feat: [ACI-742] add badge_incompletion signal and handler for it (#75)

* feat: [ACI-742] add badge_incompletion signal and handler for it

* fix: [ACI-742] remove user fetch from credentials app

* feat: [ACI-742] add user identification

---------

Co-authored-by: Andrii <[email protected]>
Co-authored-by: Volodymyr Bergman <[email protected]>

credentials/apps/badges/services/badge_templates.py

@@ -2,6 +2,7 @@
 
 from ..models import BadgeTemplate
 
+
 def get_badge_template_by_id(badge_template_id):
     try:
         return BadgeTemplate.objects.get(id=badge_template_id)

credentials/apps/badges/signals/handlers.py

@@ -9,8 +9,9 @@
 
 from openedx_events.tooling import OpenEdxPublicSignal, load_all_signals
 
-from .signals import BADGE_PROGRESS_COMPLETE
+from apps.core.api import get_user_by_username
 
+from .signals import BADGE_PROGRESS_COMPLETE, BADGE_PROGRESS_INCOMPLETE
 from ..services.badge_templates import get_badge_template_by_id
 from ..services.user_credentials import create_user_credential
 from ..utils import get_badging_event_types
@@ -51,6 +52,15 @@ def listen_for_completed_badge(sender, username, badge_template_id, **kwargs):
 
     if badge_template.origin == 'openedx':
         create_user_credential(username, badge_template)
-        return
+
+
+@receiver(BADGE_PROGRESS_INCOMPLETE)
+def listen_for_incompleted_badge(sender, username, badge_template_id, **kwargs):  # pylint: disable=unused-argument
+    badge_template = get_badge_template_by_id(badge_template_id)
+    user = get_user_by_username()
 
-    # TODO: add processing for 'credly' origin
+    if badge_template is None:
+        return
+
+    if user is None:
+        return

credentials/apps/badges/signals/signals.py

@@ -1,3 +1,5 @@
+from django.dispatch import Signal
+
 """
 define internal signals:
 - BADGE_REQUIREMENT_FULFILLED - a single specific requirement has finished;
@@ -7,9 +9,5 @@
 
 from django.dispatch import Signal
 
-# Signal that indicates that user finisher all badge template requirements.
-# providing_args=[
-#         'username',  # String usernam of User
-#         'badge_template_id',  # Integer ID of finished badge template
-#     ]
 BADGE_PROGRESS_COMPLETE = Signal()
+BADGE_PROGRESS_INCOMPLETE = Signal()