app/main.py

@@ -3,6 +3,7 @@ from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse
 from sqlmodel.ext.asyncio.session import AsyncSession
 from sqlmodel import select, func, text
+from sqlalchemy.exc import IntegrityError
 from .database import init_db, get_session, engine
 from .models import ErrorLog, ErrorLogCreate, LogStatus, TaskStatusUpdate, RepairTask, RepairTaskCreate, Project, ProjectUpdate
 from .gitea_client import GiteaClient
@@ -163,7 +164,39 @@ async def report_log(log_data: ErrorLogCreate, session: AsyncSession = Depends(g
     )
 
     session.add(new_log)
-    await session.commit()
+    try:
+        await session.commit()
+    except IntegrityError:
+        await session.rollback()
+        # Race condition: another request inserted the same fingerprint concurrently
+        statement = select(ErrorLog).where(ErrorLog.fingerprint == fingerprint)
+        results = await session.exec(statement)
+        existing_log = results.first()
+        if existing_log:
+            if existing_log.status not in [LogStatus.DEPLOYED, LogStatus.FIXED, LogStatus.VERIFIED]:
+                existing_log.error_message = log_data.error.get("message", existing_log.error_message)
+                existing_log.stack_trace = log_data.error.get("stack_trace", existing_log.stack_trace)
+                existing_log.context = log_data.context or existing_log.context
+                existing_log.timestamp = log_data.timestamp or datetime.utcnow()
+                if log_data.commit_hash:
+                    existing_log.commit_hash = log_data.commit_hash
+                session.add(existing_log)
+                await session.commit()
+                await session.refresh(existing_log)
+                return {"message": "Log deduplicated (content updated)", "id": existing_log.id, "status": existing_log.status}
+            existing_log.status = LogStatus.NEW
+            existing_log.error_message = log_data.error.get("message", existing_log.error_message)
+            existing_log.stack_trace = log_data.error.get("stack_trace", existing_log.stack_trace)
+            existing_log.context = log_data.context or existing_log.context
+            existing_log.timestamp = log_data.timestamp or datetime.utcnow()
+            existing_log.retry_count = 0
+            if log_data.commit_hash:
+                existing_log.commit_hash = log_data.commit_hash
+            session.add(existing_log)
+            await session.commit()
+            await session.refresh(existing_log)
+            return {"message": "Regression detected, reopened", "id": existing_log.id}
+        raise
     await session.refresh(new_log)
 
     return {"message": "Log reported", "id": new_log.id}