FriendlyEats.prototype.viewList = function()

in firestore/scripts/FriendlyEats.View.js [33:123]
34 lines of code
9 McCabe index (conditional complexity)

FriendlyEats.prototype.viewList = function(filters, filter_description) {
  if (!filter_description) {
    filter_description = 'any type of food with any price in any city.';
  }

  var mainEl = this.renderTemplate('main-adjusted');
  var headerEl = this.renderTemplate('header-base', {
    hasSectionHeader: true
  });

  this.replaceElement(
    headerEl.querySelector('#section-header'),
    this.renderTemplate('filter-display', {
      filter_description: filter_description
    })
  );

  this.replaceElement(document.querySelector('.header'), headerEl);
  this.replaceElement(document.querySelector('main'), mainEl);

  var that = this;
  headerEl.querySelector('#show-filters').addEventListener('click', function() {
    that.dialogs.filter.show();
  });

  var renderResults = function(doc) {
    if (!doc) {
      var headerEl = that.renderTemplate('header-base', {
        hasSectionHeader: true
      });

      var noResultsEl = that.renderTemplate('no-results');

      that.replaceElement(
        headerEl.querySelector('#section-header'),
        that.renderTemplate('filter-display', {
          filter_description: filter_description
        })
      );

      headerEl.querySelector('#show-filters').addEventListener('click', function() {
        that.dialogs.filter.show();
      });

      that.replaceElement(document.querySelector('.header'), headerEl);
      that.replaceElement(document.querySelector('main'), noResultsEl);
      return;
    }
    var data = doc.data();
    data['.id'] = doc.id;
    data['go_to_restaurant'] = function() {
      that.router.navigate('/restaurants/' + doc.id);
    };

    // check if restaurant card has already been rendered
    var existingRestaurantCardEl = mainEl.querySelector('#' + that.ID_CONSTANT + doc.id);
    var el = existingRestaurantCardEl || that.renderTemplate('restaurant-card', data);

    var ratingEl = el.querySelector('.rating');
    var priceEl = el.querySelector('.price');

    // clear out existing rating and price if they already exist
    if (existingRestaurantCardEl) {
      ratingEl.innerHTML = '';
      priceEl.innerHTML = '';
    }

    ratingEl.append(that.renderRating(data.avgRating));
    priceEl.append(that.renderPrice(data.price));

    if (!existingRestaurantCardEl) {
      mainEl.querySelector('#cards').append(el);
    }
  };

  if (filters.city || filters.category || filters.price || filters.sort !== 'Rating' ) {
    this.getFilteredRestaurants({
      city: filters.city || 'Any',
      category: filters.category || 'Any',
      price: filters.price || 'Any',
      sort: filters.sort
    }, renderResults);
  } else {
    this.getAllRestaurants(renderResults);
  }

  var toolbar = mdc.toolbar.MDCToolbar.attachTo(document.querySelector('.mdc-toolbar'));
  toolbar.fixedAdjustElement = document.querySelector('.mdc-toolbar-fixed-adjust');

  mdc.autoInit();
};