Hotfix allauth deprecation clipper

avisstage/allauth_adapter.py

@@ -1,5 +1,6 @@
 from allauth.account.adapter import DefaultAccountAdapter
-from allauth_ens.adapter import LongTermClipperAccountAdapter
+from allauth.socialaccount.models import SocialAccount
+from allauth_ens.adapter import LongTermClipperAccountAdapter, get_ldap_infos
 
 class AccountAdapter(DefaultAccountAdapter):
     def is_open_for_signup(self, request):
@@ -18,3 +19,39 @@ class SocialAccountAdapter(LongTermClipperAccountAdapter):
         # See https://github.com/pennersr/django-allauth/blob/master/allauth/socialaccount/adapter.py
         return super().is_open_for_signup(request, sociallogin)
 
+
+    # TODO : HOTFIX pour un bug d'allauth_ens
+    # On remplace la déduplication des comptes faites avec "entrance_year"
+    # par une déduplication sur le nom d'utilisateur
+    # (Copié de allauth_ens)
+    def pre_social_login(self, request, sociallogin):
+        if sociallogin.account.provider != "clipper":
+            return super(LongTermClipperAccountAdapter,
+                         self).pre_social_login(request, sociallogin)
+
+        clipper_uid = sociallogin.account.uid
+        try:
+            old_conn = SocialAccount.objects.get(provider='clipper_inactive',
+                                                 uid=clipper_uid)
+        except SocialAccount.DoesNotExist:
+            return
+
+        ldap_data = get_ldap_infos(clipper_uid)
+        sociallogin._ldap_data = ldap_data
+
+        if ldap_data is None or 'entrance_year' not in ldap_data:
+            raise ValueError("No entrance year in LDAP data")
+
+        old_conn_username = old_conn.user.username
+
+        # HOTFIX ICI
+        if self.get_username(clipper_uid, ldap_data) != old_conn_username:
+            email = ldap_data.get('email', get_clipper_email(clipper_uid))
+            remove_email(old_conn.user, email)
+
+            return
+
+        old_conn.provider = 'clipper'
+        old_conn.save()
+
+        sociallogin.lookup()