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Daniils Petrovs
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Implement Elixir HTTPoison target
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‎src/targets/elixir/httpoison.js‎

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/**
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* @description
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* HTTPoison Elixir HTTP client code snippet generator.
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*
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* @author
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* @danirukun
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*
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* For any questions or issues regarding the generated code snippet,
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* please open an issue mentioning the author.
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*/
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'use strict'
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const CodeBuilder = require('../../helpers/code-builder')
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/**
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Converts an ES6 list of objects to an Elixir KW list
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*/
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const jsListToKwList = (jsList) => {
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if (jsList.length === 0) {
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return '[]'
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} else {
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const kwList = jsList
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.map(obj => `{"${obj.name}", "${obj.value}"}`)
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.join(', ')
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return `[${kwList}]`
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}
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}
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/**
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Converts a list containing cookies objects into an
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HTTPoison `cookie` parameter argument.
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*/
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const jsCookiesToExBin = (jsCookiesList) => {
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if (jsCookiesList.length === 0) {
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return '""'
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} else {
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const exBinary = jsCookiesList
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.map(cookie => `${cookie.name}=${cookie.value}`)
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.join('; ')
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return `"${exBinary}"`
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}
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}
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/**
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Converts a list of params to a Poison multipart form payload.
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*/
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const jsMultiPartParamsToPoisonPayload = (jsMultiParams) => {
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const [params] = jsMultiParams
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const isFileUpload = 'fileName' in params
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let multiPart
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if (isFileUpload) {
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const { fileName, name } = params
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const formData = [
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{ name: 'name', value: name },
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{ name: 'filename', value: fileName }]
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const formDataKwList = jsListToKwList(formData)
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const headers = jsListToKwList([{ name: 'content-type', value: 'multipart/form-data' }])
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multiPart = `[{:file, "${fileName}", {"form-data", ${formDataKwList}}, ${headers}}]`
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} else {
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multiPart = jsListToKwList(jsMultiParams)
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}
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return `{:multipart, ${multiPart}}`
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}
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const isJson = (mimeType) => {
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return mimeType === 'application/json'
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}
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const isMultiPartForm = (mimeType) => {
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return mimeType === 'multipart/form-data'
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}
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const escapeExString = (text) => {
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return `~s(${text})`
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}
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module.exports = (source, _options) => {
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const code = new CodeBuilder()
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const { method, headers, cookies, postData: { mimeType, params } } = source
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const text = `"${(source.postData.text || '')}"`
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const escapedText = isJson(mimeType)
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? escapeExString(text)
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: text
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const payload = isMultiPartForm(mimeType)
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? jsMultiPartParamsToPoisonPayload(params)
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: escapedText
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function appendHeaders (headers) {
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const exHeaders = jsListToKwList(headers)
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argPlaceholders += ', %s'
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poisonArgs = poisonArgs.concat([exHeaders])
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}
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function appendCookies (cookies) {
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const exCookies = jsCookiesToExBin(cookies)
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const poisonOpts = `hackney: [cookie: ${exCookies}]`
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argPlaceholders += ', %s'
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poisonArgs = poisonArgs.concat([poisonOpts])
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}
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function appendPayload (payload) {
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argPlaceholders += ', %s'
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poisonArgs = poisonArgs.concat([payload])
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}
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let argPlaceholders = ':%s, "%s"'
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let poisonArgs = [method.toLowerCase(), source.fullUrl]
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appendPayload(payload)
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if (headers.length > 0) appendHeaders(headers)
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if (cookies.length > 0) {
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if (headers.length === 0) appendHeaders([])
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appendCookies(cookies)
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}
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code.push(`HTTPoison.request(${argPlaceholders})`, ...poisonArgs)
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return code.join()
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}
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module.exports.info = {
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key: 'httpoison',
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title: 'HTTPoison',
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link: 'https://github.com/edgurgel/httpoison',
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description: 'HTTP client for Elixir, based on HTTPotion.'
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}

‎src/targets/elixir/index.js‎

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'use strict'
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module.exports = {
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info: {
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key: 'elixir',
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title: 'Elixir',
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extname: '.ex',
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default: 'httpoison'
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},
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httpoison: require('./httpoison')
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}

‎src/targets/index.js‎

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c: require('./c'),
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clojure: require('./clojure'),
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csharp: require('./csharp'),
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elixir: require('./elixir'),
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go: require('./go'),
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http: require('./http'),
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java: require('./java'),

‎test/fixtures/available-targets.json‎

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"link": "http://ruby-doc.org/stdlib-2.2.1/libdoc/net/http/rdoc/Net/HTTP.html",
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"description": "Ruby HTTP client"
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}
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]
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},
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{
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"key": "elixir",
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"title": "Elixir",
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"extname": ".ex",
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"default": "httpoison",
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"clients": [
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{
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"key": "httpoison",
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"title": "HTTPoison",
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"link": "https://github.com/edgurgel/httpoison",
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"description": "HTTP client for Elixir, based on HTTPotion."
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}
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]
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},
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{

‎test/fixtures/output/elixir/httpoison/application-form-encoded.ex‎

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HTTPoison.request(:post, "http://mockbin.com/har", "foo=bar&hello=world", [{"content-type", "application/x-www-form-urlencoded"}])

‎test/fixtures/output/elixir/httpoison/application-json.ex‎

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HTTPoison.request(:post, "http://mockbin.com/har", ~s("{"number":1,"string":"f\"oo","arr":[1,2,3],"nested":{"a":"b"},"arr_mix":[1,"a",{"arr_mix_nested":{}}],"boolean":false}"), [{"content-type", "application/json"}])

‎test/fixtures/output/elixir/httpoison/cookies.ex‎

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HTTPoison.request(:post, "http://mockbin.com/har", "", [], hackney: [cookie: "foo=bar; bar=baz"])

‎test/fixtures/output/elixir/httpoison/custom-method.ex‎

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HTTPoison.request(:propfind, "http://mockbin.com/har", "")

‎test/fixtures/output/elixir/httpoison/full.ex‎

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HTTPoison.request(:post, "http://mockbin.com/har?foo=bar&foo=baz&baz=abc&key=value", "foo=bar", [{"accept", "application/json"}, {"content-type", "application/x-www-form-urlencoded"}], hackney: [cookie: "foo=bar; bar=baz"])

‎test/fixtures/output/elixir/httpoison/headers.ex‎

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HTTPoison.request(:get, "http://mockbin.com/har", "", [{"accept", "application/json"}, {"x-foo", "Bar"}])

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