feat(media): add client and project thumbnails

apps/clients/services/clients.py

@@ -3,7 +3,7 @@ from apps.clients.models import Client
 from apps.workspaces.models import WorkspaceMembership
 
 
-def create_client(user, workspace_id, name, notes=""):
+def create_client(user, workspace_id, name, notes="", thumbnail=None):
     """
     Creates a new client after validating workspace membership and name uniqueness.
     """
@@ -23,12 +23,13 @@ def create_client(user, workspace_id, name, notes=""):
         workspace_id=workspace_id,
         name=name,
         notes=notes,
+        thumbnail=thumbnail,
         created_by=user,
         updated_by=user,
     )
-
-
-def update_client(client, name=None, notes=None):
+
+
+def update_client(client, name=None, notes=None, thumbnail=None, clear_thumbnail=False):
     """
     Updates an existing client while validating name uniqueness within the workspace.
     """
@@ -37,8 +38,20 @@ def update_client(client, name=None, notes=None):
             raise ValidationError({"name": "مشتری با این نام در این فضای کاری وجود دارد."})
         client.name = name
 
-    if notes is not None:
-        client.notes = notes
-
-    client.save(update_fields=["name", "notes", "updated_at"])
-    return client
+    if notes is not None:
+        client.notes = notes
+
+    old_thumbnail_name = client.thumbnail.name if client.thumbnail else None
+    if clear_thumbnail and client.thumbnail:
+        client.thumbnail.delete(save=False)
+        client.thumbnail = None
+
+    if thumbnail is not None:
+        client.thumbnail = thumbnail
+
+    client.save(update_fields=["name", "notes", "thumbnail", "updated_at"])
+    if old_thumbnail_name and client.thumbnail and client.thumbnail.name != old_thumbnail_name:
+        storage = client.thumbnail.storage
+        if storage.exists(old_thumbnail_name):
+            storage.delete(old_thumbnail_name)
+    return client