[SILO-596] Add missing fields in published apps endpoint (#4421)

* add new fields to get marketplace apps + fix fixtures

* rename application count field

apps/api/plane/authentication/fixtures/application_categories.json

@@ -145,7 +145,7 @@
   },
   {
     "model": "authentication.applicationcategory",
-    "pk": "6f778616-3839-4910-8626-aa6948556826",
+    "pk": "6ab2cc94-4c88-4c69-bd9e-f22970b04e6a",
     "fields": {
       "created_at": "2024-01-09T10:22:30.575Z",
       "updated_at": "2024-01-09T10:22:30.575Z",
@@ -161,7 +161,7 @@
   },
   {
     "model": "authentication.applicationcategory",
-    "pk": "6f778616-3839-4910-8626-aa6948556826",
+    "pk": "4e2a4e83-70fa-4d95-8ca3-41ffdd342f75",
     "fields": {
       "created_at": "2024-01-09T10:22:30.575Z",
       "updated_at": "2024-01-09T10:22:30.575Z",

apps/api/plane/marketplace/serializers/application.py

@@ -28,6 +28,10 @@ class PublishedApplicationSerializer(serializers.ModelSerializer):
             "configuration_url",
             "video_url",
             "attachments",
+            "supported_environments",
+            "supported_plans",
+            "links",
+            "website",
         ]
 
     def get_attachments(self, obj):
@@ -45,9 +49,14 @@ class PublishedApplicationSerializer(serializers.ModelSerializer):
 
 
 class ApplicationCategorySerializer(serializers.ModelSerializer):
+    applications_count = serializers.SerializerMethodField()
     class Meta:
         model = ApplicationCategory
-        fields = ["id", "name", "description", "logo_props", "is_active"]
+        fields = ["id", "name", "description", "logo_props", "is_active", "applications_count"]
+
+    def get_applications_count(self, obj):
+        # send only count of applications that are published
+        return obj.applications.filter(published_at__isnull=False).count()
 
 
 class ApplicationTemplateMetaSerializer(serializers.ModelSerializer):