owncloud/core

/*
 * Copyright (c) 2016 Vincent Petry <pvince81@owncloud.com>
 *
 * This file is licensed under the Affero General Public License version 3
 * or later.
 *
 * See the COPYING-README file.
 *
 */

/* global Handlebars */

(function() {

    _.extend(OC.Files.Client, {
        PROPERTY_COMMENTS_UNREAD:    '{' + OC.Files.Client.NS_OWNCLOUD + '}comments-unread'
    });

    var TEMPLATE_COMMENTS_UNREAD =
        '<a class="action action-comment permanent" title="{{countMessage}}" href="#">' +
        '<img class="svg" src="{{iconUrl}}"/>' +
        '</a>';

    OCA.Comments = _.extend({}, OCA.Comments);
    if (!OCA.Comments) {
        /**
         * @namespace
         */
        OCA.Comments = {};
    }

    /**
     * @namespace
     */
    OCA.Comments.FilesPlugin = {
        ignoreLists: [
            'files_trashbin',
            'files.public'
        ],

        _formatCommentCount: function(count) {
            if (!this._commentsUnreadTemplate) {
                this._commentsUnreadTemplate = Handlebars.compile(TEMPLATE_COMMENTS_UNREAD);
            }
            return this._commentsUnreadTemplate({
                count: count,
                countMessage: t('comments', '{count} unread comments', {count: count}),
                iconUrl: OC.imagePath('core', 'actions/comment')
            });
        },

        attach: function(fileList) {
            var self = this;
            if (this.ignoreLists.indexOf(fileList.id) >= 0) {
                return;
            }

            fileList.registerTabView(new OCA.Comments.CommentsTabView('commentsTabView'));

            var oldGetWebdavProperties = fileList._getWebdavProperties;
            fileList._getWebdavProperties = function() {
                var props = oldGetWebdavProperties.apply(this, arguments);
                props.push(OC.Files.Client.PROPERTY_COMMENTS_UNREAD);
                return props;
            };

            fileList.filesClient.addFileInfoParser(function(response) {
                var data = {};
                var props = response.propStat[0].properties;
                var commentsUnread = props[OC.Files.Client.PROPERTY_COMMENTS_UNREAD];
                if (!_.isUndefined(commentsUnread) && commentsUnread !== '') {
                    data.commentsUnread = parseInt(commentsUnread, 10);
                }
                return data;
            });

            fileList.$el.addClass('has-comments');
            var oldCreateRow = fileList._createRow;
            fileList._createRow = function(fileData) {
                var $tr = oldCreateRow.apply(this, arguments);
                if (fileData.commentsUnread) {
                    $tr.attr('data-comments-unread', fileData.commentsUnread);
                }
                return $tr;
            };

            // register "comment" action for reading comments
            fileList.fileActions.registerAction({
                name: 'Comment',
                displayName: t('comments', 'Comment'),
                mime: 'all',
                permissions: OC.PERMISSION_READ,
                type: OCA.Files.FileActions.TYPE_INLINE,
                render: function(actionSpec, isDefault, context) {
                    var $file = context.$file;
                    var unreadComments = $file.data('comments-unread');
                    if (unreadComments) {
                        var $actionLink = $(self._formatCommentCount(unreadComments));
                        context.$file.find('a.name>span.fileactions').append($actionLink);
                        return $actionLink;
                    }
                    return '';
                },
                actionHandler: function(fileName, context) {
                    context.$file.find('.action-comment').tooltip('hide');
                    // open sidebar in comments section
                    context.fileList.showDetailsView(fileName, 'commentsTabView');
                }
            });

            // add attribute to "elementToFile"
            var oldElementToFile = fileList.elementToFile;
            fileList.elementToFile = function($el) {
                var fileInfo = oldElementToFile.apply(this, arguments);
                var commentsUnread = $el.data('comments-unread');
                if (commentsUnread) {
                    fileInfo.commentsUnread = commentsUnread;
                }
                return fileInfo;
            };
        }
    };

})();

OC.Plugins.register('OCA.Files.FileList', OCA.Comments.FilesPlugin);