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| import request from 'request'
export const DDragonRequestTypes = {
REALMS: 'realms',
API: 'api',
CDN: {
DATA: 'cdn_data',
IMAGE: 'cdn_img',
},
}
// Not sure how I should handle realms, versions, and a regular URL in an easy-to-code way...
// As realm/version endpoints have different structures from cdn endpoints. We'll see!
// Committing this to just show my thought process for now.
const baseUrl = 'https://ddragon.leagueoflegends.com/'
const createRealmsUrl = endpoint => `${baseUrl}realms/${endpoint}`
const createApiUrl = endpoint => `${baseUrl}/api/${endpoint}`
const createVersionUrl = createApiUrl('versions.json')
const createCdnUrl = (type, version, locale, endpoint) =>
`${baseUrl}cdn/${version}/${type}/${locale}/${endpoint}`
const createDataUrl = (version, locale, endpoint) =>
createCdnUrl('data', version, locale, endpoint)
const createImageUrl = (version, locale, endpoint) =>
createCdnUrl('img', version, locale, endpoint)
export const ddragonRequestTypeToUrl = (type, urlInformation) => {
switch (type) {
case DDragonRequestTypes.REALMS:
return createRealmsUrl(urlInformation.endpoint)
case DDragonRequestTypes.API:
return createApiUrl(urlInformation.endpoint)
case DDragonRequestTypes.CDN.DATA:
return createDataUrl(
urlInformation.version,
urlInformation.locale,
urlInformation.endpoint,
)
case DDragonRequestTypes.CDN.IMAGE:
return createImageUrl(
urlInformation.version,
urlInformation.locale,
urlInformation.endpoint,
)
default:
throw new Error('Invalid DDragonRequestType.')
}
}
function DDragonRequest(config, endpoint, requestType) {
this.payload = {
endpoint,
locale: '',
version: '',
type: requestType,
}
this.config = config
this.retriesLeft = this.config.requestOptions.numberOfRetriesBeforeAbort
}
DDragonRequest.prototype.locale = function(locale) {
if (this.payload.locale)
throw new Error('Do not call DDragonRequest.locale twice.')
// Add locale checker
if (locale) this.payload.locale = locale
return this
}
DDragonRequest.prototype.version = function(version) {
if (typeof obj !== 'string')
throw new Error('DDragonRequest.version takes in a string.')
if (version) this.payload.version = version
return this
}
DDragonRequest.prototype.then = function then(resolve, reject) {
const self = this
return new Promise((innerResolve, innerReject) =>
self.callback(
(err, res) => (err ? innerReject(err) : innerResolve(res)),
),
).then(resolve, reject)
}
DDragonRequest.prototype.catch = callback => this.then(null, callback)
DDragonRequest.prototype.callback = function(cb) {
// TODO: Error checking for `version` and `locale`?
const { endpoint, locale, version, type } = this.payload
const url = ddragonRequestTypeToUrl(type, { endpoint, locale, version })
this.execute(url, this.retriesLeft, cb)
}
DDragonRequest.prototype.execute = async function(url, retriesLeft, cb) {
const { cacheOptions, debugOptions, requestOptions } = this.config
const fn = async (err, data) => {
const debugURL = url
try {
if (data) {
if (debugOptions.isEnabled) {
debugOptions.loggers.cache.get(debugURL)
}
ok(data)(cb)
} else {
if (debugOptions.isEnabled) {
debugOptions.loggers.request.outgoing(url)
}
// TODO: Handle this in the future, of course.
const makeRequest = () => new Promise(resolve => resolve(true))
const res = await makeRequest()
if (debugOptions.isEnabled) {
debugOptions.loggers.request.incoming.success(debugURL)
}
try {
const blob = JSON.parse(res)
if (
cacheOptions.cache &&
cacheOptions.ttls[this.methodName] > 0
) {
cacheOptions.cache.set(
{
key: url,
ttl: 0, // TODO: Temporary number.
},
blob,
)
if (debugOptions.isEnabled) {
debugOptions.loggers.cache.set(`${url}`)
}
}
ok(blob)(cb)
} catch (ex) {
console.log(ex)
}
}
} catch (ex) {
console.error(ex)
error({
ddragonErrorTemporary: ex,
})(cb)
}
}
if (cacheOptions.cache) {
cacheOptions.cache.get({ key: url }, fn)
} else {
fn()
}
}
const ok = blob => cb => cb(null, blob)
const error = blob => cb => cb(blob, null)
export default DDragonRequest
|