Queries y algunos cambios

2026-03-21 04:00:12 +01:00
parent 4a78455947
commit 8306211f49
13 changed files with 163 additions and 25 deletions
@@ -0,0 +1,9 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Musify.Application.Tracks.Contracts;
+
+namespace Musify.Application.Tracks.Queries.GetTrackById
+{
+    public record GetTrackByIdQuery(Guid TrackId)
+        : IRequest<GetTrackByIdQuery, Task<Result<TrackResponse> >>;
+}
@@ -0,0 +1,20 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Tracks.Contracts;
+
+namespace Musify.Application.Tracks.Queries.GetTrackById
+{
+    public class GetTrackByIdQueryHandler(IDatabase database)
+        : IRequestHandler<GetTrackByIdQuery, Task<Result<TrackResponse> >>
+    {
+        public async Task<Result<TrackResponse>> Handle(GetTrackByIdQuery request, CancellationToken cancellationToken)
+        {
+            var track = await database.Tracks.FindAsync(request.TrackId);
+
+            return track is null
+                ? Result.NotFound()
+                : Result.Success(TrackResponse.FromEntity(track));
+        }
+    }
+}
@@ -0,0 +1,10 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Musify.Application.Contracts.Application;
+using Musify.Application.Tracks.Contracts;
+
+namespace Musify.Application.Tracks.Queries.GetTracks
+{
+    public record GetTracksQuery(int PageNumber = 1, int PageSize = 10)
+        : IRequest<GetTracksQuery, Task<Result<PaginatedResponse<TrackResponse> >> >;
+}
@@ -0,0 +1,40 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Microsoft.EntityFrameworkCore;
+using Musify.Application.Contracts.Application;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Tracks.Contracts;
+using X.PagedList.EF;
+
+namespace Musify.Application.Tracks.Queries.GetTracks
+{
+    public class GetTracksQueryHandler(IDatabase database)
+        : IRequestHandler<GetTracksQuery, Task<Result<PaginatedResponse<TrackResponse>> > >
+    {
+        public async Task<Result<PaginatedResponse<TrackResponse> >> Handle(GetTracksQuery request, CancellationToken cancellationToken)
+        {
+            var pageNumber = request.PageNumber < 1 ? 1 : request.PageNumber;
+            var pageSize = request.PageSize < 1 ? 10 : request.PageSize;
+
+            var totalCount = await database.PlayLists.CountAsync(cancellationToken);
+
+            var pagedPlayLists = await database.UserHasTracks
+                .AsNoTracking()
+                .OrderBy(t => t.Id)
+                .Include(ut => ut.Track)
+                .Select(t => TrackResponse.FromEntity(t.Track))
+                .ToPagedListAsync(pageNumber, pageSize, totalCount, cancellationToken);
+
+            var response = new PaginatedResponse<TrackResponse>(
+                pagedPlayLists.ToArray(),
+                pagedPlayLists.PageNumber,
+                pagedPlayLists.PageSize,
+                pagedPlayLists.PageCount,
+                pagedPlayLists.TotalItemCount,
+                pagedPlayLists.HasNextPage,
+                pagedPlayLists.HasPreviousPage);
+
+            return Result.Success(response);
+        }
+    }
+}
@@ -0,0 +1,14 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Musify.Application.Contracts.Application;
+using Musify.Application.Tracks.Contracts;
+
+namespace Musify.Application.Tracks.Queries.GetTracksByUserId
+{
+    public record GetTracksByUserIdQuery(
+        Guid UserId,
+        string Name = "",
+        int PageNumber = 1,
+        int PageSize = 10)
+        : IRequest<GetTracksByUserIdQuery, Task<Result<PaginatedResponse<TrackResponse> > >>;
+}
@@ -0,0 +1,47 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Microsoft.EntityFrameworkCore;
+using Musify.Application.Contracts.Application;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Tracks.Contracts;
+using X.PagedList.EF;
+
+namespace Musify.Application.Tracks.Queries.GetTracksByUserId
+{
+    public class GetTracksByUserIdQueryHandler(IDatabase database)
+        : IRequestHandler<GetTracksByUserIdQuery, Task<Result<PaginatedResponse<TrackResponse>> >>
+    {
+        public async Task<Result<PaginatedResponse<TrackResponse> >> Handle(GetTracksByUserIdQuery request, CancellationToken cancellationToken)
+        {
+            var pageNumber = request.PageNumber < 1 ? 1 : request.PageNumber;
+            var pageSize = request.PageSize < 1 ? 10 : request.PageSize;
+            var normalizedName = request.Name?.Trim().ToUpperInvariant() ?? string.Empty;
+
+            var tracksQuery = database.UserHasTracks
+                .AsNoTracking()
+                .Include(ut => ut.Track)
+                .Where(p => p.UserId == request.UserId);
+
+            if (!string.IsNullOrWhiteSpace(normalizedName))
+                tracksQuery = tracksQuery.Where(t => t.Track.NormalizedTitle.Contains(normalizedName));
+
+            var totalCount = await tracksQuery.CountAsync(cancellationToken);
+
+            var pagedTracks = await tracksQuery
+                .OrderBy(t => t.Track.CreatedDate)
+                .Select(t => TrackResponse.FromEntity(t.Track))
+                .ToPagedListAsync(pageNumber, pageSize, totalCount, cancellationToken);
+
+            var response = new PaginatedResponse<TrackResponse>(
+                pagedTracks.ToArray(),
+                pagedTracks.PageNumber,
+                pagedTracks.PageSize,
+                pagedTracks.PageCount,
+                pagedTracks.TotalItemCount,
+                pagedTracks.HasNextPage,
+                pagedTracks.HasPreviousPage);
+
+            return Result.Success(response);
+        }
+    }
+}