Taiga integration

backend/app/api/routes/projects.py

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+from typing import Any
+
+from fastapi import APIRouter, Depends, HTTPException
+from pydantic import BaseModel, Field
+from sqlalchemy.orm import Session
+
+from app.db.base import get_db
+from app.projects.service import ProjectService
+
+router = APIRouter()
+
+
+class GiteaBinding(BaseModel):
+    gitea_owner: str = Field(min_length=1)
+    gitea_repo: str = Field(min_length=1)
+    default_branch: str = "main"
+
+
+class WorkItemCreate(BaseModel):
+    text: str = Field(min_length=1)
+    project_slug: str | None = None
+
+
+@router.get("/projects")
+def list_projects(db: Session = Depends(get_db)) -> list[dict[str, Any]]:
+    return ProjectService(db).list_projects()
+
+
+@router.post("/projects/sync-taiga")
+def sync_taiga_projects(db: Session = Depends(get_db)) -> list[dict[str, Any]]:
+    try:
+        return ProjectService(db).sync_taiga_projects()
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+
+
+@router.put("/projects/{taiga_slug}/gitea")
+def bind_gitea(
+    taiga_slug: str,
+    payload: GiteaBinding,
+    db: Session = Depends(get_db),
+) -> dict[str, Any]:
+    try:
+        return ProjectService(db).bind_gitea(
+            taiga_slug,
+            payload.gitea_owner,
+            payload.gitea_repo,
+            payload.default_branch,
+        )
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+
+
+@router.post("/work-items")
+async def create_work_item(
+    payload: WorkItemCreate,
+    db: Session = Depends(get_db),
+) -> dict[str, Any]:
+    try:
+        return await ProjectService(db).create_work_item(
+            payload.text,
+            project_slug=payload.project_slug,
+        )
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+    except Exception as exc:
+        raise HTTPException(status_code=502, detail=str(exc)) from exc
+
+
+@router.get("/work-items")
+def list_work_items(
+    limit: int = 30,
+    status: str | None = None,
+    db: Session = Depends(get_db),
+) -> list[dict[str, Any]]:
+    return ProjectService(db).list_work_items(limit=limit, status=status)