feat: added competition logic

services/backend/api/v1/competition/schemas.py

@@ -1,8 +1,9 @@
+from typing import Literal
 from uuid import UUID
 
-from ninja import ModelSchema
+from ninja import ModelSchema, Schema
 
-from apps.competition.models import Competition
+from apps.competition.models import Competition, State
 
 
 class CompetitionOut(ModelSchema):
@@ -12,12 +13,31 @@ class CompetitionOut(ModelSchema):
         model = Competition
         fields = "__all__"
 
+class StateOut(ModelSchema):
+    class Meta:
+        model = State
+        fields = (
+            "state",
+        )
+
+class StateIn(Schema):
+    state: Literal["started", "not_started", "finished"]
 
 class CompetitionListInstanceOut(ModelSchema):
     id: UUID
     is_participating: bool
     completed: bool
 
+    @staticmethod
+    def resolve_is_participating(self, context):
+        user = context["request"].auth
+        return self.participants.filter(id=user.id).exists()
+
+    @staticmethod
+    def resolve_completed(self, context):
+        user = context["request"].auth
+        return State.objects.filter(competition=self, user=user, state="finished").exists()
+
     class Meta:
         model = Competition
         fields = (

services/backend/api/v1/competition/views.py

@@ -1,12 +1,14 @@
 from http import HTTPStatus as status
+from typing import Literal
 from uuid import UUID
-
-from django.http import HttpRequest
+from django.shortcuts import get_object_or_404
+from django.http import HttpRequest, Http404
 from ninja import Router
 
 import api.v1.schemas as global_schemas
 from api.v1.auth import BearerAuth
 from api.v1.competition import schemas
+from apps.competition.models import Competition, State
 
 router = Router(tags=["competition"])
 
@@ -18,11 +20,12 @@ router = Router(tags=["competition"])
         status.BAD_REQUEST: global_schemas.BadRequestError,
         status.UNAUTHORIZED: global_schemas.UnauthorizedError,
     },
-    auth=BearerAuth(),
 )
 def get_competition(
     request: HttpRequest, competition_id: UUID
-) -> tuple[status, schemas.CompetitionOut]: ...
+) -> tuple[status, schemas.CompetitionOut]:
+    competition = get_object_or_404(Competition, id=competition_id)
+    return status.OK, competition
 
 
 @router.get(
@@ -32,8 +35,36 @@ def get_competition(
         status.BAD_REQUEST: global_schemas.BadRequestError,
         status.UNAUTHORIZED: global_schemas.UnauthorizedError,
     },
-    auth=BearerAuth(),
 )
 def list_competitions(
     request: HttpRequest, is_participating: bool
-) -> tuple[status, list[schemas.CompetitionListInstanceOut]]: ...
+) -> tuple[status, list[schemas.CompetitionListInstanceOut]]:
+    user = request.auth
+    if is_participating:
+        competitions = Competition.objects.filter(participants=user)
+    else:
+        competitions = Competition.objects.exclude(participants=user)
+    return status.OK, competitions
+
+@router.post(
+    "competitions/{competition_id}/state",
+    response={
+        status.OK: schemas.StateOut,
+        status.BAD_REQUEST: global_schemas.BadRequestError,
+        status.UNAUTHORIZED: global_schemas.UnauthorizedError,
+    }
+)
+def change_competition_state(
+    request: HttpRequest,
+    competition_id: UUID,
+    state: schemas.StateIn,
+) -> tuple[status, schemas.StateOut]:
+    user = request.auth
+    competition = get_object_or_404(Competition, id=competition_id)
+
+    state_obj, _ = State.objects.update_or_create(
+        user=user,
+        competition=competition,
+        state=state.state
+    )
+    return status.OK, schemas.StateOut.from_orm(state_obj)