[FEAT] Adding download button.

gargantext/views/api/nodes.py

@@ -11,8 +11,11 @@ from gargantext.util.http       import ValidationException, APIView \
 
 from collections import defaultdict
 
+import csv
+
 _node_available_fields = ['id', 'parent_id', 'name', 'typename', 'hyperdata', 'ngrams']
 _node_default_fields = ['id', 'parent_id', 'name', 'typename']
+_node_available_formats = ['json', 'csv', 'bibex']
 _node_available_types = NODETYPES
 
 
@@ -21,6 +24,7 @@ def _query_nodes(request, node_id=None):
     # parameters validation
     parameters = get_parameters(request)
     parameters = validate(parameters, {'type': dict, 'items': {
+        'formated': {'type': str, 'required' : False, 'default': 'json'},
         'pagination_limit': {'type': int, 'default': 10},
         'pagination_offset': {'type': int, 'default': 0},
         'fields': {'type': list, 'default': _node_default_fields, 'items': {
@@ -65,6 +69,8 @@ class NodeListResource(APIView):
         """Displays the list of nodes corresponding to the query.
         """
         parameters, query, count = _query_nodes(request)
+
+        if parameters['formated'] == 'json':
             return JsonHttpResponse({
                 'parameters': parameters,
                 'count': count,
@@ -74,6 +80,29 @@ class NodeListResource(APIView):
                 ]
             })
 
+        elif parameters['formated'] == 'csv':
+            response = HttpResponse(content_type='text/csv')
+            response['Content-Disposition'] = 'attachment; filename="Gargantext_Corpus.csv"'
+
+            writer = csv.writer(response)
+
+            keys =  [ 'title'   , 'journal', 'publication_date'
+                    , 'abstract', 'authors']
+
+            writer.writerow(keys)
+
+            for node in query:
+                data = list()
+                for key in keys:
+                    try:
+                        data.append(node.hyperdata[key])
+                    except:
+                        data.append("")
+                writer.writerow(data)
+
+            return response
+
+
 
     def post(self, request):
         """Create a new node.

templates/pages/menu.html

@@ -145,7 +145,7 @@
                                             <!-- <li class="divider"></li> --!>
 
                                 <div class="row">
-                                    <div class="col-md-4">
+                                    <div class="col-md-5">
                                         {% if project %}
                                             <h3><a href="/projects/{{project.id}}">
                                                     <span class="glyphicon glyphicon-book" aria-hidden="true"></span>
@@ -163,14 +163,25 @@
                                             </h3>
                                         {% endif %}
                                     </div>
-                                    <div class="col-md-4">
+                                    <div class="col-md-5">
+                                        <h3>
+                                            <span class="glyphicon glyphicon-user" aria-hidden="true"></span>
+                                            Author(s): 
+                                        </h3>
+                                        <h4>
+                                            <div class="row"> 
+                                                <span class="glyphicon glyphicon-hand-right" aria-hidden="true"></span>
+                                                {{ user.username | truncatechars:15}} 
                                             </div>
-                                    <div class="col-md-4">
-                                        <br>
-                                        <!-- <a class="btn btn-default" role="button" href="/project/{{project.id}}/corpus/{{corpus.id}}/{{view}}/update">Update</a> -->
-                                        <!--
-                                        <a class="btn btn-default" role="button" href="/project/{{project.id}}/corpus/{{ corpus.id }}/corpus.csv">Download</a>
+                                        </h4>
+                                    </div>
+                                    <div class="col-md-1">
+                                        <div class="row"><br>
                                         
+                                            <a class="btn btn-default" role="button" href="/api/nodes?parent_id={{corpus.id}}&types[]=DOCUMENT&pagination_limit=100000&formated=csv">Download</a>
+                                            <!--<a class="btn btn-default" role="button" href="/project/{{project.id}}/corpus/{{corpus.id}}/{{view}}/update">Update</a>--!>
+
+                                            <!--
                                             <a type="button" class="btn btn-default" data-container="body" data-toggle="popover" data-placement="bottom"
                                                 data-content='
                                                         <ul>
@@ -179,8 +190,9 @@
                                                             <li><a href="/delete/{{corpus.id}}">Delete</a></li>
                                                         </ul>
                                                         '>Manage</a>
-                                        -->
-                                        <!-- <a class="btn btn-primary btn-lg" role="button" href="/admin/documents/corpus/{{ corpus.id }}/">Add documents</a></p> -->
+                                            
+                                                <a class="btn btn-primary btn-lg" role="button" href="/admin/documents/corpus/{{ corpus.id }}/">Add documents</a></p> 
+                                            --!>
                                         </div>
                                     </div>
                                 </div>