major refactor

core/api/main.py

@@ -0,0 +1,98 @@
+"""
+MPR FastAPI Application
+
+Serves GraphQL API and Lambda callback endpoint.
+"""
+
+import os
+import sys
+from typing import Optional
+from uuid import UUID
+
+# Add project root to path
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+
+# Initialize Django before importing models
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "admin.mpr.settings")
+
+import django
+
+django.setup()
+
+from fastapi import FastAPI, Header, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+from strawberry.fastapi import GraphQLRouter
+
+from core.api.graphql import schema as graphql_schema
+
+CALLBACK_API_KEY = os.environ.get("CALLBACK_API_KEY", "")
+
+app = FastAPI(
+    title="MPR API",
+    description="Media Processor — GraphQL API",
+    version="0.1.0",
+    docs_url="/docs",
+    redoc_url="/redoc",
+)
+
+# CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["http://mpr.local.ar", "http://localhost:5173"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# GraphQL
+graphql_router = GraphQLRouter(schema=graphql_schema, graphql_ide="graphiql")
+app.include_router(graphql_router, prefix="/graphql")
+
+
+@app.get("/")
+def root():
+    """API root."""
+    return {
+        "name": "MPR API",
+        "version": "0.1.0",
+        "graphql": "/graphql",
+    }
+
+
+@app.post("/api/jobs/{job_id}/callback")
+def job_callback(
+    job_id: UUID,
+    payload: dict,
+    x_api_key: Optional[str] = Header(None),
+):
+    """
+    Callback endpoint for Lambda to report job completion.
+    Protected by API key.
+    """
+    if CALLBACK_API_KEY and x_api_key != CALLBACK_API_KEY:
+        raise HTTPException(status_code=403, detail="Invalid API key")
+
+    from django.utils import timezone
+
+    from core.db import get_job, update_job
+
+    try:
+        job = get_job(job_id)
+    except Exception:
+        raise HTTPException(status_code=404, detail="Job not found")
+
+    status = payload.get("status", "failed")
+    fields = {
+        "status": status,
+        "progress": 100.0 if status == "completed" else job.progress,
+    }
+
+    if payload.get("error"):
+        fields["error_message"] = payload["error"]
+
+    if status in ("completed", "failed"):
+        fields["completed_at"] = timezone.now()
+
+    update_job(job, **fields)
+
+    return {"ok": True}