Update structure

Application/Tracks/Handlers/CreateTrackCommandHandler.cs

@@ -3,15 +3,17 @@ using Mediator;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using Musify.Application.Configuration;
-using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Common;
 using Musify.Application.Events;
 using Musify.Application.Tracks.Commands;
 using Musify.Application.Tracks.Responses;
 using Musify.Application.Extensions;
 using Musify.Application.Services;
 using Musify.Domain.Entities;
+using Musify.Domain.ValueObjects;
+using Musify.Application.Contracts;
 
-namespace Musify.Application.Tracks.Handler
+namespace Musify.Application.Tracks.Handlers
 {
     public class CreateTrackCommandHandler(
         IDatabase database,

Application/Tracks/Handlers/DeleteTrackCommandHandler.cs

@@ -2,12 +2,13 @@ using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
 using Musify.Application.Tracks.Commands;
 using Musify.Domain.Entities;
+using Musify.Domain.ValueObjects;
 using Musify.Application.Events;
+using Musify.Application.Contracts;
 
-namespace Musify.Application.Tracks.Handler
+namespace Musify.Application.Tracks.Handlers
 {
     public class DeleteTrackCommandHandler(
         IDatabase database,

Application/Tracks/Handlers/GetTrackByIdQueryHandler.cs

@@ -1,11 +1,11 @@
 using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
-using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Contracts;
 using Musify.Application.Tracks.Queries;
 using Musify.Application.Tracks.Responses;
 
-namespace Musify.Application.Tracks.Handler
+namespace Musify.Application.Tracks.Handlers
 {
     public class GetTrackByIdQueryHandler(IDatabase database)
         : IQueryHandler<GetTrackByIdQuery, Result<TrackApplicationResponse> >

Application/Tracks/Handlers/GetTracksByUserIdQueryHandler.cs

@@ -2,12 +2,12 @@ using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
 using Musify.Application.Pagination;
-using Musify.Application.Contracts.Infrastructure;
 using Musify.Application.Tracks.Queries;
 using Musify.Application.Tracks.Responses;
 using X.PagedList.EF;
+using Musify.Application.Contracts;
 
-namespace Musify.Application.Tracks.Handler
+namespace Musify.Application.Tracks.Handlers
 {
     public class GetTracksByUserIdQueryHandler(IDatabase database)
         : IQueryHandler<GetTracksByUserIdQuery, Result<PaginatedResponse<TrackApplicationResponse>> >

Application/Tracks/Handlers/GetTracksQueryHandler.cs

@@ -2,12 +2,12 @@ using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
 using Musify.Application.Pagination;
-using Musify.Application.Contracts.Infrastructure;
 using Musify.Application.Tracks.Queries;
 using Musify.Application.Tracks.Responses;
 using X.PagedList.EF;
+using Musify.Application.Contracts;
 
-namespace Musify.Application.Tracks.Handler
+namespace Musify.Application.Tracks.Handlers
 {
     public class GetTracksQueryHandler(IDatabase database)
         : IQueryHandler<GetTracksQuery, Result<PaginatedResponse<TrackApplicationResponse>> >

Application/Tracks/Handlers/RequestTrackUploadUrlsCommandHandler.cs

@@ -2,14 +2,15 @@ using Ardalis.Result;
 using Mediator;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
 using Musify.Application.Configuration;
 using Musify.Application.Services;
 using Musify.Application.Tracks.Commands;
 using Musify.Application.Tracks.Responses;
 using Musify.Domain.Entities;
+using Musify.Domain.ValueObjects;
+using Musify.Application.Contracts;
 
-namespace Musify.Application.Tracks.Handler
+namespace Musify.Application.Tracks.Handlers
 {
     public class RequestTrackUploadUrlsCommandHandler(
         IDatabase database,