MOBILE-4389 course: Load all sections when selected by the user

src/core/features/course/components/course-format/course-format.ts

@@ -56,6 +56,8 @@ import { CoreModals } from '@services/modals';
 import { CoreSharedModule } from '@/core/shared.module';
 import { CoreBlockComponentsModule } from '@features/block/components/components.module';
 import { CoreCourseComponentsModule } from '../components.module';
+import { CoreSites } from '@services/sites';
+import { COURSE_ALL_SECTIONS_PREFERRED_PREFIX } from '@features/course/constants';
 
 /**
  * Component to display course contents using a certain format. If the format isn't found, use default one.
@@ -316,8 +318,8 @@ export class CoreCourseFormatComponent implements OnInit, OnChanges, OnDestroy {
         } else if (this.initialSectionId || this.initialSectionNumber !== undefined) {
             // We have an input indicating the section ID to load. Search the section.
             const section = sections.find((section) =>
-                section.id == this.initialSectionId ||
+                section.id === this.initialSectionId ||
-                    (section.section !== undefined && section.section == this.initialSectionNumber));
+                    (section.section !== undefined && section.section === this.initialSectionNumber));
 
             // Don't load the section if it cannot be viewed by the user.
             if (section && this.canViewSection(section)) {
@@ -337,6 +339,7 @@ export class CoreCourseFormatComponent implements OnInit, OnChanges, OnDestroy {
             });
         }
 
+        const allSectionsPreferred = await this.isAllSectionsPreferred();
         if (!this.loaded) {
             // No section specified, not found or not visible, load current section or the section with last module viewed.
             const currentSectionData = await CoreCourseFormatDelegate.getCurrentSection(this.course, sections);
@@ -345,16 +348,19 @@ export class CoreCourseFormatComponent implements OnInit, OnChanges, OnDestroy {
             let section = currentSectionData.section;
             let moduleId: number | undefined;
 
-            if (!currentSectionData.forceSelected && lastModuleViewed) {
+            // If all sections is not preferred, load the last viewed module section.
+            if (!allSectionsPreferred && lastModuleViewed) {
+                if (!currentSectionData.forceSelected) {
                     // Search the section with the last module viewed.
                     const lastModuleSection = this.getViewedModuleSection(sections, lastModuleViewed);
 
                     section = lastModuleSection || section;
                     moduleId = lastModuleSection ? lastModuleViewed?.cmId : undefined;
-            } else if (lastModuleViewed && currentSectionData.section.modules.some(module => module.id === lastModuleViewed.cmId)) {
+                } else if (currentSectionData.section.modules.some(module => module.id === lastModuleViewed.cmId)) {
                     // Last module viewed is inside the highlighted section.
                     moduleId = lastModuleViewed.cmId;
                 }
+            }
 
             this.loaded = true;
             this.sectionChanged(section, moduleId);
@@ -456,7 +462,7 @@ export class CoreCourseFormatComponent implements OnInit, OnChanges, OnDestroy {
         if (!data) {
             return;
         }
-        const section = this.sections.find((section) => section.id == data.sectionId);
+        const section = this.sections.find((section) => section.id === data.sectionId);
         if (!section) {
             return;
         }
@@ -465,7 +471,7 @@ export class CoreCourseFormatComponent implements OnInit, OnChanges, OnDestroy {
         if (!data.moduleId) {
             return;
         }
-        const module = section.modules.find((module) => module.id == data.moduleId);
+        const module = section.modules.find((module) => module.id === data.moduleId);
         if (!module) {
             return;
         }
@@ -513,7 +519,7 @@ export class CoreCourseFormatComponent implements OnInit, OnChanges, OnDestroy {
         this.selectedSection = newSection;
         this.data.section = this.selectedSection;
 
-        if (newSection.id != this.allSectionsId) {
+        if (newSection.id !== this.allSectionsId) {
             // Select next and previous sections to show the arrows.
             const i = this.sections.findIndex((value) => this.compareSections(value, newSection));
 
@@ -531,11 +537,13 @@ export class CoreCourseFormatComponent implements OnInit, OnChanges, OnDestroy {
                 }
             }
             this.nextSection = j < this.sections.length ? this.sections[j] : undefined;
+            this.setAllSectionsPreferred(false);
         } else {
             this.previousSection = undefined;
             this.nextSection = undefined;
             this.lastShownSectionIndex = -1;
             this.showMoreActivities();
+            this.setAllSectionsPreferred(true);
         }
 
         // Scroll to module if needed. Give more priority to the input.
@@ -698,6 +706,31 @@ export class CoreCourseFormatComponent implements OnInit, OnChanges, OnDestroy {
         });
     }
 
+    /**
+     * Set all sections is preferred for the course.
+     *
+     * @param show Whether if all sections is preferred.
+     */
+    async setAllSectionsPreferred(show: boolean): Promise<void> {
+        const site = CoreSites.getCurrentSite();
+
+        await site?.setLocalSiteConfig(`${COURSE_ALL_SECTIONS_PREFERRED_PREFIX}${this.course.id}`, show ? 1 : 0);
+    }
+
+    /**
+     * Check if all sections is preferred for the course.
+     *
+     * @returns Whether if all sections is preferred.
+     */
+    async isAllSectionsPreferred(): Promise<boolean> {
+        const site = CoreSites.getCurrentSite();
+
+        const showAllSections =
+            await site?.getLocalSiteConfig<number>(`${COURSE_ALL_SECTIONS_PREFERRED_PREFIX}${this.course.id}`, 0);
+
+        return !!showAllSections;
+    }
+
 }
 
 type CoreCourseSectionToDisplay = CoreCourseSection & {

src/core/features/course/constants.ts

@@ -16,3 +16,5 @@ export const COURSE_INDEX_PATH = ':courseId';
 export const COURSE_PAGE_NAME = 'course';
 export const CONTENTS_PAGE_NAME = 'contents';
 export const COURSE_CONTENTS_PATH = `${COURSE_PAGE_NAME}/${COURSE_INDEX_PATH}/${CONTENTS_PAGE_NAME}`;
+
+export const COURSE_ALL_SECTIONS_PREFERRED_PREFIX = 'CoreCourseFormatAllSectionsPreferred-';