add chatListModel

src/Model/chatListModel.ts

@@ -0,0 +1,54 @@
+import StorageModel, { storageKeys } from "./storageModel";
+
+import { ChatModel } from "./chatModel";
+import { v4 } from "uuid";
+
+export default class ChatListModel {
+  storageModel: StorageModel;
+
+  // data
+  chatModels = new Map<string, ChatModel>();
+
+  // store & add
+  addChatModel(chatModel: ChatModel) {
+    this.chatModels.set(chatModel.id, chatModel);
+  }
+
+  createChat = (primaryChannel: string): void => {
+    const id: string = v4();
+
+    const chatModel = new ChatModel(this.storageModel, id);
+    chatModel.setPrimaryChannel(primaryChannel);
+
+    this.addChatModel(chatModel);
+  };
+
+  deleteChat = (chatId: string): void => {
+    const chat = this.chatModels.get(chatId);
+    if (!chat) return;
+
+    chat.remove();
+    this.untrackChat(chatId);
+  };
+
+  untrackChat = (chatId: string): void => {
+    const chat = this.chatModels.get(chatId);
+    if (!chat) return;
+
+    this.chatModels.delete(chatId);
+  };
+
+  // restore
+  loadChats = (): void => {
+    const chatDir = storageKeys.chats;
+    for (const chatId of chatDir) {
+      const chatModel = new ChatModel(this.storageModel, chatId);
+      this.addChatModel(chatModel);
+    }
+  };
+
+  // init
+  constructor(storageModel: StorageModel) {
+    this.storageModel = storageModel;
+  }
+}