feat: implement proxy management endpoints and MongoDB integration

app/api/proxy/router.py

@@ -1,4 +1,13 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, HTTPException, status
+
+from models.proxy import ProxyCreateInput, ProxyUpdateInput
+from utils.proxy.manager import (
+    create_proxy,
+    delete_proxy,
+    get_proxy_by_port,
+    list_proxies as list_proxy_documents,
+    update_proxy,
+)
 
 router = APIRouter(
     prefix="/proxy",
@@ -7,15 +16,45 @@ router = APIRouter(
 
 
 @router.get("/")
-async def list_proxies():
-    return
+async def list_proxies_handler():
+    return await list_proxy_documents()
 
 
-@router.post("/")
-async def create_proxy():
-    return
+@router.get("/{proxy_port}/")
+async def get_proxy(proxy_port: int):
+    proxy = await get_proxy_by_port(proxy_port)
+    if proxy is None:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Proxy not found")
+    return proxy
+
+
+@router.post("/", status_code=status.HTTP_201_CREATED)
+async def create_proxy_handler(payload: ProxyCreateInput):
+    existing_proxy = await get_proxy_by_port(payload.proxy_port)
+    if existing_proxy is not None:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT,
+            detail=f"Proxy already exists on port {payload.proxy_port}",
+        )
+
+    return await create_proxy(
+        proxy_port=payload.proxy_port,
+        name=payload.name,
+        service={"address": payload.service.address, "port": payload.service.port},
+        code=payload.code,
+    )
 
 
 @router.put("/{proxy_port}/")
-async def edit_proxy():
-    return
+async def edit_proxy(proxy_port: int, payload: ProxyUpdateInput):
+    updated_proxy = await update_proxy(proxy_port, payload)
+    if updated_proxy is None:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Proxy not found")
+    return updated_proxy
+
+
+@router.delete("/{proxy_port}/", status_code=status.HTTP_204_NO_CONTENT)
+async def remove_proxy(proxy_port: int):
+    deleted = await delete_proxy(proxy_port)
+    if not deleted:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Proxy not found")