mirror of
https://github.com/TryGhost/Ghost.git
synced 2024-12-14 18:52:05 +03:00
602 lines
23 KiB
JavaScript
602 lines
23 KiB
JavaScript
// # Post Model
|
|
var _ = require('lodash'),
|
|
uuid = require('node-uuid'),
|
|
Promise = require('bluebird'),
|
|
sequence = require('../utils/sequence'),
|
|
errors = require('../errors'),
|
|
Showdown = require('showdown-ghost'),
|
|
converter = new Showdown.converter({extensions: ['ghostgfm', 'footnotes', 'highlight']}),
|
|
ghostBookshelf = require('./base'),
|
|
events = require('../events'),
|
|
config = require('../config'),
|
|
baseUtils = require('./base/utils'),
|
|
i18n = require('../i18n'),
|
|
Post,
|
|
Posts;
|
|
|
|
Post = ghostBookshelf.Model.extend({
|
|
|
|
tableName: 'posts',
|
|
|
|
emitChange: function emitChange(event, usePreviousResourceType) {
|
|
var resourceType = this.get('page') ? 'page' : 'post';
|
|
if (usePreviousResourceType) {
|
|
resourceType = this.updated('page') ? 'page' : 'post';
|
|
}
|
|
events.emit(resourceType + '.' + event, this);
|
|
},
|
|
|
|
defaults: function defaults() {
|
|
return {
|
|
uuid: uuid.v4(),
|
|
status: 'draft'
|
|
};
|
|
},
|
|
|
|
initialize: function initialize() {
|
|
var self = this;
|
|
|
|
ghostBookshelf.Model.prototype.initialize.apply(this, arguments);
|
|
|
|
this.on('saved', function onSaved(model, response, options) {
|
|
return self.updateTags(model, response, options);
|
|
});
|
|
|
|
this.on('created', function onCreated(model) {
|
|
model.emitChange('added');
|
|
|
|
if (model.get('status') === 'published') {
|
|
model.emitChange('published');
|
|
}
|
|
});
|
|
|
|
this.on('updated', function onUpdated(model) {
|
|
model.statusChanging = model.get('status') !== model.updated('status');
|
|
model.isPublished = model.get('status') === 'published';
|
|
model.wasPublished = model.updated('status') === 'published';
|
|
model.resourceTypeChanging = model.get('page') !== model.updated('page');
|
|
|
|
// Handle added and deleted for changing resource
|
|
if (model.resourceTypeChanging) {
|
|
if (model.wasPublished) {
|
|
model.emitChange('unpublished', true);
|
|
}
|
|
|
|
model.emitChange('deleted', true);
|
|
model.emitChange('added');
|
|
|
|
if (model.isPublished) {
|
|
model.emitChange('published');
|
|
}
|
|
} else {
|
|
if (model.statusChanging) {
|
|
model.emitChange(model.isPublished ? 'published' : 'unpublished');
|
|
} else {
|
|
if (model.isPublished) {
|
|
model.emitChange('published.edited');
|
|
}
|
|
}
|
|
|
|
// Fire edited if this wasn't a change between resourceType
|
|
model.emitChange('edited');
|
|
}
|
|
});
|
|
|
|
this.on('destroying', function onDestroying(model) {
|
|
if (model.previous('status') === 'published') {
|
|
model.emitChange('unpublished');
|
|
}
|
|
model.emitChange('deleted');
|
|
});
|
|
},
|
|
|
|
saving: function saving(model, attr, options) {
|
|
var self = this,
|
|
tagsToCheck,
|
|
title,
|
|
i;
|
|
|
|
options = options || {};
|
|
// keep tags for 'saved' event and deduplicate upper/lowercase tags
|
|
tagsToCheck = this.get('tags');
|
|
this.myTags = [];
|
|
|
|
_.each(tagsToCheck, function each(item) {
|
|
for (i = 0; i < self.myTags.length; i = i + 1) {
|
|
if (self.myTags[i].name.toLocaleLowerCase() === item.name.toLocaleLowerCase()) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
self.myTags.push(item);
|
|
});
|
|
|
|
ghostBookshelf.Model.prototype.saving.call(this, model, attr, options);
|
|
|
|
this.set('html', converter.makeHtml(this.get('markdown')));
|
|
|
|
// disabling sanitization until we can implement a better version
|
|
// this.set('title', this.sanitize('title').trim());
|
|
title = this.get('title') || i18n.t('errors.models.post.untitled');
|
|
this.set('title', title.trim());
|
|
|
|
// ### Business logic for published_at and published_by
|
|
// If the current status is 'published' and published_at is not set, set it to now
|
|
if (this.get('status') === 'published' && !this.get('published_at')) {
|
|
this.set('published_at', new Date());
|
|
}
|
|
|
|
// If the current status is 'published' and the status has just changed ensure published_by is set correctly
|
|
if (this.get('status') === 'published' && this.hasChanged('status')) {
|
|
// unless published_by is set and we're importing, set published_by to contextUser
|
|
if (!(this.get('published_by') && options.importing)) {
|
|
this.set('published_by', this.contextUser(options));
|
|
}
|
|
} else {
|
|
// In any other case (except import), `published_by` should not be changed
|
|
if (this.hasChanged('published_by') && !options.importing) {
|
|
this.set('published_by', this.previous('published_by'));
|
|
}
|
|
}
|
|
|
|
if (this.hasChanged('slug') || !this.get('slug')) {
|
|
// Pass the new slug through the generator to strip illegal characters, detect duplicates
|
|
return ghostBookshelf.Model.generateSlug(Post, this.get('slug') || this.get('title'),
|
|
{status: 'all', transacting: options.transacting, importing: options.importing})
|
|
.then(function then(slug) {
|
|
self.set({slug: slug});
|
|
});
|
|
}
|
|
},
|
|
|
|
creating: function creating(model, attr, options) {
|
|
options = options || {};
|
|
|
|
// set any dynamic default properties
|
|
if (!this.get('author_id')) {
|
|
this.set('author_id', this.contextUser(options));
|
|
}
|
|
|
|
ghostBookshelf.Model.prototype.creating.call(this, model, attr, options);
|
|
},
|
|
|
|
/**
|
|
* ### updateTags
|
|
* Update tags that are attached to a post. Create any tags that don't already exist.
|
|
* @param {Object} savedModel
|
|
* @param {Object} response
|
|
* @param {Object} options
|
|
* @return {Promise(ghostBookshelf.Models.Post)} Updated Post model
|
|
*/
|
|
updateTags: function updateTags(savedModel, response, options) {
|
|
var newTags = this.myTags,
|
|
TagModel = ghostBookshelf.model('Tag');
|
|
|
|
options = options || {};
|
|
|
|
function doTagUpdates(options) {
|
|
return Promise.props({
|
|
currentPost: baseUtils.tagUpdate.fetchCurrentPost(Post, savedModel.id, options),
|
|
existingTags: baseUtils.tagUpdate.fetchMatchingTags(TagModel, newTags, options)
|
|
}).then(function fetchedData(results) {
|
|
var currentTags = results.currentPost.related('tags').toJSON(options),
|
|
existingTags = results.existingTags ? results.existingTags.toJSON(options) : [],
|
|
tagOps = [],
|
|
tagsToRemove,
|
|
tagsToCreate;
|
|
|
|
if (baseUtils.tagUpdate.tagSetsAreEqual(newTags, currentTags)) {
|
|
return;
|
|
}
|
|
|
|
// Tags from the current tag array which don't exist in the new tag array should be removed
|
|
tagsToRemove = _.reject(currentTags, function (currentTag) {
|
|
if (newTags.length === 0) {
|
|
return false;
|
|
}
|
|
return _.any(newTags, function (newTag) {
|
|
return baseUtils.tagUpdate.tagsAreEqual(currentTag, newTag);
|
|
});
|
|
});
|
|
|
|
// Tags from the new tag array which don't exist in the DB should be created
|
|
tagsToCreate = _.pluck(_.reject(newTags, function (newTag) {
|
|
return _.any(existingTags, function (existingTag) {
|
|
return baseUtils.tagUpdate.tagsAreEqual(existingTag, newTag);
|
|
});
|
|
}), 'name');
|
|
|
|
// Remove any tags which don't exist anymore
|
|
_.each(tagsToRemove, function (tag) {
|
|
tagOps.push(baseUtils.tagUpdate.detachTagFromPost(savedModel, tag, options));
|
|
});
|
|
|
|
// Loop through the new tags and either add them, attach them, or update them
|
|
_.each(newTags, function (newTag, index) {
|
|
var tag;
|
|
|
|
if (tagsToCreate.indexOf(newTag.name) > -1) {
|
|
tagOps.push(baseUtils.tagUpdate.createTagThenAttachTagToPost(TagModel, savedModel, newTag, index, options));
|
|
} else {
|
|
// try to find a tag on the current post which matches
|
|
tag = _.find(currentTags, function (currentTag) {
|
|
return baseUtils.tagUpdate.tagsAreEqual(currentTag, newTag);
|
|
});
|
|
|
|
if (tag) {
|
|
tagOps.push(baseUtils.tagUpdate.updateTagOrderForPost(savedModel, tag, index, options));
|
|
return;
|
|
}
|
|
|
|
// else finally, find the existing tag which matches
|
|
tag = _.find(existingTags, function (existingTag) {
|
|
return baseUtils.tagUpdate.tagsAreEqual(existingTag, newTag);
|
|
});
|
|
|
|
if (tag) {
|
|
tagOps.push(baseUtils.tagUpdate.attachTagToPost(savedModel, tag, index, options));
|
|
}
|
|
}
|
|
});
|
|
|
|
return sequence(tagOps);
|
|
});
|
|
}
|
|
|
|
// Handle updating tags in a transaction, unless we're already in one
|
|
if (options.transacting) {
|
|
return doTagUpdates(options);
|
|
} else {
|
|
return ghostBookshelf.transaction(function (t) {
|
|
options.transacting = t;
|
|
|
|
return doTagUpdates(options);
|
|
}).then(function () {
|
|
// Don't do anything, the transaction processed ok
|
|
}).catch(function failure(error) {
|
|
errors.logError(
|
|
error,
|
|
i18n.t('errors.models.post.tagUpdates.error'),
|
|
i18n.t('errors.models.post.tagUpdates.help')
|
|
);
|
|
return Promise.reject(new errors.InternalServerError(
|
|
i18n.t('errors.models.post.tagUpdates.error') + ' ' + i18n.t('errors.models.post.tagUpdates.help') + error
|
|
));
|
|
});
|
|
}
|
|
},
|
|
|
|
// Relations
|
|
author: function author() {
|
|
return this.belongsTo('User', 'author_id');
|
|
},
|
|
|
|
created_by: function createdBy() {
|
|
return this.belongsTo('User', 'created_by');
|
|
},
|
|
|
|
updated_by: function updatedBy() {
|
|
return this.belongsTo('User', 'updated_by');
|
|
},
|
|
|
|
published_by: function publishedBy() {
|
|
return this.belongsTo('User', 'published_by');
|
|
},
|
|
|
|
tags: function tags() {
|
|
return this.belongsToMany('Tag').withPivot('sort_order').query('orderBy', 'sort_order', 'ASC');
|
|
},
|
|
|
|
fields: function fields() {
|
|
return this.morphMany('AppField', 'relatable');
|
|
},
|
|
|
|
toJSON: function toJSON(options) {
|
|
options = options || {};
|
|
|
|
var attrs = ghostBookshelf.Model.prototype.toJSON.call(this, options);
|
|
|
|
if (!options.columns || (options.columns && options.columns.indexOf('author') > -1)) {
|
|
attrs.author = attrs.author || attrs.author_id;
|
|
delete attrs.author_id;
|
|
}
|
|
|
|
if (!options.columns || (options.columns && options.columns.indexOf('url') > -1)) {
|
|
attrs.url = config.urlPathForPost(attrs);
|
|
}
|
|
|
|
return attrs;
|
|
},
|
|
enforcedFilters: function enforcedFilters() {
|
|
return this.isPublicContext() ? 'status:published' : null;
|
|
},
|
|
defaultFilters: function defaultFilters() {
|
|
return this.isPublicContext() ? 'page:false' : 'page:false+status:published';
|
|
}
|
|
}, {
|
|
orderDefaultOptions: function orderDefaultOptions() {
|
|
return {
|
|
status: 'ASC',
|
|
published_at: 'DESC',
|
|
updated_at: 'DESC',
|
|
id: 'DESC'
|
|
};
|
|
},
|
|
|
|
/**
|
|
* @deprecated in favour of filter
|
|
*/
|
|
processOptions: function processOptions(options) {
|
|
if (!options.staticPages && !options.status) {
|
|
return options;
|
|
}
|
|
|
|
// This is the only place that 'options.where' is set now
|
|
options.where = {statements: []};
|
|
|
|
// Step 4: Setup filters (where clauses)
|
|
if (options.staticPages && options.staticPages !== 'all') {
|
|
// convert string true/false to boolean
|
|
if (!_.isBoolean(options.staticPages)) {
|
|
options.staticPages = _.contains(['true', '1'], options.staticPages);
|
|
}
|
|
options.where.statements.push({prop: 'page', op: '=', value: options.staticPages});
|
|
delete options.staticPages;
|
|
} else if (options.staticPages === 'all') {
|
|
options.where.statements.push({prop: 'page', op: 'IN', value: [true, false]});
|
|
delete options.staticPages;
|
|
}
|
|
|
|
// Unless `all` is passed as an option, filter on
|
|
// the status provided.
|
|
if (options.status && options.status !== 'all') {
|
|
// make sure that status is valid
|
|
options.status = _.contains(['published', 'draft'], options.status) ? options.status : 'published';
|
|
options.where.statements.push({prop: 'status', op: '=', value: options.status});
|
|
delete options.status;
|
|
} else if (options.status === 'all') {
|
|
options.where.statements.push({prop: 'status', op: 'IN', value: ['published', 'draft']});
|
|
delete options.status;
|
|
}
|
|
|
|
return options;
|
|
},
|
|
|
|
/**
|
|
* Returns an array of keys permitted in a method's `options` hash, depending on the current method.
|
|
* @param {String} methodName The name of the method to check valid options for.
|
|
* @return {Array} Keys allowed in the `options` hash of the model's method.
|
|
*/
|
|
permittedOptions: function permittedOptions(methodName) {
|
|
var options = ghostBookshelf.Model.permittedOptions(),
|
|
|
|
// whitelists for the `options` hash argument on methods, by method name.
|
|
// these are the only options that can be passed to Bookshelf / Knex.
|
|
validOptions = {
|
|
findOne: ['importing', 'withRelated'],
|
|
findPage: ['page', 'limit', 'columns', 'filter', 'order', 'status', 'staticPages'],
|
|
add: ['importing']
|
|
};
|
|
|
|
if (validOptions[methodName]) {
|
|
options = options.concat(validOptions[methodName]);
|
|
}
|
|
|
|
return options;
|
|
},
|
|
|
|
/**
|
|
* Filters potentially unsafe model attributes, so you can pass them to Bookshelf / Knex.
|
|
* @param {Object} data Has keys representing the model's attributes/fields in the database.
|
|
* @return {Object} The filtered results of the passed in data, containing only what's allowed in the schema.
|
|
*/
|
|
filterData: function filterData(data) {
|
|
var permittedAttributes = this.prototype.permittedAttributes(),
|
|
filteredData;
|
|
|
|
// manually add 'tags' attribute since it's not in the schema
|
|
permittedAttributes.push('tags');
|
|
|
|
filteredData = _.pick(data, permittedAttributes);
|
|
|
|
return filteredData;
|
|
},
|
|
|
|
// ## Model Data Functions
|
|
|
|
/**
|
|
* ### Find One
|
|
* @extends ghostBookshelf.Model.findOne to handle post status
|
|
* **See:** [ghostBookshelf.Model.findOne](base.js.html#Find%20One)
|
|
*/
|
|
findOne: function findOne(data, options) {
|
|
options = options || {};
|
|
|
|
var withNext = _.contains(options.include, 'next'),
|
|
withPrev = _.contains(options.include, 'previous'),
|
|
nextRelations = _.transform(options.include, function (relations, include) {
|
|
if (include === 'next.tags') {
|
|
relations.push('tags');
|
|
} else if (include === 'next.author') {
|
|
relations.push('author');
|
|
}
|
|
}, []),
|
|
prevRelations = _.transform(options.include, function (relations, include) {
|
|
if (include === 'previous.tags') {
|
|
relations.push('tags');
|
|
} else if (include === 'previous.author') {
|
|
relations.push('author');
|
|
}
|
|
}, []);
|
|
|
|
data = _.defaults(data || {}, {
|
|
status: 'published'
|
|
});
|
|
|
|
if (data.status === 'all') {
|
|
delete data.status;
|
|
}
|
|
|
|
// Add related objects, excluding next and previous as they are not real db objects
|
|
options.withRelated = _.union(options.withRelated, _.pull(
|
|
[].concat(options.include),
|
|
'next', 'next.author', 'next.tags', 'previous', 'previous.author', 'previous.tags')
|
|
);
|
|
|
|
return ghostBookshelf.Model.findOne.call(this, data, options).then(function then(post) {
|
|
if ((withNext || withPrev) && post && !post.page) {
|
|
var publishedAt = post.get('published_at'),
|
|
prev,
|
|
next;
|
|
|
|
if (withNext) {
|
|
next = Post.forge().query(function queryBuilder(qb) {
|
|
qb.where('status', '=', 'published')
|
|
.andWhere('page', '=', 0)
|
|
.andWhere('published_at', '>', publishedAt)
|
|
.orderBy('published_at', 'asc')
|
|
.limit(1);
|
|
}).fetch({withRelated: nextRelations});
|
|
}
|
|
|
|
if (withPrev) {
|
|
prev = Post.forge().query(function queryBuilder(qb) {
|
|
qb.where('status', '=', 'published')
|
|
.andWhere('page', '=', 0)
|
|
.andWhere('published_at', '<', publishedAt)
|
|
.orderBy('published_at', 'desc')
|
|
.limit(1);
|
|
}).fetch({withRelated: prevRelations});
|
|
}
|
|
|
|
return Promise.join(next, prev)
|
|
.then(function then(nextAndPrev) {
|
|
if (nextAndPrev[0]) {
|
|
post.relations.next = nextAndPrev[0];
|
|
}
|
|
if (nextAndPrev[1]) {
|
|
post.relations.previous = nextAndPrev[1];
|
|
}
|
|
return post;
|
|
});
|
|
}
|
|
|
|
return post;
|
|
});
|
|
},
|
|
|
|
/**
|
|
* ### Edit
|
|
* @extends ghostBookshelf.Model.edit to handle returning the full object and manage _updatedAttributes
|
|
* **See:** [ghostBookshelf.Model.edit](base.js.html#edit)
|
|
*/
|
|
edit: function edit(data, options) {
|
|
var self = this;
|
|
options = options || {};
|
|
|
|
return ghostBookshelf.Model.edit.call(this, data, options).then(function then(post) {
|
|
return self.findOne({status: 'all', id: options.id}, options)
|
|
.then(function then(found) {
|
|
if (found) {
|
|
// Pass along the updated attributes for checking status changes
|
|
found._updatedAttributes = post._updatedAttributes;
|
|
return found;
|
|
}
|
|
});
|
|
});
|
|
},
|
|
|
|
/**
|
|
* ### Add
|
|
* @extends ghostBookshelf.Model.add to handle returning the full object
|
|
* **See:** [ghostBookshelf.Model.add](base.js.html#add)
|
|
*/
|
|
add: function add(data, options) {
|
|
var self = this;
|
|
options = options || {};
|
|
|
|
return ghostBookshelf.Model.add.call(this, data, options).then(function then(post) {
|
|
return self.findOne({status: 'all', id: post.id}, options);
|
|
});
|
|
},
|
|
|
|
/**
|
|
* ### Destroy
|
|
* @extends ghostBookshelf.Model.destroy to clean up tag relations
|
|
* **See:** [ghostBookshelf.Model.destroy](base.js.html#destroy)
|
|
*/
|
|
destroy: function destroy(options) {
|
|
var id = options.id;
|
|
options = this.filterOptions(options, 'destroy');
|
|
|
|
return this.forge({id: id}).fetch({withRelated: ['tags']}).then(function destroyTags(post) {
|
|
return post.related('tags').detach().then(function destroyPosts() {
|
|
return post.destroy(options);
|
|
});
|
|
});
|
|
},
|
|
|
|
/**
|
|
* ### destroyByAuthor
|
|
* @param {[type]} options has context and id. Context is the user doing the destroy, id is the user to destroy
|
|
*/
|
|
destroyByAuthor: function destroyByAuthor(options) {
|
|
var postCollection = Posts.forge(),
|
|
authorId = options.id;
|
|
|
|
options = this.filterOptions(options, 'destroyByAuthor');
|
|
if (authorId) {
|
|
return postCollection.query('where', 'author_id', '=', authorId).fetch(options).then(function destroyTags(results) {
|
|
return Promise.map(results.models, function mapper(post) {
|
|
return post.related('tags').detach(null, options).then(function destroyPosts() {
|
|
return post.destroy(options);
|
|
});
|
|
});
|
|
}, function (error) {
|
|
return Promise.reject(new errors.InternalServerError(error.message || error));
|
|
});
|
|
}
|
|
return Promise.reject(new errors.NotFoundError(i18n.t('errors.models.post.noUserFound')));
|
|
},
|
|
|
|
permissible: function permissible(postModelOrId, action, context, loadedPermissions, hasUserPermission, hasAppPermission) {
|
|
var self = this,
|
|
postModel = postModelOrId,
|
|
origArgs;
|
|
|
|
// If we passed in an id instead of a model, get the model
|
|
// then check the permissions
|
|
if (_.isNumber(postModelOrId) || _.isString(postModelOrId)) {
|
|
// Grab the original args without the first one
|
|
origArgs = _.toArray(arguments).slice(1);
|
|
// Get the actual post model
|
|
return this.findOne({id: postModelOrId, status: 'all'}).then(function then(foundPostModel) {
|
|
// Build up the original args but substitute with actual model
|
|
var newArgs = [foundPostModel].concat(origArgs);
|
|
|
|
return self.permissible.apply(self, newArgs);
|
|
}, errors.logAndThrowError);
|
|
}
|
|
|
|
if (postModel) {
|
|
// If this is the author of the post, allow it.
|
|
hasUserPermission = hasUserPermission || context.user === postModel.get('author_id');
|
|
}
|
|
|
|
if (hasUserPermission && hasAppPermission) {
|
|
return Promise.resolve();
|
|
}
|
|
|
|
return Promise.reject(new errors.NoPermissionError(i18n.t('errors.models.post.notEnoughPermission')));
|
|
}
|
|
});
|
|
|
|
Posts = ghostBookshelf.Collection.extend({
|
|
model: Post
|
|
});
|
|
|
|
module.exports = {
|
|
Post: ghostBookshelf.model('Post', Post),
|
|
Posts: ghostBookshelf.collection('Posts', Posts)
|
|
};
|