Merge pull request #2042 from crazyserver/MOBILE-3090

MOBILE-3090 calendar: Invalidate events when adding, editing or deleting

src/addon/calendar/pages/edit-event/edit-event.ts

@@ -491,7 +491,13 @@ export class AddonCalendarEditEventPage implements OnInit, OnDestroy {
         const modal = this.domUtils.showModalLoading('core.sending', true);
 
         this.calendarProvider.submitEvent(this.eventId, data).then((result) => {
+            const numberOfRepetitions = formData.repeat ? formData.repeats :
+                (data.repeateditall && this.event.othereventscount ? this.event.othereventscount + 1 : 1);
+            this.calendarHelper.invalidateRepeatedEventsOnCalendar(result.event, numberOfRepetitions).catch(() => {
+                // Ignore errors.
+            }).then(() => {
                 this.returnToList(result.event);
+            });
         }).catch((error) => {
             this.domUtils.showErrorModalDefault(error, 'Error sending data.');
         }).finally(() => {

src/addon/calendar/pages/event/event.ts

@@ -445,7 +445,10 @@ export class AddonCalendarEventPage implements OnDestroy {
             const modal = this.domUtils.showModalLoading('core.sending', true);
 
             this.calendarProvider.deleteEvent(this.event.id, this.event.name, deleteAll).then((sent) => {
-
+                this.calendarHelper.invalidateRepeatedEventsOnCalendar(this.event, deleteAll ? this.event.eventcount : 1)
+                        .catch(() => {
+                    // Ignore errors.
+                }).then(() => {
                     // Trigger an event.
                     this.eventsProvider.trigger(AddonCalendarProvider.DELETED_EVENT_EVENT, {
                         eventId: this.eventId,
@@ -463,7 +466,7 @@ export class AddonCalendarEventPage implements OnDestroy {
                         // Event deleted in offline, just mark it as deleted.
                         this.event.deleted = true;
                     }
-
+                });
             }).catch((error) => {
                 this.domUtils.showErrorModalDefault(error, 'Error deleting event.');
             }).finally(() => {

src/addon/calendar/providers/calendar.ts

@@ -1146,6 +1146,19 @@ export class AddonCalendarProvider {
         return this.getEventsListPrefixCacheKey() + daysToStart + ':' + daysInterval;
     }
 
+    /**
+     * Get calendar events from local Db that have the same repeatid.
+     *
+     * @param {number} [repeatId] Repeat Id of the event.
+     * @param {string} [siteId] ID of the site the event belongs to. If not defined, use current site.
+     * @return {Promise<any[]>} Promise resolved with all the events.
+     */
+    getLocalEventsByRepeatIdFromLocalDb(repeatId: number, siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            return site.getDb().getRecords(AddonCalendarProvider.EVENTS_TABLE, {repeatid: repeatId});
+        });
+    }
+
     /**
      * Get monthly calendar events.
      *

src/addon/calendar/providers/helper.ts

@@ -276,4 +276,67 @@ export class AddonCalendarHelperProvider {
         // Show the event if it is from site home or if it matches the selected course.
         return event.courseid === this.sitesProvider.getSiteHomeId() || event.courseid == courseId;
     }
+
+    /**
+     * Invalidate all calls from calendar WS calls.
+     *
+     * @param  {any}          event     Event that has been touched.
+     * @param  {number}      repeated   Number of times the event is repeated.
+     * @param {string} [siteId] Site ID. If not defined, current site.
+     * @return {Promise<any>}           REsolved when done.
+     */
+    invalidateRepeatedEventsOnCalendar(event: any, repeated: number, siteId?: string): Promise<any> {
+        let invalidatePromise;
+        const timestarts = [];
+
+        if (repeated > 1) {
+            if (event.repeatid) {
+                // Being edited or deleted.
+                invalidatePromise = this.calendarProvider.getLocalEventsByRepeatIdFromLocalDb(event.repeatid, siteId)
+                        .then((events) => {
+                    return events.map((event) => {
+                        timestarts.push(event.timestart);
+
+                        return this.calendarProvider.invalidateEvent(event.id);
+                    });
+
+                });
+            } else {
+                // Being added.
+                let time = event.timestart;
+                while (repeated > 0) {
+                    timestarts.push(time);
+                    time += CoreConstants.SECONDS_DAY * 7;
+                    repeated--;
+                }
+
+                invalidatePromise = Promise.resolve();
+            }
+        } else {
+            // Not repeated.
+            timestarts.push(event.timestart);
+            invalidatePromise = this.calendarProvider.invalidateEvent(event.id);
+        }
+
+        return invalidatePromise.then(() => {
+            let lastMonth, lastYear;
+
+            return Promise.all([
+                this.calendarProvider.invalidateAllUpcomingEvents(),
+                timestarts.map((time) => {
+                    const day = moment(new Date(time * 1000));
+
+                    if (lastMonth && (lastMonth == day.month() + 1 && lastYear == day.year())) {
+                        return Promise.resolve();
+                    }
+
+                    // Invalidate once.
+                    lastMonth = day.month() + 1;
+                    lastYear = day.year();
+
+                    return this.calendarProvider.invalidateMonthlyEvents(lastYear, lastMonth, siteId);
+                })
+            ]);
+        });
+    }
 }