[FEATURE] we can now filter the datasets by project, then corpus

static/js/gargantext.angular.js

@@ -234,10 +234,17 @@ gargantext.controller("DatasetController", function($scope, $http) {
     $scope.results = [];
     $scope.resultsCount = undefined;
     // corpus retrieval
+    $scope.projects = [];
     $scope.corpora = [];
-    $http.get('/api/nodes?type=Corpus', {cache: true}).success(function(response){
-        $scope.corpora = response.data;
+    $http.get('/api/nodes?type=Project', {cache: true}).success(function(response){
+        $scope.projects = response.data;
     });
+    // update corpora according to the select parent project
+    $scope.updateCorpora = function() {
+        $http.get('/api/nodes?type=Corpus&parent=' + $scope.projectId, {cache: true}).success(function(response){
+            $scope.corpora = response.data;
+        });
+    };
     // update entities depending on the selected corpus
     $scope.updateEntities = function() {
         var url = '/api/nodes/' + $scope.corpusId + '/children/metadata';

templates/tests/mvc.html

@@ -227,10 +227,10 @@
                     <div class="corpus">
                         <button ng-click="removeDataset($index)" title="remove this dataset">X</button>
                         <select ng-model="mesured" style="background-color:{{ getColor($index, datasets.length) }}" ng-options="value as key for (key, value) in {'Documents count': 'nodes.count', 'Ngrams count': 'ngrams.count'}" ng-change="updateQuery()"></select>
-                        in the corpus
-                        <select ng-model="corpusId" ng-change="updateEntities()">
-                            <option ng-repeat="corpus in corpora" value="{{corpus.id}}">{{corpus.name}}</option>
-                        </select>
+                        in the project
+                        <select ng-model="projectId" ng-change="updateCorpora()" ng-options="project.id as project.name for project in projects"></select>,
+                        corpus
+                        <select ng-model="corpusId" ng-change="updateEntities()" ng-options="corpus.id as corpus.name for corpus in corpora"></select>
                     </div>                    
                     <div class="filters" ng-if="entities">
                         <ul>