Queries y algunos cambios

Application/Application.csproj

@@ -24,8 +24,4 @@
     <ProjectReference Include="..\Domain\Domain.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Tracks\Queries\" />
-  </ItemGroup>
-
 </Project>

Application/Contracts/Application/PaginatedResponse.cs

@@ -0,0 +1,11 @@
+namespace Musify.Application.Contracts.Application
+{
+    public record PaginatedResponse<T>(
+        IReadOnlyCollection<T> Items,
+        int PageNumber,
+        int PageSize,
+        int PageCount,
+        int TotalItemCount,
+        bool HasNextPage,
+        bool HasPreviousPage);
+}

Application/PlayLists/Contracts/PaginatedPlayListResponse.cs

@@ -1,12 +0,0 @@
-namespace Musify.Application.PlayLists.Contracts
-{
-    public record PaginatedPlayListResponse(
-        IReadOnlyCollection<PlayListResponse> PlayLists,
-        int PageNumber,
-        int PageSize,
-        int PageCount,
-        int TotalItemCount,
-        bool HasNextPage,
-        bool HasPreviousPage
-    );
-}

Application/PlayLists/Queries/GetPlayLists/GetPlayListsQuery.cs

@@ -1,9 +1,10 @@
 using Ardalis.Result;
 using DispatchR.Abstractions.Send;
+using Musify.Application.Contracts.Application;
 using Musify.Application.PlayLists.Contracts;
 
 namespace Musify.Application.PlayLists.Queries.GetPlayLists
 {
     public record GetPlayListsQuery(int PageNumber = 1, int PageSize = 10)
-        : IRequest<GetPlayListsQuery, Task<Result<PaginatedPlayListResponse>>>;
+        : IRequest<GetPlayListsQuery, Task<Result<PaginatedResponse<PlayListResponse>> >>;
 }

Application/PlayLists/Queries/GetPlayLists/GetPlayListsQueryHandler.cs

@@ -1,17 +1,17 @@
 using Ardalis.Result;
 using DispatchR.Abstractions.Send;
 using Microsoft.EntityFrameworkCore;
+using Musify.Application.Contracts.Application;
 using Musify.Application.Contracts.Infrastructure;
 using Musify.Application.PlayLists.Contracts;
-using Musify.Domain.Entities;
 using X.PagedList.EF;
 
 namespace Musify.Application.PlayLists.Queries.GetPlayLists
 {
     public class GetPlayListsQueryHandler(IDatabase database)
-        : IRequestHandler<GetPlayListsQuery, Task<Result<PaginatedPlayListResponse>> >
+        : IRequestHandler<GetPlayListsQuery, Task<Result<PaginatedResponse<PlayListResponse> >> >
     {
-        public async Task<Result<PaginatedPlayListResponse>> Handle(GetPlayListsQuery request, CancellationToken cancellationToken)
+        public async Task<Result<PaginatedResponse<PlayListResponse> >> Handle(GetPlayListsQuery request, CancellationToken cancellationToken)
         {
             var pageNumber = request.PageNumber < 1 ? 1 : request.PageNumber;
             var pageSize = request.PageSize < 1 ? 10 : request.PageSize;
@@ -24,7 +24,7 @@ namespace Musify.Application.PlayLists.Queries.GetPlayLists
                 .Select(p => PlayListResponse.FromEntity(p))
                 .ToPagedListAsync(pageNumber, pageSize, totalCount, cancellationToken);
 
-            var response = new PaginatedPlayListResponse(
+            var response = new PaginatedResponse<PlayListResponse>(
                 pagedPlayLists.ToArray(),
                 pagedPlayLists.PageNumber,
                 pagedPlayLists.PageSize,

Application/PlayLists/Queries/GetPlayListsByUserId/GetPlayListsByUserIdQuery.cs

@@ -1,5 +1,6 @@
 using Ardalis.Result;
 using DispatchR.Abstractions.Send;
+using Musify.Application.Contracts.Application;
 using Musify.Application.PlayLists.Contracts;
 
 namespace Musify.Application.PlayLists.Queries.GetPlayListsByUserId
@@ -9,5 +10,5 @@ namespace Musify.Application.PlayLists.Queries.GetPlayListsByUserId
         string Name = "",
         int PageNumber = 1,
         int PageSize = 10)
-        : IRequest<GetPlayListsByUserIdQuery, Task<Result<PaginatedPlayListResponse>>>;
+        : IRequest<GetPlayListsByUserIdQuery, Task<Result<PaginatedResponse<PlayListResponse>> >>;
 }

Application/PlayLists/Queries/GetPlayListsByUserId/GetPlayListsByUserIdQueryHandler.cs

@@ -1,6 +1,7 @@
 using Ardalis.Result;
 using DispatchR.Abstractions.Send;
 using Microsoft.EntityFrameworkCore;
+using Musify.Application.Contracts.Application;
 using Musify.Application.Contracts.Infrastructure;
 using Musify.Application.PlayLists.Contracts;
 using X.PagedList.EF;
@@ -8,9 +9,9 @@ using X.PagedList.EF;
 namespace Musify.Application.PlayLists.Queries.GetPlayListsByUserId
 {
     public class GetPlayListsByUserIdQueryHandler(IDatabase database)
-        : IRequestHandler<GetPlayListsByUserIdQuery, Task<Result<PaginatedPlayListResponse>> >
+        : IRequestHandler<GetPlayListsByUserIdQuery, Task<Result<PaginatedResponse<PlayListResponse> > >>
     {
-        public async Task<Result<PaginatedPlayListResponse>> Handle(GetPlayListsByUserIdQuery request, CancellationToken cancellationToken)
+        public async Task<Result<PaginatedResponse<PlayListResponse> >> Handle(GetPlayListsByUserIdQuery request, CancellationToken cancellationToken)
         {
             var pageNumber = request.PageNumber < 1 ? 1 : request.PageNumber;
             var pageSize = request.PageSize < 1 ? 10 : request.PageSize;
@@ -30,7 +31,7 @@ namespace Musify.Application.PlayLists.Queries.GetPlayListsByUserId
                 .Select(p => PlayListResponse.FromEntity(p))
                 .ToPagedListAsync(pageNumber, pageSize, totalCount, cancellationToken);
 
-            var response = new PaginatedPlayListResponse(
+            var response = new PaginatedResponse<PlayListResponse>(
                 pagedPlayLists.ToArray(),
                 pagedPlayLists.PageNumber,
                 pagedPlayLists.PageSize,

Application/Tracks/Queries/GetTrackById/GetTrackByIdQuery.cs

@@ -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> >>;
+}

Application/Tracks/Queries/GetTrackById/GetTrackByIdQueryHandler.cs

@@ -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));
+        }
+    }
+}

Application/Tracks/Queries/GetTracks/GetTracksQuery.cs

@@ -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> >> >;
+}

Application/Tracks/Queries/GetTracks/GetTracksQueryHandler.cs

@@ -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);
+        }
+    }
+}

Application/Tracks/Queries/GetTracksByUserId/GetTracksByUserIdQuery.cs

@@ -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> > >>;
+}

Application/Tracks/Queries/GetTracksByUserId/GetTracksByUserIdQueryHandler.cs

@@ -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);
+        }
+    }
+}