[FEAT] Corpus can be saved as csv file.

gargantext_web/urls.py

@@ -17,27 +17,30 @@ urlpatterns = patterns('',
     url(r'^login/', include(admin.site.urls)),
     url(r'^grappelli/', include('grappelli.urls')),
     
-    # User views
+    # User Home view
     url(r'^$', views.home),
     
+    # Project Management
     url(r'^projects/$', views.projects),
     url(r'^project/(\d+)/delete/$', views.delete_project),
-    
     url(r'^project/(\d+)/$', views.project),
     
+    # Corpus management
     url(r'^project/(\d+)/corpus/(\d+)/$', views.corpus),
     url(r'^project/(\d+)/corpus/(\d+)/delete/$', views.delete_corpus),
+    url(r'^project/(\d+)/corpus/(\d+)/corpus.csv$', views.corpus_csv),
     
     # Visualizations
     url(r'^corpus/(\d+)/explorer$', views.explorer_graph),
     url(r'^corpus/(\d+)/matrix$', views.explorer_matrix),
     
-    # Getting data
+    # Data management
     url(r'^chart/corpus/(\d+)/data.csv$', views.send_csv),
     url(r'^corpus/(\d+)/node_link.json$', views.node_link),
     url(r'^corpus/(\d+)/adjacency.json$', views.adjacency),
     url(r'^api/tfidf/(\d+)/(\w+)$', views.tfidf),
 
+    # Data management
     url(r'^api$', gargantext_web.api.Root),
     url(r'^api/nodes/(\d+)/children/metadata$', gargantext_web.api.NodesChildrenMetatadata.as_view()),
     url(r'^api/nodes/(\d+)/children/queries$', gargantext_web.api.NodesChildrenQueries.as_view()),
@@ -46,7 +49,6 @@ urlpatterns = patterns('',
     
     url(r'^api/nodes/(\d+)/ngrams$', gargantext_web.api.CorpusController.ngrams),
 
-    url(r'^graph-it$', views.graph_it),
     url(r'^ngrams$', views.ngrams),
     url(r'^nodeinfo/(\d+)$', views.nodeinfo),
     url(r'^tests/mvc$', views.tests_mvc),

gargantext_web/views.py

@@ -426,6 +426,36 @@ def explorer_chart(request):
 import csv
 from django.db import connection
 
+def corpus_csv(request, project_id, corpus_id):
+    '''
+    Create the HttpResponse object with the appropriate CSV header.
+    '''
+    response = HttpResponse(content_type='text/csv')
+    response['Content-Disposition'] = 'attachment; filename="corpus.csv"'
+
+    writer = csv.writer(response)
+
+    corpus = Node.objects.get(id=corpus_id)
+    type_document = NodeType.objects.get(name="Document")
+    documents = Node.objects.filter(parent=corpus, type=type_document)
+
+    keys = list(documents[0].metadata.keys())
+    writer.writerow(keys)
+
+    for doc in documents:
+        data = list()
+        for key in keys:
+            try:
+                data.append(doc.metadata[key])
+            except:
+                data.append("")
+        writer.writerow(data)
+
+
+    return response
+
+
+
 def send_csv(request, corpus_id):
     '''
     Create the HttpResponse object with the appropriate CSV header.

templates/corpus.html

@@ -31,8 +31,8 @@
 								, Created on {{ corpus.date }} ({{ number}} docs)</p>
 							{% endif %}
 
-						<a class="btn btn-primary btn-lg" role="button" href="/admin/documents/corpus/{{ corpus.pk }}/">Import</a> 
-						<a class="btn btn-primary btn-lg" role="button" href="/admin/documents/corpus/{{ corpus.pk }}/">Export</a>
+							<!--						<a class="btn btn-primary btn-lg" role="button" href="/admin/documents/corpus/{{ corpus.pk }}/">Add file</a> --!>
+						<a class="btn btn-primary btn-lg" role="button" href="/project/{{project.pk}}/corpus/{{ corpus.pk }}/corpus.csv">Save as</a>
 						<a class="btn btn-primary btn-lg" role="button" href="/project/{{project.pk}}/corpus/{{ corpus.pk }}/delete">Delete</a></p>
 
 						{% if number == 0 %}