text: var settings_emoji = (function () {
  
  var exports = {};
  
  var meta = {
      loaded: false,
  };
  
  function can_admin_emoji(emoji) {
      if (page_params.is_admin) {
          return true;
      }
      if (emoji.author === null) {
          // If we don't have the author information then only admin is allowed to disable that emoji.
          return false;
      }
      if (!page_params.realm_add_emoji_by_admins_only && people.is_current_user(emoji.author.email)) {
          return true;
      }
      return false;
  }
  
  exports.update_custom_emoji_ui = function () {
      var rendered_tip = templates.render("emoji-settings-tip", {
          realm_add_emoji_by_admins_only: page_params.realm_add_emoji_by_admins_only,
      });
      $('#emoji-settings').find('.emoji-settings-tip-container').html(rendered_tip);
      if (page_params.realm_add_emoji_by_admins_only && !page_params.is_admin) {
          $('.admin-emoji-form').hide();
          $('#emoji-settings').removeClass('can_edit');
      } else {
          $('.admin-emoji-form').show();
          $('#emoji-settings').addClass('can_edit');
      }
  
      exports.populate_emoji(page_params.realm_emoji);
  };
  
  exports.reset = function () {
      meta.loaded = false;
  };
  
  exports.populate_emoji = function (emoji_data) {
      if (!meta.loaded) {
          return;
      }
  
      var emoji_table = $('#admin_emoji_table').expectOne();
      emoji_table.find('tr.emoji_row').remove();
      _.each(emoji_data, function (data) {
          if (data.deactivated !== true) {
              emoji_table.append(templates.render('admin_emoji_list', {
                  emoji: {
                      name: data.name, source_url: data.source_url,
                      display_url: data.source_url,
                      author: data.author || '',
                      can_admin_emoji: can_admin_emoji(data),
                  },
              }));
          }
      });
      loading.destroy_indicator($('#admin_page_emoji_loading_indicator'));
  };
  
  exports.set_up = function () {
      meta.loaded = true;
  
      loading.make_indicator($('#admin_page_emoji_loading_indicator'));
  
      // Populate emoji table
      exports.populate_emoji(page_params.realm_emoji);
  
      $('.admin_emoji_table').on('click', '.delete', function (e) {
          e.preventDefault();
          e.stopPropagation();
          var btn = $(this);
  
          channel.del({
              url: '/json/realm/emoji/' + encodeURIComponent(btn.attr('data-emoji-name')),
              error: function (xhr) {
                  ui_report.generic_row_button_error(xhr, btn);
              },
              success: function () {
                  var row = btn.parents('tr');
                  row.remove();
              },
          });
      });
  
      var emoji_widget = emoji.build_emoji_upload_widget();
  
      $(".organization form.admin-emoji-form").off('submit').on('submit', function (e) {
          e.preventDefault();
          e.stopPropagation();
          var emoji_status = $('#admin-emoji-status');
          $('#admin_emoji_submit').attr('disabled', true);
          var emoji = {};
          var formData = new FormData();
          _.each($(this).serializeArray(), function (obj) {
              emoji[obj.name] = obj.value;
          });
          $.each($('#emoji_file_input')[0].files, function (i, file) {
              formData.append('file-' + i, file);
          });
          channel.post({
              url: "/json/realm/emoji/" + encodeURIComponent(emoji.name),
              data: formData,
              cache: false,
              processData: false,
              contentType: false,
              success: function () {
                  $('#admin-emoji-status').hide();
                  ui_report.success(i18n.t("Custom emoji added!"), emoji_status);
                  $("form.admin-emoji-form input[type='text']").val("");
                  $('#admin_emoji_submit').removeAttr('disabled');
                  emoji_widget.clear();
              },
              error: function (xhr) {
                  $('#admin-emoji-status').hide();
                  var errors = JSON.parse(xhr.responseText).msg;
                  xhr.responseText = JSON.stringify({msg: errors});
                  ui_report.error(i18n.t("Failed"), xhr, emoji_status);
                  $('#admin_emoji_submit').removeAttr('disabled');
                  emoji_widget.clear();
              },
          });
      });
  };
  
  return exports;
  }());
  
  if (typeof module !== 'undefined') {
      module.exports = settings_emoji;
  }
  