Add convenience init for ChatProvider

Author: intitni

Core/Sources/Service/GUI/ChatProvider+Service.swift

@@ -0,0 +1,55 @@
+import ChatService
+import Foundation
+import OpenAIService
+import SuggestionWidget
+
+extension ChatProvider {
+    convenience init(service: ChatService, fileURL: URL, onCloseChat: @escaping () -> Void) {
+        self.init()
+        let cancellable = service.objectWillChange.sink { [weak self] in
+            guard let self else { return }
+            Task { @MainActor in
+                self.history = (await service.chatGPTService.history).map { message in
+                    .init(
+                        id: message.id,
+                        isUser: message.role == .user,
+                        text: message.summary ?? message.content
+                    )
+                }
+                self.isReceivingMessage = await service.chatGPTService.isReceivingMessage
+            }
+        }
+        
+        service.objectWillChange.send()
+
+        onMessageSend = { [cancellable] message in
+            _ = cancellable
+            Task {
+                do {
+                    _ = try await service.send(content: message)
+                } catch {
+                    PresentInWindowSuggestionPresenter().presentError(error)
+                }
+            }
+        }
+        onStop = {
+            Task {
+                await service.stopReceivingMessage()
+            }
+        }
+
+        onClear = {
+            Task {
+                await service.clearHistory()
+            }
+        }
+
+        onClose = {
+            Task {
+                await service.stopReceivingMessage()
+                PresentInWindowSuggestionPresenter().closeChatRoom(fileURL: fileURL)
+                onCloseChat()
+            }
+        }
+    }
+}