rework and starts for new friends system

Govor.Application/Interfaces/Friends/IFriendRequestService.cs

@@ -0,0 +1,12 @@
+using Govor.Core.Models;
+
+namespace Govor.Application.Interfaces.Friends;
+
+public interface IFriendRequestService
+{
+    Task SendFriendRequestAsync(Guid fromUserId, Guid toUserId);
+    Task AcceptFriendRequestAsync(Guid requestId, Guid currentUserId);
+    Task RejectFriendRequestAsync(Guid requestId, Guid currentUserId);
+    Task<List<Friendship>> GetIncomingRequestsAsync(Guid userId);
+    Task<List<Friendship>> GetResponsesAsync(Guid userId);
+}

Govor.Application/Interfaces/Friends/IFriendsBlockService.cs

@@ -0,0 +1,7 @@
+namespace Govor.Application.Interfaces;
+
+public interface IFriendsBlockService
+{
+    Task BlockFriendRequestAsync(Guid userId, Guid currentUserId);
+    Task UnblockFriendRequestAsync(Guid userId, Guid currentUserId);
+}

Govor.Application/Interfaces/Friends/IFriendshipService.cs

@@ -0,0 +1,9 @@
+using Govor.Core.Models;
+
+namespace Govor.Application.Interfaces.Friends;
+
+public interface IFriendshipService
+{
+    Task<List<User>> GetFriendsAsync(Guid userId);
+    Task<List<User>> SearchUsersAsync(string query, Guid currentId);
+}