Created
November 30, 2018 11:59
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Ember CLI Mirage Serializer Pagination and Sort
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import { JSONAPISerializer } from 'ember-cli-mirage'; | |
import { isArray } from '@ember/array'; | |
export default JSONAPISerializer.extend({ | |
serialize(response, request) { | |
if (isArray(response)) { | |
response = sort(response, request); | |
} | |
let json = JSONAPISerializer.prototype.serialize.apply(this, [response, request]); | |
if (isArray(response)) { | |
paginate(json, request); | |
} | |
json.jsonapi = json.jsonapi || { version: '1.0' }; | |
return json; | |
} | |
}); | |
function paginate(json, request) { | |
const pageNumber = request.queryParams['page[number]']; | |
const pageSize = request.queryParams['page[size]']; | |
if (!pageNumber || !pageSize) { | |
return; | |
} | |
const minIndex = (pageNumber - 1) * pageSize; | |
const maxIndex = pageNumber * pageSize; | |
const totalRecords = json.data.length; | |
json.data = json.data.slice(minIndex, maxIndex); | |
json.meta = json.meta || {}; | |
json.meta.total_pages = json.meta.total_pages || totalRecords / pageSize; | |
} | |
function sort(response, request) { | |
let sortKey = request.queryParams['sort']; | |
if (!sortKey) { | |
return response; | |
} | |
const isDesc = sortKey[0] === '-'; | |
if (isDesc) { | |
sortKey = sortKey.slice(1); | |
} | |
return response.sort((a, b) => { | |
if (isDesc) { | |
return b[sortKey].localeCompare(a[sortKey]); | |
} else { | |
return a[sortKey].localeCompare(b[sortKey]); | |
} | |
}); | |
} |
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