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669f7f8b0c
Closes #2798 -fetch full model for active post in Backbone content preview view -remove unnecessary type check in Models.Post.saving -add functional tests for all post settings menu actions in editor screen -add functional tests for all post actions in content preview screen for posts with and without tags
544 lines
18 KiB
JavaScript
544 lines
18 KiB
JavaScript
// # Post Model
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var _ = require('lodash'),
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uuid = require('node-uuid'),
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when = require('when'),
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errors = require('../errors'),
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Showdown = require('showdown'),
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ghostgfm = require('../../shared/lib/showdown/extensions/ghostgfm'),
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converter = new Showdown.converter({extensions: [ghostgfm]}),
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AppField = require('./appField').AppField,
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User = require('./user').User,
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Tag = require('./tag').Tag,
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Tags = require('./tag').Tags,
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ghostBookshelf = require('./base'),
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xmlrpc = require('../xmlrpc'),
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Post,
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Posts;
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Post = ghostBookshelf.Model.extend({
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tableName: 'posts',
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defaults: function () {
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return {
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uuid: uuid.v4(),
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status: 'draft'
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};
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},
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initialize: function () {
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var self = this;
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ghostBookshelf.Model.prototype.initialize.apply(this, arguments);
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this.on('saved', function (model, attributes, options) {
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if (model.get('status') === 'published') {
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xmlrpc.ping(model.attributes);
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}
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return self.updateTags(model, attributes, options);
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});
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},
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saving: function (newPage, attr, options) {
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/*jshint unused:false*/
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var self = this,
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tagsToCheck,
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i,
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user = options.context && options.context.user ? options.context.user : 1;
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options = options || {};
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// keep tags for 'saved' event and deduplicate upper/lowercase tags
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tagsToCheck = this.get('tags');
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this.myTags = [];
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_.each(tagsToCheck, function (item) {
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for (i = 0; i < self.myTags.length; i = i + 1) {
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if (self.myTags[i].name.toLocaleLowerCase() === item.name.toLocaleLowerCase()) {
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return;
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}
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}
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self.myTags.push(item);
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});
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ghostBookshelf.Model.prototype.saving.call(this, newPage, attr, options);
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this.set('html', converter.makeHtml(this.get('markdown')));
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// disabling sanitization until we can implement a better version
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//this.set('title', this.sanitize('title').trim());
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this.set('title', this.get('title').trim());
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if ((this.hasChanged('status') || !this.get('published_at')) && this.get('status') === 'published') {
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if (!this.get('published_at')) {
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this.set('published_at', new Date());
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}
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// This will need to go elsewhere in the API layer.
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this.set('published_by', user);
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}
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if (this.hasChanged('slug') || !this.get('slug')) {
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// Pass the new slug through the generator to strip illegal characters, detect duplicates
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return ghostBookshelf.Model.generateSlug(Post, this.get('slug') || this.get('title'),
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{status: 'all', transacting: options.transacting})
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.then(function (slug) {
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self.set({slug: slug});
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});
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}
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},
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creating: function (newPage, attr, options) {
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/*jshint unused:false*/
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options = options || {};
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var user = options.context && options.context.user ? options.context.user : 1;
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// set any dynamic default properties
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if (!this.get('author_id')) {
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this.set('author_id', user);
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}
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ghostBookshelf.Model.prototype.creating.call(this, newPage, attr, options);
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},
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/**
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* ### updateTags
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* Update tags that are attached to a post. Create any tags that don't already exist.
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* @param {Object} newPost
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* @param {Object} attr
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* @param {Object} options
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* @return {Promise(ghostBookshelf.Models.Post)} Updated Post model
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*/
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updateTags: function (newPost, attr, options) {
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var self = this;
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options = options || {};
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if (!this.myTags) {
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return;
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}
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return Post.forge({id: newPost.id}).fetch({withRelated: ['tags'], transacting: options.transacting}).then(function (post) {
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var tagOps = [];
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// remove all existing tags from the post
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// _.omit(options, 'query') is a fix for using bookshelf 0.6.8
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// (https://github.com/tgriesser/bookshelf/issues/294)
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tagOps.push(post.tags().detach(null, _.omit(options, 'query')));
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if (_.isEmpty(self.myTags)) {
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return when.all(tagOps);
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}
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return Tags.forge().query('whereIn', 'name', _.pluck(self.myTags, 'name')).fetch(options).then(function (existingTags) {
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var doNotExist = [],
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createAndAttachOperation;
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existingTags = existingTags.toJSON();
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doNotExist = _.reject(self.myTags, function (tag) {
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return _.any(existingTags, function (existingTag) {
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return existingTag.name === tag.name;
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});
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});
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// Create tags that don't exist and attach to post
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_.each(doNotExist, function (tag) {
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createAndAttachOperation = Tag.add({name: tag.name}, options).then(function (createdTag) {
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createdTag = createdTag.toJSON();
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// _.omit(options, 'query') is a fix for using bookshelf 0.6.8
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// (https://github.com/tgriesser/bookshelf/issues/294)
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return post.tags().attach(createdTag.id, createdTag.name, _.omit(options, 'query'));
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});
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tagOps.push(createAndAttachOperation);
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});
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// attach the tags that already existed
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_.each(existingTags, function (tag) {
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// _.omit(options, 'query') is a fix for using bookshelf 0.6.8
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// (https://github.com/tgriesser/bookshelf/issues/294)
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tagOps.push(post.tags().attach(tag.id, _.omit(options, 'query')));
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});
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return when.all(tagOps);
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});
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});
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},
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// Relations
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author_id: function () {
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return this.belongsTo(User, 'author_id');
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},
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created_by: function () {
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return this.belongsTo(User, 'created_by');
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},
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updated_by: function () {
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return this.belongsTo(User, 'updated_by');
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},
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published_by: function () {
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return this.belongsTo(User, 'published_by');
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},
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tags: function () {
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return this.belongsToMany(Tag);
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},
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fields: function () {
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return this.morphMany(AppField, 'relatable');
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},
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toJSON: function (options) {
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var attrs = ghostBookshelf.Model.prototype.toJSON.call(this, options);
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attrs.author = attrs.author || attrs.author_id;
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delete attrs.author_id;
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return attrs;
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}
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}, {
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/**
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* Returns an array of keys permitted in a method's `options` hash, depending on the current method.
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* @param {String} methodName The name of the method to check valid options for.
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* @return {Array} Keys allowed in the `options` hash of the model's method.
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*/
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permittedOptions: function (methodName) {
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var options = ghostBookshelf.Model.permittedOptions(),
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// whitelists for the `options` hash argument on methods, by method name.
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// these are the only options that can be passed to Bookshelf / Knex.
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validOptions = {
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findAll: ['withRelated'],
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findOne: ['user', 'importing', 'withRelated'],
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findPage: ['page', 'limit', 'status', 'staticPages'],
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add: ['user', 'importing'],
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edit: ['user']
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};
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if (validOptions[methodName]) {
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options = options.concat(validOptions[methodName]);
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}
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return options;
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},
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/**
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* Filters potentially unsafe model attributes, so you can pass them to Bookshelf / Knex.
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* @param {Object} data Has keys representing the model's attributes/fields in the database.
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* @return {Object} The filtered results of the passed in data, containing only what's allowed in the schema.
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*/
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filterData: function (data) {
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var permittedAttributes = this.prototype.permittedAttributes(),
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filteredData;
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// manually add 'tags' attribute since it's not in the schema
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permittedAttributes.push('tags');
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filteredData = _.pick(data, permittedAttributes);
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return filteredData;
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},
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// ## Model Data Functions
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/**
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* ### Find All
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*
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* @param options
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* @returns {*}
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*/
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findAll: function (options) {
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options = options || {};
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options.withRelated = _.union([ 'tags', 'fields' ], options.include);
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return ghostBookshelf.Model.findAll.call(this, options);
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},
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/**
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* #### findPage
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* Find results by page - returns an object containing the
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* information about the request (page, limit), along with the
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* info needed for pagination (pages, total).
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*
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* **response:**
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*
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* {
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* posts: [
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* {...}, {...}, {...}
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* ],
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* page: __,
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* limit: __,
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* pages: __,
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* total: __
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* }
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*
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* @params {Object} options
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*/
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findPage: function (options) {
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options = options || {};
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var postCollection = Posts.forge(),
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tagInstance = options.tag !== undefined ? Tag.forge({slug: options.tag}) : false;
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options = this.filterOptions(options, 'findPage');
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// Set default settings for options
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options = _.extend({
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page: 1, // pagination page
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limit: 15,
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staticPages: false, // include static pages
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status: 'published',
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where: {}
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}, options);
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if (options.staticPages !== 'all') {
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// convert string true/false to boolean
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if (!_.isBoolean(options.staticPages)) {
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options.staticPages = options.staticPages === 'true' || options.staticPages === '1' ? true : false;
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}
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options.where.page = options.staticPages;
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}
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// Unless `all` is passed as an option, filter on
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// the status provided.
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if (options.status !== 'all') {
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// make sure that status is valid
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options.status = _.indexOf(['published', 'draft'], options.status) !== -1 ? options.status : 'published';
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options.where.status = options.status;
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}
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// If there are where conditionals specified, add those
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// to the query.
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if (options.where) {
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postCollection.query('where', options.where);
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}
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// Add related objects
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options.withRelated = _.union([ 'tags', 'fields' ], options.include);
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// If a query param for a tag is attached
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// we need to fetch the tag model to find its id
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function fetchTagQuery() {
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if (tagInstance) {
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return tagInstance.fetch();
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}
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return false;
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}
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return when(fetchTagQuery())
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// Set the limit & offset for the query, fetching
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// with the opts (to specify any eager relations, etc.)
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// Omitting the `page`, `limit`, `where` just to be sure
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// aren't used for other purposes.
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.then(function () {
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// If we have a tag instance we need to modify our query.
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// We need to ensure we only select posts that contain
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// the tag given in the query param.
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if (tagInstance) {
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postCollection
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.query('join', 'posts_tags', 'posts_tags.post_id', '=', 'posts.id')
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.query('where', 'posts_tags.tag_id', '=', tagInstance.id);
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}
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return postCollection
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.query('limit', options.limit)
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.query('offset', options.limit * (options.page - 1))
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.query('orderBy', 'status', 'ASC')
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.query('orderBy', 'published_at', 'DESC')
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.query('orderBy', 'updated_at', 'DESC')
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.fetch(_.omit(options, 'page', 'limit'));
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})
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// Fetch pagination information
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.then(function () {
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var qb,
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tableName = _.result(postCollection, 'tableName'),
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idAttribute = _.result(postCollection, 'idAttribute');
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// After we're done, we need to figure out what
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// the limits are for the pagination values.
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qb = ghostBookshelf.knex(tableName);
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if (options.where) {
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qb.where(options.where);
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}
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if (tagInstance) {
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qb.join('posts_tags', 'posts_tags.post_id', '=', 'posts.id');
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qb.where('posts_tags.tag_id', '=', tagInstance.id);
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}
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return qb.count(tableName + '.' + idAttribute + ' as aggregate');
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})
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// Format response of data
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.then(function (resp) {
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var totalPosts = parseInt(resp[0].aggregate, 10),
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calcPages = Math.ceil(totalPosts / options.limit),
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pagination = {},
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meta = {},
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data = {};
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pagination.page = parseInt(options.page, 10);
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pagination.limit = options.limit;
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pagination.pages = calcPages === 0 ? 1 : calcPages;
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pagination.total = totalPosts;
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pagination.next = null;
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pagination.prev = null;
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// Pass include to each model so that toJSON works correctly
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if (options.include) {
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_.each(postCollection.models, function (item) {
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item.include = options.include;
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});
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}
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data.posts = postCollection.toJSON();
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data.meta = meta;
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meta.pagination = pagination;
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if (pagination.pages > 1) {
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if (pagination.page === 1) {
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pagination.next = pagination.page + 1;
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} else if (pagination.page === pagination.pages) {
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pagination.prev = pagination.page - 1;
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} else {
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pagination.next = pagination.page + 1;
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pagination.prev = pagination.page - 1;
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}
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}
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if (tagInstance) {
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meta.filters = {};
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if (!tagInstance.isNew()) {
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meta.filters.tags = [tagInstance.toJSON()];
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}
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}
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return data;
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})
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.catch(errors.logAndThrowError);
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},
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/**
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* ### Find One
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* @extends ghostBookshelf.Model.findOne to handle post status
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* **See:** [ghostBookshelf.Model.findOne](base.js.html#Find%20One)
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*/
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findOne: function (data, options) {
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options = options || {};
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data = _.extend({
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status: 'published'
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}, data || {});
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if (data.status === 'all') {
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delete data.status;
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}
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// Add related objects
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options.withRelated = _.union([ 'tags', 'fields' ], options.include);
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return ghostBookshelf.Model.findOne.call(this, data, options);
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},
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/**
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* ### Edit
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* @extends ghostBookshelf.Model.edit to handle returning the full object and manage _updatedAttributes
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* **See:** [ghostBookshelf.Model.edit](base.js.html#edit)
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*/
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edit: function (data, options) {
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var self = this;
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options = options || {};
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return ghostBookshelf.Model.edit.call(this, data, options).then(function (post) {
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return self.findOne({status: 'all', id: options.id}, options)
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.then(function (found) {
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if (found) {
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// Pass along the updated attributes for checking status changes
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found._updatedAttributes = post._updatedAttributes;
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return found;
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}
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});
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});
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},
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/**
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* ### Add
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* @extends ghostBookshelf.Model.add to handle returning the full object
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* **See:** [ghostBookshelf.Model.add](base.js.html#add)
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*/
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add: function (data, options) {
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var self = this;
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options = options || {};
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return ghostBookshelf.Model.add.call(this, data, options).then(function (post) {
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return self.findOne({status: 'all', id: post.id}, options);
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});
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},
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/**
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* ### Destroy
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* @extends ghostBookshelf.Model.destroy to clean up tag relations
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* **See:** [ghostBookshelf.Model.destroy](base.js.html#destroy)
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*/
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destroy: function (options) {
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var id = options.id;
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options = this.filterOptions(options, 'destroy');
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return this.forge({id: id}).fetch({withRelated: ['tags']}).then(function destroyTagsAndPost(post) {
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return post.related('tags').detach().then(function () {
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return post.destroy(options);
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});
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});
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},
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permissable: function (postModelOrId, context, loadedPermissions, hasUserPermission, hasAppPermission) {
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var self = this,
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postModel = postModelOrId,
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origArgs;
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// If we passed in an id instead of a model, get the model
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// then check the permissions
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if (_.isNumber(postModelOrId) || _.isString(postModelOrId)) {
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// Grab the original args without the first one
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origArgs = _.toArray(arguments).slice(1);
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// Get the actual post model
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return this.findOne({id: postModelOrId, status: 'all'}).then(function (foundPostModel) {
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// Build up the original args but substitute with actual model
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var newArgs = [foundPostModel].concat(origArgs);
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return self.permissable.apply(self, newArgs);
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}, errors.logAndThrowError);
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}
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if (postModel) {
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// If this is the author of the post, allow it.
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hasUserPermission = hasUserPermission || context.user === postModel.get('author_id');
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}
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if (hasUserPermission && hasAppPermission) {
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return when.resolve();
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}
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return when.reject();
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}
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});
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Posts = ghostBookshelf.Collection.extend({
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model: Post
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});
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module.exports = {
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Post: Post,
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Posts: Posts
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};
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