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1e2beface1
no issue - this has a big underlying problem - each task in the pipeline can modify the options - e.g. add a proper permission context - if we chain after the pipeline, we don't have access to the modified options object - and then we pass the wrong options into the `toJSON` function of a model - the toJSON function decides what to return based on options - this is the easiest solution for now, but i am going to write a spec if we can solve this problem differently
88 lines
2.7 KiB
JavaScript
88 lines
2.7 KiB
JavaScript
// # Slug API
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// RESTful API for the Slug resource
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var Promise = require('bluebird'),
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pipeline = require('../utils/pipeline'),
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apiUtils = require('./utils'),
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models = require('../models'),
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errors = require('../errors'),
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i18n = require('../i18n'),
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docName = 'slugs',
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slugs,
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allowedTypes;
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/**
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* ## Slugs API Methods
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*
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* **See:** [API Methods](index.js.html#api%20methods)
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*/
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slugs = {
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/**
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* ## Generate Slug
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* Create a unique slug for the given type and its name
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*
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* @param {{type (required), name (required), context, transacting}} options
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* @returns {Promise(String)} Unique string
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*/
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generate: function (options) {
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var opts = ['type'],
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attrs = ['name'],
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tasks;
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// `allowedTypes` is used to define allowed slug types and map them against its model class counterpart
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allowedTypes = {
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post: models.Post,
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tag: models.Tag,
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user: models.User,
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app: models.App
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};
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/**
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* ### Check allowed types
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* check if options.type contains an allowed type
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* @param {Object} options
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* @returns {Object} options
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*/
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function checkAllowedTypes(options) {
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if (allowedTypes[options.type] === undefined) {
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return Promise.reject(new errors.BadRequestError({message: i18n.t('errors.api.slugs.unknownSlugType', {type: options.type})}));
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}
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return options;
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}
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/**
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* ### Model Query
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* Make the call to the Model layer
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* @param {Object} options
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* @returns {Object} options
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*/
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function modelQuery(options) {
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return models.Base.Model.generateSlug(allowedTypes[options.type], options.data.name, {status: 'all'})
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.then(function onModelResponse(slug) {
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if (!slug) {
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return Promise.reject(new errors.GhostError({
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message: i18n.t('errors.api.slugs.couldNotGenerateSlug')
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}));
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}
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return {
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slugs: [{slug: slug}]
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};
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});
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}
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// Push all of our tasks into a `tasks` array in the correct order
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tasks = [
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apiUtils.validate(docName, {opts: opts, attrs: attrs}),
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apiUtils.handlePermissions(docName, 'generate'),
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checkAllowedTypes,
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modelQuery
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];
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// Pipeline calls each task passing the result of one to be the arguments for the next
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return pipeline(tasks, options);
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}
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};
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module.exports = slugs;
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