CommonUtils.js

'use strict'

import * as fs from 'fs'

class CommonUtils {
    static validateString(name, val) {
        if (!val || Object.prototype.toString.call(val) !== '[object String]')
            throw new Error(`${name} must be a String!`)
    }

    static validateInteger(name, val) {
        if (!Number.isInteger(val))
            throw new Error(`${name} must be an integer!`)
    }

    static validateNumber(name, val) {
        if (!val || !Number(val))
            throw new Error(`${name} must be a number!`)
    }

    static validateObject(name, val) {
        if (!val || Object.prototype.toString.call(val) !== '[object Object]')
            throw new Error(`${name} must be an Object!`)
    }

    static generateMethodURL(params, method) {
        if (method === "sendFileByUpload" || method === "uploadFile") {
            return `${params.media}/waInstance${params.idInstance}/${method}/${params.apiTokenInstance}`
        } else {
            return `${params.host}/waInstance${params.idInstance}/${method}/${params.apiTokenInstance}`
        }
    }

    static generateMethodURLWithQuery(params, method, queryParams) {
        if (method === "sendFileByUpload" || method === "uploadFile") {
            return `${params.media}/waInstance${params.idInstance}/${method}/${params.apiTokenInstance}${queryParams}`
        } else {
            return `${params.host}/waInstance${params.idInstance}/${method}/${params.apiTokenInstance}${queryParams}`
        }
    }

    static validateChatIdPhoneNumber(chatId, phoneNumber) {
        if (!chatId) {
            CommonUtils.validateInteger('phoneNumber', phoneNumber)
        }
        if (!phoneNumber) {
            CommonUtils.validateString('chatId', chatId)
        }
    }

    static validateArray(name, val) {
        if (!val || !Array.isArray(val))
            throw new Error(`${name} must be an Array!`)
    }

    static validatePath(name, val) {
        if (!val || !fs.existsSync(val))
            throw new Error(`${name} not found!`)
    }
}

export default CommonUtils