admin: display file dependancies and be able to remove them

admin/static/js/app.js

@@ -1335,6 +1335,18 @@ angular.module("FICApp")
 	    $rootScope.staticFilesNeedUpdate++;
 	    return false;
 	}
+	$scope.deleteFileDep = function() {
+	    $http({
+		url: "/api//files/" + this.file.id + "/dependancies/" + this.dep.id,
+		method: "DELETE"
+	    }).then(function(response) {
+		$scope.files = ExerciceFile.query({ exerciceId: $routeParams.exerciceId });
+	    }, function(response) {
+		$rootScope.newBox('danger', 'An error occurs when removing file dep:', response.data.errmsg);
+	    });
+	    $rootScope.staticFilesNeedUpdate++;
+	    return false;
+	}
 	$scope.saveFile = function() {
 	    this.file.$update();
 	    $rootScope.staticFilesNeedUpdate++;

admin/static/views/exercice.html

@@ -57,6 +57,16 @@
 	      Taille&nbsp;: <span title="{{ file.size }} octets">{{ file.size | size }}</span> &dash;
 	      BLAKE2b&nbsp;: <samp title="{{ file.checksum | cksum }}">{{ file.checksum | cksum }}</samp>
 	    </div>
+	    <div>
+	      Dépend de la validation de :
+	      <span ng-if="!file.depends">aucun flag</span>
+	      <ul ng-if="file.depends">
+		<li ng-repeat="dep in file.depends">
+		  {{ dep.label }}
+		  <button type="button" class="btn btn-sm btn-danger" ng-click="deleteFileDep()"><span class="glyphicon glyphicon-trash"></span></button>
+		</li>
+	      </ul>
+	    </div>
 	  </form>
 	</div>
       </div>