[WEB-2928] feat: Home Quick links CRUD (#6290)

* Crud for wuick links

* Validate quick link existence

* Add custom method for destroy and retrieve

* Add List method

* Remove print statements

* List all the workspace quick links

* Filter by user

apiserver/plane/app/serializers/__init__.py

@@ -19,6 +19,7 @@ from .workspace import (
     WorkspaceMemberAdminSerializer,
     WorkspaceMemberMeSerializer,
     WorkspaceUserPropertiesSerializer,
+    WorkspaceUserLinkSerializer
 )
 from .project import (
     ProjectSerializer,

apiserver/plane/app/serializers/workspace.py

@@ -11,9 +11,13 @@ from plane.db.models import (
     WorkspaceMemberInvite,
     WorkspaceTheme,
     WorkspaceUserProperties,
+    WorkspaceUserLink
 )
 from plane.utils.constants import RESTRICTED_WORKSPACE_SLUGS
 
+# Django imports
+from django.core.validators import URLValidator
+from django.core.exceptions import ValidationError
 
 class WorkSpaceSerializer(DynamicBaseSerializer):
     owner = UserLiteSerializer(read_only=True)
@@ -106,3 +110,25 @@ class WorkspaceUserPropertiesSerializer(BaseSerializer):
         model = WorkspaceUserProperties
         fields = "__all__"
         read_only_fields = ["workspace", "user"]
+
+class WorkspaceUserLinkSerializer(BaseSerializer):
+    class Meta:
+        model = WorkspaceUserLink
+        fields = "__all__"
+        read_only_fields = ["workspace", "owner"]
+
+    def to_internal_value(self, data):
+        url = data.get("url", "")
+        if url and not url.startswith(("http://", "https://")):
+            data["url"] = "http://" + url
+        
+        return super().to_internal_value(data)
+
+    def validate_url(self, value):
+        url_validator = URLValidator()
+        try:
+            url_validator(value)
+        except ValidationError:
+            raise serializers.ValidationError({"error": "Invalid URL format."})
+
+        return value