feat(users): add paginated admin metadata APIs

2026-06-14 00:03:27 +03:30
parent 0151497385
commit 20e7a04e59
3 changed files with 262 additions and 9 deletions
--- a/apps/users/api/meta.py
+++ b/apps/users/api/meta.py
@@ -1,15 +1,209 @@
-from ninja import Router
+from django.db.models import Q
+from ninja import Query, Router, Schema

 from apps.users.models import Major, University
+from core.api.schemas import ErrorSchema, MessageSchema
+from core.authentication import jwt_auth

 meta_router = Router(tags=['meta'])

-@meta_router.get("/majors")
-def list_majors(request):
-    majors = Major.objects.filter(is_deleted=False, is_active=True).order_by("name")
-    return [{"id": m.id, "code": m.code, "label": m.name} for m in majors]

-@meta_router.get("/universities")
-def list_universities(request):
-    universities = University.objects.filter(is_deleted=False, is_active=True).order_by("name")
-    return [{"id": u.id, "code": u.code, "label": u.name} for u in universities]
+class MetaOptionSchema(Schema):
+    id: int
+    code: str
+    label: str
+    is_active: bool = True
+    user_count: int = 0
+
+
+class PagedMetaOptionSchema(Schema):
+    count: int
+    results: list[MetaOptionSchema]
+
+
+class MetaOptionWriteSchema(Schema):
+    code: str
+    name: str
+    is_active: bool = True
+
+
+def _is_staff(user):
+    return bool(user and (user.is_staff or user.is_superuser))
+
+
+def _option_payload(obj, user_count=0):
+    return {
+        "id": obj.id,
+        "code": obj.code,
+        "label": obj.name,
+        "is_active": obj.is_active,
+        "user_count": user_count,
+    }
+
+
+def _list_options(model, search, limit, offset, active_only=True):
+    queryset = model.objects.filter(is_deleted=False).order_by("name")
+    if active_only:
+        queryset = queryset.filter(is_active=True)
+    if search:
+        queryset = queryset.filter(Q(code__icontains=search) | Q(name__icontains=search))
+    count = queryset.count()
+    return count, list(queryset[offset : offset + limit])
+
+
+@meta_router.get("/majors", response=PagedMetaOptionSchema)
+def list_majors(
+    request,
+    search: str | None = Query(None),
+    limit: int = Query(20, ge=1, le=100),
+    offset: int = Query(0, ge=0),
+):
+    count, majors = _list_options(Major, search, limit, offset)
+    return {"count": count, "results": [_option_payload(m) for m in majors]}
+
+
+@meta_router.get("/universities", response=PagedMetaOptionSchema)
+def list_universities(
+    request,
+    search: str | None = Query(None),
+    limit: int = Query(20, ge=1, le=100),
+    offset: int = Query(0, ge=0),
+):
+    count, universities = _list_options(University, search, limit, offset)
+    return {"count": count, "results": [_option_payload(u) for u in universities]}
+
+
+@meta_router.get("/admin/majors", response={200: PagedMetaOptionSchema, 403: ErrorSchema}, auth=jwt_auth)
+def admin_list_majors(
+    request,
+    search: str | None = Query(None),
+    limit: int = Query(20, ge=1, le=100),
+    offset: int = Query(0, ge=0),
+):
+    if not _is_staff(request.auth):
+        return 403, {"error": "Permission denied"}
+    count, majors = _list_options(Major, search, limit, offset, active_only=False)
+    return 200, {
+        "count": count,
+        "results": [_option_payload(m, m.users.filter(is_deleted=False).count()) for m in majors],
+    }
+
+
+@meta_router.post("/admin/majors", response={201: MetaOptionSchema, 403: ErrorSchema, 400: ErrorSchema}, auth=jwt_auth)
+def admin_create_major(request, payload: MetaOptionWriteSchema):
+    if not _is_staff(request.auth):
+        return 403, {"error": "Permission denied"}
+    if Major.all_objects.filter(code=payload.code).exists():
+        return 400, {"error": "Major code already exists"}
+    major = Major.objects.create(code=payload.code.strip(), name=payload.name.strip(), is_active=payload.is_active)
+    return 201, _option_payload(major)
+
+
+@meta_router.put("/admin/majors/{int:item_id}", response={200: MetaOptionSchema, 403: ErrorSchema, 400: ErrorSchema}, auth=jwt_auth)
+def admin_update_major(request, item_id: int, payload: MetaOptionWriteSchema):
+    if not _is_staff(request.auth):
+        return 403, {"error": "Permission denied"}
+    try:
+        major = Major.objects.get(id=item_id)
+    except Major.DoesNotExist:
+        return 400, {"error": "Major not found"}
+    conflict = Major.all_objects.filter(code=payload.code).exclude(id=item_id).exists()
+    if conflict:
+        return 400, {"error": "Major code already exists"}
+    major.code = payload.code.strip()
+    major.name = payload.name.strip()
+    major.is_active = payload.is_active
+    major.save(update_fields=["code", "name", "is_active", "updated_at"])
+    return 200, _option_payload(major, major.users.filter(is_deleted=False).count())
+
+
+@meta_router.delete("/admin/majors/{int:item_id}", response={200: MessageSchema, 403: ErrorSchema, 400: ErrorSchema}, auth=jwt_auth)
+def admin_delete_major(request, item_id: int):
+    if not request.auth.is_superuser:
+        return 403, {"error": "Only superusers can delete majors"}
+    try:
+        major = Major.objects.get(id=item_id)
+    except Major.DoesNotExist:
+        return 400, {"error": "Major not found"}
+    major.delete()
+    return 200, {"message": "Major deleted"}
+
+
+@meta_router.post("/admin/majors/{int:item_id}/restore", response={200: MessageSchema, 403: ErrorSchema, 400: ErrorSchema}, auth=jwt_auth)
+def admin_restore_major(request, item_id: int):
+    if not request.auth.is_superuser:
+        return 403, {"error": "Only superusers can restore majors"}
+    try:
+        major = Major.deleted_objects.get(id=item_id)
+    except Major.DoesNotExist:
+        return 400, {"error": "Major not found"}
+    major.restore()
+    return 200, {"message": "Major restored"}
+
+
+@meta_router.get("/admin/universities", response={200: PagedMetaOptionSchema, 403: ErrorSchema}, auth=jwt_auth)
+def admin_list_universities(
+    request,
+    search: str | None = Query(None),
+    limit: int = Query(20, ge=1, le=100),
+    offset: int = Query(0, ge=0),
+):
+    if not _is_staff(request.auth):
+        return 403, {"error": "Permission denied"}
+    count, universities = _list_options(University, search, limit, offset, active_only=False)
+    return 200, {
+        "count": count,
+        "results": [_option_payload(u, u.users.filter(is_deleted=False).count()) for u in universities],
+    }
+
+
+@meta_router.post("/admin/universities", response={201: MetaOptionSchema, 403: ErrorSchema, 400: ErrorSchema}, auth=jwt_auth)
+def admin_create_university(request, payload: MetaOptionWriteSchema):
+    if not _is_staff(request.auth):
+        return 403, {"error": "Permission denied"}
+    if University.all_objects.filter(code=payload.code).exists():
+        return 400, {"error": "University code already exists"}
+    university = University.objects.create(code=payload.code.strip(), name=payload.name.strip(), is_active=payload.is_active)
+    return 201, _option_payload(university)
+
+
+@meta_router.put("/admin/universities/{int:item_id}", response={200: MetaOptionSchema, 403: ErrorSchema, 400: ErrorSchema}, auth=jwt_auth)
+def admin_update_university(request, item_id: int, payload: MetaOptionWriteSchema):
+    if not _is_staff(request.auth):
+        return 403, {"error": "Permission denied"}
+    try:
+        university = University.objects.get(id=item_id)
+    except University.DoesNotExist:
+        return 400, {"error": "University not found"}
+    conflict = University.all_objects.filter(code=payload.code).exclude(id=item_id).exists()
+    if conflict:
+        return 400, {"error": "University code already exists"}
+    university.code = payload.code.strip()
+    university.name = payload.name.strip()
+    university.is_active = payload.is_active
+    university.save(update_fields=["code", "name", "is_active", "updated_at"])
+    return 200, _option_payload(university, university.users.filter(is_deleted=False).count())
+
+
+@meta_router.delete("/admin/universities/{int:item_id}", response={200: MessageSchema, 403: ErrorSchema, 400: ErrorSchema}, auth=jwt_auth)
+def admin_delete_university(request, item_id: int):
+    if not request.auth.is_superuser:
+        return 403, {"error": "Only superusers can delete universities"}
+    try:
+        university = University.objects.get(id=item_id)
+    except University.DoesNotExist:
+        return 400, {"error": "University not found"}
+    university.delete()
+    return 200, {"message": "University deleted"}
+
+
+@meta_router.post("/admin/universities/{int:item_id}/restore", response={200: MessageSchema, 403: ErrorSchema, 400: ErrorSchema}, auth=jwt_auth)
+def admin_restore_university(request, item_id: int):
+    if not request.auth.is_superuser:
+        return 403, {"error": "Only superusers can restore universities"}
+    try:
+        university = University.deleted_objects.get(id=item_id)
+    except University.DoesNotExist:
+        return 400, {"error": "University not found"}
+    university.restore()
+    return 200, {"message": "University restored"}