twers/re-education

function CommentsController($scope, $element, CommentResource) {
  var CommentResources;

  $scope.init = function(lessonplanId) {
    Comment = CommentResource(lessonplanId);

    Comment.query(function(comments) {
      $scope.comments = comments;
    });

    $element.find('form').submit(function() {
      return false;
    });
  };

  $scope.submitForm = function() {
    if(is_empty_comment()) {
      alert("请不要提交空的评论。");
      return;
    }
    var comment = new Comment({
      content: $scope.new_comment_content
    });
    comment.$save(function(data) {
      if(data.status === 'duplicate') {
        alert("请不要输入重复的评论。");
        return;
      }
      if(data.status === 'empty') {
        alert("请不要提交空的评论。");
        return;
      }
      _gaq.push(['_trackEvent', 'Comment', 'Add']);
      $scope.comments.push(data);
      $scope.$emit('CommentsCountChange', $scope.comments.length);
      $scope.new_comment_content = '';
    });
  };

  $scope.formatDateTime = function(isoDateString) {
    var date = new Date(isoDateString);
    var str = date.getFullYear() + '-' + (date.getMonth() + 1) + '-' + date.getDate();
    str += ' ';
    str += date.getHours() + ':' + date.getMinutes();
    return str;
  };

  $scope.remove = function(index) {
    if(window.confirm('确定要删除么？')) {
      $scope.comments[index].$remove(function(json) {
        if(json.ret) {
          _gaq.push(['_trackEvent', 'Comment', 'Remove']);
          $scope.comments.splice(index, 1);
          $scope.$emit('CommentsCountChange', $scope.comments.length);
        } else {
          alert("删除失败");
        }
      });
    }
  };

  $scope.getName = function(user) {
    return user.alternative_name;
  };

  $scope.getUrl = function(user) {
    return '/publishers/' + user.id;
  };

  $scope.getAvatar = function(user) {
    return user.avatar.url || '/assets/avatar.png';
  };

  function is_empty_comment() {
    if($scope.new_comment_content === undefined || $.trim($scope.new_comment_content).length == 0) {
      return true;
    }
    return false;
  }
}