[core] Add chats /archive and /unarchive

fixes #434

src/api/chats.controller.ts

@@ -4,6 +4,7 @@ import {
   Delete,
   Get,
   Param,
+  Post,
   Put,
   Query,
   UsePipes,
@@ -98,6 +99,28 @@ class ChatsController {
   ) {
     return session.editMessage(chatId, messageId, body);
   }
+
+  @Post(':chatId/archive')
+  @SessionApiParam
+  @ChatIdApiParam
+  @ApiOperation({ summary: 'Archive the chat' })
+  archiveChat(
+    @SessionParam session: WhatsappSession,
+    @Param('chatId') chatId: string,
+  ) {
+    return session.chatsArchiveChat(chatId);
+  }
+
+  @Post(':chatId/unarchive')
+  @SessionApiParam
+  @ChatIdApiParam
+  @ApiOperation({ summary: 'Unarchive the chat' })
+  unarchiveChat(
+    @SessionParam session: WhatsappSession,
+    @Param('chatId') chatId: string,
+  ) {
+    return session.chatsUnarchiveChat(chatId);
+  }
 }
 
 export { ChatsController };

src/core/abc/session.abc.ts

@@ -324,6 +324,14 @@ export abstract class WhatsappSession {
     throw new NotImplementedByEngineError();
   }
 
+  public chatsArchiveChat(chatId: string): Promise<any> {
+    throw new NotImplementedByEngineError();
+  }
+
+  public chatsUnarchiveChat(chatId: string): Promise<any> {
+    throw new NotImplementedByEngineError();
+  }
+
   /**
    * Contacts methods
    */

src/core/engines/noweb/session.noweb.core.ts

@@ -11,6 +11,7 @@ import makeWASocket, {
   isRealMessage,
   jidNormalizedUser,
   makeCacheableSignalKeyStore,
+  MinimalMessage,
   NewsletterMetadata,
   normalizeMessageContent,
   PresenceData,
@@ -700,6 +701,26 @@ export class WhatsappSessionNoWebCore extends WhatsappSession {
     return chats;
   }
 
+  protected async chatsPutArchive(
+    chatId: string,
+    archive: boolean,
+  ): Promise<any> {
+    const jid = toJID(chatId);
+    const messages = await this.store.getMessagesByJid(jid, 1);
+    return await this.sock.chatModify(
+      { archive: archive, lastMessages: messages },
+      jid,
+    );
+  }
+
+  public chatsArchiveChat(chatId: string): Promise<any> {
+    return this.chatsPutArchive(chatId, true);
+  }
+
+  public chatsUnarchiveChat(chatId: string): Promise<any> {
+    return this.chatsPutArchive(chatId, false);
+  }
+
   /**
    * Contacts methods
    */

src/core/engines/webjs/session.webjs.core.ts

@@ -468,6 +468,16 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
     return chat.clearMessages();
   }
 
+  public chatsArchiveChat(chatId: string): Promise<any> {
+    const id = this.ensureSuffix(chatId);
+    return this.whatsapp.archiveChat(id);
+  }
+
+  public chatsUnarchiveChat(chatId: string): Promise<any> {
+    const id = this.ensureSuffix(chatId);
+    return this.whatsapp.unarchiveChat(id);
+  }
+
   /**
    * Contacts methods
    */