147 lines
5.1 KiB
JavaScript
147 lines
5.1 KiB
JavaScript
"use strict";
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const moment = require('moment');
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require('moment/locale/en-gb');
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const editorOptions = require("./pages/page-form");
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moment.locale('en-gb');
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module.exports = function (ngApp, events) {
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ngApp.controller('PageEditController', ['$scope', '$http', '$attrs', '$interval', '$timeout', '$sce',
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function ($scope, $http, $attrs, $interval, $timeout, $sce) {
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$scope.editorOptions = editorOptions();
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$scope.editContent = '';
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$scope.draftText = '';
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let pageId = Number($attrs.pageId);
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let isEdit = pageId !== 0;
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let autosaveFrequency = 30; // AutoSave interval in seconds.
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let isMarkdown = $attrs.editorType === 'markdown';
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$scope.draftsEnabled = $attrs.draftsEnabled === 'true';
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$scope.isUpdateDraft = Number($attrs.pageUpdateDraft) === 1;
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$scope.isNewPageDraft = Number($attrs.pageNewDraft) === 1;
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// Set initial header draft text
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if ($scope.isUpdateDraft || $scope.isNewPageDraft) {
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$scope.draftText = trans('entities.pages_editing_draft');
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} else {
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$scope.draftText = trans('entities.pages_editing_page');
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}
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let autoSave = false;
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let currentContent = {
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title: false,
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html: false
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};
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if (isEdit && $scope.draftsEnabled) {
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setTimeout(() => {
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startAutoSave();
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}, 1000);
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}
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// Actions specifically for the markdown editor
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if (isMarkdown) {
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$scope.displayContent = '';
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// Editor change event
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$scope.editorChange = function (content) {
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$scope.displayContent = $sce.trustAsHtml(content);
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}
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}
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if (!isMarkdown) {
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$scope.editorChange = function() {};
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}
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let lastSave = 0;
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/**
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* Start the AutoSave loop, Checks for content change
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* before performing the costly AJAX request.
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*/
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function startAutoSave() {
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currentContent.title = $('#name').val();
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currentContent.html = $scope.editContent;
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autoSave = $interval(() => {
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// Return if manually saved recently to prevent bombarding the server
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if (Date.now() - lastSave < (1000*autosaveFrequency)/2) return;
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let newTitle = $('#name').val();
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let newHtml = $scope.editContent;
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if (newTitle !== currentContent.title || newHtml !== currentContent.html) {
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currentContent.html = newHtml;
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currentContent.title = newTitle;
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saveDraft();
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}
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}, 1000 * autosaveFrequency);
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}
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let draftErroring = false;
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/**
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* Save a draft update into the system via an AJAX request.
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*/
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function saveDraft() {
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if (!$scope.draftsEnabled) return;
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let data = {
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name: $('#name').val(),
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html: isMarkdown ? $sce.getTrustedHtml($scope.displayContent) : $scope.editContent
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};
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if (isMarkdown) data.markdown = $scope.editContent;
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let url = window.baseUrl('/ajax/page/' + pageId + '/save-draft');
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$http.put(url, data).then(responseData => {
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draftErroring = false;
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let updateTime = moment.utc(moment.unix(responseData.data.timestamp)).toDate();
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$scope.draftText = responseData.data.message + moment(updateTime).format('HH:mm');
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if (!$scope.isNewPageDraft) $scope.isUpdateDraft = true;
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showDraftSaveNotification();
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lastSave = Date.now();
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}, errorRes => {
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if (draftErroring) return;
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events.emit('error', trans('errors.page_draft_autosave_fail'));
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draftErroring = true;
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});
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}
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function showDraftSaveNotification() {
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$scope.draftUpdated = true;
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$timeout(() => {
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$scope.draftUpdated = false;
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}, 2000)
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}
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$scope.forceDraftSave = function() {
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saveDraft();
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};
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// Listen to save draft events from editor
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$scope.$on('save-draft', saveDraft);
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/**
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* Discard the current draft and grab the current page
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* content from the system via an AJAX request.
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*/
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$scope.discardDraft = function () {
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let url = window.baseUrl('/ajax/page/' + pageId);
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$http.get(url).then(responseData => {
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if (autoSave) $interval.cancel(autoSave);
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$scope.draftText = trans('entities.pages_editing_page');
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$scope.isUpdateDraft = false;
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$scope.$broadcast('html-update', responseData.data.html);
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$scope.$broadcast('markdown-update', responseData.data.markdown || responseData.data.html);
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$('#name').val(responseData.data.name);
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$timeout(() => {
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startAutoSave();
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}, 1000);
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events.emit('success', trans('entities.pages_draft_discarded'));
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});
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};
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}]);
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};
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