fix: handle nullable Gitea issue metadata (#50)

src/main.py

@@ -86,7 +86,7 @@ async def context() -> JSONResponse:
         if isinstance(r, dict)
     ]
     issue_models = [
-        Issue(id=i["id"], number=i["number"], title=i["title"], state=i["state"], labels=[l.get("name", "") for l in i.get("labels", [])], assignees=[a.get("login", "") for a in i.get("assignees", [])], url=i["html_url"])
+        Issue(id=i["id"], number=i["number"], title=i["title"], state=i["state"], labels=[l.get("name", "") for l in (i.get("labels") or [])], assignees=[a.get("login", "") for a in (i.get("assignees") or [])], url=i["html_url"])
         for i in issues_data[:50]
         if isinstance(i, dict)
     ]
@@ -96,14 +96,7 @@ async def context() -> JSONResponse:
         if isinstance(p, dict)
     ]
     ctx = compute(user_model, repo_models, issue_models, pr_models)
-    return JSONResponse({
-        "user": ctx.user.dict(),
-        "repos": [r.dict() for r in ctx.repos],
-        "issues": [i.dict() for i in ctx.issues],
-        "pull_requests": [p.dict() for p in ctx.pull_requests],
-        "view": ctx.view,
-        "deltas": [d.dict() for d in ctx.deltas],
-    })
+    return JSONResponse(ctx.model_dump())
 
 
 @app.get("/api/v1/events")

src/models.py

@@ -36,17 +36,17 @@ class PullRequest(BaseModel):
     url: str
 
 
+class SuggestionDelta(BaseModel):
+    panel: str
+    action: str
+    target: str = ""
+    priority: str = "medium"
+
+
 class ViewContext(BaseModel):
     user: User
     repos: list[Repo] = []
     issues: list[Issue] = []
     pull_requests: list[PullRequest] = []
     view: str = "dashboard"
-    deltas: list[dict] = []
-
-
-class SuggestionDelta(BaseModel):
-    panel: str
-    action: str
-    target: str = ""
-    priority: str = "medium"
+    deltas: list[SuggestionDelta] = []

tests/test_context_timeout.py

@@ -1,4 +1,5 @@
 import asyncio
+import json
 
 import pytest
 
@@ -30,4 +31,35 @@ async def test_context_returns_fallback_when_gitea_exceeds_deadline(monkeypatch)
     assert response.headers["retry-after"] == "1"
     assert b'"repos":[]' in response.body
     assert b'"error":"Gitea context request timed out after 0.01s"' in response.body
-    assert cancelled.is_set()
+    assert cancelled.is_set()
+
+
+@pytest.mark.anyio
+async def test_context_normalizes_nullable_issue_collections(monkeypatch):
+    async def user():
+        return {"id": 1, "login": "timmy"}
+
+    async def empty_collection():
+        return []
+
+    async def issue_collection():
+        return [{
+            "id": 50,
+            "number": 50,
+            "title": "Nullable metadata",
+            "state": "open",
+            "labels": None,
+            "assignees": None,
+            "html_url": "https://forge.example/issues/50",
+        }]
+
+    monkeypatch.setattr(main, "current_user", user)
+    monkeypatch.setattr(main, "repos", empty_collection)
+    monkeypatch.setattr(main, "issues", issue_collection)
+    monkeypatch.setattr(main, "pull_requests", empty_collection)
+
+    response = await main.context()
+    issue = json.loads(response.body)["issues"][0]
+
+    assert issue["labels"] == []
+    assert issue["assignees"] == []