implemented movies controller

package-lock.json

@@ -12,6 +12,8 @@
         "@nestjs/common": "^10.0.0",
         "@nestjs/core": "^10.0.0",
         "@nestjs/platform-express": "^10.0.0",
+        "class-transformer": "^0.5.1",
+        "class-validator": "^0.14.0",
         "node-fetch": "^2.7.0",
         "p-queue": "^6.6.2",
         "reflect-metadata": "^0.1.13",
@@ -2121,6 +2123,11 @@
         "@types/superagent": "*"
       }
     },
+    "node_modules/@types/validator": {
+      "version": "13.11.7",
+      "resolved": "https://registry.npmjs.org/@types/validator/-/validator-13.11.7.tgz",
+      "integrity": "sha512-q0JomTsJ2I5Mv7dhHhQLGjMvX0JJm5dyZ1DXQySIUzU1UlwzB8bt+R6+LODUbz0UDIOvEzGc28tk27gBJw2N8Q=="
+    },
     "node_modules/@types/yargs": {
       "version": "17.0.32",
       "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-17.0.32.tgz",
@@ -3203,6 +3210,21 @@
       "integrity": "sha512-0TNiGstbQmCFwt4akjjBg5pLRTSyj/PkWQ1ZoO2zntmg9yLqSRxwEa4iCfQLGjqhiqBfOJa7W/E8wfGrTDmlZQ==",
       "dev": true
     },
+    "node_modules/class-transformer": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.5.1.tgz",
+      "integrity": "sha512-SQa1Ws6hUbfC98vKGxZH3KFY0Y1lm5Zm0SY8XX9zbK7FJCyVEac3ATW0RIpwzW+oOfmHE5PMPufDG9hCfoEOMw=="
+    },
+    "node_modules/class-validator": {
+      "version": "0.14.0",
+      "resolved": "https://registry.npmjs.org/class-validator/-/class-validator-0.14.0.tgz",
+      "integrity": "sha512-ct3ltplN8I9fOwUd8GrP8UQixwff129BkEtuWDKL5W45cQuLd19xqmTLu5ge78YDm/fdje6FMt0hGOhl0lii3A==",
+      "dependencies": {
+        "@types/validator": "^13.7.10",
+        "libphonenumber-js": "^1.10.14",
+        "validator": "^13.7.0"
+      }
+    },
     "node_modules/cli-cursor": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-3.1.0.tgz",
@@ -6160,6 +6182,11 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/libphonenumber-js": {
+      "version": "1.10.51",
+      "resolved": "https://registry.npmjs.org/libphonenumber-js/-/libphonenumber-js-1.10.51.tgz",
+      "integrity": "sha512-vY2I+rQwrDQzoPds0JeTEpeWzbUJgqoV0O4v31PauHBb/e+1KCXKylHcDnBMgJZ9fH9mErsEbROJY3Z3JtqEmg=="
+    },
     "node_modules/lines-and-columns": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/lines-and-columns/-/lines-and-columns-1.2.4.tgz",
@@ -8557,6 +8584,14 @@
         "node": ">=10.12.0"
       }
     },
+    "node_modules/validator": {
+      "version": "13.11.0",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.11.0.tgz",
+      "integrity": "sha512-Ii+sehpSfZy+At5nPdnyMhx78fEoPDkR2XW/zimHEL3MyGJQOCQ7WeP20jPYRz7ZCpcKLB21NxuXHF3bxjStBQ==",
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
     "node_modules/vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",

package.json

@@ -23,6 +23,8 @@
     "@nestjs/common": "^10.0.0",
     "@nestjs/core": "^10.0.0",
     "@nestjs/platform-express": "^10.0.0",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.14.0",
     "node-fetch": "^2.7.0",
     "p-queue": "^6.6.2",
     "reflect-metadata": "^0.1.13",

src/app.controller.spec.ts

@@ -1,22 +0,0 @@
-import { Test, type TestingModule } from '@nestjs/testing';
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
-
-describe('AppController', () => {
-    let appController: AppController;
-
-    beforeEach(async () => {
-        const app: TestingModule = await Test.createTestingModule({
-            controllers: [AppController],
-            providers: [AppService],
-        }).compile();
-
-        appController = app.get<AppController>(AppController);
-    });
-
-    describe('root', () => {
-        it('should return "Hello World!"', () => {
-            expect(appController.getHello()).toBe('Hello World!');
-        });
-    });
-});

src/app.controller.ts

@@ -1,12 +0,0 @@
-import { Controller, Get } from '@nestjs/common';
-import { AppService } from './app.service';
-
-@Controller()
-export class AppController {
-    constructor(private readonly appService: AppService) {}
-
-    @Get()
-    getHello(): string {
-        return this.appService.getHello();
-    }
-}

src/app.module.spec.ts

@@ -0,0 +1,93 @@
+import { Test, type TestingModule } from '@nestjs/testing';
+import { ValidationPipe, type INestApplication } from '@nestjs/common';
+import request from 'supertest';
+import { AppModule } from './../src/app.module';
+import { createTestOmdbEnrichedDataService } from './utils/testHelpers';
+
+describe('AppController (e2e)', () => {
+    let app: INestApplication;
+
+    beforeAll(async () => {
+        const enrichedDataService = await createTestOmdbEnrichedDataService();
+
+        const moduleFixture: TestingModule = await Test.createTestingModule({
+            imports: [AppModule],
+        })
+            .overrideProvider('enrichedDataService')
+            .useValue(enrichedDataService)
+            .compile();
+
+        app = moduleFixture.createNestApplication();
+        app.useGlobalPipes(new ValidationPipe({ transform: true }));
+        await app.init();
+    });
+
+    it('/api/movies/tt0061852 (GET)', () => {
+        return request(app.getHttpServer())
+            .get('/api/movies/tt0061852')
+            .expect(200)
+            .expect((response) => {
+                expect(response.body).toMatchObject({
+                    title: 'The Jungle Book',
+                });
+            });
+    });
+
+    it('/api/movies/11528860 (GET)', () => {
+        return request(app.getHttpServer())
+            .get('/api/movies/11528860')
+            .expect(200)
+            .expect((response) => {
+                expect(response.body).toMatchObject({
+                    title: 'The Jungle Book',
+                });
+            });
+    });
+
+    it('/api/movies (GET)', () => {
+        return request(app.getHttpServer()).get('/api/movies').expect(400);
+    });
+
+    it('/api/movies?writers=George Lucas (GET)', () => {
+        return request(app.getHttpServer())
+            .get('/api/movies?writers=George Lucas')
+            .expect(200)
+            .expect((response) => {
+                expect(response.body).toMatchObject([
+                    { title: 'Indiana Jones and the Last Crusade' },
+                    { title: 'Star Wars: Episode IV - A New Hope' },
+                ]);
+            });
+    });
+
+    it('/api/movies?writers=George Lucas&actors=Mark Hamill (GET)', () => {
+        return request(app.getHttpServer())
+            .get('/api/movies?writers=George Lucas&actors=Mark Hamill')
+            .expect(200)
+            .expect((response) => {
+                expect(response.body).toMatchObject([
+                    { title: 'Star Wars: Episode IV - A New Hope' },
+                ]);
+            });
+    });
+
+    it('/api/movies?productionYear=1967 (GET)', () => {
+        return request(app.getHttpServer())
+            .get('/api/movies?productionYear=1967')
+            .expect(200)
+            .expect((response) => {
+                expect(response.body).toMatchObject([
+                    { title: 'The Jungle Book' },
+                ]);
+            });
+    });
+
+    it('/api/movies?productionYear=1800 (GET)', () => {
+        return request(app.getHttpServer())
+            .get('/api/movies?productionYear=1800')
+            .expect(200)
+            .expect((response) => {
+                expect(response.body).toMatchObject([]);
+            });
+    });
+});

src/app.module.ts

@@ -1,11 +1,16 @@
 import { Module } from '@nestjs/common';
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
+import { MoviesController } from './movies.controller';
+import { createTestOmdbEnrichedDataService } from './utils/testHelpers';
 
 @Module({
     imports: [],
-    controllers: [AppController],
-    providers: [AppService],
+    controllers: [MoviesController],
+    providers: [
+        {
+            provide: 'enrichedDataService',
+            useFactory: createTestOmdbEnrichedDataService,
+        },
+    ],
 })
 // eslint-disable-next-line @typescript-eslint/no-extraneous-class
 export class AppModule {}

src/app.service.ts

@@ -1,8 +0,0 @@
-import { Injectable } from '@nestjs/common';
-
-@Injectable()
-export class AppService {
-    getHello(): string {
-        return 'Hello World!';
-    }
-}

src/main.ts

@@ -1,8 +1,10 @@
+import { ValidationPipe } from '@nestjs/common';
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
 
 async function bootstrap() {
     const app = await NestFactory.create(AppModule);
+    app.useGlobalPipes(new ValidationPipe({ transform: true }));
     await app.listen(3000);
 }
 void bootstrap();

src/movies.controller.spec.ts

@@ -0,0 +1,48 @@
+import { Test, type TestingModule } from '@nestjs/testing';
+import { MoviesController } from './movies.controller';
+import { createTestOmdbEnrichedDataService } from './utils/testHelpers';
+
+describe('AppController', () => {
+    let moviesController: MoviesController;
+
+    beforeEach(async () => {
+        const app: TestingModule = await Test.createTestingModule({
+            controllers: [MoviesController],
+            providers: [
+                {
+                    provide: 'enrichedDataService',
+                    useFactory: createTestOmdbEnrichedDataService,
+                },
+            ],
+        }).compile();
+
+        moviesController = app.get<MoviesController>(MoviesController);
+    });
+
+    describe('root', () => {
+        it('should return movie by internal id', () => {
+            expect(moviesController.getMovie('11528860')).toMatchObject({
+                title: 'The Jungle Book',
+            });
+        });
+
+        it('should return movie by imdb id', () => {
+            expect(moviesController.getMovie('tt0061852')).toMatchObject({
+                title: 'The Jungle Book',
+            });
+        });
+
+        it('should throw an error for empty search query', () => {
+            expect(() => moviesController.searchMovies({})).toThrow();
+        });
+
+        it('should return movies matching writer', () => {
+            expect(
+                moviesController.searchMovies({ writers: 'George Lucas' }),
+            ).toMatchObject([
+                { title: 'Indiana Jones and the Last Crusade' },
+                { title: 'Star Wars: Episode IV - A New Hope' },
+            ]);
+        });
+    });
+});

src/movies.controller.ts

@@ -0,0 +1,102 @@
+import {
+    BadRequestException,
+    Controller,
+    Get,
+    Inject,
+    NotFoundException,
+    Param,
+    Query,
+} from '@nestjs/common';
+import { EnrichedDataService } from './types';
+import { IsIn, IsInt, IsOptional, IsString, Length } from 'class-validator';
+import { Type } from 'class-transformer';
+
+const ENTRY_TYPES = ['movie', 'series', 'episode'] as const;
+
+class SearchDto {
+    @IsString()
+    @Length(1)
+    @IsOptional()
+    actors?: string;
+
+    @IsString()
+    @Length(2, 2)
+    @IsOptional()
+    availableLanguages?: string;
+
+    @IsString()
+    @Length(1)
+    @IsOptional()
+    directors?: string;
+
+    @IsString()
+    @Length(1)
+    @IsOptional()
+    localTitle?: string;
+
+    @IsString()
+    @Length(2, 2)
+    @IsOptional()
+    originalLanguage?: string;
+
+    @IsString()
+    @Length(1)
+    @IsOptional()
+    productionCountries?: string;
+
+    @IsInt()
+    @Type(() => Number)
+    @IsOptional()
+    productionYear?: number;
+
+    @IsString()
+    @Length(1)
+    @IsOptional()
+    studios?: string;
+
+    @IsString()
+    @Length(1)
+    @IsOptional()
+    title?: string;
+
+    @IsString()
+    @IsIn(ENTRY_TYPES)
+    @IsOptional()
+    type?: (typeof ENTRY_TYPES)[number];
+
+    @IsString()
+    @Length(1)
+    @IsOptional()
+    writers?: string;
+}
+
+@Controller('/api/movies')
+export class MoviesController {
+    constructor(
+        @Inject('enrichedDataService')
+        private readonly enrichedDataService: EnrichedDataService,
+    ) {}
+
+    @Get()
+    searchMovies(@Query() query: SearchDto) {
+        if (!Object.values(query).some((filterValue) => filterValue)) {
+            throw new BadRequestException('Query should not be empty');
+        }
+
+        const result = this.enrichedDataService.getSearchResults(query);
+        return result;
+    }
+
+    @Get(':id')
+    getMovie(@Param('id') id: string) {
+        const result = /^\d+$/.test(id)
+            ? this.enrichedDataService.getMetadataByInternalId(parseInt(id, 10))
+            : this.enrichedDataService.getMetadataByImdbId(id);
+
+        if (!result) {
+            throw new NotFoundException();
+        }
+
+        return result;
+    }
+}