111 lines
3.3 KiB
JavaScript
111 lines
3.3 KiB
JavaScript
const { createClient } = require('contentful')
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let cdaClient = null
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let cpaClient = null
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// Initialize our client
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exports.initClient = (options) => {
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// Getting the version the app version
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const { version } = require('../package.json')
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const config = options || {
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space: process.env.CF_SPACE,
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cda: process.env.CF_ACCESS_TOKEN,
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cpa: process.env.CF_PREVIEW_ACCESS_TOKEN
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}
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cdaClient = createClient({
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application: `contentful.the-example-app.node/${version}`,
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space: config.space,
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accessToken: config.cda
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})
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cpaClient = createClient({
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application: `contentful.the-example-app.node/${version}`,
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space: config.space,
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accessToken: config.cpa,
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host: 'preview.contentful.com'
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})
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}
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exports.getSpace = assert((api = `cda`) => {
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const client = api === 'cda' ? cdaClient : cpaClient
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return client.getSpace()
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}, 'Space')
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// to get all the courses we request all the entries
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// with the content_type `course` from Contentful
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exports.getCourses = assert((locale = 'en-US', api = `cda`) => {
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const client = api === 'cda' ? cdaClient : cpaClient
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return client.getEntries({
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content_type: 'course',
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locale,
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order: 'sys.createdAt',
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include: 10
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})
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.then((response) => response.items)
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}, 'Course')
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// Landing pages like the home or about page are fully controlable via Contentful.
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exports.getLandingPage = (slug, locale = 'en-US', api = `cda`) => {
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const client = api === 'cda' ? cdaClient : cpaClient
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return client.getEntries({
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content_type: 'layout',
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locale,
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'fields.slug': slug,
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include: 10
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})
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.then((response) => {
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console.log(response.items[0])
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return response.items[0]
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})
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}
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// the SDK supports link resolution only when you call the collection endpoints
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// That's why we are using getEntries with a query instead of getEntry(entryId)
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// make sure to specify the content_type whenever you want to perform a query
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exports.getCourse = assert((slug, locale = 'en-US', api = `cda`) => {
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const client = api === 'cda' ? cdaClient : cpaClient
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return client.getEntries({
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content_type: 'course',
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'fields.slug': slug,
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locale,
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include: 10
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})
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.then((response) => response.items[0])
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}, 'Course')
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exports.getCategories = assert((locale = 'en-US', api = `cda`) => {
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const client = api === 'cda' ? cdaClient : cpaClient
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return client.getEntries({content_type: 'category', locale})
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.then((response) => response.items)
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}, 'Course')
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// Getting a course by Category is simply querying all entries
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// with a query params `fields.categories.sys.id` equal to the desired category id
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// Note that you need to send the `content_type` param to be able to query the entry
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exports.getCoursesByCategory = assert((category, locale = 'en-US', api = `cda`) => {
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const client = api === 'cda' ? cdaClient : cpaClient
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return client.getEntries({
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content_type: 'course',
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'fields.categories.sys.id': category,
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locale,
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order: '-sys.createdAt',
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include: 10
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})
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.then((response) => response.items)
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}, 'Category')
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// Utitlities functions
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function assert (fn, context) {
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return function (req, res, next) {
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return fn(req, res, next)
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.then((data) => {
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if (!data) {
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var err = new Error(`${context} Not Found`)
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err.status = 404
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throw err
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}
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return data
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})
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}
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}
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