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path: root/client/components/cards/helpers.js
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Template.cardMembersPopup.helpers({
  isCardMember: function() {
    var cardId = Template.parentData()._id;
    var cardMembers = Cards.findOne(cardId).members || [];
    return _.contains(cardMembers, this.userId);
  },
  user: function() {
    return Users.findOne(this.userId);
  }
});

Template.cardLabelsPopup.helpers({
  isLabelSelected: function(cardId) {
    return _.contains(Cards.findOne(cardId).labelIds, this._id);
  }
});

var labelColors;
Meteor.startup(function() {
  labelColors = Boards.simpleSchema()._schema['labels.$.color'].allowedValues;
});

Template.createLabelPopup.helpers({
  // This is the default color for a new label. We search the first color that
  // is not already used in the board (although it's not a problem if two
  // labels have the same color).
  defaultColor: function() {
    var labels = this.labels || this.card.board().labels;
    var usedColors = _.pluck(labels, 'color');
    var availableColors = _.difference(labelColors, usedColors);
    return availableColors.length > 1 ? availableColors[0] : 'green';
  }
});

Template.formLabel.helpers({
  labels: function() {
    return _.map(labelColors, function(color) {
      return { color: color, name: '' };
    });
  }
});

Blaze.registerHelper('currentCard', function() {
  var cardId = Session.get('currentCard');
  if (cardId) {
    return Cards.findOne(cardId);
  }
});