feat:listanod videos e adicionando ao usuário

BaseDomain/Results/Result.cs

@@ -29,5 +29,6 @@ namespace BaseDomain.Results
 
         public static Result Success() => new(true, Error.None);
         public static Result Failure(Error error) => new(false, Error.None);
+        public static Result Failure<T>(Error error) => new(false, Error.None);
     }
 }

BaseDomain/Results/ResultT.cs

@@ -30,5 +30,9 @@ namespace BaseDomain.Results
             return new Result<TValue>(value, true, Error.None); 
         }
 
+        public static Result<TValue> Failure(string v)
+        {
+            return new Result<TValue>(default, false, new Error(ErrorTypeEnum.Failure, v));
+        }
     }
 }

Postall.Domain/Contracts/Repositories/IChannelRepository.cs

@@ -6,7 +6,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace Postall.Domain
+namespace Postall.Domain.Contracts.Repositories
 {
     /// <summary>
     /// Interface para repositório de canais do YouTube no MongoDB

Postall.Domain/Contracts/Repositories/IVideoRepository.cs

@@ -0,0 +1,23 @@
+using Postall.Domain.Entities;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Postall.Domain
+{
+    public interface IVideoRepository
+    {
+        Task<IEnumerable<VideoData>> GetAllAsync();
+        Task<VideoData> GetByIdAsync(string id);
+        Task<VideoData> GetByVideoIdAsync(string videoId);
+        Task<IList<VideoData>> GetByUserIdAsync(string userId);
+        Task<IList<VideoData>> GetByChannelIdAsync(string channelId);
+        Task<IList<VideoData>> GetByUserIdAndChannelIdAsync(string userId, string channelId);
+        Task<VideoData> GetByUserIdAndVideoIdAsync(string userId, string videoId);
+        Task<VideoData> AddAsync(VideoData videoData);
+        Task<IEnumerable<VideoData>> AddManyAsync(IEnumerable<VideoData> videos);
+        Task<bool> UpdateAsync(VideoData videoData);
+        Task<bool> DeleteAsync(string id);
+        Task<bool> DeleteByVideoIdAsync(string videoId);
+        Task<IEnumerable<VideoData>> SearchAsync(string searchTerm);
+    }
+}

Postall.Domain/Dtos/VideoResponse.cs

@@ -0,0 +1,65 @@
+using Postall.Domain.Entities;
+using System;
+
+namespace Postall.Domain.Dtos
+{
+    public class VideoResponse
+    {
+        public string Id { get; set; }
+        public string VideoId { get; set; }
+        public string ChannelId { get; set; }
+        public string Title { get; set; }
+        public string Description { get; set; }
+        public string ThumbnailUrl { get; set; }
+        public DateTime PublishedAt { get; set; }
+        public ulong ViewCount { get; set; }
+        public ulong LikeCount { get; set; }
+        public ulong DislikeCount { get; set; }
+        public ulong CommentCount { get; set; }
+    }
+
+    public static class VideoDataExtensions
+    {
+        public static VideoResponse ToVideoResponse(this VideoData videoData)
+        {
+            if (videoData == null)
+                return null;
+
+            return new VideoResponse
+            {
+                Id = videoData.Id,
+                VideoId = videoData.VideoId,
+                ChannelId = videoData.ChannelId,
+                Title = videoData.Title,
+                Description = videoData.Description,
+                ThumbnailUrl = videoData.ThumbnailUrl,
+                PublishedAt = videoData.PublishedAt,
+                ViewCount = videoData.ViewCount,
+                LikeCount = videoData.LikeCount,
+                DislikeCount = videoData.DislikeCount,
+                CommentCount = videoData.CommentCount
+            };
+        }
+
+        public static VideoData ToVideoData(this VideoResponse videoResponse)
+        {
+            if (videoResponse == null)
+                return null;
+
+            return new VideoData
+            {
+                Id = videoResponse.Id,
+                VideoId = videoResponse.VideoId,
+                ChannelId = videoResponse.ChannelId,
+                Title = videoResponse.Title,
+                Description = videoResponse.Description,
+                ThumbnailUrl = videoResponse.ThumbnailUrl,
+                PublishedAt = videoResponse.PublishedAt,
+                ViewCount = videoResponse.ViewCount,
+                LikeCount = videoResponse.LikeCount,
+                DislikeCount = videoResponse.DislikeCount,
+                CommentCount = videoResponse.CommentCount
+            };
+        }
+    }
+}

Postall.Domain/Entities/VideosData.cs

@@ -0,0 +1,27 @@
+using System;
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+
+namespace Postall.Domain.Entities
+{
+    public class VideoData
+    {
+        [BsonId]
+        [BsonRepresentation(BsonType.ObjectId)]
+        public string Id { get; set; }
+
+        public string UserId { get; set; }
+        public string ChannelId { get; set; }
+        public string VideoId { get; set; }
+        public string Title { get; set; }
+        public string Description { get; set; }
+        public string ThumbnailUrl { get; set; }
+        public DateTime PublishedAt { get; set; }
+        public ulong ViewCount { get; set; }
+        public ulong LikeCount { get; set; }
+        public ulong DislikeCount { get; set; }
+        public ulong CommentCount { get; set; }
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+        public DateTime? UpdatedAt { get; set; }
+    }
+}

Postall.Domain/Services/ChannelVideoService.cs

@@ -1,7 +1,7 @@
 using BaseDomain.Results;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
-using Postall.Domain;
+using Postall.Domain.Contracts.Repositories;
 using Postall.Domain.Dtos;
 using Postall.Domain.Entities;
 using Postall.Domain.Services.Contracts;

Postall.Domain/Services/Contracts/IVideoService.cs

@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace Postall.Domain.Services.Contracts
 {
-    public interface IVideoService
+    public interface IYouTubeServiceChannel
     {
         Task<List<VideoItemResponse>> GetUserChannelVideosAsync(int maxResults = 10);
 

Postall.Domain/Services/Contracts/IVideoYoutubeService.cs

@@ -0,0 +1,14 @@
+using BaseDomain.Results;
+using Postall.Domain.Dtos;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Postall.Domain.Services.Contracts
+{
+    public interface IVideoYoutubeService
+    {
+        Task<Result<VideoResponse>> GetVideoDetailsAsync(string videoId);
+        Task<Result<List<VideoResponse>>> GetChannelVideosAsync(string channelId, int maxResults = 50);
+        Task<Result<List<VideoResponse>>> SearchVideosAsync(string query, int maxResults = 10);
+    }
+}

Postall.Domain/Services/Contracts/IYouTubeServiceChannel.cs

@@ -0,0 +1,19 @@
+using BaseDomain.Results;
+using Postall.Domain.Dtos;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Postall.Domain.Services.Contracts
+{
+    public interface IVideoService
+    {
+        Task<Result<List<VideoResponse>>> GetUserVideosAsync();
+        Task<Result<List<VideoResponse>>> GetVideosByChannelIdAsync(string channelId);
+        Task<Result<VideoResponse>> GetVideoDetailsAsync(string videoId);
+        Task<Result<List<VideoResponse>>> GetChannelVideosFromYouTubeAsync(string channelId, int maxResults = 10);
+        Task<Result<bool>> AddVideoAsync(string videoId, string channelId);
+        Task<Result<bool>> AddVideosAsync(List<string> videoIds, string channelId);
+        Task<Result<bool>> RemoveVideoAsync(string videoId);
+        Task<Result<List<VideoResponse>>> SearchVideosAsync(string query, int maxResults = 10);
+    }
+}

Postall.Domain/Services/VideoService .cs

@@ -0,0 +1,308 @@
+using BaseDomain.Results;
+using Microsoft.AspNetCore.Http;
+using Postall.Domain;
+using Postall.Domain.Contracts.Repositories;
+using Postall.Domain.Dtos;
+using Postall.Domain.Entities;
+using Postall.Domain.Services.Contracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Claims;
+using System.Threading.Tasks;
+
+namespace Postall.Infra.Services
+{
+    public class VideoService : IVideoService
+    {
+        private readonly IHttpContextAccessor _httpContextAccessor;
+        private readonly IVideoRepository _videoRepository;
+        private readonly IChannelRepository _channelRepository;
+        private readonly IVideoYoutubeService _videoYoutubeService;
+
+        public VideoService(
+            IHttpContextAccessor httpContextAccessor,
+            IVideoRepository videoRepository,
+            IChannelRepository channelRepository,
+            IVideoYoutubeService videoYoutubeService)
+        {
+            _httpContextAccessor = httpContextAccessor;
+            _videoRepository = videoRepository;
+            _channelRepository = channelRepository;
+            _videoYoutubeService = videoYoutubeService;
+        }
+
+        /// <summary>
+        /// Obtém o ID do usuário atual a partir das claims
+        /// </summary>
+        private string GetCurrentUserId()
+        {
+            var user = _httpContextAccessor.HttpContext.User;
+            var userId = user.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+
+            if (string.IsNullOrEmpty(userId))
+            {
+                var email = user.FindFirst(ClaimTypes.Email)?.Value;
+                if (!string.IsNullOrEmpty(email))
+                {
+                    userId = Convert.ToBase64String(
+                        System.Text.Encoding.UTF8.GetBytes(email)
+                    ).Replace("/", "_").Replace("+", "-").Replace("=", "");
+                }
+            }
+
+            return userId;
+        }
+
+        /// <summary>
+        /// Obtém todos os vídeos do usuário atual
+        /// </summary>
+        public async Task<Result<List<VideoResponse>>> GetUserVideosAsync()
+        {
+            var userId = GetCurrentUserId();
+
+            if (string.IsNullOrEmpty(userId))
+                return new List<VideoResponse>();
+
+            var videos = await _videoRepository.GetByUserIdAsync(userId);
+            return videos.Select(v => v.ToVideoResponse()).ToList();
+        }
+
+        /// <summary>
+        /// Obtém os vídeos de um canal específico para o usuário atual
+        /// </summary>
+        public async Task<Result<List<VideoResponse>>> GetVideosByChannelIdAsync(string channelId)
+        {
+            if (string.IsNullOrEmpty(channelId))
+                return new List<VideoResponse>();
+
+            var userId = GetCurrentUserId();
+
+            if (string.IsNullOrEmpty(userId))
+                return new List<VideoResponse>();
+
+            var videos = await _videoRepository.GetByUserIdAndChannelIdAsync(userId, channelId);
+            return videos.Select(v => v.ToVideoResponse()).ToList();
+        }
+
+        /// <summary>
+        /// Obtém os detalhes de um vídeo específico
+        /// </summary>
+        public async Task<Result<VideoResponse>> GetVideoDetailsAsync(string videoId)
+        {
+            if (string.IsNullOrEmpty(videoId))
+                return Result<VideoResponse>.Failure("ID do vídeo inválido");
+
+            var videoDetails = await _videoYoutubeService.GetVideoDetailsAsync(videoId);
+            return videoDetails;
+        }
+
+        /// <summary>
+        /// Obtém os vídeos de um canal diretamente do YouTube
+        /// </summary>
+        public async Task<Result<List<VideoResponse>>> GetChannelVideosFromYouTubeAsync(string channelId, int maxResults = 10)
+        {
+            if (string.IsNullOrEmpty(channelId))
+                return Result<List<VideoResponse>>.Failure("ID do canal inválido");
+
+            // Verifica se o canal existe para o usuário
+            var userId = GetCurrentUserId();
+            var channel = await _channelRepository.GetByUserIdAndChannelIdAsync(userId, channelId);
+
+            if (channel == null)
+                return Result<List<VideoResponse>>.Failure("Canal não encontrado para este usuário");
+
+            // Obtém os vídeos que o usuário já adicionou para este canal
+            var userVideos = await _videoRepository.GetByUserIdAndChannelIdAsync(userId, channelId);
+            var userVideoIds = userVideos.Select(v => v.VideoId).ToHashSet();
+
+            // Busca os vídeos do canal no YouTube
+            var channelVideos = await _videoYoutubeService.GetChannelVideosAsync(channelId, maxResults);
+
+            if (!channelVideos.IsSuccess)
+                return channelVideos;
+
+            // Marca os vídeos que já foram adicionados pelo usuário
+            foreach (var video in channelVideos.Value)
+            {
+                if (userVideoIds.Contains(video.VideoId))
+                {
+                    // Esse vídeo já foi adicionado pelo usuário
+                    video.Id = userVideos.First(v => v.VideoId == video.VideoId).Id;
+                }
+            }
+
+            return channelVideos;
+        }
+
+        /// <summary>
+        /// Adiciona um vídeo à lista do usuário
+        /// </summary>
+        public async Task<Result<bool>> AddVideoAsync(string videoId, string channelId)
+        {
+            if (string.IsNullOrEmpty(videoId))
+                return Result<bool>.Failure("ID do vídeo inválido");
+
+            if (string.IsNullOrEmpty(channelId))
+                return Result<bool>.Failure("ID do canal inválido");
+
+            var userId = GetCurrentUserId();
+
+            if (string.IsNullOrEmpty(userId))
+                return Result<bool>.Failure("Usuário não identificado");
+
+            // Verifica se o canal existe para o usuário
+            var channel = await _channelRepository.GetByUserIdAndChannelIdAsync(userId, channelId);
+
+            if (channel == null)
+                return Result<bool>.Failure("Canal não encontrado para este usuário");
+
+            // Verifica se o vídeo já existe para o usuário
+            var existingVideo = await _videoRepository.GetByUserIdAndVideoIdAsync(userId, videoId);
+
+            if (existingVideo != null)
+                return true; // Vídeo já existe, retorna sucesso
+
+            try
+            {
+                // Obtém os detalhes do vídeo do YouTube
+                var videoDetails = await _videoYoutubeService.GetVideoDetailsAsync(videoId);
+
+                if (!videoDetails.IsSuccess)
+                    return Result<bool>.Failure(videoDetails.Error);
+
+                // Cria o objeto de dados do vídeo
+                var videoData = new VideoData
+                {
+                    UserId = userId,
+                    ChannelId = channelId,
+                    VideoId = videoId,
+                    Title = videoDetails.Value.Title,
+                    Description = videoDetails.Value.Description,
+                    ThumbnailUrl = videoDetails.Value.ThumbnailUrl,
+                    PublishedAt = videoDetails.Value.PublishedAt,
+                    ViewCount = videoDetails.Value.ViewCount,
+                    LikeCount = videoDetails.Value.LikeCount,
+                    DislikeCount = videoDetails.Value.DislikeCount,
+                    CommentCount = videoDetails.Value.CommentCount,
+                    CreatedAt = DateTime.UtcNow
+                };
+
+                // Adiciona o vídeo ao repositório
+                await _videoRepository.AddAsync(videoData);
+
+                return true;
+            }
+            catch (Exception ex)
+            {
+                return Result<bool>.Failure(ex.Message);
+            }
+        }
+
+        /// <summary>
+        /// Adiciona múltiplos vídeos à lista do usuário
+        /// </summary>
+        public async Task<Result<bool>> AddVideosAsync(List<string> videoIds, string channelId)
+        {
+            if (videoIds == null || !videoIds.Any())
+                return Result<bool>.Failure("Lista de IDs de vídeos inválida");
+
+            if (string.IsNullOrEmpty(channelId))
+                return Result<bool>.Failure("ID do canal inválido");
+
+            var userId = GetCurrentUserId();
+
+            if (string.IsNullOrEmpty(userId))
+                return Result<bool>.Failure("Usuário não identificado");
+
+            // Verifica se o canal existe para o usuário
+            var channel = await _channelRepository.GetByUserIdAndChannelIdAsync(userId, channelId);
+
+            if (channel == null)
+                return Result<bool>.Failure("Canal não encontrado para este usuário");
+
+            // Obtém os vídeos que o usuário já adicionou
+            var existingVideos = await _videoRepository.GetByUserIdAsync(userId);
+            var existingVideoIds = existingVideos.Select(v => v.VideoId).ToHashSet();
+
+            // Filtra os vídeos que ainda não foram adicionados
+            var newVideoIds = videoIds.Where(id => !existingVideoIds.Contains(id)).ToList();
+
+            if (newVideoIds.Count == 0)
+                return true; // Todos os vídeos já existem
+
+            try
+            {
+                var videoDataList = new List<VideoData>();
+
+                // Obtém os detalhes de cada vídeo do YouTube e cria os objetos de dados
+                foreach (var videoId in newVideoIds)
+                {
+                    var videoDetails = await _videoYoutubeService.GetVideoDetailsAsync(videoId);
+
+                    if (videoDetails.IsSuccess)
+                    {
+                        videoDataList.Add(new VideoData
+                        {
+                            UserId = userId,
+                            ChannelId = channelId,
+                            VideoId = videoId,
+                            Title = videoDetails.Value.Title,
+                            Description = videoDetails.Value.Description,
+                            ThumbnailUrl = videoDetails.Value.ThumbnailUrl,
+                            PublishedAt = videoDetails.Value.PublishedAt,
+                            ViewCount = videoDetails.Value.ViewCount,
+                            LikeCount = videoDetails.Value.LikeCount,
+                            DislikeCount = videoDetails.Value.DislikeCount,
+                            CommentCount = videoDetails.Value.CommentCount,
+                            CreatedAt = DateTime.UtcNow
+                        });
+                    }
+                }
+
+                // Adiciona os vídeos ao repositório
+                if (videoDataList.Any())
+                {
+                    await _videoRepository.AddManyAsync(videoDataList);
+                }
+
+                return true;
+            }
+            catch (Exception ex)
+            {
+                return Result<bool>.Failure(ex.Message);
+            }
+        }
+
+        /// <summary>
+        /// Remove um vídeo da lista do usuário
+        /// </summary>
+        public async Task<Result<bool>> RemoveVideoAsync(string videoId)
+        {
+            if (string.IsNullOrEmpty(videoId))
+                return Result<bool>.Failure("ID do vídeo inválido");
+
+            try
+            {
+                await _videoRepository.DeleteAsync(videoId);
+                return true;
+            }
+            catch (Exception ex)
+            {
+                return Result<bool>.Failure(ex.Message);
+            }
+        }
+
+        /// <summary>
+        /// Busca vídeos no YouTube pelo título ou descrição
+        /// </summary>
+        public async Task<Result<List<VideoResponse>>> SearchVideosAsync(string query, int maxResults = 10)
+        {
+            if (string.IsNullOrEmpty(query) || query.Length < 3)
+                return new List<VideoResponse>();
+
+            var results = await _videoYoutubeService.SearchVideosAsync(query, maxResults);
+            return results;
+        }
+    }
+}

Postall.Infra.MongoDB/Extensions/ServiceRepositoryExtensions.cs

@@ -1,5 +1,6 @@
 using Microsoft.Extensions.DependencyInjection;
 using Postall.Domain;
+using Postall.Domain.Contracts.Repositories;
 using Postall.Domain.Services.Contracts;
 using Postall.Infra.MongoDB.Repositories;
 using Postall.Infra.Services;
@@ -16,6 +17,7 @@ namespace Postall.Infra.MongoDB.Extensions
         public static IServiceCollection AddRepositories(this IServiceCollection services)
         {
             services.AddScoped<IChannelRepository, ChannelRepository>();
+            services.AddScoped<IVideoRepository, VideoRepository>();
 
             return services;
         }

Postall.Infra.MongoDB/Repositories/ChannelRepository.cs

@@ -1,7 +1,7 @@
 using Microsoft.Extensions.Options;
 using MongoDB.Bson;
 using MongoDB.Driver;
-using Postall.Domain;
+using Postall.Domain.Contracts.Repositories;
 using Postall.Domain.Dtos;
 using Postall.Domain.Entities;
 using Postall.Infra.MongoDB.Settings;

Postall.Infra.MongoDB/Repositories/VideoRepository.cs

@@ -0,0 +1,253 @@
+using Microsoft.Extensions.Options;
+using MongoDB.Bson;
+using MongoDB.Driver;
+using Postall.Domain;
+using Postall.Domain.Entities;
+using Postall.Infra.MongoDB.Settings;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Postall.Infra.MongoDB.Repositories
+{
+    public class VideoRepository : IVideoRepository
+    {
+        private readonly IMongoCollection<VideoData> _videosCollection;
+
+        public VideoRepository(IOptions<MongoDbSettings> mongoDbSettings)
+        {
+            var client = new MongoClient(mongoDbSettings.Value.ConnectionString);
+            var database = client.GetDatabase(mongoDbSettings.Value.DatabaseName);
+            _videosCollection = database.GetCollection<VideoData>(mongoDbSettings.Value.VideosCollectionName);
+
+            // Cria índice composto para videoId e userId
+            var indexKeysDefinition = Builders<VideoData>.IndexKeys
+                .Ascending(v => v.VideoId)
+                .Ascending(v => v.UserId);
+            _videosCollection.Indexes.CreateOne(new CreateIndexModel<VideoData>(indexKeysDefinition, new CreateIndexOptions { Unique = true }));
+
+            // Cria índice para buscas por texto
+            var textIndexDefinition = Builders<VideoData>.IndexKeys
+                .Text(v => v.Title)
+                .Text(v => v.Description);
+            _videosCollection.Indexes.CreateOne(new CreateIndexModel<VideoData>(textIndexDefinition));
+
+            // Cria índice para buscas por channelId
+            var channelIndexDefinition = Builders<VideoData>.IndexKeys
+                .Ascending(v => v.ChannelId);
+            _videosCollection.Indexes.CreateOne(new CreateIndexModel<VideoData>(channelIndexDefinition));
+
+            // Cria índice para userId + channelId
+            var userChannelIndexDefinition = Builders<VideoData>.IndexKeys
+                .Ascending(v => v.UserId)
+                .Ascending(v => v.ChannelId);
+            _videosCollection.Indexes.CreateOne(new CreateIndexModel<VideoData>(userChannelIndexDefinition));
+        }
+
+        /// <summary>
+        /// Obtém todos os vídeos
+        /// </summary>
+        public async Task<IEnumerable<VideoData>> GetAllAsync()
+        {
+            return await _videosCollection.Find(v => true).ToListAsync();
+        }
+
+        /// <summary>
+        /// Obtém um vídeo pelo ID do MongoDB
+        /// </summary>
+        public async Task<VideoData> GetByIdAsync(string id)
+        {
+            if (!ObjectId.TryParse(id, out _))
+                return null;
+
+            return await _videosCollection.Find(v => v.Id == id).FirstOrDefaultAsync();
+        }
+
+        /// <summary>
+        /// Obtém um vídeo pelo ID do YouTube
+        /// </summary>
+        public async Task<VideoData> GetByVideoIdAsync(string videoId)
+        {
+            return await _videosCollection.Find(v => v.VideoId == videoId).FirstOrDefaultAsync();
+        }
+
+        /// <summary>
+        /// Obtém os vídeos pelo ID do usuário
+        /// </summary>
+        public async Task<IList<VideoData>> GetByUserIdAsync(string userId)
+        {
+            return await _videosCollection.Find(v => v.UserId == userId).ToListAsync();
+        }
+
+        /// <summary>
+        /// Obtém os vídeos pelo ID do canal
+        /// </summary>
+        public async Task<IList<VideoData>> GetByChannelIdAsync(string channelId)
+        {
+            return await _videosCollection.Find(v => v.ChannelId == channelId).ToListAsync();
+        }
+
+        /// <summary>
+        /// Obtém os vídeos pelo ID do usuário e ID do canal
+        /// </summary>
+        public async Task<IList<VideoData>> GetByUserIdAndChannelIdAsync(string userId, string channelId)
+        {
+            return await _videosCollection.Find(v => v.UserId == userId && v.ChannelId == channelId).ToListAsync();
+        }
+
+        /// <summary>
+        /// Obtém um vídeo pelo ID do usuário e ID do vídeo
+        /// </summary>
+        public async Task<VideoData> GetByUserIdAndVideoIdAsync(string userId, string videoId)
+        {
+            return await _videosCollection.Find(v => v.UserId == userId && v.VideoId == videoId).FirstOrDefaultAsync();
+        }
+
+        /// <summary>
+        /// Adiciona um novo vídeo
+        /// </summary>
+        public async Task<VideoData> AddAsync(VideoData videoData)
+        {
+            var existingVideo = await GetByUserIdAndVideoIdAsync(videoData.UserId, videoData.VideoId);
+            if (existingVideo != null)
+                return existingVideo;
+
+            if (string.IsNullOrEmpty(videoData.Id) || !ObjectId.TryParse(videoData.Id, out _))
+            {
+                videoData.Id = ObjectId.GenerateNewId().ToString();
+            }
+
+            videoData.CreatedAt = DateTime.UtcNow;
+
+            try
+            {
+                await _videosCollection.InsertOneAsync(videoData);
+            }
+            catch (MongoWriteException ex)
+            {
+                if (ex.WriteError.Category == ServerErrorCategory.DuplicateKey)
+                {
+                    return await GetByUserIdAndVideoIdAsync(videoData.UserId, videoData.VideoId);
+                }
+                else
+                {
+                    throw;
+                }
+            }
+            return videoData;
+        }
+
+        /// <summary>
+        /// Adiciona vários vídeos de uma vez
+        /// </summary>
+        public async Task<IEnumerable<VideoData>> AddManyAsync(IEnumerable<VideoData> videos)
+        {
+            if (videos == null || !videos.Any())
+                return new List<VideoData>();
+
+            var videosList = videos.ToList();
+            var now = DateTime.UtcNow;
+
+            // Gera novos IDs para o MongoDB se necessário
+            foreach (var videoData in videosList)
+            {
+                if (string.IsNullOrEmpty(videoData.Id) || !ObjectId.TryParse(videoData.Id, out _))
+                {
+                    videoData.Id = ObjectId.GenerateNewId().ToString();
+                }
+                videoData.CreatedAt = now;
+            }
+
+            // Verifica vídeos existentes pelo ID do YouTube e usuário
+            var userIds = videosList.Select(v => v.UserId).Distinct().ToList();
+            var videoIds = videosList.Select(v => v.VideoId).ToList();
+
+            var filter = Builders<VideoData>.Filter.And(
+                Builders<VideoData>.Filter.In(v => v.UserId, userIds),
+                Builders<VideoData>.Filter.In(v => v.VideoId, videoIds)
+            );
+
+            var existingVideos = await _videosCollection.Find(filter).ToListAsync();
+
+            // Filtra apenas os vídeos que ainda não foram adicionados
+            var existingPairs = existingVideos
+                .Select(v => $"{v.UserId}:{v.VideoId}")
+                .ToHashSet();
+
+            var newVideos = videosList
+                .Where(v => !existingPairs.Contains($"{v.UserId}:{v.VideoId}"))
+                .ToList();
+
+            if (newVideos.Any())
+            {
+                try
+                {
+                    await _videosCollection.InsertManyAsync(newVideos);
+                }
+                catch (MongoBulkWriteException)
+                {
+                    // Em caso de erro, adiciona um por um
+                    foreach (var video in newVideos)
+                    {
+                        try { await AddAsync(video); }
+                        catch { /* Ignora erros individuais */ }
+                    }
+                }
+            }
+
+            return newVideos;
+        }
+
+        /// <summary>
+        /// Atualiza um vídeo existente
+        /// </summary>
+        public async Task<bool> UpdateAsync(VideoData videoData)
+        {
+            if (string.IsNullOrEmpty(videoData.Id) || !ObjectId.TryParse(videoData.Id, out _))
+                return false;
+
+            videoData.UpdatedAt = DateTime.UtcNow;
+
+            var result = await _videosCollection.ReplaceOneAsync(
+                v => v.Id == videoData.Id,
+                videoData,
+                new ReplaceOptions { IsUpsert = false });
+
+            return result.IsAcknowledged && result.ModifiedCount > 0;
+        }
+
+        /// <summary>
+        /// Remove um vídeo pelo ID do MongoDB
+        /// </summary>
+        public async Task<bool> DeleteAsync(string id)
+        {
+            if (!ObjectId.TryParse(id, out _))
+                return false;
+
+            var result = await _videosCollection.DeleteOneAsync(v => v.Id == id);
+            return result.IsAcknowledged && result.DeletedCount > 0;
+        }
+
+        /// <summary>
+        /// Remove um vídeo pelo ID do YouTube
+        /// </summary>
+        public async Task<bool> DeleteByVideoIdAsync(string videoId)
+        {
+            var result = await _videosCollection.DeleteOneAsync(v => v.VideoId == videoId);
+            return result.IsAcknowledged && result.DeletedCount > 0;
+        }
+
+        /// <summary>
+        /// Busca vídeos com base em um termo de pesquisa no título ou descrição
+        /// </summary>
+        public async Task<IEnumerable<VideoData>> SearchAsync(string searchTerm)
+        {
+            if (string.IsNullOrWhiteSpace(searchTerm))
+                return await GetAllAsync();
+
+            var filter = Builders<VideoData>.Filter.Text(searchTerm);
+            return await _videosCollection.Find(filter).ToListAsync();
+        }
+    }
+}

Postall.Infra.MongoDB/Settings/MongoDbSetting.cs

@@ -14,5 +14,6 @@ namespace Postall.Infra.MongoDB.Settings
         public string ConnectionString { get; set; }
         public string DatabaseName { get; set; }
         public string ChannelsCollectionName { get; set; }
+        public string VideosCollectionName { get; set; }
     }
 }

Postall.Infra/Extensions/ServiceCollectionExtensions.cs

@@ -11,12 +11,16 @@ namespace BaseDomain.Extensions
         {
             services.AddHttpContextAccessor();
 
-            services.AddScoped<IVideoService, YouTubeServiceVideo>();
+            services.AddScoped<IYouTubeServiceChannel, YouTubeServiceChannel>();
 
             services.AddScoped<IChannelService, ChannelVideoService>();
 
             services.AddScoped<IChannelYoutubeService, ChannelYoutubeService>();
 
+            services.AddScoped<IVideoYoutubeService, VideoYoutubeService>();
+
+            services.AddScoped<IVideoService, VideoService>();
+
             return services;
         }
     }

Postall.Infra/Services/FacebookTokenService.cs

@@ -18,10 +18,17 @@ namespace Postall.Infra.Services
         private readonly IConfiguration _config;
         private readonly HttpClient _httpClient;
 
+        public FacebookTokenService(IConfiguration configuration, IMongoCollection<UserSocialData> tokens, IHttpClientFactory httpClientFactory)
+        {
+            _config = configuration;
+            _tokens = tokens;
+            _httpClient = httpClientFactory.CreateClient("Facebook");
+        }
+
         public async Task<string> GetLongLivedToken(string shortLivedToken)
         {
-            var appId = _config["Authentication:Facebook:AppId"];
-            var appSecret = _config["Authentication:Facebook:AppSecret"];
+            var appId = _config.GetSection("Authentication:Facebook:AppId").Value;
+            var appSecret = _config.GetSection("Authentication:Facebook:AppSecret").Value;
 
             var response = await _httpClient.GetFromJsonAsync<FacebookTokenResponse>(
                 $"https://graph.facebook.com/oauth/access_token?" +

Postall.Infra/Services/VideoYoutubeService .cs

@@ -0,0 +1,134 @@
+using BaseDomain.Results;
+using Microsoft.Extensions.Configuration;
+using Postall.Domain.Dtos;
+using Postall.Domain.Services.Contracts;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Postall.Infra.Services
+{
+    public class VideoYoutubeService : IVideoYoutubeService
+    {
+        private readonly IConfiguration _configuration;
+        private readonly string _apiKey;
+
+        public VideoYoutubeService(IConfiguration configuration)
+        {
+            _configuration = configuration;
+            _apiKey = _configuration["YouTube:ApiKey"];
+        }
+
+        /// <summary>
+        /// Busca os detalhes de um vídeo na API do YouTube
+        /// </summary>
+        public async Task<Result<VideoResponse>> GetVideoDetailsAsync(string videoId)
+        {
+            try
+            {
+                var youtubeService = new YouTubeBaseServiceWrapper(_apiKey);
+
+                var videosRequest = youtubeService.Videos.List("snippet,statistics");
+                videosRequest.Id = videoId;
+
+                var response = await videosRequest.ExecuteAsync();
+
+                if (response.Items.Count == 0)
+                    return Result<VideoResponse>.Failure($"Vídeo não encontrado: {videoId}");
+
+                var video = response.Items[0];
+                var snippet = video.Snippet;
+                var statistics = video.Statistics;
+
+                return new VideoResponse
+                {
+                    VideoId = video.Id,
+                    ChannelId = snippet.ChannelId,
+                    Title = snippet.Title,
+                    Description = snippet.Description,
+                    ThumbnailUrl = snippet.Thumbnails.Medium?.Url ?? snippet.Thumbnails.Default__.Url,
+                    PublishedAt = snippet.PublishedAt.GetValueOrDefault(),
+                    ViewCount = statistics.ViewCount.GetValueOrDefault(),
+                    LikeCount = statistics.LikeCount.GetValueOrDefault(),
+                    DislikeCount = statistics.DislikeCount.GetValueOrDefault(),
+                    CommentCount = statistics.CommentCount.GetValueOrDefault()
+                };
+            }
+            catch (Exception ex)
+            {
+                return Result<VideoResponse>.Failure(ex.Message);
+            }
+        }
+
+        /// <summary>
+        /// Busca vídeos de um canal na API do YouTube
+        /// </summary>
+        public async Task<Result<List<VideoResponse>>> GetChannelVideosAsync(string channelId, int maxResults = 50)
+        {
+            try
+            {
+                var youtubeService = new YouTubeBaseServiceWrapper(_apiKey);
+
+                var searchRequest = youtubeService.Search.List("snippet");
+                searchRequest.ChannelId = channelId;
+                searchRequest.Type = "video";
+                searchRequest.Order = Google.Apis.YouTube.v3.SearchResource.ListRequest.OrderEnum.Date;
+                searchRequest.MaxResults = maxResults;
+
+                var searchResponse = await searchRequest.ExecuteAsync();
+                var videos = new List<VideoResponse>();
+
+                foreach (var item in searchResponse.Items)
+                {
+                    // Para cada resultado, obter os detalhes completos do vídeo
+                    var videoResult = await GetVideoDetailsAsync(item.Id.VideoId);
+                    if (videoResult.IsSuccess)
+                    {
+                        videos.Add(videoResult.Value);
+                    }
+                }
+
+                return videos;
+            }
+            catch (Exception ex)
+            {
+                return Result<List<VideoResponse>>.Failure(ex.Message);
+            }
+        }
+
+        /// <summary>
+        /// Busca vídeos pelo título ou descrição na API do YouTube
+        /// </summary>
+        public async Task<Result<List<VideoResponse>>> SearchVideosAsync(string query, int maxResults = 10)
+        {
+            try
+            {
+                var youtubeService = new YouTubeBaseServiceWrapper(_apiKey);
+
+                var searchRequest = youtubeService.Search.List("snippet");
+                searchRequest.Q = query;
+                searchRequest.Type = "video";
+                searchRequest.MaxResults = maxResults;
+
+                var searchResponse = await searchRequest.ExecuteAsync();
+                var videos = new List<VideoResponse>();
+
+                foreach (var item in searchResponse.Items)
+                {
+                    // Para cada resultado, obter os detalhes completos do vídeo
+                    var videoResult = await GetVideoDetailsAsync(item.Id.VideoId);
+                    if (videoResult.IsSuccess)
+                    {
+                        videos.Add(videoResult.Value);
+                    }
+                }
+
+                return videos;
+            }
+            catch (Exception ex)
+            {
+                return Result<List<VideoResponse>>.Failure(ex.Message);
+            }
+        }
+    }
+}

Postall.Infra/Services/YouTubeServiceChannel.cs

@@ -8,7 +8,7 @@ using System.Security.Claims;
 
 namespace Postall.Infra.Services
 {
-    public class YouTubeServiceVideo: IVideoService
+    public class YouTubeServiceChannel: IYouTubeServiceChannel
     {
         private readonly IConfiguration _configuration;
         private readonly IHttpContextAccessor _httpContextAccessor;
@@ -16,7 +16,7 @@ namespace Postall.Infra.Services
         private readonly string _clientId;
         private readonly string _clientSecret;
 
-        public YouTubeServiceVideo(IConfiguration configuration, IHttpContextAccessor httpContextAccessor)
+        public YouTubeServiceChannel(IConfiguration configuration, IHttpContextAccessor httpContextAccessor)
         {
             _configuration = configuration;
             _httpContextAccessor = httpContextAccessor;

Postall/Controllers/VideosController.cs

@@ -1,75 +1,232 @@
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using Postall.Domain.Services.Contracts;
 using Postall.Models;
-using System.Security.Claims;
-using System.Threading.Tasks;
+using System;
 using System.Collections.Generic;
-using Postall.Models;
+using System.Linq;
+using System.Threading.Tasks;
 
 namespace Postall.Controllers
 {
     [Authorize]
     public class VideosController : Controller
     {
-        // Simulação de dados para exemplo - em produção, estes dados viriam de uma API ou banco de dados
-        private List<VideoViewModel> GetSampleVideos()
+        private readonly IVideoService _videoService;
+        private readonly IChannelService _channelService;
+
+        public VideosController(IVideoService videoService, IChannelService channelService)
         {
-            return new List<VideoViewModel>
+            _videoService = videoService;
+            _channelService = channelService;
+        }
+
+        /// <summary>
+        /// Exibe a página principal com os vídeos organizados por canal
+        /// </summary>
+        public async Task<IActionResult> Index()
+        {
+            try
             {
-                new VideoViewModel
+                // Obtém os canais do usuário
+                var userChannelsResult = await _channelService.GetUserChannelsAsync();
+
+                if (!userChannelsResult.IsSuccess || !userChannelsResult.Value.Any())
                 {
-                    Id = "video1",
-                    Title = "Como usar o PostAll - Tutorial",
-                    Description = "Aprenda a usar todas as funcionalidades do PostAll para gerenciar suas redes sociais.",
-                    ThumbnailUrl = "https://i.ytimg.com/vi/sample1/maxresdefault.jpg",
-                    PublishedAt = DateTime.Now.AddDays(-2)
-                },
-                new VideoViewModel
-                {
-                    Id = "video2",
-                    Title = "Estratégias de Marketing Digital para 2024",
-                    Description = "Conheça as melhores estratégias para alavancar seu negócio nas redes sociais em 2024.",
-                    ThumbnailUrl = "https://i.ytimg.com/vi/sample2/maxresdefault.jpg",
-                    PublishedAt = DateTime.Now.AddDays(-5)
-                },
-                new VideoViewModel
-                {
-                    Id = "video3",
-                    Title = "Análise de Métricas nas Redes Sociais",
-                    Description = "Aprenda a interpretar as métricas das suas redes sociais e tomar decisões baseadas em dados.",
-                    ThumbnailUrl = "https://i.ytimg.com/vi/sample3/maxresdefault.jpg",
-                    PublishedAt = DateTime.Now.AddDays(-7)
+                    return View(new List<ChannelVideosViewModel>());
                 }
-            };
-        }
 
-        public IActionResult Index()
-        {
-            var userVideos = GetSampleVideos();
-            return View(userVideos);
-        }
+                var channelsWithVideos = new List<ChannelVideosViewModel>();
 
-        [HttpGet]
-        public IActionResult GetChannelVideos()
-        {
-            // Em um cenário real, você buscaria os vídeos da API do YouTube
-            var channelVideos = GetSampleVideos().OrderByDescending(v => v.PublishedAt).Take(10).ToList();
-            return PartialView("_ChannelVideosPartial", channelVideos);
-        }
+                // Para cada canal, obtém os vídeos associados
+                foreach (var channel in userChannelsResult.Value)
+                {
+                    var channelVideosResult = await _videoService.GetVideosByChannelIdAsync(channel.ChannelId);
 
-        [HttpPost]
-        public IActionResult AddVideos(string[] selectedVideos)
-        {
-            if (selectedVideos == null || selectedVideos.Length == 0)
+                    var channelVideos = new ChannelVideosViewModel
+                    {
+                        Channel = channel,
+                        Videos = channelVideosResult.IsSuccess
+                            ? channelVideosResult.Value.Select(v => new VideoViewModel
+                            {
+                                Id = v.Id,
+                                VideoId = v.VideoId,
+                                ChannelId = v.ChannelId,
+                                Title = v.Title,
+                                Description = v.Description,
+                                ThumbnailUrl = v.ThumbnailUrl,
+                                PublishedAt = v.PublishedAt,
+                                ViewCount = v.ViewCount,
+                                LikeCount = v.LikeCount,
+                                DislikeCount = v.DislikeCount,
+                                CommentCount = v.CommentCount
+                            }).ToList()
+                            : new List<VideoViewModel>()
+                    };
+
+                    channelsWithVideos.Add(channelVideos);
+                }
+
+                return View(channelsWithVideos);
+            }
+            catch (Exception ex)
             {
+                TempData["Error"] = $"Erro ao carregar vídeos: {ex.Message}";
+                return View(new List<ChannelVideosViewModel>());
+            }
+        }
+
+        /// <summary>
+        /// Exibe os vídeos disponíveis de um canal para serem adicionados
+        /// </summary>
+        [HttpGet]
+        public async Task<IActionResult> GetChannelVideos(string channelId)
+        {
+            try
+            {
+                var channelVideosResult = await _videoService.GetChannelVideosFromYouTubeAsync(channelId);
+
+                if (!channelVideosResult.IsSuccess)
+                {
+                    
+                    return PartialView("_ChannelVideos", new List<VideoViewModel>());
+                }
+
+                var videosViewModel = channelVideosResult.Value.Select(v => new VideoViewModel
+                {
+                    Id = v.Id,
+                    VideoId = v.VideoId,
+                    ChannelId = v.ChannelId,
+                    Title = v.Title,
+                    Description = v.Description,
+                    ThumbnailUrl = v.ThumbnailUrl,
+                    PublishedAt = v.PublishedAt,
+                    ViewCount = v.ViewCount,
+                    LikeCount = v.LikeCount,
+                    DislikeCount = v.DislikeCount,
+                    CommentCount = v.CommentCount
+                }).ToList();
+
+                return PartialView("_ChannelVideos", videosViewModel);
+            }
+            catch (Exception ex)
+            {
+                return Json(new { success = false, message = ex.Message });
+            }
+        }
+
+        /// <summary>
+        /// Adiciona vários vídeos à lista do usuário
+        /// </summary>
+        [HttpPost]
+        public async Task<IActionResult> AddVideos(string channelId, List<string> selectedVideos)
+        {
+            if (string.IsNullOrEmpty(channelId))
+            {
+                TempData["Error"] = "ID do canal é obrigatório";
                 return RedirectToAction("Index");
             }
 
-            // Em um cenário real, você salvaria esses IDs no banco de dados
-            // Aqui apenas redirecionamos de volta para o Index
+            if (selectedVideos == null || !selectedVideos.Any())
+            {
+                TempData["Error"] = "Selecione pelo menos um vídeo para adicionar";
+                return RedirectToAction("Index");
+            }
+
+            try
+            {
+                var result = await _videoService.AddVideosAsync(selectedVideos, channelId);
+
+                if (result.IsSuccess)
+                {
+                    TempData["Message"] = "Vídeos adicionados com sucesso!";
+                }
+                else
+                {
+                    TempData["Error"] = $"Erro ao adicionar vídeos: {result.Error.Description}";
+                }
+            }
+            catch (Exception ex)
+            {
+                TempData["Error"] = $"Erro ao adicionar vídeos: {ex.Message}";
+            }
 
-            TempData["Message"] = $"{selectedVideos.Length} vídeo(s) adicionado(s) com sucesso!";
             return RedirectToAction("Index");
         }
+
+        /// <summary>
+        /// Remove um vídeo da lista do usuário
+        /// </summary>
+        [HttpPost]
+        public async Task<IActionResult> Remove(string id, string channelId)
+        {
+            if (string.IsNullOrEmpty(id))
+            {
+                TempData["Error"] = "ID do vídeo é obrigatório";
+                return RedirectToAction("Index");
+            }
+
+            try
+            {
+                var result = await _videoService.RemoveVideoAsync(id);
+
+                if (result.IsSuccess)
+                {
+                    TempData["Message"] = "Vídeo removido com sucesso!";
+                }
+                else
+                {
+                    TempData["Error"] = $"Erro ao remover vídeo: {result.Error.Description}";
+                }
+            }
+            catch (Exception ex)
+            {
+                TempData["Error"] = $"Erro ao remover vídeo: {ex.Message}";
+            }
+
+            return RedirectToAction("Index");
+        }
+
+        /// <summary>
+        /// Busca vídeos no YouTube
+        /// </summary>
+        [HttpGet]
+        public async Task<IActionResult> Search(string query, string channelId)
+        {
+            if (string.IsNullOrEmpty(query) || query.Length < 3)
+            {
+                return Json(new { success = false, message = "A consulta deve ter pelo menos 3 caracteres" });
+            }
+
+            try
+            {
+                var results = await _videoService.SearchVideosAsync(query);
+
+                if (results.IsSuccess)
+                {
+                    var videosViewModel = results.Value.Select(v => new VideoViewModel
+                    {
+                        VideoId = v.VideoId,
+                        ChannelId = channelId, // Usado para saber a qual canal adicionar
+                        Title = v.Title,
+                        Description = v.Description,
+                        ThumbnailUrl = v.ThumbnailUrl,
+                        PublishedAt = v.PublishedAt,
+                        ViewCount = v.ViewCount,
+                        LikeCount = v.LikeCount,
+                        DislikeCount = v.DislikeCount,
+                        CommentCount = v.CommentCount
+                    }).ToList();
+
+                    return Json(new { success = true, data = videosViewModel });
+                }
+
+                return Json(new { success = false, message = "Erro ao buscar vídeos" });
+            }
+            catch (Exception ex)
+            {
+                return Json(new { success = false, message = ex.Message });
+            }
+        }
     }
 }

Postall/Models/ChannelVideosViewModel.cs

@@ -0,0 +1,11 @@
+using Postall.Domain.Dtos;
+using System.Collections.Generic;
+
+namespace Postall.Models
+{
+    public class ChannelVideosViewModel
+    {
+        public ChannelResponse Channel { get; set; }
+        public List<VideoViewModel> Videos { get; set; } = new List<VideoViewModel>();
+    }
+}

Postall/Models/VideoViewModel.cs

@@ -2,20 +2,19 @@
 
 namespace Postall.Models
 {
-
     public class VideoViewModel
     {
         public string Id { get; set; }
+        public string VideoId { get; set; }
+        public string ChannelId { get; set; }
         public string Title { get; set; }
         public string Description { get; set; }
         public string ThumbnailUrl { get; set; }
         public DateTime PublishedAt { get; set; }
-        public bool IsSelected { get; set; }
-
-        // Propriedades adicionais que podem ser úteis no futuro
-        public string ChannelTitle { get; set; }
-        public string ChannelId { get; set; }
-        public string VideoUrl => $"https://www.youtube.com/watch?v={Id}";
+        public string VideoUrl => $"https://www.youtube.com/watch?v={VideoId}";
+        public ulong ViewCount { get; set; }
+        public ulong LikeCount { get; set; }
+        public ulong DislikeCount { get; set; }
+        public ulong CommentCount { get; set; }
     }
-}
-
+}

Postall/Views/Videos/Index.cshtml

@@ -1,18 +1,87 @@
-@model List<Postall.Models.VideoViewModel>
+@model List<Postall.Models.ChannelVideosViewModel>
 @{
     ViewData["Title"] = "Gerenciador de Vídeos";
 }
 
+<style>
+    /* Estilos para cards de vídeo na página principal */
+    .card-title-truncate {
+        width: 100%;
+        white-space: nowrap;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        margin-bottom: 0;
+    }
+
+    .card-desc-truncate {
+        height: 60px;
+        overflow: hidden;
+        display: -webkit-box;
+        -webkit-line-clamp: 3;
+        -webkit-box-orient: vertical;
+        margin-bottom: 0;
+    }
+
+    /* Garantir que o thumbnail tenha tamanho consistente */
+    .video-thumbnail {
+        width: 100%;
+        height: 100px;
+        object-fit: cover;
+    }
+
+    /* Garantir altura consistente para os cards */
+    .video-card {
+        height: 100%;
+    }
+
+    /* Estilo para o botão ler mais */
+    .read-more-btn {
+        font-size: 0.8rem;
+        color: #007bff;
+        cursor: pointer;
+        display: inline-block;
+        margin-top: 3px;
+    }
+
+        .read-more-btn:hover {
+            text-decoration: underline;
+        }
+
+    /* Estilo para o conteúdo expandido em largura total */
+    .description-expanded {
+        max-height: 150px;
+        overflow-y: auto;
+        padding: 10px;
+        background-color: #f8f9fa;
+        border-radius: 0 0 4px 4px;
+        border-top: 1px solid #dee2e6;
+        margin: 10px 5px 5px 5px; /* Margem negativa para alinhar com os limites do card */
+        display: none;
+        position: relative;
+        z-index: 5;
+    }
+
+    /* Ajuste na posição do botão Fechar */
+    .card-body {
+        padding-bottom: 5px;
+    }
+
+    /* Ajuste para cards com descrição expandida */
+    .card-with-expanded-desc {
+        overflow: visible;
+    }
+</style>
+
 <div class="container mt-4">
     <div class="row mb-4">
         <div class="col-md-8">
             <h2>Meus Vídeos</h2>
-            <p class="text-muted">Gerencie seus vídeos do YouTube</p>
+            <p class="text-muted">Gerencie seus vídeos do YouTube por canal</p>
         </div>
         <div class="col-md-4 text-right">
-            <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#addVideosModal">
-                <i class="bi bi-plus-circle"></i> Adicionar Vídeos
-            </button>
+            <a href="@Url.Action("Index", "Channels")" class="btn btn-outline-primary mr-2">
+                <i class="bi bi-collection"></i> Gerenciar Canais
+            </a>
         </div>
     </div>
 
@@ -26,65 +95,122 @@
         </div>
     }
 
-    <div class="row">
-        @if (Model != null && Model.Any())
-        {
-            foreach (var video in Model)
+    @if (TempData["Error"] != null)
+    {
+        <div class="alert alert-danger alert-dismissible fade show" role="alert">
+            @TempData["Error"]
+            <button type="button" class="close" data-dismiss="alert" aria-label="Close">
+                <span aria-hidden="true">&times;</span>
+            </button>
+        </div>
+    }
+
+    @if (Model == null || !Model.Any())
+    {
+        <div class="alert alert-info">
+            <i class="bi bi-info-circle"></i> Você não possui nenhum canal com vídeos.
+            <a href="@Url.Action("Index", "Channels")">Clique aqui</a> para adicionar um canal primeiro.
+        </div>
+    }
+    else
+    {
+        <div class="accordion" id="channelsAccordion">
+            @foreach (var channelVideos in Model)
             {
-                <div class="col-md-6 mb-4">
-                    <div class="card">
-                        <div class="card-header bg-transparent">
-                            <div class="d-flex justify-content-between align-items-center">
-                                <h5 class="mb-0">@video.Title</h5>
-                                <button class="btn btn-sm btn-link" type="button" data-toggle="collapse"
-                                        data-target="#collapse-@video.Id" aria-expanded="false">
+                <div class="card mb-4">
+                    <div class="card-header" id="heading-@channelVideos.Channel.Id">
+                        <div class="d-flex justify-content-between align-items-center">
+                            <div class="d-flex align-items-center">
+                                <img src="@channelVideos.Channel.ThumbnailUrl" alt="@channelVideos.Channel.Title" class="img-thumbnail mr-3" style="width: 50px; height: 50px;">
+                                <h5 class="mb-0">@channelVideos.Channel.Title</h5>
+                            </div>
+                            <div>
+                                <button class="btn btn-link" type="button" data-toggle="collapse"
+                                        data-target="#collapse-@channelVideos.Channel.Id" aria-expanded="true"
+                                        aria-controls="collapse-@channelVideos.Channel.Id">
                                     <i class="bi bi-chevron-down"></i>
                                 </button>
+                                <button type="button" class="btn btn-primary btn-sm"
+                                        onclick="loadChannelVideos('@channelVideos.Channel.ChannelId')"
+                                        data-toggle="modal" data-target="#addVideosModal">
+                                    <i class="bi bi-plus-circle"></i> Adicionar Vídeos
+                                </button>
                             </div>
                         </div>
+                    </div>
+
+                    <div id="collapse-@channelVideos.Channel.Id" class="collapse show"
+                         aria-labelledby="heading-@channelVideos.Channel.Id" data-parent="#channelsAccordion">
                         <div class="card-body">
-                            <div class="row">
-                                <div class="col-md-5">
-                                    <img src="@video.ThumbnailUrl" alt="@video.Title" class="img-fluid rounded">
+                            @if (channelVideos.Videos != null && channelVideos.Videos.Any())
+                            {
+                                <div class="row">
+                                    @foreach (var video in channelVideos.Videos)
+                                    {
+                                        <div class="col-md-6 mb-4">
+                                            <div class="card video-card">
+                                                <div class="card-header bg-transparent">
+                                                    <div class="d-flex justify-content-between align-items-center">
+                                                        <h5 class="card-title-truncate">@video.Title</h5>
+                                                        <button class="btn btn-sm btn-link" type="button" data-toggle="collapse"
+                                                                data-target="#videoCollapse-@video.Id" aria-expanded="false">
+                                                            <i class="bi bi-chevron-down"></i>
+                                                        </button>
+                                                    </div>
+                                                </div>
+                                                <div class="card-body">
+                                                    <div class="row">
+                                                        <div class="col-md-5">
+                                                            <img src="@video.ThumbnailUrl" alt="@video.Title" class="img-fluid rounded video-thumbnail">
+                                                        </div>
+                                                        <div class="col-md-7">
+                                                            <div>
+                                                                <p class="card-desc-truncate mb-0">@video.Description</p>
+                                                                <span class="read-more-btn" data-target="main-desc-@video.Id">Ler mais</span>
+                                                            </div>
+                                                            <p class="text-muted small mt-2">Publicado em: @video.PublishedAt.ToString("dd/MM/yyyy")</p>
+                                                        </div>
+                                                    </div>
+                                                    <div id="main-desc-@video.Id" class="description-expanded">
+                                                        <p><b>@video.Title</b></p>
+                                                        @video.Description
+                                                    </div>
+                                                </div>
+                                                <div class="collapse" id="videoCollapse-@video.Id">
+                                                    <div class="card-footer bg-white">
+                                                        <div class="d-flex justify-content-between">
+                                                            <div>
+                                                                <a href="@video.VideoUrl" target="_blank" class="btn btn-sm btn-outline-primary">
+                                                                    <i class="bi bi-youtube"></i> Ver no YouTube
+                                                                </a>
+                                                            </div>
+                                                            <div>
+                                                                <button class="btn btn-sm btn-outline-danger"
+                                                                        onclick="removeVideo('@video.Id', '@channelVideos.Channel.Id')">
+                                                                    <i class="bi bi-trash"></i> Remover
+                                                                </button>
+                                                            </div>
+                                                        </div>
+                                                    </div>
+                                                </div>
+                                            </div>
+                                        </div>
+                                    }
                                 </div>
-                                <div class="col-md-7">
-                                    <p class="card-text">@(video.Description?.Length > 100 ? video.Description.Substring(0, 100) + "..." : video.Description)</p>
-                                    <p class="text-muted small">Publicado em: @video.PublishedAt.ToString("dd/MM/yyyy")</p>
+                            }
+                            else
+                            {
+                                <div class="alert alert-info">
+                                    <i class="bi bi-info-circle"></i> Este canal não possui vídeos adicionados.
+                                    Clique em "Adicionar Vídeos" para começar.
                                 </div>
-                            </div>
-                        </div>
-                        <div class="collapse" id="collapse-@video.Id">
-                            <div class="card-footer bg-white">
-                                <div class="d-flex justify-content-between">
-                                    <div>
-                                        <a href="@video.VideoUrl" target="_blank" class="btn btn-sm btn-outline-primary">
-                                            <i class="bi bi-youtube"></i> Ver no YouTube
-                                        </a>
-                                    </div>
-                                    <div>
-                                        <button class="btn btn-sm btn-outline-secondary mr-1">
-                                            <i class="bi bi-pencil"></i> Editar
-                                        </button>
-                                        <button class="btn btn-sm btn-outline-danger">
-                                            <i class="bi bi-trash"></i> Remover
-                                        </button>
-                                    </div>
-                                </div>
-                            </div>
+                            }
                         </div>
                     </div>
                 </div>
             }
-        }
-        else
-        {
-            <div class="col-12">
-                <div class="alert alert-info">
-                    <i class="bi bi-info-circle"></i> Você ainda não possui vídeos. Clique em "Adicionar Vídeos" para começar.
-                </div>
-            </div>
-        }
-    </div>
+        </div>
+    }
 </div>
 
 <!-- Modal para adicionar vídeos -->
@@ -92,7 +218,7 @@
     <div class="modal-dialog modal-lg" role="document">
         <div class="modal-content">
             <div class="modal-header">
-                <h5 class="modal-title" id="addVideosModalLabel">Adicionar Vídeos do YouTube</h5>
+                <h5 class="modal-title" id="addVideosModalLabel">Adicionar Vídeos do Canal</h5>
                 <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                     <span aria-hidden="true">&times;</span>
                 </button>
@@ -115,28 +241,69 @@
     </div>
 </div>
 
+<!-- Formulário oculto para remover vídeos -->
+<form id="removeVideoForm" method="post" action="@Url.Action("Remove", "Videos")">
+    <input type="hidden" id="videoIdToRemove" name="id">
+    <input type="hidden" id="channelIdForRemove" name="channelId">
+</form>
+
 @section Scripts {
     <script type="text/javascript">
-        $(function () {
-            // Carrega os vídeos do canal quando o modal é aberto
-            $('#addVideosModal').on('shown.bs.modal', function () {
-                loadChannelVideos();
-            });
+        // Variável para armazenar o ID do canal atual
+        let currentChannelId = '';
 
-            // Função para carregar os vídeos do canal
-            function loadChannelVideos() {
-                $.ajax({
-                    url: '@Url.Action("GetChannelVideos", "Videos")',
-                    type: 'GET',
-                    success: function (result) {
-                        $('#channelVideosContainer').html(result);
-                    },
-                    error: function (error) {
-                        $('#channelVideosContainer').html('<div class="alert alert-danger">Erro ao carregar vídeos. Tente novamente.</div>');
-                        console.error('Erro:', error);
-                    }
-                });
+        // Função para carregar os vídeos do canal
+        function loadChannelVideos(channelId) {
+            currentChannelId = channelId;
+
+            $.ajax({
+                url: '@Url.Action("GetChannelVideos", "Videos")',
+                type: 'GET',
+                data: { channelId: channelId },
+                success: function (result) {
+                    $('#channelVideosContainer').html(result);
+
+                    // Inicializa os botões "Ler mais" após carregar o conteúdo
+                    setTimeout(function() {
+                        initReadMoreButtons();
+                    }, 200);
+                },
+                error: function (error) {
+                    $('#channelVideosContainer').html('<div class="alert alert-danger">Erro ao carregar vídeos. Tente novamente.</div>');
+                    console.error('Erro:', error);
+                }
+            });
+        }
+
+        // Função para remover um vídeo
+        function removeVideo(videoId, channelId) {
+            if (confirm('Tem certeza que deseja remover este vídeo?')) {
+                $('#videoIdToRemove').val(videoId);
+                $('#channelIdForRemove').val(channelId);
+                $('#removeVideoForm').submit();
             }
+        }
+
+        // Função para inicializar os botões "Ler mais"
+        function initReadMoreButtons() {
+            $('.read-more-btn').off('click').on('click', function() {
+                var targetId = $(this).data('target');
+                $('#' + targetId).slideToggle(200);
+
+                // Alternar texto do botão
+                var btnText = $(this).text() === 'Ler mais' ? 'Fechar' : 'Ler mais';
+                $(this).text(btnText);
+            });
+        }
+
+        $(function () {
+            // Inicializar botões "Ler mais" na carga da página
+            initReadMoreButtons();
+
+            // Reinicializar botões quando um accordion é aberto
+            $('.collapse').on('shown.bs.collapse', function () {
+                initReadMoreButtons();
+            });
 
             // Manipula o clique no botão de adicionar vídeos selecionados
             $('#btnAddSelectedVideos').click(function () {
@@ -155,6 +322,9 @@
                 // Cria um formulário para enviar os IDs dos vídeos selecionados
                 var form = $('<form action="@Url.Action("AddVideos", "Videos")" method="post"></form>');
 
+                // Adiciona o ID do canal
+                form.append('<input type="hidden" name="channelId" value="' + currentChannelId + '">');
+
                 // Adiciona inputs ocultos para cada vídeo selecionado
                 selectedVideos.forEach(function (videoId) {
                     form.append('<input type="hidden" name="selectedVideos" value="' + videoId + '">');

Postall/Views/Videos/_ChannelVideos.cshtml

@@ -0,0 +1,136 @@
+@model List<Postall.Models.VideoViewModel>
+
+@if (Model == null || !Model.Any())
+{
+    <div class="alert alert-info">
+        <i class="bi bi-info-circle"></i> Não há vídeos disponíveis para este canal.
+    </div>
+}
+else
+{
+    <div class="form-group mb-3">
+        <div class="input-group">
+            <div class="input-group-prepend">
+                <span class="input-group-text"><i class="bi bi-search"></i></span>
+            </div>
+            <input type="text" id="videoSearchInput" class="form-control" placeholder="Filtrar vídeos...">
+        </div>
+    </div>
+
+    <style>
+        /* Estilos para os cards de vídeo */
+        .video-item .card {
+            height: 100%;
+            position: relative;
+        }
+
+        .video-item .video-image {
+            width: 120px;
+            height: 67px;
+            object-fit: cover;
+        }
+        /* Estilo para o título do vídeo */
+        .video-title {
+            display: block;
+            width: 100%;
+            overflow: hidden;
+            text-overflow: ellipsis;
+            white-space: nowrap;
+        }
+        /* Estilo para a descrição do vídeo */
+        .video-description {
+            height: 40px;
+            overflow: hidden;
+            display: -webkit-box;
+            -webkit-line-clamp: 2;
+            -webkit-box-orient: vertical;
+        }
+        /* Estilo para o botão ler mais */
+        .read-more-btn {
+            font-size: 0.8rem;
+            color: #007bff;
+            cursor: pointer;
+            display: inline-block;
+            margin-top: 3px;
+        }
+
+            .read-more-btn:hover {
+                text-decoration: underline;
+            }
+        /* Estilo para o conteúdo expandido */
+        .description-expanded {
+            max-height: 150px;
+            overflow-y: auto;
+            padding: 10px;
+            background-color: #f8f9fa;
+            border-radius: 0 0 4px 4px;
+            border-top: 1px solid #dee2e6;
+            margin: 10px -20px -20px -20px; /* Margem negativa para alinhar com os limites do card */
+            display: none;
+            position: relative;
+            z-index: 5;
+        }
+
+        /* Ajuste na posição do botão Fechar */
+        .card-body {
+            padding-bottom: 5px;
+        }
+    </style>
+
+    <div class="row" id="videosList">
+        @foreach (var video in Model)
+        {
+            <div class="col-md-6 mb-3 video-item">
+                <div class="card">
+                    <div class="card-body p-3">
+                        <div class="d-flex">
+                            <div class="flex-shrink-0 mr-3">
+                                <img src="@video.ThumbnailUrl" alt="@video.Title" class="img-thumbnail video-image">
+                            </div>
+                            <div class="flex-grow-1 overflow-hidden">
+                                <div class="form-check">
+                                    <input class="form-check-input video-checkbox" type="checkbox" value="@video.VideoId" id="video-@video.VideoId">
+                                    <label class="form-check-label w-100" for="video-@video.VideoId">
+                                        <h6 class="mb-1 video-title">@video.Title</h6>
+                                    </label>
+                                </div>
+                                <p class="text-muted small mb-1">Publicado em: @video.PublishedAt.ToString("dd/MM/yyyy")</p>
+                                <div>
+                                    <p class="small video-description mb-0">@video.Description</p>
+                                    <span class="read-more-btn" data-target="desc-@video.VideoId">Ler mais</span>
+                                </div>
+                            </div>
+                        </div>
+                        <div id="desc-@video.VideoId" class="description-expanded">
+                            <p><b>@video.Title</b></p>
+                            @video.Description
+                        </div>
+                    </div>
+                </div>
+            </div>
+        }
+    </div>
+
+    <script>
+        $(function() {
+            // Manipular clique no botão "Ler mais"
+            $('.read-more-btn').click(function() {
+                var targetId = $(this).data('target');
+                $('#' + targetId).slideToggle(200);
+
+                // Alternar texto do botão
+                var btnText = $(this).text() === 'Ler mais' ? 'Fechar' : 'Ler mais';
+                $(this).text(btnText);
+            });
+
+            // Filtro de vídeos
+            $('#videoSearchInput').on('keyup', function() {
+                var value = $(this).val().toLowerCase();
+                $('.video-item').filter(function() {
+                    var title = $(this).find('.video-title').text().toLowerCase();
+                    $(this).toggle(title.indexOf(value) > -1);
+                });
+            });
+        });
+    </script>
+}

Postall/Views/Videos/_ChannelVideosPartial.cshtml

@@ -1,51 +0,0 @@
-@model List<Postall.Models.VideoViewModel>
-
-<form id="channelVideosForm">
-    <h6 class="mb-3">Últimos 10 vídeos disponíveis (ordenados por data):</h6>
-
-    @if (Model != null && Model.Any())
-    {
-        <div class="list-group">
-            @foreach (var video in Model)
-            {
-                <div class="list-group-item list-group-item-action flex-column align-items-start">
-                    <div class="d-flex">
-                        <div class="checkbox-container mr-3 mt-1">
-                            <div class="form-check">
-                                <input class="form-check-input video-checkbox" type="checkbox" value="@video.Id" id="video-@video.Id">
-                            </div>
-                        </div>
-                        <div class="row w-100">
-                            <div class="col-md-4">
-                                <img src="@video.ThumbnailUrl" alt="@video.Title" class="img-fluid rounded">
-                            </div>
-                            <div class="col-md-8">
-                                <div class="d-flex w-100 justify-content-between">
-                                    <h5 class="mb-1">@video.Title</h5>
-                                    <small>@video.PublishedAt.ToString("dd/MM/yyyy")</small>
-                                </div>
-                                <p class="mb-1">@video.Description</p>
-                                <small class="text-muted">
-                                    <i class="bi bi-youtube"></i>
-                                    @(video.ChannelTitle ?? "Seu Canal")
-                                </small>
-                            </div>
-                        </div>
-                    </div>
-                </div>
-            }
-        </div>
-    }
-    else
-    {
-        <div class="alert alert-info">
-            Nenhum vídeo encontrado nos canais aos quais você tem acesso.
-        </div>
-    }
-</form>
-
-<style>
-    .checkbox-container {
-        min-width: 30px;
-    }
-</style>

Postall/appsettings.json

@@ -28,6 +28,7 @@
   "MongoDbSettings": {
     "ConnectionString": "mongodb://localhost:27017",
     "DatabaseName": "YouTubeChannelsDB",
-    "ChannelsCollectionName": "Channels"
+    "ChannelsCollectionName": "Channels",
+    "VideosCollectionName": "Videos"
   }
 }