the basis for group and private messages

Govor.Application/Interfaces/IGroupService.cs

@@ -1,9 +1,16 @@
-using Govor.Application.Interfaces.Messages;
+using Govor.Application.Interfaces.Messages.Parameters;
 using Govor.Core.Models;
 
-namespace Govor.API.Services;
+namespace Govor.Application.Interfaces;
 
-public interface IGroupService : IMessageSendingService, IMessageManagementService
+public interface IGroupService
 {
-    ChatGroup GetGroupByInvite(string code);
+    Task<ChatGroup> GetGroupByIdAsync(Guid groupId);
+    Task<ChatGroup> CreateGroupAsync(string name, Guid creatorId, IEnumerable<Guid> initialMemberIds);
+    Task<Result> AddUserToGroupByInvitationAsync(Guid userId, string invitationCode);
+    Task<Result> RemoveUserFromGroupAsync(Guid groupId, Guid userId, Guid removedByUserId);
+    Task<Result> DeleteGroupAsync(Guid groupId, Guid userId); 
+    Task<List<User>> GetGroupMembersAsync(Guid groupId); 
+    Task<List<ChatGroup>>GetUserGroupsAsync(Guid userId); 
+    ChatGroup GetGroupByInviteCode(string code);
 }

Govor.Application/Interfaces/Messages/IChatService.cs

@@ -1,8 +0,0 @@
-namespace Govor.Application.Interfaces.Messages;
-
-public interface IChatService : IMessageSendingService, IMessageManagementService
-{
-
-}
-
-

Govor.Application/Interfaces/Messages/IMessageManagementService.cs

@@ -1,9 +0,0 @@
-using Govor.Application.Interfaces.Messages.Parameters;
-
-namespace Govor.Application.Interfaces.Messages;
-
-public interface IMessageManagementService
-{
-    Task<Result> EditMessageAsync(Guid editorId, Guid messageId, string newContent);
-    Task<Result> DeleteMessageAsync(Guid editorId, Guid messageId);
-}

Govor.Application/Interfaces/Messages/IMessageReactionService.cs

@@ -1,6 +0,0 @@
-namespace Govor.Application.Interfaces.Messages;
-
-public interface IMessageReactionService
-{
-    
-}

Govor.Application/Interfaces/Messages/IMessageSendingService.cs

@@ -1,8 +0,0 @@
-using Govor.Application.Interfaces.Messages.Parameters;
-
-namespace Govor.Application.Interfaces.Messages;
-
-public interface IMessageSendingService
-{
-    Task<Result> SendMessageAsync(SendMessage newMessage);
-}

Govor.Application/Interfaces/Messages/IMessageService.cs

@@ -0,0 +1,30 @@
+using Govor.Application.Interfaces.Messages.Parameters;
+using Govor.Core.Models;
+
+namespace Govor.Application.Interfaces.Messages;
+
+// Combining IChatService and IGroupService functionalities relevant to messages
+public interface IMessageService
+{
+    Task<SendMessageResult> SendMessageAsync(SendMessage messageParameters);
+    Task<EditMessageResult> EditMessageAsync(EditMessage messageParameters);
+    Task<DeleteMessageResult> DeleteMessageAsync(DeleteMessage messageParameters);
+    
+    // Potentially other message-related methods like:
+    // Task<GetMessagesResult> GetMessagesAsync(Guid userId, Guid chatId, RecipientType chatType, int pageNumber, int pageSize);
+    // Task<Result> MarkMessageAsReadAsync(Guid userId, Guid messageId);
+}
+
+// Define specific result types for clarity, including original message for notifications if needed
+
+public record SendMessageResult(bool IsSuccess, Exception? Exception, Guid MessageId) 
+    : Result(IsSuccess, Exception, MessageId);
+
+public record EditMessageResult(bool IsSuccess, Exception? Exception, Message? OriginalMessage) 
+    : Result(IsSuccess, Exception, OriginalMessage?.Id ?? Guid.Empty)
+{
+    // OriginalMessage can be useful for the Hub to know details like RecipientType, RecipientId for notifications
+}
+
+public record DeleteMessageResult(bool IsSuccess, Exception? Exception, Message? OriginalMessage) 
+    : Result(IsSuccess, Exception, OriginalMessage?.Id ?? Guid.Empty);

Govor.Application/Interfaces/Messages/Parameters/DeleteMessage.cs

@@ -0,0 +1,5 @@
+namespace Govor.Application.Interfaces.Messages.Parameters;
+
+public record DeleteMessage(
+    Guid DeleterId,
+    Guid MessageId);

Govor.Application/Interfaces/Messages/Parameters/EditMessage.cs

@@ -0,0 +1,7 @@
+namespace Govor.Application.Interfaces.Messages.Parameters;
+
+public record EditMessage(
+    Guid EditorId,
+    Guid MessageId,
+    string NewContent,
+    DateTime EditedAt);

Govor.Application/Interfaces/Messages/Parameters/SendMedia.cs

@@ -2,7 +2,4 @@ using Govor.Core.Models;
 
 namespace Govor.Application.Interfaces.Messages.Parameters;
 
-public record SendMedia(Guid Id,  
-    string EncryptedKey, 
-    MediaType Type,
-    string MimeType);
+public record SendMedia(Guid MediaId, string EncryptedKey, MediaType Type, string MimeType);

Govor.Application/Interfaces/Messages/Parameters/SendMessage.cs

@@ -1,8 +1,11 @@
+using Govor.Core.Models;
+
 namespace Govor.Application.Interfaces.Messages.Parameters;
 
 public record SendMessage(
     string EncryptContent, 
     Guid? ReplyToMessageId,
+    RecipientType RecipientType,
     Guid RecipientId,
     Guid FromUserId,
     DateTime SendAt,