[FEAT] Mail notification when graph computation is over.

graph/graph.py

@@ -4,15 +4,16 @@ from gargantext.util.lists        import WeightedMatrix, UnweightedList, Transla
 from gargantext.util.http         import JsonHttpResponse
 from gargantext.models            import Node, Ngram, NodeNgram, NodeNgramNgram, NodeHyperdata
 
-from graph.cooccurrences  import countCooccurrences
-from graph.distances      import clusterByDistances
-from graph.bridgeness     import filterByBridgeness
+from graph.cooccurrences          import countCooccurrences
+from graph.distances              import clusterByDistances
+from graph.bridgeness             import filterByBridgeness
+from graph.mail_notification      import notify_owner
 
-from gargantext.util.scheduling import scheduled
-from gargantext.constants import graph_constraints
+from gargantext.util.scheduling   import scheduled
+from gargantext.constants         import graph_constraints
 
-from celery               import shared_task
-from datetime             import datetime
+from celery                       import shared_task
+from datetime                     import datetime
 
 
 @shared_task
@@ -73,6 +74,10 @@ def compute_graph( corpus_id=None      , cooc_id=None
         node.hyperdata[distance][bridgeness] = data
         node.save_hyperdata()
         session.commit()
+        
+        print("GRAPH #%d ... Notify by email owner of the graph." % cooc_id)
+        corpus = session.query(Node).filter(Node.id==corpus_id).first()
+        notify_owner(corpus, cooc_id, distance, bridgeness)
 
         print("GRAPH #%d ... Returning data as json." % cooc_id)
         return data

graph/mail_notification.py

+
+from gargantext.models.users import User
+from gargantext.util.db      import session
+from django.core.mail        import send_mail
+from gargantext.settings     import BASE_URL
+
+def notify_owner(corpus,cooc_id,distance,bridgeness):
+    user = session.query(User).filter(User.id == corpus.user_id).first()
+
+    message = '''
+    Bonjour,
+    votre graph vient de se terminer dans votre corpus intitulé:
+                        %s
+
+    Vous pouvez accéder et renommer votre Graph à l'adresse:
+    http://%s/projects/%d/corpora/%d/explorer?cooc_id=%d&distance=%s&bridgeness=%d
+
+    Nous restons à votre disposition pour tout complément d'information.
+    Cordialement
+    --
+        L'équipe de Gargantext (CNRS)
+
+    ''' % (corpus.name, BASE_URL, corpus.parent_id, corpus.id, cooc_id, distance, bridgeness)
+    
+    if user.email != "" :
+        send_mail('[Gargantext] Votre Graph est calculé'
+                 , message
+                 , 'team@gargantext.org'
+                 , [user.email], fail_silently=False )
+    else:
+        print("User %s (%d), has no email" % (user.username, user.id) )
+
+
+