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shiyu
322
Controllers/PictureController.cs
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322
Controllers/PictureController.cs
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Foxel.Models;
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using Foxel.Models.DataBase;
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using Foxel.Models.Request.Picture;
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using Foxel.Models.Response.Picture;
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using Foxel.Services.Interface;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace Foxel.Controllers;
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[Authorize]
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[Route("api/picture")]
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public class PictureController(IPictureService pictureService,IConfigService configService) : BaseApiController
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{
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[HttpGet("get_pictures")]
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public async Task<ActionResult<PaginatedResult<PictureResponse>>> GetPictures(
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[FromQuery] FilteredPicturesRequest request)
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{
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try
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{
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List<string>? tagsList = null;
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if (!string.IsNullOrWhiteSpace(request.Tags))
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{
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tagsList = request.Tags.Split(',')
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.Select(t => t.Trim())
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.Where(t => !string.IsNullOrWhiteSpace(t))
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.ToList();
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}
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var currentUserId = GetCurrentUserId();
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var result = await pictureService.GetPicturesAsync(
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request.Page,
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request.PageSize,
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request.SearchQuery,
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tagsList,
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request.StartDate,
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request.EndDate,
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currentUserId,
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request.SortBy,
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request.OnlyWithGps,
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request.UseVectorSearch,
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request.SimilarityThreshold,
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request.ExcludeAlbumId,
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request.AlbumId,
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request.OnlyFavorites,
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request.OwnerId,
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request.IncludeAllPublic
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);
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return PaginatedSuccess(result.Data, result.TotalCount, result.Page, result.PageSize);
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}
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catch (Exception ex)
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{
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return PaginatedError<PictureResponse>($"获取图片失败: {ex.Message}", 500);
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}
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}
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[AllowAnonymous]
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[HttpPost("upload_picture")]
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[Consumes("multipart/form-data")]
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public async Task<ActionResult<BaseResult<PictureResponse>>> UploadPicture(
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[FromForm] UploadPictureRequest request)
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{
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if (request.File.Length == 0)
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return Error<PictureResponse>("没有上传文件");
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try
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{
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var userId = GetCurrentUserId();
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await using var stream = request.File.OpenReadStream();
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var result = await pictureService.UploadPictureAsync(
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request.File.FileName,
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stream,
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request.File.ContentType,
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userId,
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(PermissionType)request.Permission!,
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request.AlbumId
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);
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var picture = result.Picture;
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return Success(picture, "图片上传成功");
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}
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catch (KeyNotFoundException ex)
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{
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return Error<PictureResponse>(ex.Message, 404);
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}
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catch (Exception ex)
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{
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return Error<PictureResponse>($"上传图片失败: {ex.Message}", 500);
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}
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}
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[HttpPost("delete_pictures")]
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public async Task<ActionResult<BaseResult<object>>> DeleteMultiplePictures(
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[FromBody] DeleteMultiplePicturesRequest request)
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{
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try
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{
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var currentUserId = GetCurrentUserId();
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if (currentUserId == null)
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return Error<object>("无法识别用户信息");
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if (!request.PictureIds.Any())
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return Error<object>("未提供要删除的图片ID");
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// 获取删除结果
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var results = await pictureService.DeleteMultiplePicturesAsync(request.PictureIds);
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// 权限验证和处理结果
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var unauthorizedIds = new List<int>();
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var notFoundIds = new List<int>();
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var successIds = new List<int>();
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var errors = new Dictionary<int, string>();
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foreach (var (pictureId, (success, errorMessage, ownerId)) in results)
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{
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// 检查权限
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if (ownerId.HasValue && ownerId.Value != currentUserId.Value)
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{
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unauthorizedIds.Add(pictureId);
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continue;
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}
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if (!success)
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{
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notFoundIds.Add(pictureId);
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}
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else if (!string.IsNullOrEmpty(errorMessage))
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{
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errors[pictureId] = errorMessage;
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}
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else
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{
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successIds.Add(pictureId);
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}
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}
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// 如果有未授权或其他错误，返回适当的响应
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if (unauthorizedIds.Any() || notFoundIds.Any() || errors.Any())
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{
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var messages = new List<string>();
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if (unauthorizedIds.Any())
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messages.Add($"无权删除以下图片: {string.Join(", ", unauthorizedIds)}");
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if (notFoundIds.Any())
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messages.Add($"找不到以下图片: {string.Join(", ", notFoundIds)}");
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if (errors.Any())
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messages.Add(string.Join("; ", errors.Select(e => $"图片ID {e.Key}: {e.Value}")));
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return StatusCode(207, new BaseResult<object>
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{
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Success = successIds.Any(),
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Message = string.Join("; ", messages),
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StatusCode = 207,
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Data = new
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{
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SuccessCount = successIds.Count,
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SuccessIds = successIds,
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UnauthorizedIds = unauthorizedIds,
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NotFoundIds = notFoundIds,
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Errors = errors
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}
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});
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}
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return Success<object>($"成功删除 {successIds.Count} 张图片");
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}
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catch (Exception ex)
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{
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return Error<object>($"删除图片失败: {ex.Message}", 500);
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}
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}
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[HttpPost("update_picture")]
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public async Task<ActionResult<BaseResult<PictureResponse>>> UpdatePicture(
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[FromBody] UpdatePictureRequestWithId request)
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{
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try
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{
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var currentUserId = GetCurrentUserId();
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if (currentUserId == null)
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return Error<PictureResponse>("无法识别用户信息");
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var (picture, ownerId) = await pictureService.UpdatePictureAsync(
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request.Id, request.Name, request.Description, request.Tags);
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// 权限验证
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if (ownerId.HasValue && ownerId.Value != currentUserId.Value)
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{
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return Error<PictureResponse>("您没有权限更新此图片", 403);
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}
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return Success(picture, "图片信息已成功更新");
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}
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catch (KeyNotFoundException)
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{
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return Error<PictureResponse>("找不到要更新的图片", 404);
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}
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catch (Exception ex)
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{
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return Error<PictureResponse>($"更新图片失败: {ex.Message}", 500);
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}
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}
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[HttpPost("favorite")]
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public async Task<ActionResult<BaseResult<bool>>> FavoritePicture([FromBody] FavoriteRequest request)
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{
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try
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{
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var userId = GetCurrentUserId();
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if (userId == null)
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return Error<bool>("无法识别用户信息", 401);
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var result = await pictureService.FavoritePictureAsync(request.PictureId, userId.Value);
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return Success(result, "图片收藏成功");
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}
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catch (KeyNotFoundException)
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{
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return Error<bool>("找不到指定图片", 404);
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}
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catch (InvalidOperationException ex)
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{
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return Error<bool>(ex.Message);
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}
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catch (Exception ex)
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{
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return Error<bool>($"收藏图片失败: {ex.Message}", 500);
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}
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}
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[HttpPost("unfavorite")]
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public async Task<ActionResult<BaseResult<bool>>> UnfavoritePicture([FromBody] FavoriteRequest request)
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{
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try
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{
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var userId = GetCurrentUserId();
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if (userId == null)
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return Error<bool>("无法识别用户信息", 401);
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var result = await pictureService.UnfavoritePictureAsync(request.PictureId, userId.Value);
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return Success(result, "已取消收藏");
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}
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catch (KeyNotFoundException)
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{
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return Error<bool>("找不到指定图片或收藏记录", 404);
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}
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catch (Exception ex)
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{
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return Error<bool>($"取消收藏失败: {ex.Message}", 500);
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}
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}
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[HttpGet("get_telegram_file")]
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[AllowAnonymous]
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public async Task<IActionResult> GetTelegramFile([FromQuery] string fileId)
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{
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try
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{
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var botToken = configService["Storage:TelegramStorageBotToken"];
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if (string.IsNullOrEmpty(botToken))
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return BadRequest("Telegram Bot Token 未配置");
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using var httpClient = new HttpClient();
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var getFileUrl = $"https://api.telegram.org/bot{botToken}/getFile?file_id={fileId}";
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var getFileResponse = await httpClient.GetAsync(getFileUrl);
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if (!getFileResponse.IsSuccessStatusCode)
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{
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var errorContent = await getFileResponse.Content.ReadAsStringAsync();
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return StatusCode((int)getFileResponse.StatusCode, $"获取文件路径失败: {errorContent}");
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}
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var getFileContent = await getFileResponse.Content.ReadAsStringAsync();
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var getFileResult = JsonSerializer.Deserialize<TelegramGetFileResponse>(getFileContent);
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if (getFileResult == null || !getFileResult.Ok || string.IsNullOrEmpty(getFileResult.Result?.FilePath))
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{
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return BadRequest("无法解析 Telegram 文件路径");
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}
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var filePath = getFileResult.Result.FilePath;
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var fileUrl = $"https://api.telegram.org/file/bot{botToken}/{filePath}";
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var fileResponse = await httpClient.GetAsync(fileUrl);
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if (!fileResponse.IsSuccessStatusCode)
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{
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return StatusCode((int)fileResponse.StatusCode, "下载文件失败");
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}
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var contentType = fileResponse.Content.Headers.ContentType?.ToString() ?? "application/octet-stream";
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var fileStream = await fileResponse.Content.ReadAsStreamAsync();
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return File(fileStream, contentType);
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}
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catch (Exception ex)
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{
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return StatusCode(500, $"代理获取文件失败: {ex.Message}");
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}
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}
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// 用于解析 Telegram getFile API 响应的辅助类
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private class TelegramGetFileResponse
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{
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[JsonPropertyName("ok")]
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public bool Ok { get; set; }
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[JsonPropertyName("result")]
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public TelegramFileResult? Result { get; set; }
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}
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private class TelegramFileResult
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{
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[JsonPropertyName("file_path")]
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public string? FilePath { get; set; }
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}
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}
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