550 lines
20 KiB
JavaScript
550 lines
20 KiB
JavaScript
import Ember from 'ember';
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import Mixin from 'ember-metal/mixin';
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import RSVP from 'rsvp';
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import computed, {alias, mapBy} from 'ember-computed';
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import injectService from 'ember-service/inject';
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import injectController from 'ember-controller/inject';
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import {htmlSafe} from 'ember-string';
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import observer from 'ember-metal/observer';
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import run from 'ember-runloop';
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import {isEmberArray} from 'ember-array/utils';
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import {isBlank} from 'ember-utils';
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import {task, timeout} from 'ember-concurrency';
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import PostModel from 'ghost-admin/models/post';
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import boundOneWay from 'ghost-admin/utils/bound-one-way';
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import {isVersionMismatchError} from 'ghost-admin/services/ajax';
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const {resolve} = RSVP;
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// this array will hold properties we need to watch
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// to know if the model has been changed (`controller.hasDirtyAttributes`)
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const watchedProps = ['model.scratch', 'model.titleScratch', 'model.hasDirtyAttributes', 'model.tags.[]'];
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PostModel.eachAttribute(function (name) {
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watchedProps.push(`model.${name}`);
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});
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export default Mixin.create({
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_autoSaveId: null,
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_timedSaveId: null,
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submitting: false,
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showLeaveEditorModal: false,
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showReAuthenticateModal: false,
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postSettingsMenuController: injectController('post-settings-menu'),
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notifications: injectService(),
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clock: injectService(),
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slugGenerator: injectService(),
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init() {
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this._super(...arguments);
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window.onbeforeunload = () => {
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return this.get('hasDirtyAttributes') ? this.unloadDirtyMessage() : null;
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};
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},
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shouldFocusTitle: alias('model.isNew'),
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shouldFocusEditor: false,
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autoSave: observer('model.scratch', function () {
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// Don't save just because we swapped out models
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if (this.get('model.isDraft') && !this.get('model.isNew')) {
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let autoSaveId,
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saveOptions,
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timedSaveId;
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saveOptions = {
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silent: true,
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backgroundSave: true
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};
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timedSaveId = run.throttle(this, 'send', 'save', saveOptions, 60000, false);
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this._timedSaveId = timedSaveId;
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autoSaveId = run.debounce(this, 'send', 'save', saveOptions, 3000);
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this._autoSaveId = autoSaveId;
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}
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}),
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/**
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* By default, a post will not change its publish state.
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* Only with a user-set value (via setSaveType action)
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* can the post's status change.
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*/
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willPublish: boundOneWay('model.isPublished'),
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willSchedule: boundOneWay('model.isScheduled'),
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scheduledWillPublish: boundOneWay('model.isPublished'),
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// set by the editor route and `hasDirtyAttributes`. useful when checking
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// whether the number of tags has changed for `hasDirtyAttributes`.
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previousTagNames: null,
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tagNames: mapBy('model.tags', 'name'),
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postOrPage: computed('model.page', function () {
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return this.get('model.page') ? 'Page' : 'Post';
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}),
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// countdown timer to show the time left until publish time for a scheduled post
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// starts 15 minutes before scheduled time
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scheduleCountdown: computed('model.status', 'clock.second', 'model.publishedAtUTC', 'model.timeScheduled', function () {
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let status = this.get('model.status');
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let publishTime = this.get('model.publishedAtUTC');
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this.get('clock.second');
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if (this.get('model.timeScheduled') && status === 'scheduled' && publishTime.diff(moment.utc(new Date()), 'minutes', true) < 15) {
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return moment(publishTime).fromNow();
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} else {
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return false;
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}
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}),
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// statusFreeze has two tasks:
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// 1. 2 minutes before the scheduled time it will return true to change the button layout in gh-editor-save-button. There will be no
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// dropdown menu, the save button gets the status 'isDangerous' to turn red and will only have the option to unschedule the post
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// 2. when the scheduled time is reached we use a helper 'scheduledWillPublish' to pretend we're already dealing with a published post.
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// This will take effect on the save button menu, the workflows and existing conditionals.
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statusFreeze: computed('model.status', 'clock.second', 'model.publishedAtUTC', 'model.timeScheduled', function () {
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let status = this.get('model.status');
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let publishTime = this.get('model.publishedAtUTC');
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this.get('clock.second');
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if (this.get('model.timeScheduled') && status === 'scheduled' && publishTime.diff(moment.utc(new Date()), 'minutes', true) < 2) {
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return true;
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} else if (!this.get('model.timeScheduled') && !this.get('scheduledWillPublish') && status === 'scheduled' && publishTime.diff(moment.utc(new Date()), 'hours', true) < 0) {
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// set the helper to true, until the model refreshed
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this.set('scheduledWillPublish', true);
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this.showSaveNotification('scheduled', 'published', false);
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return false;
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} else {
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return false;
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}
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}),
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// compares previousTagNames to tagNames
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tagNamesEqual() {
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let tagNames = this.get('tagNames') || [];
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let previousTagNames = this.get('previousTagNames') || [];
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let hashCurrent,
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hashPrevious;
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// beware! even if they have the same length,
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// that doesn't mean they're the same.
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if (tagNames.length !== previousTagNames.length) {
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return false;
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}
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// instead of comparing with slow, nested for loops,
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// perform join on each array and compare the strings
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hashCurrent = tagNames.join('');
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hashPrevious = previousTagNames.join('');
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return hashCurrent === hashPrevious;
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},
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// a hook created in editor-base-route's setupController
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modelSaved() {
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let model = this.get('model');
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// safer to updateTags on save in one place
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// rather than in all other places save is called
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model.updateTags();
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// set previousTagNames to current tagNames for hasDirtyAttributes check
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this.set('previousTagNames', this.get('tagNames'));
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// `updateTags` triggers `hasDirtyAttributes => true`.
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// for a saved model it would otherwise be false.
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// if the two "scratch" properties (title and content) match the model, then
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// it's ok to set hasDirtyAttributes to false
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if (model.get('titleScratch') === model.get('title') &&
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JSON.stringify(model.get('scratch')) === JSON.stringify(model.get('mobiledoc'))) {
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this.set('hasDirtyAttributes', false);
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}
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},
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// an ugly hack, but necessary to watch all the model's properties
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// and more, without having to be explicit and do it manually
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hasDirtyAttributes: computed.apply(Ember, watchedProps.concat({
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get() {
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let model = this.get('model');
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if (!model) {
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return false;
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}
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// let markdown = model.get('markdown');
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let mobiledoc = model.get('mobiledoc');
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let title = model.get('title');
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let titleScratch = model.get('titleScratch');
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let scratch = this.get('model.scratch');
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let changedAttributes;
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if (!this.tagNamesEqual()) {
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return true;
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}
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if (titleScratch !== title) {
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return true;
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}
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// since `scratch` is not model property, we need to check
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// it explicitly against the model's mobiledoc attribute
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// TODO either deep equals or compare the serialised version - RYAN
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if (mobiledoc !== scratch) {
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return true;
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}
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// if the Adapter failed to save the model isError will be true
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// and we should consider the model still dirty.
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if (model.get('isError')) {
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return true;
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}
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// models created on the client always return `hasDirtyAttributes: true`,
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// so we need to see which properties have actually changed.
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if (model.get('isNew')) {
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changedAttributes = Object.keys(model.changedAttributes());
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if (changedAttributes.length) {
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return true;
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}
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return false;
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}
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// even though we use the `scratch` prop to show edits,
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// which does *not* change the model's `hasDirtyAttributes` property,
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// `hasDirtyAttributes` will tell us if the other props have changed,
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// as long as the model is not new (model.isNew === false).
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return model.get('hasDirtyAttributes');
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},
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set(key, value) {
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return value;
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}
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})),
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// used on window.onbeforeunload
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unloadDirtyMessage() {
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return '==============================\n\n' +
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'Hey there! It looks like you\'re in the middle of writing' +
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' something and you haven\'t saved all of your content.' +
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'\n\nSave before you go!\n\n' +
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'==============================';
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},
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// TODO: This has to be moved to the I18n localization file.
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// This structure is supposed to be close to the i18n-localization which will be used soon.
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messageMap: {
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errors: {
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post: {
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published: {
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published: 'Update failed',
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draft: 'Saving failed',
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scheduled: 'Scheduling failed'
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},
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draft: {
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published: 'Publish failed',
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draft: 'Saving failed',
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scheduled: 'Scheduling failed'
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},
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scheduled: {
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scheduled: 'Updated failed',
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draft: 'Unscheduling failed',
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published: 'Publish failed'
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}
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}
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},
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success: {
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post: {
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published: {
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published: 'Updated.',
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draft: 'Saved.',
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scheduled: 'Scheduled.'
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},
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draft: {
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published: 'Published!',
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draft: 'Saved.',
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scheduled: 'Scheduled.'
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},
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scheduled: {
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scheduled: 'Updated.',
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draft: 'Unscheduled.',
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published: 'Published!'
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}
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}
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}
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},
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// TODO: Update for new notification click-action API
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showSaveNotification(prevStatus, status, delay) {
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let message = this.messageMap.success.post[prevStatus][status];
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let notifications = this.get('notifications');
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let type, path;
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if (status === 'published') {
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type = this.get('postOrPage');
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path = this.get('model.absoluteUrl');
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} else {
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type = 'Preview';
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path = this.get('model.previewUrl');
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}
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message += ` <a href="${path}" target="_blank">View ${type}</a>`;
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notifications.showNotification(message.htmlSafe(), {delayed: delay});
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},
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showErrorAlert(prevStatus, status, error, delay) {
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let message = this.messageMap.errors.post[prevStatus][status];
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let notifications = this.get('notifications');
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let errorMessage;
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function isString(str) {
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/*global toString*/
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return toString.call(str) === '[object String]';
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}
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if (error && isString(error)) {
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errorMessage = error;
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} else if (error && isEmberArray(error)) {
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// This is here because validation errors are returned as an array
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// TODO: remove this once validations are fixed
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errorMessage = error[0];
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} else if (error && error.errors && error.errors[0].message) {
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errorMessage = error.errors[0].message;
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} else {
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errorMessage = 'Unknown Error';
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}
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message += `: ${errorMessage}`;
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message = htmlSafe(message);
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notifications.showAlert(message, {type: 'error', delayed: delay, key: 'post.save'});
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},
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updateTitle: task(function* (newTitle) {
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this.set('model.titleScratch', newTitle);
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// if model is not new and title is not '(Untitled)', or model is new and
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// has a title, don't generate a slug
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if ((!this.get('model.isNew') || this.get('model.title')) && newTitle !== '(Untitled)') {
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return;
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}
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// debounce for 700 milliseconds
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yield timeout(700);
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yield this.get('generateSlug').perform();
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}).restartable(),
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generateSlug: task(function* () {
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let title = this.get('model.titleScratch');
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// Only set an "untitled" slug once per post
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if (title === '(Untitled)' && this.get('model.slug')) {
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return;
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}
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try {
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let slug = yield this.get('slugGenerator').generateSlug('post', title);
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if (!isBlank(slug)) {
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this.set('model.slug', slug);
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}
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} catch (error) {
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// Nothing to do (would be nice to log this somewhere though),
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// but a rejected promise needs to be handled here so that a resolved
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// promise is returned.
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if (isVersionMismatchError(error)) {
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this.get('notifications').showAPIError(error);
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}
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}
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}).enqueue(),
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actions: {
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cancelTimers() {
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let autoSaveId = this._autoSaveId;
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let timedSaveId = this._timedSaveId;
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if (autoSaveId) {
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run.cancel(autoSaveId);
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this._autoSaveId = null;
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}
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if (timedSaveId) {
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run.cancel(timedSaveId);
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this._timedSaveId = null;
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}
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},
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save(options) {
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let prevStatus = this.get('model.status');
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let isNew = this.get('model.isNew');
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let psmController = this.get('postSettingsMenuController');
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let promise, status;
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options = options || {};
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this.toggleProperty('submitting');
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if (options.backgroundSave) {
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// do not allow a post's status to be set to published by a background save
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status = 'draft';
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} else {
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if (this.get('scheduledWillPublish')) {
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status = (!this.get('willSchedule') && !this.get('willPublish')) ? 'draft' : 'published';
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} else {
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if (this.get('willPublish') && !this.get('model.isScheduled') && !this.get('statusFreeze')) {
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status = 'published';
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} else if (this.get('willSchedule') && !this.get('model.isPublished') && !this.get('statusFreeze')) {
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status = 'scheduled';
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} else {
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status = 'draft';
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}
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}
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}
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this.send('cancelTimers');
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// Set the properties that are indirected
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// set mobiledoc equal to what's in the editor, minus the image markers.
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this.set('model.mobiledoc', this.get('model.scratch'));
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this.set('model.status', status);
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// Set a default title
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if (!this.get('model.titleScratch').trim()) {
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this.set('model.titleScratch', '(Untitled)');
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}
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this.set('model.title', this.get('model.titleScratch'));
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this.set('model.metaTitle', psmController.get('metaTitleScratch'));
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this.set('model.metaDescription', psmController.get('metaDescriptionScratch'));
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if (!this.get('model.slug')) {
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this.get('updateTitle').cancelAll();
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promise = this.get('generateSlug').perform();
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}
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return resolve(promise).then(() => {
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return this.get('model').save(options).then((model) => {
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if (!options.silent) {
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this.showSaveNotification(prevStatus, model.get('status'), isNew ? true : false);
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}
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this.toggleProperty('submitting');
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// reset the helper CP back to false after saving and refetching the new model
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// which is published by the scheduler process on the server now
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if (this.get('scheduledWillPublish')) {
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this.set('scheduledWillPublish', false);
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}
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return model;
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});
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}).catch((error) => {
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// re-throw if we have a general server error
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// TODO: use isValidationError(error) once we have
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// ember-ajax/ember-data integration
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if (error && error.errors && error.errors[0].errorType !== 'ValidationError') {
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this.toggleProperty('submitting');
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this.send('error', error);
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return;
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}
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if (!options.silent) {
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error = error || this.get('model.errors.messages');
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this.showErrorAlert(prevStatus, this.get('model.status'), error);
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}
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this.set('model.status', prevStatus);
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this.toggleProperty('submitting');
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return this.get('model');
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});
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},
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setSaveType(newType) {
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if (newType === 'publish') {
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this.set('willPublish', true);
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this.set('willSchedule', false);
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} else if (newType === 'draft') {
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this.set('willPublish', false);
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this.set('willSchedule', false);
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} else if (newType === 'schedule') {
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this.set('willSchedule', true);
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this.set('willPublish', false);
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}
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},
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autoSaveNew() {
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if (this.get('model.isNew')) {
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this.send('save', {silent: true, backgroundSave: true});
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}
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},
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toggleLeaveEditorModal(transition) {
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this.set('leaveEditorTransition', transition);
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this.toggleProperty('showLeaveEditorModal');
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},
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leaveEditor() {
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let transition = this.get('leaveEditorTransition');
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let model = this.get('model');
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if (!transition) {
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this.get('notifications').showAlert('Sorry, there was an error in the application. Please let the Ghost team know what happened.', {type: 'error'});
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return;
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}
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// definitely want to clear the data store and post of any unsaved, client-generated tags
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model.updateTags();
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if (model.get('isNew')) {
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// the user doesn't want to save the new, unsaved post, so delete it.
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model.deleteRecord();
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} else {
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// roll back changes on model props
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model.rollbackAttributes();
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}
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// setting hasDirtyAttributes to false here allows willTransition on the editor route to succeed
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this.set('hasDirtyAttributes', false);
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// since the transition is now certain to complete, we can unset window.onbeforeunload here
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window.onbeforeunload = null;
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return transition.retry();
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},
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updateTitle() {
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let currentTitle = this.model.get('title');
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let newTitle = this.model.get('titleScratch').trim();
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if (currentTitle === newTitle) {
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return;
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}
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if (this.get('model.isDraft') && !this.get('model.isNew')) {
|
|
// this is preferrable to setting hasDirtyAttributes to false manually
|
|
this.model.set('title', newTitle);
|
|
|
|
this.send('save', {
|
|
silent: true,
|
|
backgroundSave: true
|
|
});
|
|
}
|
|
},
|
|
|
|
toggleReAuthenticateModal() {
|
|
this.toggleProperty('showReAuthenticateModal');
|
|
}
|
|
}
|
|
});
|