MOBILE-2788 assign: Check if the user can view their own submission

src/addon/mod/assign/components/index/addon-mod-assign-index.html

@@ -31,7 +31,7 @@
     </div>
 
     <!-- User can view all submissions (teacher). -->
-    <ion-card *ngIf="assign && canViewSubmissions" class="core-list-align-detail-right">
+    <ion-card *ngIf="assign && canViewAllSubmissions" class="core-list-align-detail-right">
         <ion-item text-wrap *ngIf="timeRemaining">
             <h2>{{ 'addon.mod_assign.timeremaining' | translate }}</h2>
             <p>{{ timeRemaining }}</p>
@@ -82,6 +82,6 @@
     </ion-card>
 
     <!-- If it's a student, display his submission. -->
-    <addon-mod-assign-submission *ngIf="loaded && !canViewSubmissions" [courseId]="courseId" [moduleId]="module.id"></addon-mod-assign-submission>
+    <addon-mod-assign-submission *ngIf="loaded && !canViewAllSubmissions && canViewOwnSubmission" [courseId]="courseId" [moduleId]="module.id"></addon-mod-assign-submission>
 
 </core-loading>

src/addon/mod/assign/components/index/index.ts

@@ -38,7 +38,8 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
     moduleName = 'assign';
 
     assign: any; // The assign object.
-    canViewSubmissions: boolean; // Whether the user can view all submissions.
+    canViewAllSubmissions: boolean; // Whether the user can view all submissions.
+    canViewOwnSubmission: boolean; // Whether the user can view their own submission.
     timeRemaining: string; // Message about time remaining to submit.
     lateSubmissions: string; // Message about late submissions.
     showNumbers = true; // Whether to show number of submissions with each status.
@@ -80,16 +81,16 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
                 // Ignore errors.
             });
 
-            if (!this.canViewSubmissions) {
+            if (this.canViewAllSubmissions) {
-                // User can only see his submission, log view the user submission.
-                this.assignProvider.logSubmissionView(this.assign.id).catch(() => {
-                    // Ignore errors.
-                });
-            } else {
                 // User can see all submissions, log grading view.
                 this.assignProvider.logGradingView(this.assign.id).catch(() => {
                     // Ignore errors.
                 });
+            } else if (this.canViewOwnSubmission) {
+                // User can only see their own submission, log view the user submission.
+                this.assignProvider.logSubmissionView(this.assign.id).catch(() => {
+                    // Ignore errors.
+                });
             }
         });
 
@@ -165,7 +166,7 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
             return this.assignProvider.getSubmissions(this.assign.id).then((data) => {
                 const time = this.timeUtils.timestamp();
 
-                this.canViewSubmissions = data.canviewsubmissions;
+                this.canViewAllSubmissions = data.canviewsubmissions;
 
                 if (data.canviewsubmissions) {
 
@@ -206,6 +207,17 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
                         });
                     });
                 }
+
+                // Check if the user can view their own submission.
+                return this.assignProvider.getSubmissionStatus(this.assign.id).then(() => {
+                    this.canViewOwnSubmission = true;
+                }).catch((error) => {
+                    this.canViewOwnSubmission = false;
+
+                    if (error.errorcode !== 'nopermission') {
+                        return Promise.reject(error);
+                    }
+                });
             });
         }).then(() => {
             // All data obtained, now fill the context menu.
@@ -263,7 +275,7 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
         if (this.assign) {
             promises.push(this.assignProvider.invalidateAllSubmissionData(this.assign.id));
 
-            if (this.canViewSubmissions) {
+            if (this.canViewAllSubmissions) {
                 promises.push(this.assignProvider.invalidateSubmissionStatusData(this.assign.id));
             }
         }

src/addon/mod/assign/providers/prefetch-handler.ts

@@ -64,9 +64,16 @@ export class AddonModAssignPrefetchHandler extends CoreCourseActivityPrefetchHan
     canUseCheckUpdates(module: any, courseId: number): boolean | Promise<boolean> {
         // Teachers cannot use the WS because it doesn't check student submissions.
         return this.assignProvider.getAssignment(courseId, module.id).then((assign) => {
-            return this.assignProvider.getSubmissions(assign.id);
+            return this.assignProvider.getSubmissions(assign.id).then((data) => {
-        }).then((data) => {
+                if (data.canviewsubmissions) {
-            return !data.canviewsubmissions;
+                    return false;
+                }
+
+                // Check if the user can view their own submission.
+                return this.assignProvider.getSubmissionStatus(assign.id).then(() => {
+                    return true;
+                });
+            });
         }).catch(() => {
             return false;
         });
@@ -322,10 +329,16 @@ export class AddonModAssignPrefetchHandler extends CoreCourseActivityPrefetchHan
                 }));
             } else {
                 // Student.
-                promises.push(this.assignProvider.getSubmissionStatus(assign.id, userId, false, true, false, siteId)
+                promises.push(
-                        .then((subm) => {
+                    this.assignProvider.getSubmissionStatus(assign.id, userId, false, true, false, siteId).then((subm) => {
                         return this.prefetchSubmission(assign, courseId, moduleId, subm, userId, siteId);
-                }));
+                    }).catch((error) => {
+                        // Ignore if the user can't view their own submission.
+                        if (error.errorcode != 'nopermission') {
+                            return Promise.reject(error);
+                        }
+                    })
+                );
             }
 
             promises.push(this.groupsProvider.activityHasGroups(assign.cmid));