[MOBIL-707] chore: update instance version details and enforce minimum supported backend version (#2414)

* chore: current instance query and updated the min self hosted version

* chore: typo and handled version data optional

apiserver/plane/graphql/queries/instance.py

@@ -0,0 +1,29 @@
+# Third-Party Imports
+import strawberry
+
+# Python Standard Library Imports
+from asgiref.sync import sync_to_async
+
+# Strawberry Imports
+from strawberry.types import Info
+from strawberry.exceptions import GraphQLError
+
+# Module Imports
+from plane.graphql.permissions.public import public_query
+from plane.graphql.types.instance import InstanceType
+from plane.license.models import Instance
+
+
+@strawberry.type
+class InstanceQuery:
+    @strawberry.field
+    @public_query()
+    async def instance(self, info: Info) -> InstanceType:
+        instance = await sync_to_async(Instance.objects.first)()
+
+        if not instance:
+            message = "Instance not found"
+            error_extensions = {"code": "INSTANCE_NOT_FOUND", "statusCode": 404}
+            raise GraphQLError(message, extensions=error_extensions)
+
+        return instance

apiserver/plane/graphql/queries/version_check.py

@@ -44,4 +44,7 @@ class VersionCheckQuery:
             min_supported_version=version_details["min_supported_version"],
             url=version_details["url"],
             force_update=version_details["force_update"],
+            min_supported_backend_version=version_details[
+                "min_backend_supported_version"
+            ],
         )

apiserver/plane/graphql/schema.py

@@ -53,6 +53,7 @@ from .queries.feature_flag import FeatureFlagQuery
 from .queries.version_check import VersionCheckQuery
 from .queries.timezone import TimezoneListQuery
 from .queries.asset import WorkspaceAssetQuery, ProjectAssetQuery
+from .queries.instance import InstanceQuery
 
 # mutations
 from .mutations.workspace import WorkspaceMutation, WorkspaceInviteMutation
@@ -151,6 +152,7 @@ class Query(
     TimezoneListQuery,
     WorkspaceAssetQuery,
     ProjectAssetQuery,
+    InstanceQuery,
 ):
     pass
 

apiserver/plane/graphql/types/instance.py

@@ -0,0 +1,12 @@
+# Strawberry imports
+import strawberry_django
+
+# Module Imports
+from plane.license.models import Instance
+
+
+@strawberry_django.type(Instance)
+class InstanceType:
+    instance_name: str
+    current_version: str
+    latest_version: str

apiserver/plane/graphql/types/version_check.py

@@ -1,10 +1,14 @@
+# Python imports
+from typing import Optional
+
 # Strawberry imports
 import strawberry
 
 
 @strawberry.type
 class VersionCheckType:
-    version: str
-    min_supported_version: str
-    url: str
+    version: Optional[str]
+    min_supported_version: Optional[str]
+    url: Optional[str]
     force_update: bool
+    min_supported_backend_version: Optional[str]

apiserver/plane/graphql/views.py

@@ -12,7 +12,6 @@ from django.views.decorators.csrf import csrf_exempt
 from asgiref.sync import sync_to_async
 from rest_framework_simplejwt.authentication import JWTAuthentication
 from rest_framework_simplejwt.exceptions import InvalidToken, TokenError
-from graphql import parse
 
 # Strawberry imports
 from strawberry.django.views import AsyncGraphQLView
@@ -98,7 +97,7 @@ class CustomGraphQLView(AsyncGraphQLView):
         return None
 
     def is_public_operation(self, query_name: str) -> bool:
-        auth_neglect_list = ["VersionCheckQuery"]
+        auth_neglect_list = ["VersionCheckQuery", "InstanceQuery"]
 
         if query_name in auth_neglect_list:
             return True