add edit role functionality

Azaion.Api/Program.cs

@@ -173,6 +173,11 @@ app.MapPut("/users/queue-offsets/set",
     .RequireAuthorization()
     .WithOpenApi(op => new OpenApiOperation(op) { Summary = "Sets user's queue offsets" });
 
+app.MapPut("/users/{email}/set-role/{role}", async (string email, RoleEnum role, IUserService userService, CancellationToken ct)
+    => await userService.ChangeRole(email, role, ct))
+    .RequireAuthorization(apiAdminPolicy)
+    .WithOpenApi(op => new OpenApiOperation(op) { Summary = "Set user's role" });
+
 app.MapPut("/users/{email}/enable", async (string email, IUserService userService, CancellationToken ct)
         => await userService.SetEnableStatus(email, true, ct))
     .RequireAuthorization(apiAdminPolicy)

Azaion.Services/UserService.cs

@@ -16,6 +16,7 @@ public interface IUserService
     Task UpdateQueueOffsets(string email, UserQueueOffsets queueOffsets, CancellationToken ct = default);
     Task<IEnumerable<User>> GetUsers(string? searchEmail, RoleEnum? searchRole, CancellationToken ct = default);
     Task<string> CheckHardwareHash(User user, string hardware, CancellationToken ct = default);
+    Task ChangeRole(string email, RoleEnum newRole, CancellationToken ct = default);
     Task SetEnableStatus(string email, bool isEnabled, CancellationToken ct = default);
     Task RemoveUser(string email, CancellationToken ct = default);
 }
@@ -131,6 +132,15 @@ public class UserService(IDbFactory dbFactory, ICache cache) : IUserService
             }, ct));
     }
 
+    public async Task ChangeRole(string email, RoleEnum newRole, CancellationToken ct = default)
+    {
+        await dbFactory.RunAdmin(async db =>
+            await db.Users.UpdateAsync(x => x.Email == email, u => new User
+            {
+                Role = newRole
+            }, ct));
+    }
+
     public async Task SetEnableStatus(string email, bool isEnabled, CancellationToken ct = default)
     {
         await dbFactory.RunAdmin(async db =>