tweb-i2p/src/components/popups/deleteMessages.ts

import appChatsManager from "../../lib/appManagers/appChatsManager";
import appMessagesManager from "../../lib/appManagers/appMessagesManager";
import appPeersManager from "../../lib/appManagers/appPeersManager";
import rootScope from "../../lib/rootScope";
import { PopupButton } from ".";
import PopupPeer from "./peer";
import { ChatType } from "../chat/chat";

export default class PopupDeleteMessages {
  constructor(peerId: number, mids: number[], type: ChatType, onConfirm?: () => void) {
    const firstName = appPeersManager.getPeerTitle(peerId, false, true);

    mids = mids.slice();
    const callback = (revoke?: true) => {
      onConfirm && onConfirm();
      if(type === 'scheduled') {
        appMessagesManager.deleteScheduledMessages(peerId, mids);
      } else {
        appMessagesManager.deleteMessages(peerId, mids, revoke);
      }
    };

    let title: string, description: string, buttons: PopupButton[];
    title = `Delete ${mids.length === 1 ? '' : mids.length + ' '}Message${mids.length === 1 ? '' : 's'}?`;
    description = `Are you sure you want to delete ${mids.length === 1 ? 'this message' : 'these messages'}?`;

    if(peerId === rootScope.myId || type === 'scheduled') {
      buttons = [{
        text: 'DELETE',
        isDanger: true,
        callback: () => callback()
      }];
    } else {
      buttons = [{
        text: 'DELETE JUST FOR ME',
        isDanger: true,
        callback: () => callback()
      }];

      if(peerId > 0) {
        buttons.push({
          text: 'DELETE FOR ME AND ' + firstName,
          isDanger: true,
          callback: () => callback(true)
        });
      } else {
        const chat = appChatsManager.getChat(-peerId);

        const hasRights = appChatsManager.hasRights(-peerId, 'delete_messages');
        if(chat._ === 'chat') {
          const canRevoke = hasRights ? mids.slice() : mids.filter(mid => {
            const message = appMessagesManager.getMessageByPeer(peerId, mid);
            return message.fromId === rootScope.myId;
          });

          if(canRevoke.length) {
            if(canRevoke.length === mids.length) {
              buttons.push({
                text: 'DELETE FOR ALL',
                isDanger: true,
                callback: () => callback(true)
              });
            } else {
              const buttonText = 'Unsend my and delete';
              buttons.push({
                text: buttonText,
                isDanger: true,
                callback: () => callback(true)
              });
  
              description = `You can also delete the ${canRevoke.length} message${canRevoke.length > 1 ? 's' : ''} you sent from the inboxes of other group members by pressing "${buttonText}".`;
            }
          }
        } else {
          //if(!hasRights || appChatsManager.isBroadcast(-peerId) || appChatsManager.isMegagroup(-peerId)) {
            buttons.shift();
          //}

          buttons.push({
            text: 'DELETE FOR ALL',
            isDanger: true,
            callback: () => callback(true)
          });
        }
      }
    }

    buttons.push({
      text: 'CANCEL',
      isCancel: true
    });

    const popup = new PopupPeer('popup-delete-chat', {
      peerId,
      title,
      description,
      buttons
    });

    popup.show();
  }
}