{"version":3,"file":"ajax.min.js","sources":["https:\/\/edu.grsu.by\/lib\/amd\/src\/ajax.js"],"sourcesContent":["\/\/ 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 * Standard Ajax wrapper for Moodle. It calls the central Ajax script,\n * which can call any existing webservice using the current session.\n * In addition, it can batch multiple requests and return multiple responses.\n *\n * @module     core\/ajax\n * @class      ajax\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http:\/\/www.gnu.org\/copyleft\/gpl.html GNU GPL v3 or later\n * @since      2.9\n *\/\ndefine(['jquery', 'core\/config', 'core\/log', 'core\/url'], function($, config, Log, URL) {\n\n    \/\/ Keeps track of when the user leaves the page so we know not to show an error.\n    var unloading = false;\n\n    \/**\n     * Success handler. Called when the ajax call succeeds. Checks each response and\n     * resolves or rejects the deferred from that request.\n     *\n     * @method requestSuccess\n     * @private\n     * @param {Object[]} responses Array of responses containing error, exception and data attributes.\n     *\/\n    var requestSuccess = function(responses) {\n        \/\/ Call each of the success handlers.\n        var requests = this,\n            exception = null,\n            i = 0,\n            request,\n            response,\n            nosessionupdate;\n\n        if (responses.error) {\n            \/\/ There was an error with the request as a whole.\n            \/\/ We need to reject each promise.\n            \/\/ Unfortunately this may lead to duplicate dialogues, but each Promise must be rejected.\n            for (; i < requests.length; i++) {\n                request = requests[i];\n                request.deferred.reject(responses);\n            }\n\n            return;\n        }\n\n        for (i = 0; i < requests.length; i++) {\n            request = requests[i];\n\n            response = responses[i];\n            \/\/ We may not have responses for all the requests.\n            if (typeof response !== \"undefined\") {\n                if (response.error === false) {\n                    \/\/ Call the done handler if it was provided.\n                    request.deferred.resolve(response.data);\n                } else {\n                    exception = response.exception;\n                    nosessionupdate = requests[i].nosessionupdate;\n                    break;\n                }\n            } else {\n                \/\/ This is not an expected case.\n                exception = new Error('missing response');\n                break;\n            }\n        }\n        \/\/ Something failed, reject the remaining promises.\n        if (exception !== null) {\n            \/\/ Redirect to the login page.\n            if (exception.errorcode === \"servicerequireslogin\" && !nosessionupdate) {\n                window.location = URL.relativeUrl(\"\/login\/index.php\");\n            } else {\n                requests.forEach(function(request) {\n                    request.deferred.reject(exception);\n                });\n            }\n        }\n    };\n\n    \/**\n     * Fail handler. Called when the ajax call fails. Rejects all deferreds.\n     *\n     * @method requestFail\n     * @private\n     * @param {jqXHR} jqXHR The ajax object.\n     * @param {string} textStatus The status string.\n     * @param {Error|Object} exception The error thrown.\n     *\/\n    var requestFail = function(jqXHR, textStatus, exception) {\n        \/\/ Reject all the promises.\n        var requests = this;\n\n        var i = 0;\n        for (i = 0; i < requests.length; i++) {\n            var request = requests[i];\n\n            if (unloading) {\n                \/\/ No need to trigger an error because we are already navigating.\n                Log.error(\"Page unloaded.\");\n                Log.error(exception);\n            } else {\n                request.deferred.reject(exception);\n            }\n        }\n    };\n\n    return \/** @alias module:core\/ajax *\/ {\n        \/\/ Public variables and functions.\n        \/**\n         * Make a series of ajax requests and return all the responses.\n         *\n         * @method call\n         * @param {Object[]} requests Array of requests with each containing methodname and args properties.\n         *                   done and fail callbacks can be set for each element in the array, or the\n         *                   can be attached to the promises returned by this function.\n         * @param {Boolean} async Optional, defaults to true.\n         *                  If false - this function will not return until the promises are resolved.\n         * @param {Boolean} loginrequired Optional, defaults to true.\n         *                  If false - this function will call the faster nologin ajax script - but\n         *                  will fail unless all functions have been marked as 'loginrequired' => false\n         *                  in services.php\n         * @param {Boolean} nosessionupdate Optional, defaults to false.\n         *                  If true, the timemodified for the session will not be updated.\n         * @param {Integer} timeout number of milliseconds to wait for a response. Defaults to no limit.\n         * @param {Integer} cachekey This is used in order to identify the request. If this id changes then we\n         *                  will be sending a different URL and any caching (eg. browser, proxy) knows that it\n         *                  should perform another request and not use the cache. Note - this variable is only\n         *                  used when we are calling 'service-nologin.php'. See MDL-65794.\n         * @return {Promise[]} Array of promises that will be resolved when the ajax call returns.\n         *\/\n        call: function(requests, async, loginrequired, nosessionupdate, timeout, cachekey) {\n            $(window).bind('beforeunload', function() {\n                unloading = true;\n            });\n            var ajaxRequestData = [],\n                i,\n                promises = [],\n                methodInfo = [],\n                requestInfo = '';\n\n            var maxUrlLength = 2000;\n\n            if (typeof loginrequired === \"undefined\") {\n                loginrequired = true;\n            }\n            if (typeof async === \"undefined\") {\n                async = true;\n            }\n            if (typeof timeout === 'undefined') {\n                timeout = 0;\n            }\n            if (typeof cachekey === 'undefined') {\n                cachekey = null;\n            } else {\n                cachekey = parseInt(cachekey);\n                if (cachekey <= 0) {\n                    cachekey = null;\n                } else if (!cachekey) {\n                    cachekey = null;\n                }\n            }\n\n            if (typeof nosessionupdate === \"undefined\") {\n                nosessionupdate = false;\n            }\n            for (i = 0; i < requests.length; i++) {\n                var request = requests[i];\n                ajaxRequestData.push({\n                    index: i,\n                    methodname: request.methodname,\n                    args: request.args\n                });\n                request.nosessionupdate = nosessionupdate;\n                request.deferred = $.Deferred();\n                promises.push(request.deferred.promise());\n                \/\/ Allow setting done and fail handlers as arguments.\n                \/\/ This is just a shortcut for the calling code.\n                if (typeof request.done !== \"undefined\") {\n                    request.deferred.done(request.done);\n                }\n                if (typeof request.fail !== \"undefined\") {\n                    request.deferred.fail(request.fail);\n                }\n                request.index = i;\n                methodInfo.push(request.methodname);\n            }\n\n            if (methodInfo.length <= 5) {\n                requestInfo = methodInfo.sort().join();\n            } else {\n                requestInfo = methodInfo.length + '-method-calls';\n            }\n\n            ajaxRequestData = JSON.stringify(ajaxRequestData);\n            var settings = {\n                type: 'POST',\n                context: requests,\n                dataType: 'json',\n                processData: false,\n                async: async,\n                contentType: \"application\/json\",\n                timeout: timeout\n            };\n\n            var script = 'service.php';\n            var url = config.wwwroot + '\/lib\/ajax\/';\n            if (!loginrequired) {\n                script = 'service-nologin.php';\n                url += script + '?info=' + requestInfo;\n                if (cachekey) {\n                    url += '&cachekey=' + cachekey;\n                    settings.type = 'GET';\n                }\n            } else {\n                url += script + '?sesskey=' + config.sesskey + '&info=' + requestInfo;\n            }\n\n            if (nosessionupdate) {\n                url += '&nosessionupdate=true';\n            }\n\n            if (settings.type === 'POST') {\n                settings.data = ajaxRequestData;\n            } else {\n                var urlUseGet = url + '&args=' + encodeURIComponent(ajaxRequestData);\n\n                if (urlUseGet.length > maxUrlLength) {\n                    settings.type = 'POST';\n                    settings.data = ajaxRequestData;\n                } else {\n                    url = urlUseGet;\n                }\n            }\n\n            \/\/ Jquery deprecated done and fail with async=false so we need to do this 2 ways.\n            if (async) {\n                $.ajax(url, settings)\n                    .done(requestSuccess)\n                    .fail(requestFail);\n            } else {\n                settings.success = requestSuccess;\n                settings.error = requestFail;\n                $.ajax(url, settings);\n            }\n\n            return promises;\n        }\n    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