Ghost/ghost/admin/app/controllers/editor.js
Rish 7f465278c6 Fixed lint
no issue
2020-02-24 13:39:59 +05:30

848 lines
30 KiB
JavaScript

import Controller from '@ember/controller';
import PostModel from 'ghost-admin/models/post';
import boundOneWay from 'ghost-admin/utils/bound-one-way';
import config from 'ghost-admin/config/environment';
import isNumber from 'ghost-admin/utils/isNumber';
import {alias, mapBy} from '@ember/object/computed';
import {computed} from '@ember/object';
import {inject as controller} from '@ember/controller';
import {get} from '@ember/object';
import {htmlSafe} from '@ember/string';
import {isBlank} from '@ember/utils';
import {isArray as isEmberArray} from '@ember/array';
import {isHostLimitError} from 'ghost-admin/services/ajax';
import {isInvalidError} from 'ember-ajax/errors';
import {isVersionMismatchError} from 'ghost-admin/services/ajax';
import {inject as service} from '@ember/service';
import {task, taskGroup, timeout} from 'ember-concurrency';
const DEFAULT_TITLE = '(Untitled)';
// time in ms to save after last content edit
const AUTOSAVE_TIMEOUT = 3000;
// time in ms to force a save if the user is continuously typing
const TIMEDSAVE_TIMEOUT = 60000;
// this array will hold properties we need to watch for this.hasDirtyAttributes
let watchedProps = [
'post.scratch',
'post.titleScratch',
'post.hasDirtyAttributes',
'post.tags.[]',
'post.isError'
];
// add all post model attrs to the watchedProps array, easier to do it this way
// than remember to update every time we add a new attr
PostModel.eachAttribute(function (name) {
watchedProps.push(`post.${name}`);
});
const messageMap = {
errors: {
post: {
published: {
published: 'Update failed',
draft: 'Saving failed',
scheduled: 'Scheduling failed'
},
draft: {
published: 'Publish failed',
draft: 'Saving failed',
scheduled: 'Scheduling failed'
},
scheduled: {
scheduled: 'Update failed',
draft: 'Unscheduling failed',
published: 'Publish failed'
}
}
},
success: {
post: {
published: {
published: 'Updated.',
draft: 'Saved.',
scheduled: 'Scheduled.'
},
draft: {
published: 'Published!',
draft: 'Saved.',
scheduled: 'Scheduled.'
},
scheduled: {
scheduled: 'Updated.',
draft: 'Unscheduled.',
published: 'Published!'
}
}
}
};
export default Controller.extend({
application: controller(),
feature: service(),
notifications: service(),
router: service(),
slugGenerator: service(),
session: service(),
ui: service(),
/* public properties -----------------------------------------------------*/
infoMessage: null,
leaveEditorTransition: null,
shouldFocusEditor: false,
showDeletePostModal: false,
showLeaveEditorModal: false,
showReAuthenticateModal: false,
showEmailPreviewModal: false,
showUpgradeModal: false,
hostLimitError: null,
// koenig related properties
wordcount: null,
/* private properties ----------------------------------------------------*/
// set by setPost and _postSaved, used in hasDirtyAttributes
_previousTagNames: null,
/* computed properties ---------------------------------------------------*/
post: alias('model'),
// store the desired post status locally without updating the model,
// the model will only be updated when a save occurs
willPublish: boundOneWay('post.isPublished'),
willSchedule: boundOneWay('post.isScheduled'),
// updateSlug and save should always be enqueued so that we don't run into
// problems with concurrency, for example when Cmd-S is pressed whilst the
// cursor is in the slug field - that would previously trigger a simultaneous
// slug update and save resulting in ember data errors and inconsistent save
// results
saveTasks: taskGroup().enqueue(),
_tagNames: mapBy('post.tags', 'name'),
hasDirtyAttributes: computed(...watchedProps, {
get() {
return this._hasDirtyAttributes();
},
set(key, value) {
return value;
}
}),
_autosaveRunning: computed('_autosave.isRunning', '_timedSave.isRunning', function () {
let autosave = this.get('_autosave.isRunning');
let timedsave = this.get('_timedSave.isRunning');
return autosave || timedsave;
}),
_canAutosave: computed('post.isDraft', function () {
return config.environment !== 'test' && this.get('post.isDraft');
}),
/* actions ---------------------------------------------------------------*/
actions: {
updateScratch(mobiledoc) {
this.set('post.scratch', mobiledoc);
// save 3 seconds after last edit
this._autosave.perform();
// force save at 60 seconds
this._timedSave.perform();
},
updateTitleScratch(title) {
this.set('post.titleScratch', title);
},
// updates local willPublish/Schedule values, does not get applied to
// the post's `status` value until a save is triggered
setSaveType(newType) {
if (newType === 'publish') {
this.set('willPublish', true);
this.set('willSchedule', false);
} else if (newType === 'draft') {
this.set('willPublish', false);
this.set('willSchedule', false);
} else if (newType === 'schedule') {
this.set('willSchedule', true);
this.set('willPublish', false);
}
},
save(options) {
return this.save.perform(options);
},
// used to prevent unexpected background saves. Triggered when opening
// publish menu, starting a manual save, and when leaving the editor
cancelAutosave() {
this._autosave.cancelAll();
this._timedSave.cancelAll();
},
toggleLeaveEditorModal(transition) {
let leaveTransition = this.leaveEditorTransition;
// "cancel" was clicked in the "are you sure?" modal so we just
// reset the saved transition and remove the modal
if (!transition && this.showLeaveEditorModal) {
this.set('leaveEditorTransition', null);
this.set('showLeaveEditorModal', false);
return;
}
if (!leaveTransition || transition.targetName === leaveTransition.targetName) {
this.set('leaveEditorTransition', transition);
// if a save is running, wait for it to finish then transition
if (this.get('saveTasks.isRunning')) {
return this.get('saveTasks.last').then(() => {
transition.retry();
});
}
// if an autosave is scheduled, cancel it, save then transition
if (this._autosaveRunning) {
this.send('cancelAutosave');
this.autosave.cancelAll();
return this.autosave.perform().then(() => {
transition.retry();
});
}
// we genuinely have unsaved data, show the modal
if (this.post) {
Object.assign(this._leaveModalReason, {status: this.post.status});
}
console.log('showing leave editor modal', this._leaveModalReason); // eslint-disable-line
this.set('showLeaveEditorModal', true);
}
},
// called by the "are you sure?" modal
leaveEditor() {
let transition = this.leaveEditorTransition;
if (!transition) {
this.notifications.showAlert('Sorry, there was an error in the application. Please let the Ghost team know what happened.', {type: 'error'});
return;
}
// perform cleanup and reset manually, ensures the transition will succeed
this.reset();
return transition.retry();
},
toggleDeletePostModal() {
if (!this.get('post.isNew')) {
this.toggleProperty('showDeletePostModal');
}
},
toggleEmailPreviewModal() {
this.toggleProperty('showEmailPreviewModal');
},
toggleReAuthenticateModal() {
this.toggleProperty('showReAuthenticateModal');
},
openUpgradeModal() {
this.set('showUpgradeModal', true);
},
closeUpgradeModal() {
this.set('showUpgradeModal', false);
},
setKoenigEditor(koenig) {
this._koenig = koenig;
// remove any empty cards when displaying a draft post
// - empty cards may be left in draft posts due to autosave occuring
// whilst an empty card is present then the user closing the browser
// or refreshing the page
if (this.post.isDraft) {
this._koenig.cleanup();
}
},
updateWordCount(counts) {
this.set('wordCount', counts);
}
},
/* Public tasks ----------------------------------------------------------*/
// separate task for autosave so that it doesn't override a manual save
autosave: task(function* () {
if (!this.get('save.isRunning')) {
return yield this.save.perform({
silent: true,
backgroundSave: true
});
}
}).drop(),
// save tasks cancels autosave before running, although this cancels the
// _xSave tasks that will also cancel the autosave task
save: task(function* (options = {}) {
let prevStatus = this.get('post.status');
let isNew = this.get('post.isNew');
let status;
this.send('cancelAutosave');
if (options.backgroundSave && !this.hasDirtyAttributes) {
return;
}
if (options.backgroundSave) {
// do not allow a post's status to be set to published by a background save
status = 'draft';
} else {
if (this.get('post.pastScheduledTime')) {
status = (!this.willSchedule && !this.willPublish) ? 'draft' : 'published';
} else {
if (this.willPublish && !this.get('post.isScheduled')) {
status = 'published';
} else if (this.willSchedule && !this.get('post.isPublished')) {
status = 'scheduled';
} else {
status = 'draft';
}
}
// let the adapter know it should use the `?send_email_when_published` QP when saving
let isPublishing = status === 'published' && !this.post.isPublished;
let isScheduling = status === 'scheduled' && !this.post.isScheduled;
if (options.sendEmailWhenPublished && (isPublishing || isScheduling)) {
options.adapterOptions = Object.assign({}, options.adapterOptions, {sendEmailWhenPublished: true});
}
}
// ensure we remove any blank cards when performing a full save
if (!options.backgroundSave) {
if (this._koenig) {
this._koenig.cleanup();
this.set('hasDirtyAttributes', true);
}
}
// Set the properties that are indirected
// set mobiledoc equal to what's in the editor but create a copy so that
// nested objects/arrays don't keep references which can mean that both
// scratch and mobiledoc get updated simultaneously
this.set('post.mobiledoc', JSON.parse(JSON.stringify(this.post.scratch || null)));
this.set('post.status', status);
// Set a default title
if (!this.get('post.titleScratch').trim()) {
this.set('post.titleScratch', DEFAULT_TITLE);
}
this.set('post.title', this.get('post.titleScratch'));
this.set('post.customExcerpt', this.get('post.customExcerptScratch'));
this.set('post.footerInjection', this.get('post.footerExcerptScratch'));
this.set('post.headerInjection', this.get('post.headerExcerptScratch'));
this.set('post.metaTitle', this.get('post.metaTitleScratch'));
this.set('post.metaDescription', this.get('post.metaDescriptionScratch'));
this.set('post.ogTitle', this.get('post.ogTitleScratch'));
this.set('post.ogDescription', this.get('post.ogDescriptionScratch'));
this.set('post.twitterTitle', this.get('post.twitterTitleScratch'));
this.set('post.twitterDescription', this.get('post.twitterDescriptionScratch'));
this.set('post.emailSubject', this.get('post.emailSubjectScratch'));
if (!this.get('post.slug')) {
this.saveTitle.cancelAll();
yield this.generateSlug.perform();
}
try {
let post = yield this._savePost.perform(options);
post.set('statusScratch', null);
if (!options.silent) {
this._showSaveNotification(prevStatus, post.get('status'), isNew ? true : false);
}
// redirect to edit route if saving a new record
if (isNew && post.get('id')) {
if (!this.leaveEditorTransition) {
this.replaceRoute('editor.edit', post);
}
return true;
}
return post;
} catch (error) {
// trigger upgrade modal if forbidden(403) error
if (isHostLimitError(error)) {
this.post.rollbackAttributes();
this.set('hostLimitError', error.payload.errors[0]);
this.set('showUpgradeModal', true);
return;
}
// re-throw if we have a general server error
if (error && !isInvalidError(error)) {
this.send('error', error);
return;
}
this.set('post.status', prevStatus);
if (!options.silent) {
let errorOrMessages = error || this.get('post.errors.messages');
this._showErrorAlert(prevStatus, this.get('post.status'), errorOrMessages);
// simulate a validation error for upstream tasks
throw undefined;
}
return this.post;
}
}).group('saveTasks'),
/*
* triggered by a user manually changing slug
*/
updateSlug: task(function* (_newSlug) {
let slug = this.get('post.slug');
let newSlug, serverSlug;
newSlug = _newSlug || slug;
newSlug = newSlug && newSlug.trim();
// Ignore unchanged slugs or candidate slugs that are empty
if (!newSlug || slug === newSlug) {
// reset the input to its previous state
this.set('slugValue', slug);
return;
}
serverSlug = yield this.slugGenerator.generateSlug('post', newSlug);
// If after getting the sanitized and unique slug back from the API
// we end up with a slug that matches the existing slug, abort the change
if (serverSlug === slug) {
return;
}
// Because the server transforms the candidate slug by stripping
// certain characters and appending a number onto the end of slugs
// to enforce uniqueness, there are cases where we can get back a
// candidate slug that is a duplicate of the original except for
// the trailing incrementor (e.g., this-is-a-slug and this-is-a-slug-2)
// get the last token out of the slug candidate and see if it's a number
let slugTokens = serverSlug.split('-');
let check = Number(slugTokens.pop());
// if the candidate slug is the same as the existing slug except
// for the incrementor then the existing slug should be used
if (isNumber(check) && check > 0) {
if (slug === slugTokens.join('-') && serverSlug !== newSlug) {
this.set('slugValue', slug);
return;
}
}
this.set('post.slug', serverSlug);
// If this is a new post. Don't save the post. Defer the save
// to the user pressing the save button
if (this.get('post.isNew')) {
return;
}
return yield this._savePost.perform();
}).group('saveTasks'),
// used in the PSM so that saves are sequential and don't trigger collision
// detection errors
savePost: task(function* () {
try {
return yield this._savePost.perform();
} catch (error) {
if (error) {
let status = this.get('post.status');
this._showErrorAlert(status, status, error);
}
throw error;
}
}).group('saveTasks'),
// convenience method for saving the post and performing post-save cleanup
_savePost: task(function* (options) {
let {post} = this;
yield post.save(options);
// remove any unsaved tags
// NOTE: `updateTags` changes `hasDirtyAttributes => true`.
// For a saved post it would otherwise be false.
post.updateTags();
this._previousTagNames = this._tagNames;
// update the scratch property if it's `null` and we get a blank mobiledoc
// back from the API - prevents "unsaved changes" modal on new+blank posts
if (!post.scratch) {
post.set('scratch', JSON.parse(JSON.stringify(post.get('mobiledoc'))));
}
// if the two "scratch" properties (title and content) match the post,
// then it's ok to set hasDirtyAttributes to false
// TODO: why is this necessary?
let titlesMatch = post.get('titleScratch') === post.get('title');
let bodiesMatch = JSON.stringify(post.get('scratch')) === JSON.stringify(post.get('mobiledoc'));
if (titlesMatch && bodiesMatch) {
this.set('hasDirtyAttributes', false);
}
return post;
}),
saveTitle: task(function* () {
let post = this.post;
let currentTitle = post.get('title');
let newTitle = post.get('titleScratch').trim();
if (currentTitle && newTitle && newTitle === currentTitle) {
return;
}
// this is necessary to force a save when the title is blank
this.set('hasDirtyAttributes', true);
// generate a slug if a post is new and doesn't have a title yet or
// if the title is still '(Untitled)'
if ((post.get('isNew') && !currentTitle) || currentTitle === DEFAULT_TITLE) {
yield this.generateSlug.perform();
}
if (this.get('post.isDraft')) {
yield this.autosave.perform();
}
this.ui.updateDocumentTitle();
}),
generateSlug: task(function* () {
let title = this.get('post.titleScratch');
// Only set an "untitled" slug once per post
if (title === DEFAULT_TITLE && this.get('post.slug')) {
return;
}
try {
let slug = yield this.slugGenerator.generateSlug('post', title);
if (!isBlank(slug)) {
this.set('post.slug', slug);
}
} catch (error) {
// Nothing to do (would be nice to log this somewhere though),
// but a rejected promise needs to be handled here so that a resolved
// promise is returned.
if (isVersionMismatchError(error)) {
this.notifications.showAPIError(error);
}
}
}).enqueue(),
// load supplementel data such as the members count in the background
backgroundLoader: task(function* () {
try {
if (this.feature.members) {
let membersResponse = yield this.store.query('member', {limit: 1, filter: 'subscribed:true'});
this.set('memberCount', get(membersResponse, 'meta.pagination.total'));
}
} catch (error) {
this.set('memberCount', 0);
}
}).restartable(),
/* Public methods --------------------------------------------------------*/
// called by the new/edit routes to change the post model
setPost(post) {
// don't do anything else if we're setting the same post
if (post === this.post) {
// set autofocus as change signal to the persistent editor on new->edit
this.set('shouldFocusEditor', post.get('isNew'));
return;
}
// reset everything ready for a new post
this.reset();
this.set('post', post);
this.backgroundLoader.perform();
// autofocus the editor if we have a new post
this.set('shouldFocusEditor', post.get('isNew'));
// need to set scratch values because they won't be present on first
// edit of the post
// TODO: can these be `boundOneWay` on the model as per the other attrs?
post.set('titleScratch', post.get('title'));
post.set('scratch', post.get('mobiledoc'));
this._previousTagNames = this._tagNames;
// triggered any time the admin tab is closed, we need to use a native
// dialog here instead of our custom modal
window.onbeforeunload = () => {
if (this.hasDirtyAttributes) {
return '==============================\n\n'
+ 'Hey there! It looks like you\'re in the middle of writing'
+ ' something and you haven\'t saved all of your content.'
+ '\n\nSave before you go!\n\n'
+ '==============================';
}
};
},
// called by editor route's willTransition hook, fires for editor.new->edit,
// editor.edit->edit, or editor->any. Triggers `toggleLeaveEditorModal` action
// which will either finish autosave then retry transition or abort and show
// the "are you sure?" modal
willTransition(transition) {
let post = this.post;
// exit early and allow transition if we have no post, occurs if reset
// has already been called as in the `leaveEditor` action
if (!post) {
return;
}
// clean up blank cards when leaving the editor if we have a draft post
// - blank cards could be left around due to autosave triggering whilst
// a blank card is present then the user attempting to leave
// - will mark the post as dirty so it gets saved when transitioning
if (this._koenig && post.isDraft) {
this._koenig.cleanup();
}
let hasDirtyAttributes = this.hasDirtyAttributes;
let state = post.getProperties('isDeleted', 'isSaving', 'hasDirtyAttributes', 'isNew');
let fromNewToEdit = this.get('router.currentRouteName') === 'editor.new'
&& transition.targetName === 'editor.edit'
&& transition.intent.contexts
&& transition.intent.contexts[0]
&& transition.intent.contexts[0].id === post.get('id');
let deletedWithoutChanges = state.isDeleted
&& (state.isSaving || !state.hasDirtyAttributes);
// controller is dirty and we aren't in a new->edit or delete->index
// transition so show our "are you sure you want to leave?" modal
if (!fromNewToEdit && !deletedWithoutChanges && hasDirtyAttributes) {
transition.abort();
this.send('toggleLeaveEditorModal', transition);
return;
}
// the transition is now certain to complete so cleanup and reset if
// we're exiting the editor. new->edit keeps everything around and
// edit->edit will call reset in the setPost method if necessary
if (!fromNewToEdit && transition.targetName !== 'editor.edit') {
this.reset();
}
},
// called when the editor route is left or the post model is swapped
reset() {
let post = this.post;
// make sure the save tasks aren't still running in the background
// after leaving the edit route
this.send('cancelAutosave');
if (post) {
// clear post of any unsaved, client-generated tags
post.updateTags();
// remove new+unsaved records from the store and rollback any unsaved changes
if (post.get('isNew')) {
post.deleteRecord();
} else {
post.rollbackAttributes();
}
}
this._previousTagNames = [];
this.set('post', null);
this.set('hasDirtyAttributes', false);
this.set('shouldFocusEditor', false);
this.set('leaveEditorTransition', null);
this.set('showLeaveEditorModal', false);
this.set('infoMessage', null);
this.set('wordCount', null);
// remove the onbeforeunload handler as it's only relevant whilst on
// the editor route
window.onbeforeunload = null;
},
/* Private tasks ---------------------------------------------------------*/
// save 3 seconds after the last edit
_autosave: task(function* () {
if (!this._canAutosave) {
return;
}
// force an instant save on first body edit for new posts
if (this.get('post.isNew')) {
return this.autosave.perform();
}
yield timeout(AUTOSAVE_TIMEOUT);
this.autosave.perform();
}).restartable(),
// save at 60 seconds even if the user doesn't stop typing
_timedSave: task(function* () {
if (!this._canAutosave) {
return;
}
while (config.environment !== 'test' && true) {
yield timeout(TIMEDSAVE_TIMEOUT);
this.autosave.perform();
}
}).drop(),
/* Private methods -------------------------------------------------------*/
_hasDirtyAttributes() {
let post = this.post;
if (!post) {
return false;
}
// if the Adapter failed to save the post isError will be true
// and we should consider the post still dirty.
if (post.get('isError')) {
this._leaveModalReason = {reason: 'isError', context: post.errors.messages};
return true;
}
// post.tags is an array so hasDirtyAttributes doesn't pick up
// changes unless the array ref is changed
let currentTags = (this._tagNames || []).join(', ');
let previousTags = (this._previousTagNames || []).join(', ');
if (currentTags !== previousTags) {
this._leaveModalReason = {reason: 'tags are different', context: {currentTags, previousTags}};
return true;
}
// titleScratch isn't an attr so needs a manual dirty check
if (this.titleScratch !== this.title) {
this._leaveModalReason = {reason: 'title is different', context: {current: this.title, scratch: this.titleScratch}};
return true;
}
// scratch isn't an attr so needs a manual dirty check
let mobiledoc = post.get('mobiledoc');
let scratch = post.get('scratch');
// additional guard in case we are trying to compare null with undefined
if (scratch || mobiledoc) {
let mobiledocJSON = JSON.stringify(mobiledoc);
let scratchJSON = JSON.stringify(scratch);
if (scratchJSON !== mobiledocJSON) {
this._leaveModalReason = {reason: 'mobiledoc is different', context: {current: mobiledocJSON, scratch: scratchJSON}};
return true;
}
}
// new+unsaved posts always return `hasDirtyAttributes: true`
// so we need a manual check to see if any
if (post.get('isNew')) {
let changedAttributes = Object.keys(post.changedAttributes());
if (changedAttributes.length) {
this._leaveModalReason = {reason: 'post.changedAttributes.length > 0', context: post.changedAttributes()};
}
return changedAttributes.length ? true : false;
}
// we've covered all the non-tracked cases we care about so fall
// back on Ember Data's default dirty attribute checks
let {hasDirtyAttributes} = post;
if (hasDirtyAttributes) {
this._leaveModalReason = {reason: 'post.hasDirtyAttributes === true', context: post.changedAttributes()};
}
return hasDirtyAttributes;
},
_showSaveNotification(prevStatus, status, delay) {
let message = messageMap.success.post[prevStatus][status];
let notifications = this.notifications;
let type, path;
if (status === 'published') {
type = this.get('post.page') ? 'Page' : 'Post';
path = this.get('post.url');
} else {
type = 'Preview';
path = this.get('post.previewUrl');
}
message += `&nbsp;<a href="${path}" target="_blank">View ${type}</a>`;
notifications.showNotification(message.htmlSafe(), {delayed: delay});
},
_showErrorAlert(prevStatus, status, error, delay) {
let message = messageMap.errors.post[prevStatus][status];
let notifications = this.notifications;
let errorMessage;
function isString(str) {
return toString.call(str) === '[object String]';
}
if (error && isString(error)) {
errorMessage = error;
} else if (error && isEmberArray(error)) {
// This is here because validation errors are returned as an array
// TODO: remove this once validations are fixed
errorMessage = error[0];
} else if (error && error.payload && error.payload.errors && error.payload.errors[0].message) {
return this.notifications.showAPIError(error, {key: 'post.save'});
} else {
errorMessage = 'Unknown Error';
}
message += `: ${errorMessage}`;
message = htmlSafe(message);
notifications.showAlert(message, {type: 'error', delayed: delay, key: 'post.save'});
}
});