feat: add backend-mock app

apps/backend-mock/src/core/interceptor/index.ts

@@ -0,0 +1 @@
+export * from './transform.interceptor';

apps/backend-mock/src/core/interceptor/transform.interceptor.ts

@@ -0,0 +1,37 @@
+import {
+  CallHandler,
+  ExecutionContext,
+  Injectable,
+  Logger,
+  NestInterceptor,
+} from '@nestjs/common';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+@Injectable()
+export class TransformInterceptor implements NestInterceptor {
+  public intercept(
+    context: ExecutionContext,
+    next: CallHandler,
+  ): Observable<any> {
+    const req = context.getArgByIndex(1).req;
+    return next.handle().pipe(
+      map((data) => {
+        const logFormat = `
+          Request original url: ${req.originalUrl}
+          Method: ${req.method}
+          IP: ${req.ip}
+          User: ${JSON.stringify(req.user)}
+          Response data: ${JSON.stringify(data)}
+         `;
+        Logger.debug(logFormat);
+        return {
+          code: 0,
+          data,
+          error: null,
+          message: 'ok',
+        };
+      }),
+    );
+  }
+}