Shows/controller: validate search parameters

src/shows/shows.controller.ts

@@ -14,6 +14,13 @@ import {
 import { ShowsService } from './shows.service';
 import { ShowDto } from './dto/show.dto';
 import { PaginationDto } from 'src/pagination.dto';
+import { IsNotEmpty, IsString } from 'class-validator';
+
+export class SearchDto {
+  @IsString()
+  @IsNotEmpty()
+  query: string;
+}
 
 @Controller('shows')
 export class ShowsController {
@@ -78,15 +85,16 @@ export class ShowsController {
   }
 
   @Get('search')
-  async search(@Query('query') name: string) {
+  async search(@Query() search: SearchDto) {
     try {
-      const shows = await this.showsService.search(name);
+      const { query } = search;
+      const shows = await this.showsService.search(query);
       if (shows.length > 0) {
         return { status: 'Ok', show: shows, test: shows.length };
       } else {
         throw new NotFoundException({
           status: 'Error',
-          message: `Can't find show matching ${name}`,
+          message: `Can't find show matching ${query}`,
         });
       }
     } catch (error) {