Agile611/the-example-app-nodejs
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feat(Errors): Add global error handling

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This commit is contained in:
Khaled Garbaya
2017-10-05 10:37:09 +02:00
committed by Benedikt Rötsch
parent 17b52868e2
commit 64f59e203d
4 changed files with 37 additions and 18 deletions
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33
services/contentful.js
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@@ -23,13 +23,13 @@ exports.initClient = (options) => {
})
}
exports.getCourses = (locale = 'en-US', api = `cda`) => {
exports.getCourses = assert((locale = 'en-US', api = `cda`) => {
// to get all the courses we request all the entries
// with the content_type `course` from Contentful
const client = api === 'cda' ? cdaClient : cpaClient
return client.getEntries({content_type: 'course', locale, include: 10})
.then((response) => response.items)
}
}, 'Course')
exports.getLandingPage = (locale = 'en-US', api = `cda`) => {
// our Home page is fully configureable via Contentful
@@ -39,26 +39,22 @@ exports.getLandingPage = (locale = 'en-US', api = `cda`) => {
.then((response) => response.items[0])
}
exports.getCourse = (slug, locale = 'en-US', api = `cda`) => {
exports.getCourse = assert((slug, locale = 'en-US', api = `cda`) => {
// the SDK supports link resolution only when you call the collection endpoints
// That's why we are using getEntries with a query instead of getEntry(entryId)
// make sure to specify the content_type whenever you want to perform a query
const client = api === 'cda' ? cdaClient : cpaClient
return client.getEntries({content_type: 'course', 'fields.slug': slug, locale, include: 10})
.then((response) => response.items[0])
}
}, 'Course')
exports.getLessons = (courseId, locale = 'en-US', api = `cda`) => {
// TODO
}
exports.getCategories = (locale = 'en-US', api = `cda`) => {
exports.getCategories = assert((locale = 'en-US', api = `cda`) => {
const client = api === 'cda' ? cdaClient : cpaClient
return client.getEntries({content_type: 'category', locale})
.then((response) => response.items)
}
}, 'Course')
exports.getCoursesByCategory = (category, locale = 'en-US', api = `cda`) => {
exports.getCoursesByCategory = assert((category, locale = 'en-US', api = `cda`) => {
const client = api === 'cda' ? cdaClient : cpaClient
return client.getEntries({
content_type: 'course',
@@ -67,5 +63,18 @@ exports.getCoursesByCategory = (category, locale = 'en-US', api = `cda`) => {
include: 10
})
.then((response) => response.items)
}
}, 'Category')
function assert (fn, context) {
return function (req, res, next) {
return fn(req, res, next)
.then((data) => {
if (!data) {
var err = new Error(`${context} Not Found`)
err.status = 404
throw err
}
return data
})
}
}