튜토리얼: .NET/ C# 드라이버 사용하여 RESTful API 만들기

namespace MongoExample.Models;
public class MongoDBSettings {
    public string ConnectionURI { get; set; } = null!;
    public string DatabaseName { get; set; } = null!;
    public string CollectionName { get; set; } = null!;
}

{
   "Logging": {
      "LogLevel": {
      "Default": "Information",
      "Microsoft.AspNetCore": "Warning"
      }
   },
   "AllowedHosts": "*",
   "MongoDB": {
      "ConnectionURI": "<Atlas connection string>",
      "DatabaseName": "sample_mflix",
      "CollectionName": "playlist"
      }
}

using MongoExample.Models;
using Microsoft.Extensions.Options;
using MongoDB.Driver;
using MongoDB.Bson;
namespace MongoExample.Services;
public class MongoDBService {
    private readonly IMongoCollection<Playlist> _playlistCollection;
    public MongoDBService(IOptions<MongoDBSettings> mongoDBSettings) {
        MongoClient client = new MongoClient(mongoDBSettings.Value.ConnectionURI);
        IMongoDatabase database = client.GetDatabase(mongoDBSettings.Value.DatabaseName);
        _playlistCollection = database.GetCollection<Playlist>(mongoDBSettings.Value.CollectionName);
    }
    public async Task<List<Playlist>> GetAsync() { }
    public async Task CreateAsync(Playlist playlist) { }
    public async Task AddToPlaylistAsync(string id, string movieId) {}
    public async Task DeleteAsync(string id) { }
}

using MongoExample.Models;
using MongoExample.Services;
var builder = WebApplication.CreateBuilder(args);
builder.Services.Configure<MongoDBSettings>(builder.Configuration.GetSection("MongoDB"));
builder.Services.AddSingleton<MongoDBService>();

using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
using System.Text.Json.Serialization;
namespace MongoExample.Models;
public class Playlist {
    [BsonId]
    [BsonRepresentation(BsonType.ObjectId)]
    public string? Id { get; set; }
    public string username { get; set; } = null!;
    [BsonElement("items")]
    [JsonPropertyName("items")]
    public List<string> movieIds { get; set; } = null!;
}

using System;
using Microsoft.AspNetCore.Mvc;
using MongoExample.Services;
using MongoExample.Models;
namespace MongoExample.Controllers; 
[Controller]
[Route("api/[controller]")]
public class PlaylistController: Controller {
    
    private readonly MongoDBService _mongoDBService;
    public PlaylistController(MongoDBService mongoDBService) {
        _mongoDBService = mongoDBService;
    }
    [HttpGet]
    public async Task<List<Playlist>> Get() {}
    [HttpPost]
    public async Task<IActionResult> Post([FromBody] Playlist playlist) {}
    [HttpPut("{id}")]
    public async Task<IActionResult> AddToPlaylist(string id, [FromBody] string movieId) {}
    [HttpDelete("{id}")]
    public async Task<IActionResult> Delete(string id) {}
}

public async Task CreateAsync(Playlist playlist) { 
  await _playlistCollection.InsertOneAsync(playlist);
  return;
}

[HttpPost]
public async Task<IActionResult> Post([FromBody] Playlist playlist) {
  await _mongoDBService.CreateAsync(playlist);
  return CreatedAtAction(nameof(Get), new { id = playlist.Id }, playlist);
}

public async Task<List<Playlist>> GetAsync() { 
  return await _playlistCollection.Find(new BsonDocument()).ToListAsync();
}

[HttpGet]
public async Task<List<Playlist>> Get() {
  return await _mongoDBService.GetAsync();
}

public async Task AddToPlaylistAsync(string id, string movieId) {
  FilterDefinition<Playlist> filter = Builders<Playlist>.Filter.Eq("Id", id);
  UpdateDefinition<Playlist> update = Builders<Playlist>.Update.AddToSet<string>("movieIds", movieId);
  await _playlistCollection.UpdateOneAsync(filter, update);
  return;
}

[HttpPut("{id}")]
public async Task<IActionResult> AddToPlaylist(string id, [FromBody] string movieId) {    
  await _mongoDBService.AddToPlaylistAsync(id, movieId);
  return NoContent();
}

public async Task DeleteAsync(string id) {
  FilterDefinition<Playlist> filter = Builders<Playlist>.Filter.Eq("Id", id);
  await _playlistCollection.DeleteOneAsync(filter);
  return;
}

[HttpDelete("{id}")]
public async Task<IActionResult> Delete(string id) {
  await _mongoDBService.DeleteAsync(id);
  return NoContent();
}