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path: root/app/assets/javascripts/todos.js.es6
blob: b07e62a8c30330287f3663c6f89fd8a4b8b7aac6 (plain)
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/* eslint-disable class-methods-use-this, no-new, func-names, prefer-template, no-unneeded-ternary, object-shorthand, space-before-function-paren, comma-dangle, quote-props, consistent-return, no-else-return, no-param-reassign, max-len */
/* global UsersSelect */

((global) => {
  class Todos {
    constructor({ el } = {}) {
      this.allDoneClicked = this.allDoneClicked.bind(this);
      this.doneClicked = this.doneClicked.bind(this);
      this.el = el || $('.js-todos-options');
      this.perPage = this.el.data('perPage');
      this.clearListeners();
      this.initBtnListeners();
      this.initFilters();
    }

    clearListeners() {
      $('.done-todo').off('click');
      $('.js-todos-mark-all').off('click');
      return $('.todo').off('click');
    }

    initBtnListeners() {
      $('.done-todo').on('click', this.doneClicked);
      $('.js-todos-mark-all').on('click', this.allDoneClicked);
      return $('.todo').on('click', this.goToTodoUrl);
    }

    initFilters() {
      new UsersSelect();
      this.initFilterDropdown($('.js-project-search'), 'project_id', ['text']);
      this.initFilterDropdown($('.js-type-search'), 'type');
      this.initFilterDropdown($('.js-action-search'), 'action_id');

      $('form.filter-form').on('submit', function (event) {
        event.preventDefault();
        gl.utils.visitUrl(this.action + '&' + $(this).serialize());
      });
    }

    initFilterDropdown($dropdown, fieldName, searchFields) {
      $dropdown.glDropdown({
        fieldName,
        selectable: true,
        filterable: searchFields ? true : false,
        search: { fields: searchFields },
        data: $dropdown.data('data'),
        clicked: function() {
          return $dropdown.closest('form.filter-form').submit();
        }
      });
    }

    doneClicked(e) {
      e.preventDefault();
      e.stopImmediatePropagation();
      const $target = $(e.currentTarget);
      $target.disable();
      return $.ajax({
        type: 'POST',
        url: $target.attr('href'),
        dataType: 'json',
        data: {
          '_method': 'delete'
        },
        success: (data) => {
          this.redirectIfNeeded(data.count);
          this.clearDone($target.closest('li'));
          return this.updateBadges(data);
        }
      });
    }

    allDoneClicked(e) {
      e.preventDefault();
      e.stopImmediatePropagation();
      const $target = $(e.currentTarget);
      $target.disable();
      return $.ajax({
        type: 'POST',
        url: $target.attr('href'),
        dataType: 'json',
        data: {
          '_method': 'delete'
        },
        success: (data) => {
          $target.remove();
          $('.js-todos-all').html('<div class="nothing-here-block">You\'re all done!</div>');
          return this.updateBadges(data);
        }
      });
    }

    clearDone($row) {
      const $ul = $row.closest('ul');
      $row.remove();
      if (!$ul.find('li').length) {
        return $ul.parents('.panel').remove();
      }
    }

    updateBadges(data) {
      $(document).trigger('todo:toggle', data.count);
      $('.todos-pending .badge').text(data.count);
      return $('.todos-done .badge').text(data.done_count);
    }

    getTotalPages() {
      return this.el.data('totalPages');
    }

    getCurrentPage() {
      return this.el.data('currentPage');
    }

    getTodosPerPage() {
      return this.el.data('perPage');
    }

    redirectIfNeeded(total) {
      const currPages = this.getTotalPages();
      const currPage = this.getCurrentPage();

      // Refresh if no remaining Todos
      if (!total) {
        window.location.reload();
        return;
      }
      // Do nothing if no pagination
      if (!currPages) {
        return;
      }

      const newPages = Math.ceil(total / this.getTodosPerPage());
      let url = location.href;

      if (newPages !== currPages) {
        // Redirect to previous page if there's one available
        if (currPages > 1 && currPage === currPages) {
          const pageParams = {
            page: currPages - 1
          };
          url = gl.utils.mergeUrlParams(pageParams, url);
        }
        return gl.utils.visitUrl(url);
      }
    }

    goToTodoUrl(e) {
      const todoLink = this.dataset.url;
      let targetLink = e.target.getAttribute('href');

      if (e.target.tagName === 'IMG') { // See if clicked target was Avatar
        targetLink = e.target.parentElement.getAttribute('href'); // Parent of Avatar is link
      }

      if (!todoLink) {
        return;
      }

      if (gl.utils.isMetaClick(e)) {
        e.preventDefault();
        // Meta-Click on username leads to different URL than todoLink.
        // Turbolinks can resolve that URL, but window.open requires URL manually.
        if (targetLink !== todoLink) {
          return window.open(targetLink, '_blank');
        } else {
          return window.open(todoLink, '_blank');
        }
      } else {
        return gl.utils.visitUrl(todoLink);
      }
    }
  }

  global.Todos = Todos;
})(window.gl || (window.gl = {}));