fix: use CorObserverSynthese to list observer

backend/geonature/core/gn_synthese/routes.py

@@ -43,6 +43,7 @@
 from geonature.core.gn_synthese.models import (
     BibReportsTypes,
     CorAreaSynthese,
+    CorObserverSynthese,
     DefaultsNomenclaturesValue,
     Synthese,
     TSources,
@@ -51,6 +52,9 @@
     TReport,
     SyntheseLogEntry,
 )
+
+from pypnusershub.db import User
+
 from geonature.core.gn_synthese.synthese_config import MANDATORY_COLUMNS
 from geonature.core.gn_synthese.utils.species_sheet import SpeciesSheetUtils
 
@@ -1027,16 +1031,18 @@ def species_observers(scope, cd_ref):
         page = request.args.get("page", 1, int)
 
         taxref_cd_nom_list = SpeciesSheetUtils.get_cd_nom_list_from_cd_ref(cd_ref)
+
         query = (
             db.session.query(
-                func.trim(func.unnest(func.string_to_array(Synthese.observers, ","))).label(
-                    "observer"
-                ),
+                User.id_role,
+                func.concat(User.prenom_role, ' ', User.nom_role).label('observer'),
                 func.min(Synthese.date_min).label("date_min"),
                 func.max(Synthese.date_max).label("date_max"),
                 func.count(Synthese.observers).label("count"),
             )
-            .group_by("observer")
+            .group_by(User.id_role)
+            .join(CorObserverSynthese, CorObserverSynthese.id_synthese == Synthese.id_synthese)
+            .join(User, User.id_role == CorObserverSynthese.id_role)
             .where(Synthese.cd_nom.in_(taxref_cd_nom_list))
         )
         query = SpeciesSheetUtils.get_synthese_query_with_scope(g.current_user, scope, query)