bptf-api/index.js

A Backpack.tf API for Node.JS

var request = require('request-promise');

class BPTF {
    constructor(key){
        if (typeof key === 'string') this.key = key;
        else throw new Error('Key must be string.');
    }

    GetCurrencies() {
        return new Promise ((resolve,reject) => {
            try {
                if (this.key){
                    let link = `https://backpack.tf/api/IGetCurrencies/v1?key=${this.key}`
                    request({
                        method:"GET",
                        uri:link,
                        headers: {
                            'User-Agent': 'Mozilla/5.0 (WOW64; rv:16.0) Gecko/20100101 Firefox/16.0'
                        },
                        json:true
                    }).then((jsonValue)=>{
                        if (!jsonValue) resolve(new Error('There is no JSON Value on site'))
                        if (jsonValue.response && jsonValue.response.success === 1) resolve(jsonValue.response.currencies)
                        else reject(new Error('There is no response or response is not succesfull.'))
                    }).catch((err)=>{
                        reject(err)
                    })    
                } else {
                    reject(new Error('There is no key value.'))
                }
            } catch (ex) {
                resolve(ex)
            }
        })
    }

    GetPrices() {
        return new Promise ((resolve,reject) => {
            try {
                if (this.key){
                    let link = `https://backpack.tf/api/IGetPrices/v4?key=${this.key}`
                    request({
                        method:"GET",
                        uri:link,
                        headers: {
                            'User-Agent': 'Mozilla/5.0 (WOW64; rv:16.0) Gecko/20100101 Firefox/16.0'
                        },
                        json:true
                    }).then((jsonValue)=>{
                        if (!jsonValue) resolve(new Error('There is no JSON Value on site'))
                        if (jsonValue.response && jsonValue.response.success === 1) resolve(jsonValue.response.items)
                        else if (jsonValue.response.message)  reject(new Error('There is no response or response is not succesfull. Error Message is ' + jsonValue.response.message))
                        else reject(new Error('There is no response or response is not succesfull.'))
                    }).catch((err)=>{
                        reject(err)
                    })    
                } else {
                    reject(new Error('There is no key value.'))
                }
            } catch (ex) {
                reject(ex)
            }
        })  
    }

    GetPriceHistory(item,quality){
        return new Promise ((resolve,reject) => {
            try {
                if (this.key){
                    let link = `https://backpack.tf/api/IGetPriceHistory/v1?item=${item.replace(' ','+')}&quality=${quality}&key=${this.key}`
                    request({
                        method:"GET",
                        uri:link,
                        headers: {
                            'User-Agent': 'Mozilla/5.0 (WOW64; rv:16.0) Gecko/20100101 Firefox/16.0'
                        },
                        json:true
                    }).then((jsonValue)=>{
                        if (!jsonValue) resolve(new Error('There is no JSON Value on site'))
                        if (jsonValue.response && jsonValue.response.success === 1) resolve(jsonValue.response.history)
                        else if (jsonValue.response.message)  reject(new Error('There is no response or response is not succesfull. Error Message is ' + jsonValue.response.message))
                        else reject(new Error('There is no response or response is not succesfull.'))
                    }).catch((err)=>{
                        reject(err)
                    })    
                } else {
                    reject(new Error('There is no key value.'))
                }
            } catch (ex) {
                reject(ex)
            }
        })  
    }

    GetSpecialItems() {
        return new Promise ((resolve,reject) => {
            try {
                if (this.key){
                    let link = `https://backpack.tf/api/IGetSpecialItems/v1?key=&key=${this.key}`
                    request({
                        method:"GET",
                        uri:link,
                        headers: {
                            'User-Agent': 'Mozilla/5.0 (WOW64; rv:16.0) Gecko/20100101 Firefox/16.0'
                        },
                        json:true
                    }).then((jsonValue)=>{
                        if (!jsonValue) resolve(new Error('There is no JSON Value on site'))
                        if (jsonValue.response && jsonValue.response.success === 1) resolve(jsonValue.response.items)
                        else if (jsonValue.response.message)  reject(new Error('There is no response or response is not succesfull. Error Message is ' + jsonValue.response.message))
                        else reject(new Error('There is no response or response is not succesfull.'))
                    }).catch((err)=>{
                        reject(err)
                    })    
                } else {
                    reject(new Error('There is no key value.'))
                }
            } catch (ex) {
                reject(ex)
            }
        })  
    }
}

module.exports = BPTF