Add project files.

WebApi/Endpoints/UserEndpoints.cs

@@ -0,0 +1,78 @@
+using Mediator;
+using Musify.Application.Users.Commands;
+using Musify.Application.Users.Queries;
+using WebApi.DataTransferObjects.Users;
+using WebApi.Extensions;
+
+namespace WebApi.Endpoints;
+
+public static class UserEndpoints
+{
+    public static IEndpointRouteBuilder MapUserEndpoints(this IEndpointRouteBuilder app)
+    {
+        var group = app.MapGroup("/api/users")
+            .WithTags("Users");
+
+        group.MapGet("/", GetUsers)
+            .WithName("GetUsers")
+            .WithSummary("Get paginated users.");
+
+        group.MapGet("/{id:guid}", GetUserById)
+            .WithName("GetUserById")
+            .WithSummary("Get a user by ID.");
+
+        group.MapGet("/keycloak/{id:guid}", GetUserByKeycloak)
+            .WithName("GetUserByKeycloak")
+            .WithSummary("Get a user by Keycloak ID.");
+
+        group.MapPost("/", CreateUser)
+            .WithName("CreateUser")
+            .WithSummary("Create a new user.");
+
+        return app;
+    }
+
+    private static async Task<IResult> GetUsers(
+        IMediator mediator,
+        int pageNumber = 1,
+        int pageSize = 10,
+        string? usernameSearch = null,
+        CancellationToken ct = default)
+    {
+        var result = await mediator.Send(new GetUsersQuery(pageNumber, pageSize, usernameSearch), ct);
+        return result.ToHttpResult();
+    }
+
+    private static async Task<IResult> GetUserById(
+        IMediator mediator,
+        Guid id,
+        CancellationToken ct)
+    {
+        var result = await mediator.Send(new GetUserByIdQuery(id), ct);
+        return result.ToHttpResult();
+    }
+
+    private static async Task<IResult> GetUserByKeycloak(
+        IMediator mediator,
+        Guid id,
+        CancellationToken ct)
+    {
+        var result = await mediator.Send(new GetUserByKeycloakQuery(id), ct);
+        return result.ToHttpResult();
+    }
+
+    private static async Task<IResult> CreateUser(
+        IMediator mediator,
+        CreateUserRequest request,
+        CancellationToken ct)
+    {
+        var result = await mediator.Send(
+            new CreateUserCommand(request.Id, request.Name, request.FirstName, request.SecondName),
+            ct);
+
+        if (!result.IsSuccess)
+            return result.ToHttpResult();
+
+        return Results.Created($"/api/users/{result.Value.Id}", result.Value);
+    }
+}