# All files / src/components notifications.js

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     /**
     * Notifcation system for admin
     *
     * @since 2017-08-02
     * @author Olle Haerstedt, Markus Flür
     */

    import * as AjaxHelper from '../parts/ajaxHelper';
    import LOG from './lslog';

    const NotifcationSystem  = function (){
        const
        /**
         * Load widget HTML and inject it
         * @param {string} URL to call
         * @return
         */
         __updateNotificationWidget = (updateUrl) => {
            LOG.log('updateNotificationWidget');
            // Update notification widget
            return $.ajax({
                url: updateUrl,
                method: 'GET',
                success: (response) => {
                    $('#notification-li').replaceWith(response);

                    // Re-bind onclick
                    initNotification();

                    // Adapt style to window size
                    styleNotificationMenu();
                }
            });
        },

        /**
         * Tell system that notification is read
         * @param {object} that The notification link
         * @return
         */
        __notificationIsRead = (that) => {
            LOG.log('notificationIsRead');
            $.ajax({
                url: $(that).data('read-url'),
                method: 'GET',
            }).done((response) => {
                // Fetch new HTML for menu widget
                __updateNotificationWidget($(that).data('update-url'));
            });

        },

        /**
         * Fetch notification as JSON and show modal
         * @param {object} that The notification link
         * @param {url} URL to fetch notification as JSON
         * @return
         */
        __showNotificationModal = (that, url) => {
            LOG.log('showNotificationModal');
            $.ajax({
                url: url,
                method: 'GET',
            }).done((response) => {

                const not = response.result;

                $('#admin-notification-modal .modal-title').html(not.title);
                $('#admin-notification-modal .modal-body-text').html(not.message);
                $('#admin-notification-modal .modal-content').addClass('panel-' + not.display_class);
                $('#admin-notification-modal .notification-date').html(not.created.substr(0, 16));
                $('#admin-notification-modal').modal();

                // TODO: Will this work in message includes a link that is clicked?
                $('#admin-notification-modal').off('hidden.bs.modal');
                $('#admin-notification-modal').on('hidden.bs.modal', (e) => {
                    __notificationIsRead(that);
                    $('#admin-notification-modal .modal-content').removeClass('panel-' + not.display_class);
                });
            });
        },

        /*##########PUBLIC##########*/
        /**
         * Bind onclick and stuff
         * @return
         */
        initNotification = () => {
            // const self = this;

            $('.admin-notification-link').each((nr, that) => {

                LOG.log('Number of Notification: ', nr);

                const url = $(that).data('url');
                const importance = $(that).data('importance');
                const status = $(that).data('status');

                // Important notifications are shown as pop-up on load
                if (importance == 3 && status == 'new') {
                    __showNotificationModal(that, url);
                    LOG.log('stoploop');
                    return false;  // Stop loop
                }

                // Bind click to notification in drop-down
                $(that).off('click.showNotification');
                $(that).on('click.showNotification', () => {
                    __showNotificationModal(that, url);
                });

            });

        },

        /**
         * Called from outside (update notifications when click
         * @param {string} url
         * @param {boolean} openAfter If notification widget should be opened after load; default to true
         * @return
         */

        updateNotificationWidget = (url, openAfter) => {
            // Make sure menu is open after load
            __updateNotificationWidget(url).then(() =>{
                if (openAfter !== false) {
                    $('#notification-li').addClass('open');
                }
            });
            // Only update once
            $('#notification-li').off('click.showNotification');
        },

        /**
         * Apply styling
         * @return
         */
        styleNotificationMenu = () => {
            LOG.log('styleNotificationMenu');
            const height = window.innerHeight - 70;
            $('#notification-outer-ul').css('height', height + 'px');
            $('#notification-inner-ul').css('height', (height - 60) + 'px');
            $('#notification-inner-li').css('height', (height - 60) + 'px');
        },

        deleteAllNotifications = (url, updateUrl) => {
            return $.ajax({
                url: url,
                method: 'GET',
                success: (response) => {
                   LOG.log('response', response);
                }
            }).then(() => {
                updateNotificationWidget(updateUrl);
            });
        };

        return {
            initNotification,
            updateNotificationWidget,
            styleNotificationMenu,
            deleteAllNotifications,
        }
    }

    //########################################################################

    const notificationSystem = new NotifcationSystem();

    export default notificationSystem;