Added openapi related classes

src/apispec.ts

@@ -0,0 +1,25 @@
+import { MetadataArgsStorage } from 'routing-controllers';
+import { routingControllersToSpec } from 'routing-controllers-openapi';
+import { config } from './config';
+
+/**
+ * This function generates a the openapi spec from route metadata and type schemas.
+ * @param storage MetadataArgsStorage object generated by routing-controllers.
+ * @param schemas MetadataArgsStorage object generated by class-validator-jsonschema.
+ */
+export function generateSpec(storage: MetadataArgsStorage, schemas) {
+    return routingControllersToSpec(
+        storage,
+        {},
+        {
+            components: {
+                schemas,
+            },
+            info: {
+                description: "The the API for the LfK! document server.",
+                title: "LfK! document server API",
+                version: config.version
+            },
+        }
+    );
+}