feat: add frontend project to repo

backend/routes/shortener.py

@@ -0,0 +1,34 @@
+from fastapi import APIRouter, HTTPException
+from fastapi.responses import RedirectResponse
+
+from backend.db import database
+from backend.exceptions import ShortcodeNotFound, ShortcodeConflict
+from backend.utils import encoder
+from backend.schemas import UrlPayload
+from backend.services import UrlService
+
+router = APIRouter()
+url_service = UrlService(db=database)
+
+@router.get("/{shortcode}")
+async def redirect_to_original_url(shortcode: str):
+    if not encoder.is_valid(shortcode):
+        raise HTTPException(status_code=400, detail=f"Shortcode '{shortcode}' is not valid")
+
+    try:
+        url = await url_service.get_url_by_shortcode(shortcode)
+        return RedirectResponse(url=url, status_code=302)
+    except ShortcodeNotFound as e:
+        raise HTTPException(status_code=404, detail=str(e)) from e
+
+
+@router.post("/")
+async def create_url_shortcode(url_payload: UrlPayload):
+    url = str(url_payload.url)
+
+    try:
+        return await url_service.generate_shortcode_and_save(url)
+    except ShortcodeConflict as e:
+        raise HTTPException(status_code=409, detail=str(e)) from e
+    except:
+        raise HTTPException(status_code=500, detail="Internal Server Error") from None