[FIX] Recount must be computed asynchronously.

gargantext/util/toolchain/main.py

@@ -185,7 +185,7 @@ def parse_extract_indexhyperdata(corpus):
     session.commit()
 
 @shared_task
-def recount(corpus):
+def recount(corpus_id):
     """
     Recount essential metrics of the toolchain after group modifications.
 
@@ -203,6 +203,7 @@ def recount(corpus):
 
     NB: no new extraction, no list change, just the metrics
     """
+    corpus = session.query(Node).filter(Node.id==corpus_id).first()
     # 1) we'll need the new groups and mainlist as basis
     group_id = corpus.children("GROUPLIST").first().id
     mainlist_id = corpus.children("MAINLIST").first().id

gargantext/views/api/metrics.py

@@ -2,6 +2,7 @@ from gargantext.util.db_cache   import cache
 from gargantext.util.http       import ValidationException, APIView \
                                      , HttpResponse, JsonHttpResponse
 from gargantext.util.toolchain.main import recount
+from gargantext.util.scheduling import scheduled
 from datetime                   import datetime
 
 class CorpusMetrics(APIView):
@@ -32,7 +33,7 @@ class CorpusMetrics(APIView):
         else:
             t_before = datetime.now()
             # =============
-            recount(corpus)
+            scheduled(recount)(corpus.id)
             # =============
             t_after = datetime.now()