Added basic openapi support

ref #5

package.json

@@ -35,6 +35,8 @@
         "pg": "^8.5.1",
         "reflect-metadata": "^0.1.13",
         "routing-controllers": "^0.9.0-alpha.6",
+        "routing-controllers-openapi": "^2.1.0",
+        "swagger-ui-express": "^4.1.5",
         "typeorm": "^0.2.29"
     },
     "devDependencies": {
@@ -44,6 +46,7 @@
         "@types/jsonwebtoken": "^8.5.0",
         "@types/node": "^14.14.9",
         "@types/multer": "^1.4.4",
+        "@types/swagger-ui-express": "^4.1.2",
         "dotenv-safe": "^8.2.0",
         "husky": "^4.3.0",
         "nodemon": "^2.0.6",

src/loaders/index.ts

@@ -1,11 +1,11 @@
 import expressLoader from "./express";
-import routeLoader from "./routes";
+import openapiLoader from "./openapi";
 import databaseLoader from "./database";
-import {Application} from "express";
+import { Application } from "express";
 
 export default async (app: Application) => {
     await databaseLoader();
+    await openapiLoader(app);
     await expressLoader(app);
-    await routeLoader(app);
     return app;
 };

src/loaders/openapi.ts

@@ -0,0 +1,11 @@
+import { Application } from "express";
+import * as swaggerUiExpress from "swagger-ui-express";
+import { getMetadataArgsStorage } from "routing-controllers";
+import { routingControllersToSpec } from "routing-controllers-openapi";
+
+export default async (app: Application) => {
+    const storage = getMetadataArgsStorage();
+    const spec = routingControllersToSpec(storage);
+    app.use("/docs", swaggerUiExpress.serve, swaggerUiExpress.setup(spec));
+    return app;
+};

src/loaders/routes.ts

@@ -1,7 +0,0 @@
-import {Application} from "express";
-import routerMain from "../routes/index";
-
-export default async (app: Application) => {
-	app.use('/api/', routerMain);
-	return app;
-};