Merge pull request #3330 from NoelDeMartin/MOBILE-4038

MOBILE-4038 timeline: Refactor using OnPush

local-moodleappbehat/tests/behat/behat_app.php

@@ -538,7 +538,7 @@ class behat_app extends behat_app_helper {
      * Note it is difficult to use the standard 'click on' or 'press' steps because those do not
      * distinguish visible items and the app always has many non-visible items in the DOM.
      *
-     * @Then /^I press (".+") in the app$/
+     * @When /^I press (".+") in the app$/
      * @param string $locator Element locator
      * @throws DriverException If the press doesn't work
      */
@@ -558,6 +558,26 @@ class behat_app extends behat_app_helper {
         $this->wait_for_pending_js();
     }
 
+    /**
+     * Performs a pull to refresh gesture.
+     *
+     * @When /^I pull to refresh in the app$/
+     * @throws DriverException If the gesture is not available
+     */
+    public function i_pull_to_refresh_in_the_app() {
+        $this->spin(function() {
+            $result = $this->js('await window.behat.pullToRefresh();');
+
+            if ($result !== 'OK') {
+                throw new DriverException('Error pulling to refresh - ' . $result);
+            }
+
+            return true;
+        });
+
+        $this->wait_for_pending_js();
+    }
+
     /**
      * Select an item from a list of options, such as a radio button.
      *

src/addons/block/myoverview/components/myoverview/myoverview.ts

@@ -26,7 +26,7 @@ import { CoreUtils } from '@services/utils/utils';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
 import { AddonCourseCompletion } from '@addons/coursecompletion/services/coursecompletion';
-import { IonSearchbar } from '@ionic/angular';
+import { IonRefresher, IonSearchbar } from '@ionic/angular';
 import { CoreNavigator } from '@services/navigator';
 
 const FILTER_PRIORITY: AddonBlockMyOverviewTimeFilters[] =
@@ -86,6 +86,7 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
     protected currentSite!: CoreSite;
     protected allCourses: CoreEnrolledCourseDataWithOptions[] = [];
     protected prefetchIconsInitialized = false;
+    protected isDirty = false;
     protected isDestroyed = false;
     protected coursesObserver?: CoreEventObserver;
     protected updateSiteObserver?: CoreEventObserver;
@@ -158,10 +159,27 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
         });
     }
 
+    /**
+     * Refresh the data.
+     *
+     * @param refresher Refresher.
+     * @param done Function to call when done.
+     * @return Promise resolved when done.
+     */
+    async doRefresh(refresher?: IonRefresher, done?: () => void): Promise<void> {
+        if (this.loaded) {
+            return this.refreshContent().finally(() => {
+                refresher?.complete();
+                done && done();
+            });
+        }
+    }
+
     /**
      * @inheritdoc
      */
     async invalidateContent(): Promise<void> {
+        this.isDirty = true;
         const courseIds = this.allCourses.map((course) => course.id);
 
         await this.invalidateCourses(courseIds);
@@ -207,7 +225,7 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
     /**
      * @inheritdoc
      */
-    protected async fetchContent(refresh?: boolean): Promise<void> {
+    protected async fetchContent(): Promise<void> {
         const config = this.block.configsRecord;
 
         const showCategories = config?.displaycategories?.value == '1';
@@ -218,15 +236,15 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
             undefined,
             showCategories,
             {
-                readingStrategy: refresh ? CoreSitesReadingStrategy.PREFER_NETWORK : undefined,
+                readingStrategy: this.isDirty ? CoreSitesReadingStrategy.PREFER_NETWORK : undefined,
             },
         );
 
         this.hasCourses = this.allCourses.length > 0;
 
         try {
-            this.gradePeriodAfter = parseInt(await this.currentSite.getConfig('coursegraceperiodafter', refresh), 10);
+            this.gradePeriodAfter = parseInt(await this.currentSite.getConfig('coursegraceperiodafter', this.isDirty), 10);
-            this.gradePeriodBefore = parseInt(await this.currentSite.getConfig('coursegraceperiodbefore', refresh), 10);
+            this.gradePeriodBefore = parseInt(await this.currentSite.getConfig('coursegraceperiodbefore', this.isDirty), 10);
         } catch {
             this.gradePeriodAfter = 0;
             this.gradePeriodBefore = 0;
@@ -235,6 +253,8 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
         this.loadSort();
         this.loadLayouts(config?.layouts?.value.split(','));
         this.loadFilters(config);
+
+        this.isDirty = false;
     }
 
     /**

src/addons/block/recentlyaccesseditems/services/recentlyaccesseditems.ts

@@ -54,15 +54,15 @@ export class AddonBlockRecentlyAccessedItemsProvider {
 
         const cmIds: number[] = [];
 
-        items = await Promise.all(items.map(async (item) => {
+        items = items.map((item) => {
             const modicon = item.icon && CoreDomUtils.getHTMLElementAttribute(item.icon, 'src');
 
-            item.iconUrl = await CoreCourse.getModuleIconSrc(item.modname, modicon || undefined);
+            item.iconUrl = CoreCourse.getModuleIconSrc(item.modname, modicon || undefined);
             item.iconTitle = item.icon && CoreDomUtils.getHTMLElementAttribute(item.icon, 'title');
             cmIds.push(item.cmid);
 
             return item;
-        }));
+        });
 
         // Check if the viewed module should be updated for each activity.
         const lastViewedMap = await CoreCourse.getCertainModulesViewed(cmIds, site.getId());

src/addons/block/timeline/classes/section.ts

@@ -0,0 +1,200 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { AddonBlockTimeline } from '@addons/block/timeline/services/timeline';
+import { AddonCalendarEvent } from '@addons/calendar/services/calendar';
+import { CoreCourse } from '@features/course/services/course';
+import { CoreEnrolledCourseDataWithOptions } from '@features/courses/services/courses-helper';
+import { CoreTimeUtils } from '@services/utils/time';
+import { BehaviorSubject } from 'rxjs';
+
+/**
+ * A collection of events displayed in the timeline block.
+ */
+export class AddonBlockTimelineSection {
+
+    search: string | null;
+    overdue: boolean;
+    dateRange: AddonBlockTimelineDateRange;
+    course?: CoreEnrolledCourseDataWithOptions;
+    data$: BehaviorSubject<{
+        events: AddonBlockTimelineDayEvents[];
+        lastEventId?: number;
+        canLoadMore: boolean;
+        loadingMore: boolean;
+    }>;
+
+    constructor(
+        search: string | null,
+        overdue: boolean,
+        dateRange: AddonBlockTimelineDateRange,
+        course?: CoreEnrolledCourseDataWithOptions,
+        courseEvents?: AddonCalendarEvent[],
+        canLoadMore?: number,
+    ) {
+        this.search = search;
+        this.overdue = overdue;
+        this.dateRange = dateRange;
+        this.course = course;
+        this.data$ = new BehaviorSubject({
+            events: courseEvents ? this.reduceEvents(courseEvents, overdue, dateRange) : [],
+            lastEventId: canLoadMore,
+            canLoadMore: typeof canLoadMore !== 'undefined',
+            loadingMore: false,
+        });
+    }
+
+    /**
+     * Load more events.
+     */
+    async loadMore(): Promise<void> {
+        this.data$.next({
+            ...this.data$.value,
+            loadingMore: true,
+        });
+
+        const lastEventId = this.data$.value.lastEventId;
+        const { events, canLoadMore } = this.course
+            ? await AddonBlockTimeline.getActionEventsByCourse(this.course.id, lastEventId, this.search ?? '')
+            : await AddonBlockTimeline.getActionEventsByTimesort(lastEventId, this.search ?? '');
+
+        this.data$.next({
+            events: this.data$.value.events.concat(this.reduceEvents(events, this.overdue, this.dateRange)),
+            lastEventId: canLoadMore,
+            canLoadMore: canLoadMore !== undefined,
+            loadingMore: false,
+        });
+    }
+
+    /**
+     * Reduce a list of events to a list of events classified by day.
+     *
+     * @param events Events.
+     * @param overdue Whether to filter overdue events or not.
+     * @param dateRange Date range to filter events.
+     * @returns Day events list.
+     */
+    private reduceEvents(
+        events: AddonCalendarEvent[],
+        overdue: boolean,
+        { from, to }: AddonBlockTimelineDateRange,
+    ): AddonBlockTimelineDayEvents[] {
+        const filterDates: AddonBlockTimelineFilterDates = {
+            now: CoreTimeUtils.timestamp(),
+            midnight: AddonBlockTimeline.getDayStart(),
+            start: AddonBlockTimeline.getDayStart(from),
+            end: typeof to === 'number' ? AddonBlockTimeline.getDayStart(to) : undefined,
+        };
+        const eventsByDates = events
+            .filter((event) => this.filterEvent(event, overdue, filterDates))
+            .map((event) => this.mapToTimelineEvent(event, filterDates.now))
+            .reduce((filteredEvents, event) => {
+                const dayTimestamp = CoreTimeUtils.getMidnightForTimestamp(event.timesort);
+
+                filteredEvents[dayTimestamp] = filteredEvents[dayTimestamp] ?? {
+                    dayTimestamp,
+                    events: [],
+                } as AddonBlockTimelineDayEvents;
+
+                filteredEvents[dayTimestamp].events.push(event);
+
+                return filteredEvents;
+            }, {} as Record<string, AddonBlockTimelineDayEvents>);
+
+        return Object.values(eventsByDates);
+    }
+
+    /**
+     * Check whether to include an event in the section or not.
+     *
+     * @param event Event.
+     * @param overdue Whether to filter overdue events or not.
+     * @param filterDates Filter dates.
+     * @returns Whetehr to include the event or not.
+     */
+    private filterEvent(
+        event: AddonCalendarEvent,
+        overdue: boolean,
+        { now, midnight, start, end }: AddonBlockTimelineFilterDates,
+    ): boolean {
+        if (start > event.timesort || (end && event.timesort >= end)) {
+            return false;
+        }
+
+        // Already calculated on 4.0 onwards but this will be live.
+        if (event.eventtype === 'open' || event.eventtype === 'opensubmission') {
+            const dayTimestamp = CoreTimeUtils.getMidnightForTimestamp(event.timesort);
+
+            return dayTimestamp > midnight;
+        }
+
+        // When filtering by overdue, we fetch all events due today, in case any have elapsed already and are overdue.
+        // This means if filtering by overdue, some events fetched might not be required (eg if due later today).
+        return !overdue || event.timesort < now;
+    }
+
+    /**
+     * Map a calendar event to a timeline event.
+     *
+     * @param event Calendar event.
+     * @param now Current time.
+     * @returns Timeline event.
+     */
+    private mapToTimelineEvent(event: AddonCalendarEvent, now: number): AddonBlockTimelineEvent {
+        const modulename = event.modulename || event.icon.component;
+
+        return {
+            ...event,
+            modulename,
+            overdue: event.timesort < now,
+            iconUrl: CoreCourse.getModuleIconSrc(event.icon.component),
+            iconTitle: CoreCourse.translateModuleName(modulename),
+        } as AddonBlockTimelineEvent;
+    }
+
+}
+
+/**
+ * Timestamps to use during event filtering.
+ */
+export type AddonBlockTimelineFilterDates = {
+    now: number;
+    midnight: number;
+    start: number;
+    end?: number;
+};
+
+/**
+ * Date range.
+ */
+export type AddonBlockTimelineDateRange = {
+    from: number;
+    to?: number;
+};
+
+/**
+ * Timeline event.
+ */
+export type AddonBlockTimelineEvent = AddonCalendarEvent & {
+    iconUrl?: string;
+    iconTitle?: string;
+};
+
+/**
+ * List of events in a day.
+ */
+export type AddonBlockTimelineDayEvents = {
+    events: AddonBlockTimelineEvent[];
+    dayTimestamp: number;
+};

src/addons/block/timeline/components/events/addon-block-timeline-events.html

@@ -7,7 +7,7 @@
         </h3>
     </ion-label>
 </ion-item>
-<ion-item-group *ngFor="let dayEvents of filteredEvents">
+<ion-item-group *ngFor="let dayEvents of events">
     <ion-item>
         <ion-label>
             <h4 [class.core-bold]="!course">{{ dayEvents.dayTimestamp * 1000 | coreFormatDate:"strftimedaydate" }}</h4>
@@ -30,15 +30,15 @@
                                 <p class="item-heading addon-block-timeline-activity-name-with-status">
                                     <span>
                                         <core-format-text [text]="event.activityname || event.name" contextLevel="module"
-                                            [contextInstanceId]="event.id" [courseId]="event.course && event.course.id">
+                                            [contextInstanceId]="event.id" [courseId]="event.course?.id">
                                         </core-format-text>
                                     </span>
                                     <ion-badge *ngIf="event.overdue" color="danger">{{ 'addon.block_timeline.overdue' | translate }}
                                     </ion-badge>
                                 </p>
-                                <p *ngIf="(showCourse && event.course) || event.activitystr"
+                                <p *ngIf="(showInlineCourse && event.course) || event.activitystr"
                                     class="addon-block-timeline-activity-course-activity">
-                                    <span *ngIf="showCourse && event.course">
+                                    <span *ngIf="showInlineCourse && event.course">
                                         <core-format-text [text]="event.course.fullnamedisplay" contextLevel="course"
                                             [contextInstanceId]="event.course.id">
                                         </core-format-text>
@@ -52,7 +52,7 @@
                             </ion-col>
                         </ion-row>
                     </ion-col>
-                    <ion-col class="addon-block-timeline-activity-action ion-no-padding" *ngIf="event.action?.actionable">
+                    <ion-col class="addon-block-timeline-activity-action ion-no-padding" *ngIf="event.action && event.action.actionable">
                         <ion-button fill="outline" (click)="action($event, event.action.url)" [title]="event.action.name" class="chip">
                             {{event.action.name}}
                             <ion-badge slot="end" class="ion-margin-start" *ngIf="event.action.showitemcount">
@@ -66,18 +66,10 @@
     </ng-container>
 </ion-item-group>
 
-<div class="ion-padding ion-text-center" *ngIf="canLoadMore && !empty">
+<div class="ion-padding ion-text-center" *ngIf="canLoadMore">
     <!-- Button and spinner to show more attempts. -->
-    <ion-button expand="block" (click)="loadMoreEvents()" fill="outline" *ngIf="!loadingMore">
+    <ion-button expand="block" (click)="loadMore.emit()" fill="outline" *ngIf="!loadingMore">
         {{ 'core.loadmore' | translate }}
     </ion-button>
     <ion-spinner *ngIf="loadingMore" [attr.aria-label]="'core.loading' | translate"></ion-spinner>
 </div>
-
-<ion-item *ngIf="empty && course">
-    <ion-label class="ion-text-wrap">
-        <p>{{'addon.block_timeline.noevents' | translate}}</p>
-    </ion-label>
-</ion-item>
-<core-empty-box *ngIf="empty && !course" image="assets/img/icons/activities.svg" [message]="'addon.block_timeline.noevents' | translate">
-</core-empty-box>

src/addons/block/timeline/components/events/events.ts

@@ -12,16 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { Component, Input, Output, OnChanges, EventEmitter, SimpleChange } from '@angular/core';
+import { Component, Input, Output, EventEmitter } from '@angular/core';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
-import { CoreTimeUtils } from '@services/utils/time';
-import { CoreCourse } from '@features/course/services/course';
 import { CoreContentLinksHelper } from '@features/contentlinks/services/contentlinks-helper';
-import { AddonCalendarEvent } from '@addons/calendar/services/calendar';
 import { CoreEnrolledCourseDataWithOptions } from '@features/courses/services/courses-helper';
-import { AddonBlockTimeline } from '../../services/timeline';
+import { AddonBlockTimelineDayEvents } from '@addons/block/timeline/classes/section';
 
 /**
  * Directive to render a list of events in course overview.
@@ -31,106 +28,15 @@ import { AddonBlockTimeline } from '../../services/timeline';
     templateUrl: 'addon-block-timeline-events.html',
     styleUrls: ['events.scss'],
 })
-export class AddonBlockTimelineEventsComponent implements OnChanges {
+export class AddonBlockTimelineEventsComponent {
 
-    @Input() events: AddonBlockTimelineEvent[] = []; // The events to render.
+    @Input() events: AddonBlockTimelineDayEvents[] = []; // The events to render.
     @Input() course?: CoreEnrolledCourseDataWithOptions; // Whether to show the course name.
-    @Input() from = 0; // Number of days from today to offset the events.
+    @Input() showInlineCourse = true; // Whether to show the course name within event items.
-    @Input() to?: number; // Number of days from today to limit the events to. If not defined, no limit.
-    @Input() overdue = false; // If filtering overdue events or not.
     @Input() canLoadMore = false; // Whether more events can be loaded.
+    @Input() loadingMore = false; // Whether loading is ongoing.
     @Output() loadMore = new EventEmitter(); // Notify that more events should be loaded.
 
-    showCourse = false; // Whether to show the course name.
-    empty = true;
-    loadingMore = false;
-    filteredEvents: AddonBlockTimelineEventFilteredEvent[] = [];
-
-    /**
-     * @inheritdoc
-     */
-    async ngOnChanges(changes: {[name: string]: SimpleChange}): Promise<void> {
-        this.showCourse = !this.course;
-
-        if (changes.events || changes.from || changes.to) {
-            if (this.events) {
-                const filteredEvents = await this.filterEventsByTime();
-                this.empty = !filteredEvents || filteredEvents.length <= 0;
-
-                const eventsByDay: Record<number, AddonBlockTimelineEvent[]> = {};
-                filteredEvents.forEach((event) => {
-                    const dayTimestamp = CoreTimeUtils.getMidnightForTimestamp(event.timesort);
-
-                    if (eventsByDay[dayTimestamp]) {
-                        eventsByDay[dayTimestamp].push(event);
-                    } else {
-                        eventsByDay[dayTimestamp] = [event];
-                    }
-                });
-
-                this.filteredEvents =  Object.keys(eventsByDay).map((key) => {
-                    const dayTimestamp = parseInt(key);
-
-                    return {
-                        dayTimestamp,
-                        events: eventsByDay[dayTimestamp],
-                    };
-                });
-                this.loadingMore = false;
-            } else {
-                this.empty = true;
-            }
-        }
-    }
-
-    /**
-     * Filter the events by time.
-     *
-     * @return Filtered events.
-     */
-    protected async filterEventsByTime(): Promise<AddonBlockTimelineEvent[]> {
-        const start = AddonBlockTimeline.getDayStart(this.from);
-        const end = this.to !== undefined
-            ? AddonBlockTimeline.getDayStart(this.to)
-            : undefined;
-
-        const now = CoreTimeUtils.timestamp();
-        const midnight = AddonBlockTimeline.getDayStart();
-
-        return await Promise.all(this.events.filter((event) => {
-            if (start > event.timesort || (end && event.timesort >= end)) {
-                return false;
-            }
-
-            // Already calculated on 4.0 onwards but this will be live.
-            event.overdue = event.timesort < now;
-
-            if (event.eventtype === 'open' || event.eventtype === 'opensubmission') {
-                const dayTimestamp = CoreTimeUtils.getMidnightForTimestamp(event.timesort);
-
-                return dayTimestamp > midnight;
-            }
-
-            // When filtering by overdue, we fetch all events due today, in case any have elapsed already and are overdue.
-            // This means if filtering by overdue, some events fetched might not be required (eg if due later today).
-            return (!this.overdue || event.overdue);
-        }).map(async (event) => {
-            event.iconUrl = await CoreCourse.getModuleIconSrc(event.icon.component);
-            event.modulename = event.modulename || event.icon.component;
-            event.iconTitle = CoreCourse.translateModuleName(event.modulename);
-
-            return event;
-        }));
-    }
-
-    /**
-     * Load more events clicked.
-     */
-    loadMoreEvents(): void {
-        this.loadingMore = true;
-        this.loadMore.emit();
-    }
-
     /**
      * Action clicked.
      *
@@ -157,14 +63,3 @@ export class AddonBlockTimelineEventsComponent implements OnChanges {
     }
 
 }
-
-type AddonBlockTimelineEvent = Omit<AddonCalendarEvent, 'eventtype'> & {
-    eventtype: string;
-    iconUrl?: string;
-    iconTitle?: string;
-};
-
-type AddonBlockTimelineEventFilteredEvent = {
-    events: AddonBlockTimelineEvent[];
-    dayTimestamp: number;
-};

src/addons/block/timeline/components/timeline/addon-block-timeline.html

@@ -4,70 +4,51 @@
     </ion-label>
 </ion-item-divider>
 <core-loading [hideUntil]="loaded">
-    <ion-row class="ion-hide-md-up addon-block-timeline-filter" *ngIf="searchEnabled">
+    <ion-row class="ion-hide-md-up addon-block-timeline-filter" *ngIf="(search$ | async) !== null">
         <ion-col>
             <!-- Filter courses. -->
-            <core-search-box (onSubmit)="searchTextChanged($event)" (onClear)="searchTextChanged()"
+            <core-search-box (onSubmit)="searchChanged($event)" (onClear)="searchChanged('')"
-                [placeholder]="'addon.block_timeline.searchevents' | translate" autocorrect="off" spellcheck="false" lengthCheck="2"
+                [placeholder]="'addon.block_timeline.searchevents' | translate" autocorrect="off" spellcheck="false" [lengthCheck]="2"
                 searchArea="AddonBlockTimeline"></core-search-box>
         </ion-col>
     </ion-row>
     <ion-row class="ion-justify-content-between ion-align-items-center addon-block-timeline-filter">
         <ion-col size="auto">
-            <core-combobox [selection]="filter" (onChange)="switchFilter($event)">
+            <core-combobox [formControl]="filter" (onChange)="filterChanged($event)">
-                <ion-select-option class="ion-text-wrap" value="all">
+                <ion-select-option *ngFor="let option of statusFilterOptions; last as last"
-                    {{ 'core.all' | translate }}
+                    [attr.class]="'ion-text-wrap' + last ? ' core-select-option-border-bottom' : ''" [value]="option.value">
-                </ion-select-option>
+                    {{ option.name | translate }}
-                <ion-select-option class="ion-text-wrap core-select-option-border-bottom" value="overdue">
-                    {{ 'addon.block_timeline.overdue' | translate }}
                 </ion-select-option>
                 <ion-select-option class="ion-text-wrap core-select-option-title" disabled value="disabled">
-                    {{ 'addon.block_timeline.duedate' | translate }}
+                    {{ ' addon.block_timeline.duedate' | translate }}
                 </ion-select-option>
-                <ion-select-option class="ion-text-wrap" value="next7days">
+                <ion-select-option *ngFor="let option of dateFilterOptions" class="ion-text-wrap" [value]="option.value">
-                    {{ 'addon.block_timeline.next7days' | translate }}
+                    {{ option.name | translate }}
-                </ion-select-option>
-                <ion-select-option class="ion-text-wrap" value="next30days">
-                    {{ 'addon.block_timeline.next30days' | translate }}
-                </ion-select-option>
-                <ion-select-option class="ion-text-wrap" value="next3months">
-                    {{ 'addon.block_timeline.next3months' | translate }}
-                </ion-select-option>
-                <ion-select-option class="ion-text-wrap" value="next6months">
-                    {{ 'addon.block_timeline.next6months' | translate }}
                 </ion-select-option>
             </core-combobox>
         </ion-col>
-        <ion-col class="ion-hide-md-down" *ngIf="searchEnabled">
+        <ion-col class="ion-hide-md-down" *ngIf="(search$ | async) !== null">
             <!-- Filter courses. -->
-            <core-search-box (onSubmit)="searchTextChanged($event)" (onClear)="searchTextChanged()"
+            <core-search-box (onSubmit)="searchChanged($event)" (onClear)="searchChanged('')"
-                [placeholder]="'addon.block_timeline.searchevents' | translate" autocorrect="off" spellcheck="false" lengthCheck="2"
+                [placeholder]="'addon.block_timeline.searchevents' | translate" autocorrect="off" spellcheck="false" [lengthCheck]="2"
                 searchArea="AddonBlockTimeline"></core-search-box>
         </ion-col>
         <ion-col size="auto">
-            <core-combobox [label]="'core.sortby' | translate" [selection]="sort" (onChange)="switchSort($event)"
+            <core-combobox [label]="'core.sortby' | translate" [formControl]="sort" (onChange)="sortChanged($event)"
                 icon="fas-sort-amount-down-alt">
-                <ion-select-option class="ion-text-wrap" value="sortbydates">
+                <ion-select-option *ngFor="let option of sortOptions" class="ion-text-wrap" [value]="option.value">
-                    {{'addon.block_timeline.sortbydates' | translate}}
+                    {{ option.name | translate }}
-                </ion-select-option>
-                <ion-select-option class="ion-text-wrap" value="sortbycourses">
-                    {{'addon.block_timeline.sortbycourses' | translate}}
                 </ion-select-option>
             </core-combobox>
         </ion-col>
     </ion-row>
-
+    <ng-container *ngIf="sections$ | async as sections">
-
+        <ng-container *ngFor="let section of sections">
-    <core-loading [hideUntil]="timeline.loaded" [hidden]="sort != 'sortbydates'">
+            <addon-block-timeline-events *ngIf="section.data$ | async as data" [events]="data.events"
-        <addon-block-timeline-events [events]="timeline.events" [canLoadMore]="timeline.canLoadMore" (loadMore)="loadMore()"
+                [showInlineCourse]="(sort$ | async) === AddonBlockTimelineSort.ByDates" [canLoadMore]="data.canLoadMore"
-            [from]="dataFrom" [to]="dataTo" [overdue]="overdue"></addon-block-timeline-events>
+                [loadingMore]="data.loadingMore" (loadMore)="section.loadMore()" [course]="section.course"> </addon-block-timeline-events>
-    </core-loading>
-    <core-loading [hideUntil]="timelineCourses.loaded" [hidden]="sort != 'sortbycourses'">
-        <ng-container *ngFor="let course of timelineCourses.courses">
-            <addon-block-timeline-events [events]="course.events" [canLoadMore]="course.canLoadMore" (loadMore)="loadMore(course)"
-                [course]="course" [from]="dataFrom" [to]="dataTo" [overdue]="overdue"></addon-block-timeline-events>
         </ng-container>
-        <core-empty-box *ngIf="timelineCourses.courses.length == 0" image="assets/img/icons/courses.svg"
+        <core-empty-box *ngIf="sections && sections.length === 0" image="assets/img/icons/courses.svg"
             [message]="'addon.block_timeline.noevents' | translate"></core-empty-box>
-    </core-loading>
+    </ng-container>
 </core-loading>

src/addons/block/timeline/components/timeline/timeline.ts

@@ -12,18 +12,21 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { Component, OnInit } from '@angular/core';
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
 import { CoreSites } from '@services/sites';
-import { CoreBlockBaseComponent } from '@features/block/classes/base-block-component';
+import { ICoreBlockComponent } from '@features/block/classes/base-block-component';
 import { AddonBlockTimeline } from '../../services/timeline';
-import { AddonCalendarEvent } from '@addons/calendar/services/calendar';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreCoursesHelper, CoreEnrolledCourseDataWithOptions } from '@features/courses/services/courses-helper';
-import { CoreSite } from '@classes/site';
 import { CoreCourses } from '@features/courses/services/courses';
 import { CoreCourseOptionsDelegate } from '@features/course/services/course-options-delegate';
-import { CoreNavigator } from '@services/navigator';
+import { BehaviorSubject, combineLatest, Observable, of, Subject } from 'rxjs';
+import { catchError, distinctUntilChanged, map, share, tap } from 'rxjs/operators';
+import { AddonBlockTimelineDateRange, AddonBlockTimelineSection } from '@addons/block/timeline/classes/section';
+import { FormControl } from '@angular/forms';
+import { formControlValue, resolved } from '@/core/utils/rxjs';
+import { CoreLogger } from '@singletons/logger';
 
 /**
  * Component to render a timeline block.
@@ -32,251 +35,286 @@ import { CoreNavigator } from '@services/navigator';
     selector: 'addon-block-timeline',
     templateUrl: 'addon-block-timeline.html',
     styleUrls: ['timeline.scss'],
+    changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class AddonBlockTimelineComponent extends CoreBlockBaseComponent implements OnInit {
+export class AddonBlockTimelineComponent implements OnInit, ICoreBlockComponent {
 
-    sort = 'sortbydates';
+    sort = new FormControl();
-    filter = 'next30days';
+    sort$!: Observable<AddonBlockTimelineSort>;
-    currentSite!: CoreSite;
+    sortOptions!: AddonBlockTimelineOption<AddonBlockTimelineSort>[];
-    timeline: {
+    filter = new FormControl();
-        events: AddonCalendarEvent[];
+    filter$!: Observable<AddonBlockTimelineFilter>;
-        loaded: boolean;
+    statusFilterOptions!: AddonBlockTimelineOption<AddonBlockTimelineFilter>[];
-        canLoadMore?: number;
+    dateFilterOptions!: AddonBlockTimelineOption<AddonBlockTimelineFilter>[];
-    } = {
+    search$: Subject<string | null>;
-        events: <AddonCalendarEvent[]> [],
+    sections$!: Observable<AddonBlockTimelineSection[]>;
-        loaded: false,
+    loaded = false;
-    };
-
-    timelineCourses: {
-        courses: AddonBlockTimelineCourse[];
-        loaded: boolean;
-        canLoadMore?: number;
-    } = {
-        courses: [],
-        loaded: false,
-    };
-
-    dataFrom?: number;
-    dataTo?: number;
-    overdue = false;
-
-    searchEnabled = false;
-    searchText = '';
 
+    protected logger: CoreLogger;
     protected courseIdsToInvalidate: number[] = [];
     protected fetchContentDefaultError = 'Error getting timeline data.';
-    protected gradePeriodAfter = 0;
-    protected gradePeriodBefore = 0;
 
     constructor() {
-        super('AddonBlockTimelineComponent');
+        this.logger = CoreLogger.getInstance('AddonBlockTimelineComponent');
+        this.search$ = new BehaviorSubject(null);
+        this.initializeSort();
+        this.initializeFilter();
+        this.initializeSections();
+    }
+
+    get AddonBlockTimelineSort(): typeof AddonBlockTimelineSort {
+        return AddonBlockTimelineSort;
     }
 
     /**
      * @inheritdoc
      */
     async ngOnInit(): Promise<void> {
-        try {
+        const currentSite = CoreSites.getRequiredCurrentSite();
-            this.currentSite = CoreSites.getRequiredCurrentSite();
+        const [sort, filter, search] = await Promise.all([
-        } catch (error) {
+            currentSite.getLocalSiteConfig('AddonBlockTimelineSort', AddonBlockTimelineSort.ByDates),
-            CoreDomUtils.showErrorModal(error);
+            currentSite.getLocalSiteConfig('AddonBlockTimelineFilter', AddonBlockTimelineFilter.Next30Days),
+            currentSite.isVersionGreaterEqualThan('4.0') ? '' : null,
+        ]);
 
-            CoreNavigator.back();
+        this.sort.setValue(sort);
-
+        this.filter.setValue(filter);
-            return;
+        this.search$.next(search);
-        }
-
-        this.filter = await this.currentSite.getLocalSiteConfig('AddonBlockTimelineFilter', this.filter);
-        this.switchFilter(this.filter);
-
-        this.sort = await this.currentSite.getLocalSiteConfig('AddonBlockTimelineSort', this.sort);
-
-        this.searchEnabled = this.currentSite.isVersionGreaterEqualThan('4.0');
-
-        super.ngOnInit();
     }
 
     /**
-     * Perform the invalidate content function.
+     * Sort changed.
      *
-     * @return Resolved when done.
+     * @param sort New sort.
      */
-    invalidateContent(): Promise<void> {
+    sortChanged(sort: AddonBlockTimelineSort): void {
-        const promises: Promise<void>[] = [];
+        CoreSites.getRequiredCurrentSite().setLocalSiteConfig('AddonBlockTimelineSort', sort);
-
-        promises.push(AddonBlockTimeline.invalidateActionEventsByTimesort());
-        promises.push(AddonBlockTimeline.invalidateActionEventsByCourses());
-        promises.push(CoreCourses.invalidateUserCourses());
-        promises.push(CoreCourseOptionsDelegate.clearAndInvalidateCoursesOptions());
-        if (this.courseIdsToInvalidate.length > 0) {
-            promises.push(CoreCourses.invalidateCoursesByField('ids', this.courseIdsToInvalidate.join(',')));
-        }
-
-        return CoreUtils.allPromises(promises);
     }
 
     /**
-     * Fetch the courses for my overview.
+     * Filter changed.
-     *
-     * @return Promise resolved when done.
-     */
-    protected async fetchContent(): Promise<void> {
-        if (this.sort == 'sortbydates') {
-            return this.fetchMyOverviewTimeline().finally(() => {
-                this.timeline.loaded = true;
-            });
-        }
-
-        if (this.sort == 'sortbycourses') {
-            return this.fetchMyOverviewTimelineByCourses().finally(() => {
-                this.timelineCourses.loaded = true;
-            });
-        }
-    }
-
-    /**
-     * Load more events.
-     *
-     * @param course Course. If defined, it will update the course events, timeline otherwise.
-     * @return Promise resolved when done.
-     */
-    async loadMore(course?: AddonBlockTimelineCourse): Promise<void> {
-        try {
-            if (course) {
-                const courseEvents =
-                    await AddonBlockTimeline.getActionEventsByCourse(course.id, course.canLoadMore, this.searchText);
-                course.events = course.events?.concat(courseEvents.events);
-                course.canLoadMore = courseEvents.canLoadMore;
-            } else {
-                await this.fetchMyOverviewTimeline(this.timeline.canLoadMore);
-            }
-        } catch (error) {
-            CoreDomUtils.showErrorModalDefault(error, this.fetchContentDefaultError);
-        }
-    }
-
-    /**
-     * Fetch the timeline.
-     *
-     * @param afterEventId The last event id.
-     * @return Promise resolved when done.
-     */
-    protected async fetchMyOverviewTimeline(afterEventId?: number): Promise<void> {
-        const events = await AddonBlockTimeline.getActionEventsByTimesort(afterEventId, this.searchText);
-
-        this.timeline.events = afterEventId ? this.timeline.events.concat(events.events) : events.events;
-        this.timeline.canLoadMore = events.canLoadMore;
-    }
-
-    /**
-     * Fetch the timeline by courses.
-     *
-     * @return Promise resolved when done.
-     */
-    protected async fetchMyOverviewTimelineByCourses(): Promise<void> {
-        try {
-            this.gradePeriodAfter = parseInt(await this.currentSite.getConfig('coursegraceperiodafter'), 10);
-            this.gradePeriodBefore = parseInt(await this.currentSite.getConfig('coursegraceperiodbefore'), 10);
-        } catch {
-            this.gradePeriodAfter = 0;
-            this.gradePeriodBefore = 0;
-        }
-
-        // Do not filter courses by date because they can contain activities due.
-        this.timelineCourses.courses = await CoreCoursesHelper.getUserCoursesWithOptions();
-        this.courseIdsToInvalidate = this.timelineCourses.courses.map((course) => course.id);
-
-        // Filter only in progress courses.
-        this.timelineCourses.courses = this.timelineCourses.courses.filter((course) =>
-            !course.hidden &&
-            !CoreCoursesHelper.isPastCourse(course, this.gradePeriodAfter) &&
-            !CoreCoursesHelper.isFutureCourse(course, this.gradePeriodAfter, this.gradePeriodBefore));
-
-        if (this.timelineCourses.courses.length > 0) {
-            const courseEvents = await AddonBlockTimeline.getActionEventsByCourses(this.courseIdsToInvalidate, this.searchText);
-
-            this.timelineCourses.courses = this.timelineCourses.courses.filter((course) => {
-                if (courseEvents[course.id].events.length == 0) {
-                    return false;
-                }
-
-                course.events = courseEvents[course.id].events;
-                course.canLoadMore = courseEvents[course.id].canLoadMore;
-
-                return true;
-            });
-        }
-    }
-
-    /**
-     * Change timeline filter being viewed.
      *
      * @param filter New filter.
      */
-    switchFilter(filter: string): void {
+    filterChanged(filter: AddonBlockTimelineFilter): void {
-        this.filter = filter;
+        CoreSites.getRequiredCurrentSite().setLocalSiteConfig('AddonBlockTimelineFilter', filter);
-        this.currentSite.setLocalSiteConfig('AddonBlockTimelineFilter', this.filter);
-        this.overdue = this.filter === 'overdue';
-
-        switch (this.filter) {
-            case 'overdue':
-                this.dataFrom = -14;
-                this.dataTo = 1;
-                break;
-            case 'next7days':
-                this.dataFrom = 0;
-                this.dataTo = 7;
-                break;
-            case 'next30days':
-                this.dataFrom = 0;
-                this.dataTo = 30;
-                break;
-            case 'next3months':
-                this.dataFrom = 0;
-                this.dataTo = 90;
-                break;
-            case 'next6months':
-                this.dataFrom = 0;
-                this.dataTo = 180;
-                break;
-            default:
-            case 'all':
-                this.dataFrom = -14;
-                this.dataTo = undefined;
-                break;
-        }
-    }
-
-    /**
-     * Change timeline sort being viewed.
-     *
-     * @param sort New sorting.
-     */
-    switchSort(sort: string): void {
-        this.sort = sort;
-        this.currentSite.setLocalSiteConfig('AddonBlockTimelineSort', this.sort);
-
-        if (!this.timeline.loaded && this.sort == 'sortbydates') {
-            this.fetchContent();
-        } else if (!this.timelineCourses.loaded && this.sort == 'sortbycourses') {
-            this.fetchContent();
-        }
     }
 
     /**
      * Search text changed.
      *
-     * @param searchValue Search value
+     * @param search New search.
      */
-    searchTextChanged(searchValue = ''): void {
+    searchChanged(search: string): void {
-        this.searchText = searchValue || '';
+        this.search$.next(search);
+    }
 
-        this.fetchContent();
+    /**
+     * @inheritdoc
+     */
+    async invalidateContent(): Promise<void> {
+        await CoreUtils.allPromises([
+            AddonBlockTimeline.invalidateActionEventsByTimesort(),
+            AddonBlockTimeline.invalidateActionEventsByCourses(),
+            CoreCourses.invalidateUserCourses(),
+            CoreCourseOptionsDelegate.clearAndInvalidateCoursesOptions(),
+            CoreCourses.invalidateCoursesByField('ids', this.courseIdsToInvalidate.join(',')),
+        ]);
+    }
+
+    /**
+     * Initialize sort properties.
+     */
+    protected initializeSort(): void {
+        this.sort$ = formControlValue(this.sort);
+        this.sortOptions = Object.values(AddonBlockTimelineSort).map(value => ({
+            value,
+            name: `addon.block_timeline.${value}`,
+        }));
+    }
+
+    /**
+     * Initialize filter properties.
+     */
+    protected initializeFilter(): void {
+        this.filter$ = formControlValue(this.filter);
+        this.statusFilterOptions = [
+            { value: AddonBlockTimelineFilter.All, name: 'core.all' },
+            { value: AddonBlockTimelineFilter.Overdue, name: 'addon.block_timeline.overdue' },
+        ];
+        this.dateFilterOptions = [
+            AddonBlockTimelineFilter.Next7Days,
+            AddonBlockTimelineFilter.Next30Days,
+            AddonBlockTimelineFilter.Next3Months,
+            AddonBlockTimelineFilter.Next6Months,
+        ]
+            .map(value => ({
+                value,
+                name: `addon.block_timeline.${value}`,
+            }));
+    }
+
+    /**
+     * Initialize sections properties.
+     */
+    protected initializeSections(): void {
+        const filtersRange: Record<AddonBlockTimelineFilter, AddonBlockTimelineDateRange> = {
+            all: { from: -14 },
+            overdue: { from: -14, to: 1 },
+            next7days: { from: 0, to: 7 },
+            next30days: { from: 0, to: 30 },
+            next3months: { from: 0, to: 90 },
+            next6months: { from: 0, to: 180 },
+        };
+        const sortValue = this.sort.valueChanges as Observable<AddonBlockTimelineSort>;
+        const courses = sortValue.pipe(
+            distinctUntilChanged(),
+            map(async sort => {
+                switch (sort) {
+                    case AddonBlockTimelineSort.ByDates:
+                        return [];
+                    case AddonBlockTimelineSort.ByCourses:
+                        return CoreCoursesHelper.getUserCoursesWithOptions();
+                }
+            }),
+            resolved(),
+            map(courses => {
+                this.courseIdsToInvalidate = courses.map(course => course.id);
+
+                return courses;
+            }),
+        );
+
+        this.sections$ = combineLatest([this.filter$, sortValue, this.search$, courses]).pipe(
+            map(async ([filter, sort, search, courses]) => {
+                const includeOverdue = filter === AddonBlockTimelineFilter.Overdue;
+                const dateRange = filtersRange[filter];
+
+                switch (sort) {
+                    case AddonBlockTimelineSort.ByDates:
+                        return this.getSectionsByDates(search, includeOverdue, dateRange);
+                    case AddonBlockTimelineSort.ByCourses:
+                        return this.getSectionsByCourse(search, includeOverdue, dateRange, courses);
+                }
+            }),
+            resolved(),
+            catchError(error => {
+                // An error ocurred in the function, log the error and just resolve the observable so the workflow continues.
+                this.logger.error(error);
+
+                // Error getting data, fail.
+                CoreDomUtils.showErrorModalDefault(error, this.fetchContentDefaultError, true);
+
+                return of([]);
+            }),
+            share(),
+            tap(() => (this.loaded = true)),
+        );
+    }
+
+    /**
+     * Get sections sorted by dates.
+     *
+     * @param search Search string.
+     * @param overdue Whether to filter overdue events or not.
+     * @param dateRange Date range to filter events by.
+     * @returns Sections.
+     */
+    protected async getSectionsByDates(
+        search: string | null,
+        overdue: boolean,
+        dateRange: AddonBlockTimelineDateRange,
+    ): Promise<AddonBlockTimelineSection[]> {
+        const section = new AddonBlockTimelineSection(search, overdue, dateRange);
+
+        await section.loadMore();
+
+        return section.data$.value.events.length > 0 ? [section] : [];
+    }
+
+    /**
+     * Get sections sorted by courses.
+     *
+     * @param search Search string.
+     * @param overdue Whether to filter overdue events or not.
+     * @param dateRange Date range to filter events by.
+     * @param courses Courses.
+     * @returns Sections.
+     */
+    protected async getSectionsByCourse(
+        search: string | null,
+        overdue: boolean,
+        dateRange: AddonBlockTimelineDateRange,
+        courses: CoreEnrolledCourseDataWithOptions[],
+    ): Promise<AddonBlockTimelineSection[]> {
+        // Do not filter courses by date because they can contain activities due.
+        const courseIds = courses.map(course => course.id);
+        const gracePeriod = await this.getCoursesGracePeriod();
+        const courseEvents = await AddonBlockTimeline.getActionEventsByCourses(courseIds, search ?? '');
+
+        return courses
+            .filter(
+                course =>
+                    !course.hidden &&
+                    !CoreCoursesHelper.isPastCourse(course, gracePeriod.after) &&
+                    !CoreCoursesHelper.isFutureCourse(course, gracePeriod.after, gracePeriod.before) &&
+                    courseEvents[course.id].events.length > 0,
+            )
+            .map(course => new AddonBlockTimelineSection(
+                search,
+                overdue,
+                dateRange,
+                course,
+                courseEvents[course.id].events,
+                courseEvents[course.id].canLoadMore,
+            ))
+            .filter(section => section.data$.value.events.length > 0);
+    }
+
+    /**
+     * Get courses grace period for the current site.
+     *
+     * @returns Courses grace period.
+     */
+    protected async getCoursesGracePeriod(): Promise<{ before: number; after: number }> {
+        try {
+            const currentSite = CoreSites.getRequiredCurrentSite();
+
+            return {
+                before: parseInt(await currentSite.getConfig('coursegraceperiodbefore'), 10),
+                after: parseInt(await currentSite.getConfig('coursegraceperiodafter'), 10),
+            };
+        } catch {
+            return { before: 0, after: 0 };
+        }
     }
 
 }
 
-export type AddonBlockTimelineCourse = CoreEnrolledCourseDataWithOptions & {
+/**
-    events?: AddonCalendarEvent[];
+ * Sort options.
-    canLoadMore?: number;
+ */
-};
+export enum AddonBlockTimelineSort {
+    ByDates = 'sortbydates',
+    ByCourses = 'sortbycourses',
+}
+
+/**
+ * Filter options.
+ */
+export const enum AddonBlockTimelineFilter {
+    All = 'all',
+    Overdue = 'overdue',
+    Next7Days = 'next7days',
+    Next30Days = 'next30days',
+    Next3Months = 'next3months',
+    Next6Months = 'next6months',
+}
+
+/**
+ * Select option.
+ */
+export interface AddonBlockTimelineOption<Value> {
+    value: Value;
+    name: string;
+}

src/addons/block/timeline/services/timeline.ts

@@ -107,6 +107,10 @@ export class AddonBlockTimelineProvider {
         searchValue = '',
         siteId?: string,
     ): Promise<{[courseId: string]: { events: AddonCalendarEvent[]; canLoadMore?: number } }> {
+        if (courseIds.length === 0) {
+            return {};
+        }
+
         const site = await CoreSites.getSite(siteId);
 
         const time = this.getDayStart(-14); // Check two weeks ago.

src/addons/block/timeline/tests/behat/basic_usage.feature

@@ -0,0 +1,92 @@
+@app @javascript
+Feature: Timeline block.
+
+  Background:
+    Given the following "users" exist:
+      | username |
+      | student1 |
+    And the following "courses" exist:
+      | fullname | shortname |
+      | Course 1 | C1        |
+      | Course 2 | C2        |
+      | Course 3 | C3        |
+      | Course 4 | C4        |
+    And the following "course enrolments" exist:
+      | user     | course | role    |
+      | student1 | C1     | student |
+      | student1 | C2     | student |
+      | student1 | C3     | student |
+      | student1 | Acceptance test site | student |
+    And the following "activities" exist:
+      | activity | course               | idnumber  | name          | duedate        |
+      | assign   | Acceptance test site | assign00  | Assignment 00 | ##tomorrow##   |
+      | assign   | C2                   | assign01  | Assignment 01 | ##yesterday##  |
+      | assign   | C1                   | assign02  | Assignment 02 | ##tomorrow##   |
+      | assign   | C1                   | assign03  | Assignment 03 | ##tomorrow##   |
+      | assign   | C2                   | assign04  | Assignment 04 | ##+2 days##    |
+      | assign   | C1                   | assign05  | Assignment 05 | ##+5 days##    |
+      | assign   | C2                   | assign06  | Assignment 06 | ##+1 month##   |
+      | assign   | C2                   | assign07  | Assignment 07 | ##+1 month##   |
+      | assign   | C3                   | assign08  | Assignment 08 | ##+1 month##   |
+      | assign   | C2                   | assign09  | Assignment 09 | ##+1 month##   |
+      | assign   | C1                   | assign10  | Assignment 10 | ##+1 month##   |
+      | assign   | C1                   | assign11  | Assignment 11 | ##+6 months##  |
+      | assign   | C1                   | assign12  | Assignment 12 | ##+6 months##  |
+      | assign   | C1                   | assign13  | Assignment 13 | ##+6 months##  |
+      | assign   | C2                   | assign14  | Assignment 14 | ##+6 months##  |
+      | assign   | C2                   | assign15  | Assignment 15 | ##+6 months##  |
+      | assign   | C2                   | assign16  | Assignment 16 | ##+6 months##  |
+      | assign   | C3                   | assign17  | Assignment 17 | ##+6 months##  |
+      | assign   | C3                   | assign18  | Assignment 18 | ##+6 months##  |
+      | assign   | C3                   | assign19  | Assignment 19 | ##+6 months##  |
+      | assign   | C1                   | assign20  | Assignment 20 | ##+1 year##    |
+      | assign   | C1                   | assign21  | Assignment 21 | ##+1 year##    |
+      | assign   | C2                   | assign22  | Assignment 22 | ##+1 year##    |
+      | assign   | C2                   | assign23  | Assignment 23 | ##+1 year##    |
+      | assign   | C3                   | assign24  | Assignment 24 | ##+1 year##    |
+      | assign   | C3                   | assign25  | Assignment 25 | ##+1 year##    |
+
+  Scenario: See courses inside block
+    Given I entered the app as "student1"
+    Then I should find "Assignment 00" within "Timeline" "ion-card" in the app
+    And I should find "Assignment 02" within "Timeline" "ion-card" in the app
+    And I should find "Assignment 05" within "Timeline" "ion-card" in the app
+    And I should find "Course 1" within "Timeline" "ion-card" in the app
+    And I should find "Course 2" within "Timeline" "ion-card" in the app
+    But I should not find "Assignment 01" within "Timeline" "ion-card" in the app
+    And I should not find "Course 3" within "Timeline" "ion-card" in the app
+
+    When I press "Next 30 days" in the app
+    And I press "Overdue" in the app
+    Then I should find "Assignment 01" within "Timeline" "ion-card" in the app
+    And I should find "Course 2" within "Timeline" "ion-card" in the app
+    But I should not find "Assignment 00" within "Timeline" "ion-card" in the app
+    And I should not find "Assignment 02" within "Timeline" "ion-card" in the app
+    And I should not find "Course 1" within "Timeline" "ion-card" in the app
+    And I should not find "Course 3" within "Timeline" "ion-card" in the app
+
+    When I press "Overdue" in the app
+    And I press "All" in the app
+    Then I should find "Assignment 19" within "Timeline" "ion-card" in the app
+    And I should find "Course 3" within "Timeline" "ion-card" in the app
+    But I should not find "Assignment 20" within "Timeline" "ion-card" in the app
+
+    When I press "Load more" in the app
+    Then I should find "Assignment 21" within "Timeline" "ion-card" in the app
+    And I should find "Assignment 25" within "Timeline" "ion-card" in the app
+
+    When I press "All" in the app
+    And I press "Next 7 days" in the app
+    And I press "Sort by" in the app
+    And I press "Sort by courses" in the app
+    Then I should find "Course 1" "h3" within "Timeline" "ion-card" in the app
+    And I should find "Course 2" "h3" within "Timeline" "ion-card" in the app
+    And I should find "Assignment 02" within "Timeline" "ion-card" in the app
+    And I should find "Assignment 04" within "Timeline" "ion-card" in the app
+    But I should not find "Course 3" within "Timeline" "ion-card" in the app
+
+    When the following "activities" exist:
+      | activity | course | idnumber  | name           | duedate      |
+      | assign   | C1     | newassign | New Assignment | ##tomorrow## |
+    And I pull to refresh in the app
+    Then I should find "New Assignment" in the app

src/addons/calendar/components/calendar/calendar.ts

@@ -529,9 +529,7 @@ class AddonCalendarMonthSlidesItemsManagerSource extends CoreSwipeSlidesDynamicI
                 day.eventsFormated = day.eventsFormated || [];
                 day.filteredEvents = day.filteredEvents || [];
                 // Format online events.
-                const onlineEventsFormatted = await Promise.all(
+                const onlineEventsFormatted = day.events.map((event) => AddonCalendarHelper.formatEventData(event));
-                    day.events.map(async (event) => AddonCalendarHelper.formatEventData(event)),
-                );
 
                 day.eventsFormated = day.eventsFormated.concat(onlineEventsFormatted);
 

src/addons/calendar/components/upcoming-events/upcoming-events.ts

@@ -165,7 +165,7 @@ export class AddonCalendarUpcomingEventsComponent implements OnInit, DoCheck, On
     async fetchEvents(): Promise<void> {
         // Don't pass courseId and categoryId, we'll filter them locally.
         const result = await AddonCalendar.getUpcomingEvents();
-        this.onlineEvents = await Promise.all(result.events.map((event) => AddonCalendarHelper.formatEventData(event)));
+        this.onlineEvents = result.events.map((event) => AddonCalendarHelper.formatEventData(event));
         // Merge the online events with offline data.
         this.events = this.mergeEvents();
         // Filter events by course.

src/addons/calendar/pages/day/day.page.ts

@@ -669,9 +669,7 @@ class AddonCalendarDaySlidesItemsManagerSource extends CoreSwipeSlidesDynamicIte
         try {
             // Don't pass courseId and categoryId, we'll filter them locally.
             result = await AddonCalendar.getDayEvents(day.moment.year(), day.moment.month() + 1, day.moment.date());
-            preloadedDay.onlineEvents = await Promise.all(
+            preloadedDay.onlineEvents = result.events.map((event) => AddonCalendarHelper.formatEventData(event));
-                result.events.map((event) => AddonCalendarHelper.formatEventData(event)),
-            );
         } catch (error) {
             // Allow navigating to non-cached days in offline (behave as if using emergency cache).
             if (CoreNetwork.isOnline()) {

src/addons/calendar/pages/event/event.page.ts

@@ -198,7 +198,7 @@ export class AddonCalendarEventPage implements OnInit, OnDestroy {
             // Get the event data.
             if (this.eventId >= 0) {
                 const event = await AddonCalendar.getEventById(this.eventId);
-                this.event = await AddonCalendarHelper.formatEventData(event);
+                this.event = AddonCalendarHelper.formatEventData(event);
             }
 
             try {

src/addons/calendar/services/calendar-helper.ts

@@ -64,7 +64,7 @@ export class AddonCalendarHelperProvider {
      * @param eventType Type of the event.
      * @return Event icon.
      */
-    getEventIcon(eventType: AddonCalendarEventType): string {
+    getEventIcon(eventType: AddonCalendarEventType | string): string {
         if (this.eventTypeIcons.length == 0) {
             CoreUtils.enumKeys(AddonCalendarEventType).forEach((name) => {
                 const value = AddonCalendarEventType[name];
@@ -164,9 +164,9 @@ export class AddonCalendarHelperProvider {
      *
      * @param event Event to format.
      */
-    async formatEventData(
+    formatEventData(
         event: AddonCalendarEvent | AddonCalendarEventBase | AddonCalendarGetEventsEvent,
-    ): Promise<AddonCalendarEventToDisplay> {
+    ): AddonCalendarEventToDisplay {
 
         const eventFormatted: AddonCalendarEventToDisplay = {
             ...event,
@@ -181,7 +181,7 @@ export class AddonCalendarHelperProvider {
         };
 
         if (event.modulename) {
-            eventFormatted.eventIcon = await CoreCourse.getModuleIconSrc(event.modulename);
+            eventFormatted.eventIcon = CoreCourse.getModuleIconSrc(event.modulename);
             eventFormatted.moduleIcon = eventFormatted.eventIcon;
             eventFormatted.iconTitle = CoreCourse.translateModuleName(event.modulename);
         }

src/addons/calendar/services/calendar.ts

@@ -796,7 +796,7 @@ export class AddonCalendarProvider {
      * @param event The event to get its type.
      * @return Event type.
      */
-    getEventType(event: { modulename?: string; eventtype: AddonCalendarEventType}): string {
+    getEventType(event: { modulename?: string; eventtype: AddonCalendarEventType | string }): string {
         if (event.modulename) {
             return 'course';
         }
@@ -1878,7 +1878,7 @@ export type AddonCalendarEventBase = {
     activityname?: string; // Activityname.
     activitystr?: string; // Activitystr.
     instance?: number; // Instance.
-    eventtype: AddonCalendarEventType; // Eventtype.
+    eventtype: AddonCalendarEventType | string; // Eventtype.
     timestart: number; // Timestart.
     timeduration: number; // Timeduration.
     timesort: number; // Timesort.
@@ -2284,7 +2284,7 @@ export type AddonCalendarEventToDisplay = Partial<AddonCalendarCalendarEvent> &
     timestart: number;
     timeduration: number;
     eventcount: number;
-    eventtype: AddonCalendarEventType;
+    eventtype: AddonCalendarEventType | string;
     courseid?: number;
     offline?: boolean;
     showDate?: boolean; // Calculated in the app. Whether date should be shown before this event.

src/addons/calendar/services/database/calendar.ts

@@ -282,7 +282,7 @@ export type AddonCalendarEventDBRecord = {
     id: number;
     name: string;
     description: string;
-    eventtype: AddonCalendarEventType;
+    eventtype: AddonCalendarEventType | string;
     timestart: number;
     timeduration: number;
     categoryid?: number;

src/addons/mod/label/services/handlers/module.ts

@@ -46,7 +46,7 @@ export class AddonModLabelModuleHandlerService extends CoreModuleHandlerBase imp
     /**
      * @inheritdoc
      */
-    async getData(module: CoreCourseModuleData): Promise<CoreCourseModuleHandlerData> {
+    getData(module: CoreCourseModuleData): CoreCourseModuleHandlerData {
         // Remove the description from the module so it isn't rendered twice.
         const title = module.description || '';
         module.description = '';

src/addons/mod/resource/services/handlers/module.ts

@@ -104,13 +104,11 @@ export class AddonModResourceModuleHandlerService extends CoreModuleHandlerBase
             // Ignore errors.
         });
 
-        this.getIconSrc(module).then((icon) => {
+        try {
-            handlerData.icon = icon;
+            handlerData.icon = this.getIconSrc(module);
-
+        } catch {
-            return;
-        }).catch(() => {
             // Ignore errors.
-        });
+        }
 
         return handlerData;
     }
@@ -227,13 +225,13 @@ export class AddonModResourceModuleHandlerService extends CoreModuleHandlerBase
     /**
      * @inheritdoc
      */
-    async getIconSrc(module?: CoreCourseModuleData): Promise<string | undefined> {
+    getIconSrc(module?: CoreCourseModuleData): string | undefined {
         if (!module) {
             return;
         }
 
         if (CoreSites.getCurrentSite()?.isVersionGreaterEqualThan('4.0')) {
-            return await CoreCourse.getModuleIconSrc(module.modname, module.modicon);
+            return CoreCourse.getModuleIconSrc(module.modname, module.modicon);
         }
         let mimetypeIcon = '';
 
@@ -251,7 +249,7 @@ export class AddonModResourceModuleHandlerService extends CoreModuleHandlerBase
             mimetypeIcon = CoreMimetypeUtils.getFileIcon(file.filename || '');
         }
 
-        return await CoreCourse.getModuleIconSrc(module.modname, module.modicon, mimetypeIcon);
+        return CoreCourse.getModuleIconSrc(module.modname, module.modicon, mimetypeIcon);
     }
 
     /**

src/addons/mod/url/services/handlers/module.ts

@@ -55,7 +55,7 @@ export class AddonModUrlModuleHandlerService extends CoreModuleHandlerBase imple
     /**
      * @inheritdoc
      */
-    async getData(module: CoreCourseModuleData): Promise<CoreCourseModuleHandlerData> {
+    getData(module: CoreCourseModuleData): CoreCourseModuleHandlerData {
 
         /**
          * Open the URL.
@@ -80,7 +80,7 @@ export class AddonModUrlModuleHandlerService extends CoreModuleHandlerBase imple
         };
 
         const handlerData: CoreCourseModuleHandlerData = {
-            icon: await CoreCourse.getModuleIconSrc(module.modname, module.modicon),
+            icon: CoreCourse.getModuleIconSrc(module.modname, module.modicon),
             title: module.name,
             class: 'addon-mod_url-handler',
             showDownloadButton: false,
@@ -109,7 +109,7 @@ export class AddonModUrlModuleHandlerService extends CoreModuleHandlerBase imple
             }],
         };
 
-        this.hideLinkButton(module).then(async (hideButton) => {
+        this.hideLinkButton(module).then((hideButton) => {
             if (!handlerData.buttons) {
                 return;
             }
@@ -120,7 +120,7 @@ export class AddonModUrlModuleHandlerService extends CoreModuleHandlerBase imple
                 const icon = AddonModUrl.guessIcon(module.contents[0].fileurl);
 
                 // Calculate the icon to use.
-                handlerData.icon = await CoreCourse.getModuleIconSrc(module.modname, module.modicon, icon);
+                handlerData.icon = CoreCourse.getModuleIconSrc(module.modname, module.modicon, icon);
             }
 
             return;

src/core/components/combobox/combobox.ts

@@ -17,6 +17,7 @@ import { Translate } from '@singletons';
 import { ModalOptions } from '@ionic/core';
 import { CoreDomUtils } from '@services/utils/dom';
 import { IonSelect } from '@ionic/angular';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
 
 /**
  * Component that show a combo select button (combobox).
@@ -40,8 +41,15 @@ import { IonSelect } from '@ionic/angular';
     selector: 'core-combobox',
     templateUrl: 'core-combobox.html',
     styleUrls: ['combobox.scss'],
+    providers: [
+        {
+            provide: NG_VALUE_ACCESSOR,
+            multi:true,
+            useExisting: CoreComboboxComponent,
+        },
+    ],
 })
-export class CoreComboboxComponent {
+export class CoreComboboxComponent implements ControlValueAccessor {
 
     @ViewChild(IonSelect) select!: IonSelect;
 
@@ -58,6 +66,49 @@ export class CoreComboboxComponent {
 
     expanded = false;
 
+    protected touched = false;
+    protected formOnChange?: (value: unknown) => void;
+    protected formOnTouched?: () => void;
+
+    /**
+     * @inheritdoc
+     */
+    writeValue(selection: string): void {
+        this.selection = selection;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    registerOnChange(onChange: (value: unknown) => void): void {
+        this.formOnChange = onChange;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    registerOnTouched(onTouched: () => void): void {
+        this.formOnTouched = onTouched;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    setDisabledState(disabled: boolean): void {
+        this.disabled = disabled;
+    }
+
+    /**
+     * Callback when the selected value changes.
+     *
+     * @param selection Selected value.
+     */
+    onValueChanged(selection: unknown): void {
+        this.touch();
+        this.onChange.emit(selection);
+        this.formOnChange?.(selection);
+    }
+
     /**
      * Shows combobox modal.
      *
@@ -65,6 +116,8 @@ export class CoreComboboxComponent {
      * @return Promise resolved when done.
      */
     async openSelect(event?: UIEvent): Promise<void> {
+        this.touch();
+
         if (this.interface == 'modal') {
             if (this.expanded || !this.modalOptions) {
                 return;
@@ -79,11 +132,23 @@ export class CoreComboboxComponent {
             this.expanded = false;
 
             if (data) {
-                this.onChange.emit(data);
+                this.onValueChanged(data);
             }
         } else if (this.select) {
             this.select.open(event);
         }
     }
 
+    /**
+     * Mark as touched.
+     */
+    protected touch(): void {
+        if (this.touched) {
+            return;
+        }
+
+        this.touched = true;
+        this.formOnTouched?.();
+    }
+
 }

src/core/components/combobox/core-combobox.html

@@ -5,7 +5,7 @@
         <div class="select-icon-inner"></div>
     </div>
 </ion-button>
-<ion-select *ngIf="interface != 'modal'" class="ion-text-start" [(ngModel)]="selection" (ngModelChange)="onChange.emit(selection)"
+<ion-select *ngIf="interface != 'modal'" class="ion-text-start" [(ngModel)]="selection" (ngModelChange)="onValueChanged(selection)"
     [interface]="interface" [attr.aria-label]="label + ': ' + selection" [disabled]="disabled" [hidden]="!!icon">
     <ng-content></ng-content>
 </ion-select>

src/core/features/block/classes/base-block-component.ts

@@ -18,7 +18,6 @@ import { CoreDomUtils } from '@services/utils/dom';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreCourseBlock } from '../../course/services/course';
-import { IonRefresher } from '@ionic/angular';
 import { Params } from '@angular/router';
 import { ContextLevel } from '@/core/constants';
 import { CoreNavigationOptions } from '@services/navigator';
@@ -29,7 +28,7 @@ import { CoreNavigationOptions } from '@services/navigator';
 @Component({
     template: '',
 })
-export abstract class CoreBlockBaseComponent implements OnInit {
+export abstract class CoreBlockBaseComponent implements OnInit, ICoreBlockComponent {
 
     @Input() title!: string; // The block title.
     @Input() block!: CoreCourseBlock; // The block to render.
@@ -65,30 +64,12 @@ export abstract class CoreBlockBaseComponent implements OnInit {
         await this.loadContent();
     }
 
-    /**
-     * Refresh the data.
-     *
-     * @param refresher Refresher.
-     * @param done Function to call when done.
-     * @param showErrors If show errors to the user of hide them.
-     * @return Promise resolved when done.
-     */
-    async doRefresh(refresher?: IonRefresher, done?: () => void, showErrors: boolean = false): Promise<void> {
-        if (this.loaded) {
-            return this.refreshContent(showErrors).finally(() => {
-                refresher?.complete();
-                done && done();
-            });
-        }
-    }
-
     /**
      * Perform the refresh content function.
      *
-     * @param showErrors Wether to show errors to the user or hide them.
      * @return Resolved when done.
      */
-    protected async refreshContent(showErrors: boolean = false): Promise<void> {
+    protected async refreshContent(): Promise<void> {
         // Wrap the call in a try/catch so the workflow isn't interrupted if an error occurs.
         try {
             await this.invalidateContent();
@@ -97,13 +78,11 @@ export abstract class CoreBlockBaseComponent implements OnInit {
             this.logger.error(ex);
         }
 
-        await this.loadContent(true, showErrors);
+        await this.loadContent();
     }
 
     /**
-     * Perform the invalidate content function.
+     * @inheritdoc
-     *
-     * @return Resolved when done.
      */
     async invalidateContent(): Promise<void> {
         return;
@@ -111,16 +90,11 @@ export abstract class CoreBlockBaseComponent implements OnInit {
 
     /**
      * Loads the component contents and shows the corresponding error.
-     *
-     * @param refresh Whether we're refreshing data.
-     * @param showErrors Wether to show errors to the user or hide them.
-     * @return Promise resolved when done.
      */
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    protected async loadContent(): Promise<void> {
-    protected async loadContent(refresh?: boolean, showErrors: boolean = false): Promise<void> {
         // Wrap the call in a try/catch so the workflow isn't interrupted if an error occurs.
         try {
-            await this.fetchContent(refresh);
+            await this.fetchContent();
         } catch (error) {
             // An error ocurred in the function, log the error and just resolve the promise so the workflow continues.
             this.logger.error(error);
@@ -135,12 +109,22 @@ export abstract class CoreBlockBaseComponent implements OnInit {
     /**
      * Download the component contents.
      *
-     * @param refresh Whether we're refreshing data.
      * @return Promise resolved when done.
      */
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    protected async fetchContent(): Promise<void> {
-    protected async fetchContent(refresh: boolean = false): Promise<void> {
         return;
     }
 
 }
+
+/**
+ * Interface for block components.
+ */
+export interface ICoreBlockComponent {
+
+    /**
+     * Perform the invalidate content function.
+     */
+    invalidateContent(): Promise<void>;
+
+}

src/core/features/block/components/block/block.ts

@@ -17,8 +17,7 @@ import { CoreBlockDelegate } from '../../services/block-delegate';
 import { CoreDynamicComponent } from '@components/dynamic-component/dynamic-component';
 import { Subscription } from 'rxjs';
 import { CoreCourseBlock } from '@/core/features/course/services/course';
-import { IonRefresher } from '@ionic/angular';
+import type { ICoreBlockComponent } from '@features/block/classes/base-block-component';
-import type { CoreBlockBaseComponent } from '@features/block/classes/base-block-component';
 
 /**
  * Component to render a block.
@@ -30,14 +29,14 @@ import type { CoreBlockBaseComponent } from '@features/block/classes/base-block-
 })
 export class CoreBlockComponent implements OnInit, OnDestroy, DoCheck {
 
-    @ViewChild(CoreDynamicComponent) dynamicComponent?: CoreDynamicComponent<CoreBlockBaseComponent>;
+    @ViewChild(CoreDynamicComponent) dynamicComponent?: CoreDynamicComponent<ICoreBlockComponent>;
 
     @Input() block!: CoreCourseBlock; // The block to render.
     @Input() contextLevel!: string; // The context where the block will be used.
     @Input() instanceId!: number; // The instance ID associated with the context level.
     @Input() extraData!: Record<string, unknown>; // Any extra data to be passed to the block.
 
-    componentClass?: Type<unknown>; // The class of the component to render.
+    componentClass?: Type<ICoreBlockComponent>; // The class of the component to render.
     data: Record<string, unknown> = {}; // Data to pass to the component.
     class?: string; // CSS class to apply to the block.
     loaded = false;
@@ -133,24 +132,6 @@ export class CoreBlockComponent implements OnInit, OnDestroy, DoCheck {
         delete this.blockSubscription;
     }
 
-    /**
-     * Refresh the data.
-     *
-     * @param refresher Refresher. Please pass this only if the refresher should finish when this function finishes.
-     * @param done Function to call when done.
-     * @param showErrors If show errors to the user of hide them.
-     * @return Promise resolved when done.
-     */
-    async doRefresh(
-        refresher?: IonRefresher,
-        done?: () => void,
-        showErrors: boolean = false,
-    ): Promise<void> {
-        if (this.dynamicComponent) {
-            await this.dynamicComponent.callComponentMethod('doRefresh', refresher, done, showErrors);
-        }
-    }
-
     /**
      * Invalidate some data.
      *

src/core/features/block/services/block-delegate.ts

@@ -22,7 +22,7 @@ import { Params } from '@angular/router';
 import { makeSingleton } from '@singletons';
 import { CoreBlockDefaultHandler } from './handlers/default-block';
 import { CoreNavigationOptions } from '@services/navigator';
-import type { CoreBlockBaseComponent } from '@features/block/classes/base-block-component';
+import type { ICoreBlockComponent } from '@features/block/classes/base-block-component';
 
 /**
  * Interface that all blocks must implement.
@@ -66,7 +66,7 @@ export interface CoreBlockHandlerData {
      * The component to render the contents of the block.
      * It's recommended to return the class of the component, but you can also return an instance of the component.
      */
-    component: Type<CoreBlockBaseComponent>;
+    component: Type<ICoreBlockComponent>;
 
     /**
      * Data to pass to the component. All the properties in this object will be passed to the component as inputs.

src/core/features/course/classes/module-base-handler.ts

@@ -34,14 +34,14 @@ export class CoreModuleHandlerBase implements Partial<CoreCourseModuleHandler> {
     /**
      * @inheritdoc
      */
-    async getData(
+    getData(
         module: CoreCourseModuleData,
         courseId: number, // eslint-disable-line @typescript-eslint/no-unused-vars
         sectionId?: number, // eslint-disable-line @typescript-eslint/no-unused-vars
         forCoursePage?: boolean, // eslint-disable-line @typescript-eslint/no-unused-vars
-    ): Promise<CoreCourseModuleHandlerData> {
+    ): Promise<CoreCourseModuleHandlerData> | CoreCourseModuleHandlerData {
         return {
-            icon: await CoreCourse.getModuleIconSrc(module.modname, module.modicon),
+            icon: CoreCourse.getModuleIconSrc(module.modname, module.modicon),
             title: module.name,
             class: 'addon-mod_' + module.modname + '-handler',
             showDownloadButton: true,

src/core/features/course/services/course.ts

@@ -783,7 +783,7 @@ export class CoreCourseProvider {
      * @param modicon The mod icon string to use in case we are not using a core activity.
      * @return The IMG src.
      */
-    async getModuleIconSrc(moduleName: string, modicon?: string, mimetypeIcon = ''): Promise<string> {
+    getModuleIconSrc(moduleName: string, modicon?: string, mimetypeIcon = ''): string {
         if (mimetypeIcon) {
             return mimetypeIcon;
         }

src/core/features/course/services/handlers/default-module.ts

@@ -41,12 +41,12 @@ export class CoreCourseModuleDefaultHandler implements CoreCourseModuleHandler {
     /**
      * @inheritdoc
      */
-    async getData(
+    getData(
         module: CoreCourseModuleData,
-    ): Promise<CoreCourseModuleHandlerData> {
+    ): CoreCourseModuleHandlerData {
         // Return the default data.
         const defaultData: CoreCourseModuleHandlerData = {
-            icon: await CoreCourse.getModuleIconSrc(module.modname, module.modicon),
+            icon: CoreCourse.getModuleIconSrc(module.modname, module.modicon),
             title: module.name,
             class: 'core-course-default-handler core-course-module-' + module.modname + '-handler',
             action: async (event: Event, module: CoreCourseModuleData, courseId: number, options?: CoreNavigationOptions) => {

src/core/features/course/services/module-delegate.ts

@@ -391,7 +391,7 @@ export class CoreCourseModuleDelegateService extends CoreDelegate<CoreCourseModu
     async getModuleIconSrc(modname: string, modicon?: string, module?: CoreCourseModuleData): Promise<string> {
         const icon = await this.executeFunctionOnEnabled<Promise<string>>(modname, 'getIconSrc', [module]);
 
-        return icon || await CoreCourse.getModuleIconSrc(modname, modicon) || '';
+        return icon || CoreCourse.getModuleIconSrc(modname, modicon) || '';
     }
 
     /**

src/core/features/courses/services/courses.ts

@@ -1005,6 +1005,10 @@ export class CoreCoursesProvider {
      * @return Promise resolved when the data is invalidated.
      */
     async invalidateCoursesByField(field: string = '', value: number | string = '', siteId?: string): Promise<void> {
+        if (typeof value === 'string' && value.length === 0) {
+            return;
+        }
+
         siteId = siteId || CoreSites.getCurrentSiteId();
 
         const result = await this.fixCoursesByFieldParams(field, value, siteId);

src/core/features/grades/pages/course/course.page.ts

@@ -191,7 +191,7 @@ export class CoreGradesCoursePage implements AfterViewInit, OnDestroy {
      */
     private async fetchGrades(): Promise<void> {
         const table = await CoreGrades.getCourseGradesTable(this.courseId, this.userId);
-        const formattedTable = await CoreGradesHelper.formatGradesTable(table);
+        const formattedTable = CoreGradesHelper.formatGradesTable(table);
 
         this.title = formattedTable.rows[0]?.gradeitem ?? Translate.instant('core.grades.grades');
         this.columns = formattedTable.columns;

src/core/features/grades/services/grades-helper.ts

@@ -98,7 +98,7 @@ export class CoreGradesHelperProvider {
      * @param tableRow JSON object representing row of grades table data.
      * @return Formatted row object.
      */
-    protected async formatGradeRowForTable(tableRow: CoreGradesTableRow): Promise<CoreGradesFormattedTableRow> {
+    protected formatGradeRowForTable(tableRow: CoreGradesTableRow): CoreGradesFormattedTableRow {
         const row: CoreGradesFormattedTableRow = {};
         for (let name in tableRow) {
             const column: CoreGradesTableColumn = tableRow[name];
@@ -116,7 +116,7 @@ export class CoreGradesHelperProvider {
                 row.colspan = itemNameColumn.colspan;
                 row.rowspan = tableRow.leader?.rowspan || 1;
 
-                await this.setRowIcon(row, content);
+                this.setRowIcon(row, content);
                 row.rowclass = itemNameColumn.class.indexOf('leveleven') < 0 ? 'odd' : 'even';
                 row.rowclass += itemNameColumn.class.indexOf('hidden') >= 0 ? ' hidden' : '';
                 row.rowclass += itemNameColumn.class.indexOf('dimmed_text') >= 0 ? ' dimmed_text' : '';
@@ -182,7 +182,7 @@ export class CoreGradesHelperProvider {
      * @param table JSON object representing a table with data.
      * @return Formatted HTML table.
      */
-    async formatGradesTable(table: CoreGradesTable): Promise<CoreGradesFormattedTable> {
+    formatGradesTable(table: CoreGradesTable): CoreGradesFormattedTable {
         const maxDepth = table.maxdepth;
         const formatted: CoreGradesFormattedTable = {
             columns: [],
@@ -202,7 +202,7 @@ export class CoreGradesHelperProvider {
             feedback: false,
             contributiontocoursetotal: false,
         };
-        formatted.rows = await Promise.all(table.tabledata.map(row => this.formatGradeRowForTable(row)));
+        formatted.rows = table.tabledata.map(row => this.formatGradeRowForTable(row));
 
         // Get a row with some info.
         let normalRow = formatted.rows.find(
@@ -474,7 +474,7 @@ export class CoreGradesHelperProvider {
         // Find href containing "/mod/xxx/xxx.php".
         const regex = /href="([^"]*\/mod\/[^"|^/]*\/[^"|^.]*\.php[^"]*)/;
 
-        return await Promise.all(table.tabledata.filter((row) => {
+        return table.tabledata.filter((row) => {
             if (row.itemname && row.itemname.content) {
                 const matches = row.itemname.content.match(regex);
 
@@ -486,7 +486,7 @@ export class CoreGradesHelperProvider {
             }
 
             return false;
-        }).map((row) => this.formatGradeRowForTable(row)));
+        }).map((row) => this.formatGradeRowForTable(row));
     }
 
     /**
@@ -589,7 +589,7 @@ export class CoreGradesHelperProvider {
      * @param text HTML where the image will be rendered.
      * @return Row object with the image.
      */
-    protected async setRowIcon<T extends CoreGradesFormattedRowCommonData>(row: T, text: string): Promise<T> {
+    protected setRowIcon<T extends CoreGradesFormattedRowCommonData>(row: T, text: string): T {
         text = text.replace('%2F', '/').replace('%2f', '/');
         if (text.indexOf('/agg_mean') > -1) {
             row.itemtype = 'agg_mean';
@@ -621,7 +621,7 @@ export class CoreGradesHelperProvider {
                 row.itemtype = 'mod';
                 row.itemmodule = module[1];
                 row.iconAlt = CoreCourse.translateModuleName(row.itemmodule) || '';
-                row.image = await CoreCourse.getModuleIconSrc(
+                row.image = CoreCourse.getModuleIconSrc(
                     module[1],
                     CoreDomUtils.convertToElement(text).querySelector('img')?.getAttribute('src') ?? undefined,
                 );

src/core/features/siteplugins/classes/handlers/block-handler.ts

@@ -14,7 +14,7 @@
 
 import { Type } from '@angular/core';
 import { CoreError } from '@classes/errors/error';
-import type { CoreBlockBaseComponent } from '@features/block/classes/base-block-component';
+import type { ICoreBlockComponent } from '@features/block/classes/base-block-component';
 import { CoreBlockPreRenderedComponent } from '@features/block/components/pre-rendered-block/pre-rendered-block';
 import { CoreBlockDelegate, CoreBlockHandler, CoreBlockHandlerData } from '@features/block/services/block-delegate';
 import { CoreCourseBlock } from '@features/course/services/course';
@@ -52,7 +52,7 @@ export class CoreSitePluginsBlockHandler extends CoreSitePluginsBaseHandler impl
         instanceId: number,
     ): Promise<CoreBlockHandlerData> {
         const className = this.handlerSchema.displaydata?.class || 'block_' + block.name;
-        let component: Type<CoreBlockBaseComponent> | undefined;
+        let component: Type<ICoreBlockComponent> | undefined;
 
         if (this.handlerSchema.displaydata?.type == 'title') {
             component = CoreSitePluginsOnlyTitleBlockComponent;

src/core/features/siteplugins/classes/handlers/module-handler.ts

@@ -76,7 +76,7 @@ export class CoreSitePluginsModuleHandler extends CoreSitePluginsBaseHandler imp
             module.description = '';
 
             return {
-                icon: await CoreCourse.getModuleIconSrc(module.modname, icon),
+                icon: CoreCourse.getModuleIconSrc(module.modname, icon),
                 title: title || '',
                 a11yTitle: '',
                 class: this.handlerSchema.displaydata?.class,
@@ -87,7 +87,7 @@ export class CoreSitePluginsModuleHandler extends CoreSitePluginsBaseHandler imp
         const showDowloadButton = this.handlerSchema.downloadbutton;
         const handlerData: CoreCourseModuleHandlerData = {
             title: module.name,
-            icon: await CoreCourse.getModuleIconSrc(module.modname, icon),
+            icon: CoreCourse.getModuleIconSrc(module.modname, icon),
             class: this.handlerSchema.displaydata?.class,
             showDownloadButton: showDowloadButton !== undefined ? showDowloadButton : hasOffline,
         };

src/core/services/utils/utils.ts

@@ -81,12 +81,12 @@ export class CoreUtilsProvider {
      * @param promises Promises.
      * @return Promise resolved if all promises are resolved and rejected if at least 1 promise fails.
      */
-    async allPromises(promises: Promise<unknown>[]): Promise<void> {
+    async allPromises(promises: unknown[]): Promise<void> {
         if (!promises || !promises.length) {
-            return Promise.resolve();
+            return;
         }
 
-        const getPromiseError = async (promise): Promise<Error | void> => {
+        const getPromiseError = async (promise: unknown): Promise<Error | void> => {
             try {
                 await promise;
             } catch (error) {

src/core/utils/rxjs.ts

@@ -0,0 +1,62 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { FormControl } from '@angular/forms';
+import { Observable, OperatorFunction } from 'rxjs';
+import { filter } from 'rxjs/operators';
+
+/**
+ * Create an observable that emits the current form control value.
+ *
+ * @param control Form control.
+ * @returns Form control value observable.
+ */
+export function formControlValue<T = unknown>(control: FormControl): Observable<T> {
+    return control.valueChanges.pipe(
+        startWithOnSubscribed(() => control.value),
+        filter(value => value !== null),
+    );
+}
+
+/**
+ * Observable operator that waits for a promise to resolve before emitting the result.
+ *
+ * @returns Operator.
+ */
+export function resolved<T>(): OperatorFunction<Promise<T>, T> {
+    return source => new Observable(subscriber => {
+        const subscription = source.subscribe(async promise => {
+            const value = await promise;
+
+            return subscriber.next(value);
+        });
+
+        return subscription;
+    });
+}
+
+/**
+ * Same as the built-in startWith operator, but evaluates the starting value for each subscriber
+ * on subscription.
+ *
+ * @param onSubscribed Callback to calculate the starting value.
+ * @returns Operator.
+ */
+export function startWithOnSubscribed<T>(onSubscribed: () => T): OperatorFunction<T, T> {
+    return source => new Observable(subscriber => {
+        subscriber.next(onSubscribed());
+
+        return source.subscribe(value => subscriber.next(value));
+    });
+}

src/core/utils/tests/rxjs.test.ts

@@ -0,0 +1,89 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { formControlValue, resolved, startWithOnSubscribed } from '@/core/utils/rxjs';
+import { mock } from '@/testing/utils';
+import { FormControl } from '@angular/forms';
+import { of, Subject } from 'rxjs';
+
+describe('RXJS Utils', () => {
+
+    it('Emits filtered form values', () => {
+        // Arrange.
+        let value = 'one';
+        const emited: string[] = [];
+        const valueChanges = new Subject();
+        const control = mock<FormControl>({
+            get value() {
+                return value;
+            },
+            setValue(newValue) {
+                value = newValue;
+
+                valueChanges.next(newValue);
+            },
+            valueChanges,
+        });
+
+        // Act.
+        control.setValue('two');
+
+        formControlValue<string>(control).subscribe(value => emited.push(value));
+
+        control.setValue(null);
+        control.setValue('three');
+
+        // Assert.
+        expect(emited).toEqual(['two', 'three']);
+    });
+
+    it('Emits resolved values', async () => {
+        // Arrange.
+        const emited: string[] = [];
+        const promises = [
+            Promise.resolve('one'),
+            Promise.resolve('two'),
+            Promise.resolve('three'),
+        ];
+        const source = of(...promises);
+
+        // Act.
+        source.pipe(resolved()).subscribe(value => emited.push(value));
+
+        // Assert.
+        await Promise.all(promises);
+
+        expect(emited).toEqual(['one', 'two', 'three']);
+    });
+
+    it('Adds starting values on subscription', () => {
+        // Arrange.
+        let store = 'one';
+        const emited: string[] = [];
+        const source = of('final');
+
+        // Act.
+        const withStore = source.pipe(startWithOnSubscribed(() => store));
+
+        store = 'two';
+        withStore.subscribe(value => emited.push(value));
+
+        store = 'three';
+        withStore.subscribe(value => emited.push(value));
+
+        // Assert.
+        expect(emited).toEqual(['two', 'final', 'three', 'final']);
+    });
+
+});

src/testing/services/behat-runtime.ts

@@ -28,6 +28,8 @@ import { CoreCronDelegate } from '@services/cron';
 import { CoreLoadingComponent } from '@components/loading/loading';
 import { CoreComponentsRegistry } from '@singletons/components-registry';
 import { CoreDom } from '@singletons/dom';
+import { IonRefresher } from '@ionic/angular';
+import { CoreCoursesDashboardPage } from '@features/courses/pages/dashboard/dashboard';
 
 /**
  * Behat runtime servive with public API.
@@ -52,6 +54,7 @@ export class TestsBehatRuntime {
             log: TestsBehatRuntime.log,
             press: TestsBehatRuntime.press,
             pressStandard: TestsBehatRuntime.pressStandard,
+            pullToRefresh: TestsBehatRuntime.pullToRefresh,
             scrollTo: TestsBehatRuntime.scrollTo,
             setField: TestsBehatRuntime.setField,
             handleCustomURL: TestsBehatRuntime.handleCustomURL,
@@ -349,6 +352,39 @@ export class TestsBehatRuntime {
         }
     }
 
+    /**
+     * Trigger a pull to refresh gesture in the current page.
+     *
+     * @return OK if successful, or ERROR: followed by message
+     */
+    static async pullToRefresh(): Promise<string> {
+        this.log('Action - pullToRefresh');
+
+        try {
+            // TODO We should generalize this to work with other pages. It's not possible to use
+            // an IonRefresher instance because it doesn't expose any methods to trigger refresh,
+            // so we'll have to find another way.
+
+            const dashboard = this.getAngularInstance<CoreCoursesDashboardPage>(
+                'page-core-courses-dashboard',
+                'CoreCoursesDashboardPage',
+            );
+
+            if (!dashboard) {
+                return 'ERROR: It\'s not possible to pull to refresh the current page '
+                    + '(the dashboard page is the only one supported at the moment).';
+            }
+
+            await new Promise(resolve => {
+                dashboard.refreshDashboard({ complete: resolve } as IonRefresher);
+            });
+
+            return 'OK';
+        } catch (error) {
+            return 'ERROR: ' + error.message;
+        }
+    }
+
     /**
      * Gets the currently displayed page header.
      *
@@ -403,7 +439,7 @@ export class TestsBehatRuntime {
      * @param className Constructor class name
      * @return Component instance
      */
-    static getAngularInstance(selector: string, className: string): unknown {
+    static getAngularInstance<T = unknown>(selector: string, className: string): T | null {
         this.log('Action - Get Angular instance ' + selector + ', ' + className);
 
         // eslint-disable-next-line @typescript-eslint/no-explicit-any