Rebuild data storage system so that database dependencies get taken into account

src/HopFrame.Database/Repositories/IUserRepository.cs

@@ -0,0 +1,28 @@
+using HopFrame.Database.Models;
+
+namespace HopFrame.Database.Repositories;
+
+public interface IUserRepository {
+    Task<IList<User>> GetUsers();
+
+    Task<User> GetUser(Guid userId);
+
+    Task<User> GetUserByEmail(string email);
+
+    Task<User> GetUserByUsername(string username);
+    
+    Task<User> AddUser(User user);
+
+    /// <summary>
+    /// IMPORTANT:<br/>
+    /// This function does not add or remove any permissions to the user.
+    /// For that please use <see cref="IPermissionRepository"/>
+    /// </summary>
+    Task UpdateUser(User user);
+
+    Task DeleteUser(User user);
+
+    Task<bool> CheckUserPassword(User user, string password);
+
+    Task ChangePassword(User user, string password);
+}