wekan/server/publications/cards.js

Meteor.publish('card', cardId => {
  check(cardId, String);
  return Cards.find({ _id: cardId });
});

Meteor.publish('myCards', function() {
  const userId = this.userId;

  return Cards.find(
    {
      archived: false,
      $or: [{ members: userId }, { assignees: userId }],
    },
    {
      fields: {
        _id: 1,
        archived: 1,
        boardId: 1,
        swimlaneId: 1,
        listId: 1,
        title: 1,
        type: 1,
        sort: 1,
        members: 1,
        assignees: 1,
        colors: 1,
        dueAt: 1,
      },
      // sort: {
      //   sort: ['boardId', 'listId', 'sort'],
      // },
    },
  );
});

Meteor.publish('dueCards', function(allUsers = false) {
  check(allUsers, Boolean);

  const user = Users.findOne(this.userId);

  const archivedBoards = [];
  Boards.find({ archived: true }).forEach(board => {
    archivedBoards.push(board._id);
  });

  const permiitedBoards = [];
  let selector = {
    archived: false,
  };
  // if user is not an admin allow her to see cards only from boards where
  // she is a member
  if (!user.isAdmin) {
    selector.$or = [
      { permission: 'public' },
      { members: { $elemMatch: { userId: user._id, isActive: true } } },
    ];
  }
  Boards.find(selector).forEach(board => {
    permiitedBoards.push(board._id);
  });

  const archivedSwimlanes = [];
  Swimlanes.find({ archived: true }).forEach(swimlane => {
    archivedSwimlanes.push(swimlane._id);
  });

  const archivedLists = [];
  Lists.find({ archived: true }).forEach(list => {
    archivedLists.push(list._id);
  });

  selector = {
    archived: false,
    boardId: { $nin: archivedBoards, $in: permiitedBoards },
    swimlaneId: { $nin: archivedSwimlanes },
    listId: { $nin: archivedLists },
    dueAt: { $ne: null },
    endAt: null,
  };

  if (!allUsers) {
    selector.$or = [{ members: user._id }, { assignees: user._id }];
  }

  const cards = Cards.find(selector, {
    fields: {
      _id: 1,
      archived: 1,
      boardId: 1,
      swimlaneId: 1,
      listId: 1,
      title: 1,
      type: 1,
      sort: 1,
      members: 1,
      assignees: 1,
      colors: 1,
      dueAt: 1,
    },
  });

  const boards = [];
  const swimlanes = [];
  const lists = [];

  cards.forEach(card => {
    boards.push(card.boardId);
    swimlanes.push(card.swimlaneId);
    lists.push(card.listId);
  });

  return [
    cards,
    Boards.find({ _id: { $in: boards } }),
    Swimlanes.find({ _id: { $in: swimlanes } }),
    Lists.find({ _id: { $in: lists } }),
  ];
});