MOBILE-3485 tag: Show empty results on tag areas

scripts/langindex.json

@@ -1557,6 +1557,7 @@
   "core.errorsomedatanotdownloaded": "local_moodlemobileapp",
   "core.errorsync": "local_moodlemobileapp",
   "core.errorsyncblocked": "local_moodlemobileapp",
+  "core.errorurlschemeinvalidsite": "local_moodlemobileapp",
   "core.explanationdigitalminor": "moodle",
   "core.favourites": "moodle",
   "core.filename": "repository",
@@ -2096,6 +2097,7 @@
   "core.tag.errorareanotsupported": "local_moodlemobileapp",
   "core.tag.inalltagcoll": "tag",
   "core.tag.itemstaggedwith": "tag",
+  "core.tag.noresultsfor": "tag",
   "core.tag.notagsfound": "tag",
   "core.tag.searchtags": "tag",
   "core.tag.showingfirsttags": "tag",

src/assets/lang/en.json

@@ -2097,6 +2097,7 @@
     "core.tag.errorareanotsupported": "This tag area is not supported by the app.",
     "core.tag.inalltagcoll": "Everywhere",
     "core.tag.itemstaggedwith": "{{$a.tagarea}} tagged with \"{{$a.tag}}\"",
+    "core.tag.noresultsfor": "No results for \"{{$a}}\"",
     "core.tag.notagsfound": "No tags matching \"{{$a}}\" found",
     "core.tag.searchtags": "Search tags",
     "core.tag.showingfirsttags": "Showing {{$a}} most popular tags",

src/core/tag/lang/en.json

@@ -4,6 +4,7 @@
     "inalltagcoll": "Everywhere",
     "itemstaggedwith": "{{$a.tagarea}} tagged with \"{{$a.tag}}\"",
     "notagsfound": "No tags matching \"{{$a}}\" found",
+    "noresultsfor": "No results for \"{{$a}}\"",
     "searchtags": "Search tags",
     "showingfirsttags": "Showing {{$a}} most popular tags",
     "tag": "Tag",

src/core/tag/pages/index/index.html

@@ -9,7 +9,7 @@
             <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
         </ion-refresher>
         <core-loading [hideUntil]="loaded">
-            <ion-list>
+            <ion-list *ngIf="hasUnsupportedAreas || areas">
                 <ion-item text-wrap *ngIf="hasUnsupportedAreas" class="core-warning-item">
                     <ion-icon item-start name="warning" color="warning"></ion-icon>
                     {{ 'core.tag.warningareasnotsupported' | translate }}
@@ -19,6 +19,7 @@
                     <ion-badge item-end *ngIf="area.badge">{{ area.badge }}</ion-badge>
                 </a>
             </ion-list>
+            <core-empty-box icon="fa-tag" *ngIf="!hasUnsupportedAreas && (!areas || !areas.length)" [message]="'core.tag.noresultsfor' | translate: { $a: tagName }"></core-empty-box>
         </core-loading>
     </ion-content>
 </core-split-view>

src/core/tag/providers/tag.ts

@@ -166,7 +166,7 @@ export class CoreTagProvider {
 
                 return Promise.reject(error);
             }).then((response) => {
-                if (!response || !response.length) {
+                if (!response) {
                     return Promise.reject(null);
                 }