Moved FastAPI services to own object.

src/frontend/lib/FastAPIServer.py

@@ -0,0 +1,70 @@
+"""pyShelf's main frontend library."""
+import uvicorn
+import sass
+from fastapi import FastAPI, Request
+from fastapi.responses import HTMLResponse
+from fastapi.routing import APIRoute
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+
+app = FastAPI()
+templates = Jinja2Templates(directory="src/frontend/templates")
+
+
+class FastAPIServer():
+
+    def __init__(self, config):
+        self.config = config
+        app.mount("/static",
+                  StaticFiles(directory="src/frontend/static"),
+                  name="static")
+        self.fe_config = uvicorn.Config(app, port=8080,
+                                        log_level="info", reload=True)
+        self.fe_server = uvicorn.Server(self.fe_config)
+        self.compile_static_files()
+
+    def compile_static_files(self):
+        """Compile static files for web frontend."""
+        _pyShelf_src = sass.compile(
+            filename='src/frontend/static/styles/pyShelf.sass',
+            source_map_filename='src/frontend/node_modules/bulma/bulma.sass',
+            output_style='compressed'
+        )
+        with open('src/frontend/static/styles/pyShelf.css', 'w') as _pyShelf:
+            _pyShelf.write(_pyShelf_src[0])
+        _pyShelf.close()
+        return True
+
+    def use_route_names_as_operation_ids(self, app: FastAPI) -> None:
+        """Use route name as operation id."""
+        for route in app.routes:
+            if isinstance(route, APIRoute):
+                route.operation_id = route.name
+
+    @app.get("/", response_class=HTMLResponse)
+    async def index(request: Request):
+        """Home page responder."""
+        return templates.TemplateResponse(
+            "index.html",
+            {"request": request})
+
+    @app.get("/users/me")
+    async def about_me(self):
+        """About me page responder."""
+        return {"user_id": "CurrentUser"}
+
+    @app.get("/users/{user_id}")
+    async def about_user(self, user_id: int):
+        """About user page responder."""
+        return {"user_id": user_id}
+
+    @app.get("/dev/test/echo/{_test_item_}")
+    async def echo_test(self, _test_item_):
+        """Test echo responder function."""
+        return {"Test Object": _test_item_}
+
+    async def run(self):
+        """Front end server entrypoint."""
+        self.config.logger.info("Starting FastAPI server.")
+        self.use_route_names_as_operation_ids(app)
+        await self.fe_server.serve()