[FA-24] Reading lists

FictionArchive.Service.UserNovelDataService/GraphQL/Query.cs

@@ -1,4 +1,5 @@
 using System.Security.Claims;
+using FictionArchive.Service.UserNovelDataService.Models.Database;
 using FictionArchive.Service.UserNovelDataService.Models.DTOs;
 using FictionArchive.Service.UserNovelDataService.Services;
 using HotChocolate.Authorization;
@@ -42,4 +43,94 @@ public class Query
                 CreatedTime = b.CreatedTime
             });
     }
+
+    [Authorize]
+    public async Task<IEnumerable<ReadingListDto>> GetReadingLists(
+        UserNovelDataServiceDbContext dbContext,
+        ClaimsPrincipal claimsPrincipal)
+    {
+        var oAuthProviderId = claimsPrincipal.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+        if (string.IsNullOrEmpty(oAuthProviderId))
+        {
+            return [];
+        }
+
+        var user = await dbContext.Users
+            .AsNoTracking()
+            .FirstOrDefaultAsync(u => u.OAuthProviderId == oAuthProviderId);
+
+        if (user == null)
+        {
+            return [];
+        }
+
+        var lists = await dbContext.ReadingLists
+            .AsNoTracking()
+            .Include(r => r.Items)
+            .Where(r => r.UserId == user.Id)
+            .OrderByDescending(r => r.LastUpdatedTime)
+            .ToListAsync();
+
+        return lists.Select(r => new ReadingListDto
+        {
+            Id = r.Id,
+            Name = r.Name,
+            Description = r.Description,
+            ItemCount = r.Items.Count,
+            Items = r.Items.Select(i => new ReadingListItemDto
+            {
+                NovelId = i.NovelId,
+                Order = i.Order,
+                AddedTime = i.CreatedTime
+            }),
+            CreatedTime = r.CreatedTime
+        });
+    }
+
+    [Authorize]
+    public async Task<ReadingListDto?> GetReadingList(
+        UserNovelDataServiceDbContext dbContext,
+        ClaimsPrincipal claimsPrincipal,
+        int id)
+    {
+        var oAuthProviderId = claimsPrincipal.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+        if (string.IsNullOrEmpty(oAuthProviderId))
+        {
+            return null;
+        }
+
+        var user = await dbContext.Users
+            .AsNoTracking()
+            .FirstOrDefaultAsync(u => u.OAuthProviderId == oAuthProviderId);
+
+        if (user == null)
+        {
+            return null;
+        }
+
+        var readingList = await dbContext.ReadingLists
+            .AsNoTracking()
+            .Include(r => r.Items.OrderBy(i => i.Order))
+            .FirstOrDefaultAsync(r => r.Id == id && r.UserId == user.Id);
+
+        if (readingList == null)
+        {
+            return null;
+        }
+
+        return new ReadingListDto
+        {
+            Id = readingList.Id,
+            Name = readingList.Name,
+            Description = readingList.Description,
+            ItemCount = readingList.Items.Count,
+            Items = readingList.Items.Select(i => new ReadingListItemDto
+            {
+                NovelId = i.NovelId,
+                Order = i.Order,
+                AddedTime = i.CreatedTime
+            }),
+            CreatedTime = readingList.CreatedTime
+        };
+    }
 }