# all files / RequestClient/ DDragonRequest.js

29.07% Statements 25/86
6.45% Branches 2/31
0% Functions 0/9
30.14% Lines 22/73
1 branch Ignored

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88
    89
    90
    91
    92
    93
    94
    95
    96
    97
    98
    99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139
    140
    141
    142
    143
    144
    145
    146
    147
    148
    149
    150
    151
    152
    153
    154
    155
    156
    1571×

    1×

    1×
    1×
    1×
    1×
    1×

    1×

    1×

    1×
    1×

    1×

    1×

    1×

    1×

    1×

    1×

    1×

    1×

    1×
    1×

    1×
     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