feat: Support multiple vector database selection, add InMemory and Qdrant adapters, introduce admin dashboard

Services/Management/PictureManagementService.cs

@@ -0,0 +1,218 @@
+using Foxel.Models;
+using Foxel.Models.Response.Picture;
+using Foxel.Services.Configuration;
+using Foxel.Services.Storage;
+using Microsoft.EntityFrameworkCore;
+
+namespace Foxel.Services.Management;
+
+public class PictureManagementService(
+    IDbContextFactory<MyDbContext> contextFactory,
+    IStorageService storageService) : IPictureManagementService
+{
+    public async Task<PaginatedResult<PictureResponse>> GetPicturesAsync(int page = 1, int pageSize = 10)
+    {
+        if (page < 1) page = 1;
+        if (pageSize < 1) pageSize = 10;
+
+        await using var dbContext = await contextFactory.CreateDbContextAsync();
+
+        // 构建查询
+        var query = dbContext.Pictures
+            .Include(p => p.User)
+            .OrderByDescending(p => p.CreatedAt);
+
+        // 获取总数和分页数据
+        var totalCount = await query.CountAsync();
+        var pictures = await query
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+
+        // 转换为响应模型
+        var pictureResponses = pictures.Select(picture => new PictureResponse
+        {
+            Id = picture.Id,
+            Name = picture.Name,
+            Path = storageService.ExecuteAsync(picture.StorageType, provider =>
+                Task.FromResult(provider.GetUrl(picture.Path ?? string.Empty))).Result,
+            ThumbnailPath = storageService.ExecuteAsync(picture.StorageType, provider =>
+                Task.FromResult(provider.GetUrl(picture.ThumbnailPath ?? string.Empty))).Result,
+            Description = picture.Description,
+            CreatedAt = picture.CreatedAt,
+            TakenAt = picture.TakenAt,
+            ExifInfo = picture.ExifInfo,
+            UserId = picture.UserId,
+            Username = picture.User?.UserName,
+            Tags = picture.Tags?.Select(t => t.Name).ToList(),
+            AlbumId = picture.AlbumId,
+            AlbumName = picture.Album?.Name,
+            Permission = picture.Permission,
+            FavoriteCount = picture.Favorites?.Count ?? 0,
+        }).ToList();
+
+        return new PaginatedResult<PictureResponse>
+        {
+            Data = pictureResponses,
+            Page = page,
+            PageSize = pageSize,
+            TotalCount = totalCount
+        };
+    }
+
+    public async Task<PictureResponse> GetPictureByIdAsync(int id)
+    {
+        await using var dbContext = await contextFactory.CreateDbContextAsync();
+
+        var picture = await dbContext.Pictures
+            .Include(p => p.User)
+            .FirstOrDefaultAsync(p => p.Id == id);
+
+        if (picture == null)
+            throw new KeyNotFoundException($"找不到ID为{id}的图片");
+
+        return new PictureResponse
+        {
+            Id = picture.Id,
+            Name = picture.Name,
+            Path = picture.Path,
+            ThumbnailPath = picture.ThumbnailPath,
+            Description = picture.Description,
+            CreatedAt = picture.CreatedAt,
+            TakenAt = picture.TakenAt,
+            ExifInfo = picture.ExifInfo,
+            UserId = picture.UserId,
+            Username = picture.User?.UserName,
+            Tags = picture.Tags?.Select(t => t.Name).ToList(),
+            AlbumId = picture.AlbumId,
+            AlbumName = picture.Album?.Name,
+            Permission = picture.Permission,
+            ProcessingStatus = picture.ProcessingStatus,
+            ProcessingError = picture.ProcessingError,
+            ProcessingProgress = picture.ProcessingProgress,
+            FavoriteCount = picture.Favorites?.Count ?? 0,
+            IsFavorited = false 
+        };
+    }
+
+    public async Task<bool> DeletePictureAsync(int id)
+    {
+        await using var dbContext = await contextFactory.CreateDbContextAsync();
+
+        var picture = await dbContext.Pictures.FindAsync(id);
+
+        if (picture == null)
+            throw new KeyNotFoundException($"找不到ID为{id}的图片");
+
+        // 保存文件路径信息用于后续删除
+        var filePath = picture.Path;
+        var thumbnailPath = picture.ThumbnailPath;
+        var storageType = picture.StorageType;
+
+        // 删除数据库记录
+        dbContext.Pictures.Remove(picture);
+        await dbContext.SaveChangesAsync();
+
+        // 删除物理文件
+        try
+        {
+            if (!string.IsNullOrEmpty(filePath))
+            {
+                await storageService.ExecuteAsync(storageType,
+                    provider => provider.DeleteAsync(filePath));
+            }
+            if (!string.IsNullOrEmpty(thumbnailPath))
+            {
+                await storageService.ExecuteAsync(storageType,
+                    provider => provider.DeleteAsync(thumbnailPath));
+            }
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"删除图片文件时出错：{ex.Message}");
+        }
+        return true;
+    }
+
+    public async Task<BatchDeleteResult> BatchDeletePicturesAsync(List<int> ids)
+    {
+        var result = new BatchDeleteResult();
+
+        foreach (var id in ids)
+        {
+            try
+            {
+                var success = await DeletePictureAsync(id);
+                if (success)
+                {
+                    result.SuccessCount++;
+                }
+                else
+                {
+                    result.FailedCount++;
+                    result.FailedIds.Add(id);
+                }
+            }
+            catch
+            {
+                result.FailedCount++;
+                result.FailedIds.Add(id);
+            }
+        }
+
+        return result;
+    }
+
+    public async Task<PaginatedResult<PictureResponse>> GetPicturesByUserIdAsync(int userId, int page = 1, int pageSize = 10)
+    {
+        if (page < 1) page = 1;
+        if (pageSize < 1) pageSize = 10;
+
+        await using var dbContext = await contextFactory.CreateDbContextAsync();
+
+        // 构建查询
+        var query = dbContext.Pictures
+            .Include(p => p.User)
+            .Where(p => p.UserId == userId)
+            .OrderByDescending(p => p.CreatedAt);
+
+        // 获取总数和分页数据
+        var totalCount = await query.CountAsync();
+        var pictures = await query
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+
+        // 转换为响应模型
+        var pictureResponses = pictures.Select(picture => new PictureResponse
+        {
+            Id = picture.Id,
+            Name = picture.Name,
+            Path = picture.Path,
+            ThumbnailPath = picture.ThumbnailPath,
+            Description = picture.Description,
+            CreatedAt = picture.CreatedAt,
+            TakenAt = picture.TakenAt,
+            ExifInfo = picture.ExifInfo,
+            UserId = picture.UserId,
+            Username = picture.User?.UserName,
+            Tags = picture.Tags?.Select(t => t.Name).ToList(),
+            AlbumId = picture.AlbumId,
+            AlbumName = picture.Album?.Name,
+            Permission = picture.Permission,
+            ProcessingStatus = picture.ProcessingStatus,
+            ProcessingError = picture.ProcessingError,
+            ProcessingProgress = picture.ProcessingProgress,
+            FavoriteCount = picture.Favorites?.Count ?? 0,
+            IsFavorited = false
+        }).ToList();
+
+        return new PaginatedResult<PictureResponse>
+        {
+            Data = pictureResponses,
+            Page = page,
+            PageSize = pageSize,
+            TotalCount = totalCount
+        };
+    }
+}