Update FastAPI example

docs/main/changelog.rst

@@ -10,6 +10,7 @@ follows `Semantic versioning`_
 Develop
 -------
 - Improve ``FastAPI`` integration: handle ``Depends(Provide[...])``.
+- Update ``FastAPI`` example.
 
 4.4.0
 -----

examples/miniapps/fastapi/README.rst

@@ -113,9 +113,9 @@ The output should be something like:
    giphynavigator/__init__.py          0      0   100%
    giphynavigator/application.py      13      0   100%
    giphynavigator/containers.py        6      0   100%
-   giphynavigator/endpoints.py         6      0   100%
+   giphynavigator/endpoints.py        20      0   100%
    giphynavigator/giphy.py            14      9    36%
    giphynavigator/services.py          9      1    89%
    giphynavigator/tests.py            38      0   100%
    ---------------------------------------------------
-   TOTAL                              86     10    88%
+   TOTAL                             100     10    90%

examples/miniapps/fastapi/giphynavigator/application.py

@@ -14,7 +14,7 @@ def create_app() -> FastAPI:
 
     app = FastAPI()
     app.container = container
-    app.add_api_route('/', endpoints.index)
+    app.include_router(endpoints.router)
     return app
 
 

examples/miniapps/fastapi/giphynavigator/endpoints.py

@@ -1,17 +1,42 @@
 """Endpoints module."""
 
+from typing import Optional, List
+
+from fastapi import APIRouter, Depends
+from pydantic import BaseModel
 from dependency_injector.wiring import inject, Provide
 
+from .services import SearchService
 from .containers import Container
 
 
+class Gif(BaseModel):
+    url: str
+
+
+class Response(BaseModel):
+    query: str
+    limit: int
+    gifs: List[Gif]
+
+
+router = APIRouter()
+
+
+@router.get('/', response_model=Response)
 @inject
 async def index(
-        query: str = Provide[Container.config.default.query],
+        query: Optional[str] = None,
-        limit: int = Provide[Container.config.default.limit.as_int()],
+        limit: Optional[str] = None,
-        search_service=Provide[Container.search_service],
+        default_query: str = Depends(Provide[Container.config.default.query]),
+        default_limit: int = Depends(Provide[Container.config.default.limit.as_int()]),
+        search_service: SearchService = Depends(Provide[Container.search_service]),
 ):
+    query = query or default_query
+    limit = limit or default_limit
+
     gifs = await search_service.search(query, limit)
+
     return {
         'query': query,
         'limit': limit,