{"version":3,"file":"toggle_contact_button.min.js","sources":["../src/toggle_contact_button.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 * Module to add/remove contact using ajax.\n *\n * @module     core_message/toggle_contact_button\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/templates', 'core/notification', 'core/custom_interaction_events'],\n        function($, Ajax, Templates, Notification, CustomEvents) {\n\n    /**\n     * Check the state of the element, if the current user is a contact or not.\n     *\n     * @method isContact\n     * @param {object} element jQuery object for the button\n     * @return {bool}\n     */\n    var isContact = function(element) {\n        return element.attr('data-is-contact') == '1';\n    };\n\n    /**\n     * Check the state of the element, if the current user has sent a contact request or not.\n     *\n     * @method isRequested\n     * @param {object} element jQuery object for the button\n     * @return {bool}\n     */\n    let isRequested = (element) => element.attr('data-is-requested') == '1';\n\n    /**\n     * Record that the user has sent a contact request.\n     *\n     * @method setContactRequested\n     * @param {object} element jQuery object for the button\n     */\n    var setContactRequested = function(element) {\n        element.attr('data-is-requested', '1');\n    };\n\n    /**\n     * Record that the user is not a contact.\n     *\n     * @method setNotContact\n     * @param {object} element jQuery object for the button\n     */\n    var setNotContact = function(element) {\n        element.attr('data-is-contact', '0');\n    };\n\n    /**\n     * Get the id for the user being viewed.\n     *\n     * @method getUserId\n     * @param {object} element jQuery object for the button\n     * @return {int}\n     */\n    var getUserId = function(element) {\n        return element.attr('data-userid');\n    };\n\n    /**\n     * Get the id for the logged in user.\n     *\n     * @method getUserId\n     * @param {object} element jQuery object for the button\n     * @return {int}\n     */\n    var getCurrentUserId = function(element) {\n        return element.attr('data-currentuserid');\n    };\n\n    /**\n     * Check whether a text label should be displayed or not.\n     *\n     * @method getUserId\n     * @param {object} element jQuery object for the button\n     * @return {int}\n     */\n    var displayTextLabel = function(element) {\n        return element.attr('data-display-text-label') == '1';\n    };\n\n    /**\n     * Check if this element is currently loading.\n     *\n     * @method isLoading\n     * @param {object} element jQuery object for the button\n     * @return {bool}\n     */\n    var isLoading = function(element) {\n        return element.hasClass('loading') || element.attr('disabled');\n    };\n\n    /**\n     * Sends an ajax request to the server and handles the element state\n     * while the request is being performed.\n     *\n     * @method sendRequest\n     * @param {object} element jQuery object for the button\n     * @param {object} request Request hash to send\n     * @return {object} jQuery promise\n     */\n    var sendRequest = function(element, request) {\n        if (isLoading(element)) {\n            return $.Deferred();\n        }\n\n        element.addClass('loading');\n        element.attr('disabled', 'disabled');\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .always(function() {\n                element.removeClass('loading');\n                element.removeAttr('disabled');\n            });\n    };\n\n    /**\n     * Send a request to the server to add the current user as\n     * a contact. The contents of the button are changed to the\n     * remove contact button upon success.\n     *\n     * @method addContact\n     * @param {object} element jQuery object for the button\n     */\n    var addContact = function(element) {\n        if (isLoading(element)) {\n            return;\n        }\n\n        var request = {\n            methodname: 'core_message_create_contact_request',\n            args: {\n                userid: getCurrentUserId(element),\n                requesteduserid: getUserId(element),\n            }\n        };\n        sendRequest(element, request).done(function() {\n            setContactRequested(element);\n            element.addClass('disabled');\n            const templateContext = {\n                'displaytextlabel': displayTextLabel(element)\n            };\n            Templates.render('message/contact_request_sent', templateContext).done(function(html, js) {\n                Templates.replaceNodeContents(element, html, js);\n            });\n        });\n    };\n\n    /**\n     * Send a request to the server to remove the current user as\n     * a contact. The contents of the button are changed to the\n     * add contact button upon success.\n     *\n     * @method removeContact\n     * @param {object} element jQuery object for the button\n     */\n    var removeContact = function(element) {\n        if (isLoading(element)) {\n            return;\n        }\n\n        var request = {\n            methodname: 'core_message_delete_contacts',\n            args: {\n                userids: [getUserId(element)],\n            }\n        };\n\n        sendRequest(element, request).done(function() {\n            setNotContact(element);\n            const templateContext = {\n                'displaytextlabel': displayTextLabel(element)\n            };\n            Templates.render('message/add_contact_button', templateContext).done(function(html, js) {\n                Templates.replaceNodeContents(element, html, js);\n            });\n        });\n    };\n\n    /**\n     * Enhances the given element with a loading gif and event handles to make\n     * ajax requests to add or remove a contact where appropriate.\n     *\n     * @public\n     * @method enhance\n     * @param {object} element jQuery object for the button\n     */\n    var enhance = function(element) {\n        element = $(element);\n\n        if (!element.children('.loading-icon').length && !isRequested(element)) {\n            // Add the loading gif if it isn't already there.\n            Templates.render('core/loading', {}).done(function(html, js) {\n                element.append(html, js);\n            });\n        }\n\n        CustomEvents.define(element, [CustomEvents.events.activate]);\n\n        element.on(CustomEvents.events.activate, function(e, data) {\n            if (isContact(element)) {\n                removeContact(element);\n            } else if (!isRequested(element)) {\n                addContact(element);\n            }\n            e.preventDefault();\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    return {\n        enhance: enhance\n    };\n});\n"],"names":["define","$","Ajax","Templates","Notification","CustomEvents","isRequested","element","attr","getUserId","getCurrentUserId","displayTextLabel","isLoading","hasClass","sendRequest","request","Deferred","addClass","call","fail","exception","always","removeClass","removeAttr","enhance","children","length","render","done","html","js","append","events","activate","on","e","data","isContact","methodname","args","userid","requesteduserid","setContactRequested","templateContext","replaceNodeContents","addContact","userids","setNotContact","removeContact","preventDefault","originalEvent"],"mappings":";;;;;;;AAsBAA,4CAAO,CAAC,SAAU,YAAa,iBAAkB,oBAAqB,mCAC9D,SAASC,EAAGC,KAAMC,UAAWC,aAAcC,kBAoB3CC,YAAeC,SAAiD,KAArCA,QAAQC,KAAK,yBA6BxCC,UAAY,SAASF,gBACdA,QAAQC,KAAK,gBAUpBE,iBAAmB,SAASH,gBACrBA,QAAQC,KAAK,uBAUpBG,iBAAmB,SAASJ,eACsB,KAA3CA,QAAQC,KAAK,4BAUpBI,UAAY,SAASL,gBACdA,QAAQM,SAAS,YAAcN,QAAQC,KAAK,aAYnDM,YAAc,SAASP,QAASQ,gBAC5BH,UAAUL,SACHN,EAAEe,YAGbT,QAAQU,SAAS,WACjBV,QAAQC,KAAK,WAAY,YAElBN,KAAKgB,KAAK,CAACH,UAAU,GACvBI,KAAKf,aAAagB,WAClBC,QAAO,WACJd,QAAQe,YAAY,WACpBf,QAAQgB,WAAW,uBAkGxB,CACHC,QAxBU,SAASjB,UACnBA,QAAUN,EAAEM,UAECkB,SAAS,iBAAiBC,QAAWpB,YAAYC,UAE1DJ,UAAUwB,OAAO,eAAgB,IAAIC,MAAK,SAASC,KAAMC,IACrDvB,QAAQwB,OAAOF,KAAMC,OAI7BzB,aAAaL,OAAOO,QAAS,CAACF,aAAa2B,OAAOC,WAElD1B,QAAQ2B,GAAG7B,aAAa2B,OAAOC,UAAU,SAASE,EAAGC,OAzLzC,SAAS7B,eACqB,KAAnCA,QAAQC,KAAK,mBAyLZ6B,CAAU9B,SAEFD,YAAYC,UA9Ef,SAASA,aAClBK,UAAUL,cAIVQ,QAAU,CACVuB,WAAY,sCACZC,KAAM,CACFC,OAAQ9B,iBAAiBH,SACzBkC,gBAAiBhC,UAAUF,WAGnCO,YAAYP,QAASQ,SAASa,MAAK,YAvGb,SAASrB,SAC/BA,QAAQC,KAAK,oBAAqB,KAuG9BkC,CAAoBnC,SACpBA,QAAQU,SAAS,kBACX0B,gBAAkB,kBACAhC,iBAAiBJ,UAEzCJ,UAAUwB,OAAO,+BAAgCgB,iBAAiBf,MAAK,SAASC,KAAMC,IAClF3B,UAAUyC,oBAAoBrC,QAASsB,KAAMC,WA4D7Ce,CAAWtC,SA/CH,SAASA,aACrBK,UAAUL,cAIVQ,QAAU,CACVuB,WAAY,+BACZC,KAAM,CACFO,QAAS,CAACrC,UAAUF,YAI5BO,YAAYP,QAASQ,SAASa,MAAK,YA7HnB,SAASrB,SACzBA,QAAQC,KAAK,kBAAmB,KA6H5BuC,CAAcxC,eACRoC,gBAAkB,kBACAhC,iBAAiBJ,UAEzCJ,UAAUwB,OAAO,6BAA8BgB,iBAAiBf,MAAK,SAASC,KAAMC,IAChF3B,UAAUyC,oBAAoBrC,QAASsB,KAAMC,WA2B7CkB,CAAczC,SAIlB4B,EAAEc,iBACFb,KAAKc,cAAcD"}