First Commit

2026-03-18 01:14:49 +01:00
commit 306248b11c
39 changed files with 1361 additions and 0 deletions
@@ -0,0 +1,9 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Musify.Application.Users.Contracts;
+
+namespace Musify.Application.Users.Queries.GetUsers
+{
+    public record GetUsersCommand(int PageNumber, int PageSize, string UsernameSearch)
+        : IRequest<GetUsersCommand, Task<Result<PaginatedUserResponse>> >;
+}
@@ -0,0 +1,59 @@
+using Ardalis.Result;
+using DispatchR.Abstractions.Send;
+using Microsoft.EntityFrameworkCore;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Application.Users.Contracts;
+using X.PagedList;
+using X.PagedList.Extensions;
+
+namespace Musify.Application.Users.Queries.GetUsers
+{
+    public class GetUsersQueryHandler(IDatabase database, IKeycloakUserClient keycloakUserClient)
+        : IRequestHandler<GetUsersCommand, Task<Result<PaginatedUserResponse> >>
+    {
+        public async Task<Result<PaginatedUserResponse>> Handle(GetUsersCommand request, CancellationToken cancellationToken)
+        {
+            var pageNumber = request.PageNumber < 1 ? 1 : request.PageNumber;
+            var pageSize = request.PageSize < 1 ? 10 : request.PageSize;
+            var first = (pageNumber - 1) * pageSize;
+
+            var keycloakUsers = await keycloakUserClient.GetUsersAsync(
+                cancellationToken,
+                first: first,
+                max: pageSize,
+                search: request.UsernameSearch);
+
+            var keycloakIds = keycloakUsers.Select(u => u.Id).ToList();
+
+            var databaseUsers = await database.Users
+                .Where(u => keycloakIds.Contains(u.Id))
+                .ToListAsync(cancellationToken);
+
+            var users = databaseUsers
+                .Join(keycloakUsers, db => db.Id, kc => kc.Id,
+                    (databaseSource, keycloakSource) => new UserResponse(
+                        keycloakSource.Id.ToString(),
+                        keycloakSource.Name,
+                        keycloakSource.FirstName,
+                        keycloakSource.SecondName,
+                        databaseSource.CreatedAt,
+                        databaseSource.UpdatedAt))
+                .ToArray();
+
+            var totalItemCount = await keycloakUserClient.GetUsersCountAsync(cancellationToken, search: request.UsernameSearch);
+
+            var pagedUsers = new StaticPagedList<UserResponse>(users, pageNumber, pageSize, totalItemCount);
+
+            var response = new PaginatedUserResponse(
+                pagedUsers.ToArray(),
+                pagedUsers.PageNumber,
+                pagedUsers.PageSize,
+                pagedUsers.PageCount,
+                pagedUsers.TotalItemCount,
+                pagedUsers.HasNextPage,
+                pagedUsers.HasPreviousPage);
+
+            return Result.Success(response);
+        }
+    }
+}