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backend/api_service/app/main.py

@@ -0,0 +1,75 @@
+"""
+Weibo-HotSign API Service
+Main FastAPI application entry point — account management, task config, signin logs.
+"""
+
+from fastapi import FastAPI, Request
+from fastapi.exceptions import RequestValidationError
+from fastapi.middleware.cors import CORSMiddleware
+from starlette.exceptions import HTTPException as StarletteHTTPException
+
+from shared.response import success_response, error_response
+from api_service.app.routers import accounts, tasks, signin_logs
+
+app = FastAPI(
+    title="Weibo-HotSign API Service",
+    version="1.0.0",
+    docs_url="/docs",
+    redoc_url="/redoc",
+)
+
+# CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["http://localhost:3000", "http://localhost:80"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+# ---- Global exception handlers (unified response format) ----
+
+@app.exception_handler(StarletteHTTPException)
+async def http_exception_handler(request: Request, exc: StarletteHTTPException):
+    return error_response(
+        exc.detail,
+        f"HTTP_{exc.status_code}",
+        status_code=exc.status_code,
+    )
+
+
+@app.exception_handler(RequestValidationError)
+async def validation_exception_handler(request: Request, exc: RequestValidationError):
+    details = [
+        {"field": e["loc"][-1] if e["loc"] else "unknown", "message": e["msg"]}
+        for e in exc.errors()
+    ]
+    return error_response(
+        "Validation failed",
+        "VALIDATION_ERROR",
+        details=details,
+        status_code=400,
+    )
+
+
+# ---- Routers ----
+
+app.include_router(accounts.router)
+app.include_router(tasks.router)
+app.include_router(signin_logs.router)
+
+
+# ---- Health / root ----
+
+@app.get("/")
+async def root():
+    return success_response(
+        {"service": "Weibo-HotSign API Service", "version": "1.0.0"},
+        "Service is running",
+    )
+
+
+@app.get("/health")
+async def health_check():
+    return success_response({"status": "healthy"})