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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A system for displaying notifications to users from the session.\n *\n * Wrapper for the YUI M.core.notification class. Allows us to\n * use the YUI version in AMD code until it is replaced.\n *\n * @module     core/notification\n * @class      notification\n * @package    core\n * @copyright  2015 Damyon Wiese <[email protected]>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(['core/yui', 'jquery', 'core/log', 'core/pending'],\nfunction(Y, $, log, Pending) {\n    var notificationModule = {\n        types: {\n            'success':  'core/notification_success',\n            'info':     'core/notification_info',\n            'warning':  'core/notification_warning',\n            'error':    'core/notification_error',\n        },\n\n        fieldName: 'user-notifications',\n\n        fetchNotifications: function() {\n            var pendingPromise = new Pending('core/notification:fetchNotifications');\n\n            require(['core/ajax'], function(ajax) {\n                var promises = ajax.call([{\n                    methodname: 'core_fetch_notifications',\n                    args: {\n                        contextid: notificationModule.contextid\n                    }\n                }]);\n\n                // This currently fails when not logged in.\n                // eslint-disable-next-line promise/catch-or-return\n                promises[0]\n                .then(notificationModule.addNotifications)\n                .always(pendingPromise.resolve);\n            });\n        },\n\n        addNotifications: function(notifications) {\n            var pendingPromise = new Pending('core/notification:addNotifications');\n\n            if (!notifications) {\n                notifications = [];\n            }\n\n            $.each(notifications, function(i, notification) {\n                notificationModule.renderNotification(notification.template, notification.variables);\n            });\n\n            pendingPromise.resolve();\n        },\n\n        setupTargetRegion: function() {\n            var targetRegion = $('#' + notificationModule.fieldName);\n            if (targetRegion.length) {\n                return false;\n            }\n\n            var newRegion = $('<span>').attr('id', notificationModule.fieldName);\n\n            targetRegion = $('#region-main');\n            if (targetRegion.length) {\n                return targetRegion.prepend(newRegion);\n            }\n\n            targetRegion = $('[role=\"main\"]');\n            if (targetRegion.length) {\n                return targetRegion.prepend(newRegion);\n            }\n\n            targetRegion = $('body');\n            return targetRegion.prepend(newRegion);\n        },\n\n        addNotification: function(notification) {\n            var pendingPromise = new Pending('core/notification:addNotifications');\n\n            var template = notificationModule.types.error;\n\n            notification = $.extend({\n                closebutton:    true,\n                announce:       true,\n                type:           'error'\n            }, notification);\n\n            if (notification.template) {\n                template = notification.template;\n                delete notification.template;\n            } else if (notification.type) {\n                if (typeof notificationModule.types[notification.type] !== 'undefined') {\n                    template = notificationModule.types[notification.type];\n                }\n                delete notification.type;\n            }\n\n            pendingPromise.resolve();\n\n            return notificationModule.renderNotification(template, notification);\n        },\n\n        renderNotification: function(template, variables) {\n            if (typeof variables.message === 'undefined' || !variables.message) {\n                log.debug('Notification received without content. Skipping.');\n                return;\n            }\n\n            var pendingPromise = new Pending('core/notification:renderNotification');\n\n            require(['core/templates'], function(templates) {\n                templates.render(template, variables)\n                .then(function(html, js) {\n                    $('#' + notificationModule.fieldName).prepend(html);\n                    templates.runTemplateJS(js);\n\n                    return;\n                })\n                .then(pendingPromise.resolve)\n                .catch(notificationModule.exception);\n            });\n        },\n\n        alert: function(title, message, yesLabel) {\n            var pendingPromise = new Pending('core/notification:alert');\n\n            // Here we are wrapping YUI. This allows us to start transitioning, but\n            // wait for a good alternative without having inconsistent dialogues.\n            Y.use('moodle-core-notification-alert', function() {\n                var alert = new M.core.alert({\n                    title: title,\n                    message: message,\n                    yesLabel: yesLabel\n                });\n\n                alert.show();\n\n                pendingPromise.resolve();\n            });\n        },\n\n        confirm: function(title, question, yesLabel, noLabel, yesCallback, noCallback) {\n            var pendingPromise = new Pending('core/notification:confirm');\n\n            // Here we are wrapping YUI. This allows us to start transitioning, but\n            // wait for a good alternative without having inconsistent dialogues.\n            Y.use('moodle-core-notification-confirm', function() {\n                var modal = new M.core.confirm({\n                    title: title,\n                    question: question,\n                    yesLabel: yesLabel,\n                    noLabel: noLabel\n                });\n\n                modal.on('complete-yes', function() {\n                    yesCallback();\n                });\n                if (noCallback) {\n                    modal.on('complete-no', function() {\n                        noCallback();\n                    });\n                }\n                modal.show();\n\n                pendingPromise.resolve();\n            });\n        },\n\n        exception: function(ex) {\n            var pendingPromise = new Pending('core/notification:addNotifications');\n\n            // Fudge some parameters.\n            if (typeof ex.stack == 'undefined') {\n                ex.stack = '';\n            }\n            if (ex.debuginfo) {\n                ex.stack += ex.debuginfo + '\\n';\n            }\n            if (!ex.backtrace && ex.stacktrace) {\n                ex.backtrace = ex.stacktrace;\n            }\n            if (ex.backtrace) {\n                ex.stack += ex.backtrace;\n                var ln = ex.backtrace.match(/line ([^ ]*) of/);\n                var fn = ex.backtrace.match(/ of ([^:]*): /);\n                if (ln && ln[1]) {\n                    ex.lineNumber = ln[1];\n                }\n                if (fn && fn[1]) {\n                    ex.fileName = fn[1];\n                    if (ex.fileName.length > 30) {\n                        ex.fileName = '...' + ex.fileName.substr(ex.fileName.length - 27);\n                    }\n                }\n            }\n            if (typeof ex.name == 'undefined' && ex.errorcode) {\n                ex.name = ex.errorcode;\n            }\n\n            Y.use('moodle-core-notification-exception', function() {\n                var modal = new M.core.exception(ex);\n\n                modal.show();\n\n                pendingPromise.resolve();\n            });\n        }\n    };\n\n    return /** @alias module:core/notification */{\n        init: function(contextid, notifications) {\n            notificationModule.contextid = contextid;\n\n            // Setup the message target region if it isn't setup already\n            notificationModule.setupTargetRegion();\n\n            // Add provided notifications.\n            notificationModule.addNotifications(notifications);\n\n            // Poll for any new notifications.\n            notificationModule.fetchNotifications();\n        },\n\n        /**\n         * Poll the server for any new notifications.\n         *\n         * @method fetchNotifications\n         */\n        fetchNotifications: notificationModule.fetchNotifications,\n\n        /**\n         * Add a notification to the page.\n         *\n         * Note: This does not cause the notification to be added to the session.\n         *\n         * @method addNotification\n         * @param {Object}  notification                The notification to add.\n         * @param {string}  notification.message        The body of the notification\n         * @param {string}  notification.type           The type of notification to add (error, warning, info, success).\n         * @param {Boolean} notification.closebutton    Whether to show the close button.\n         * @param {Boolean} notification.announce       Whether to announce to screen readers.\n         */\n        addNotification: notificationModule.addNotification,\n\n        /**\n         * Wrap M.core.alert.\n         *\n         * @method alert\n         * @param {string} title\n         * @param {string} message\n         * @param {string} yesLabel\n         */\n        alert: notificationModule.alert,\n\n        /**\n         * Wrap M.core.confirm.\n         *\n         * @method confirm\n         * @param {string} title\n         * @param {string} question\n         * @param {string} yesLabel\n         * @param {string} noLabel\n         * @param {function} yesCallback\n         * @param {function} noCallback Optional parameter to be called if the user presses cancel.\n         */\n        confirm: notificationModule.confirm,\n\n        /**\n         * Wrap M.core.exception.\n         *\n         * @method exception\n         * @param {Error} ex\n         */\n        exception: notificationModule.exception\n    };\n});\n"],"file":"notification.min.js"}