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getPayments.js
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getPayments.js
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'use strict'
var Logger = require('../../lib/logger')
var log = new Logger({scope: 'payments'})
var smoment = require('../../lib/smoment')
var utils = require('../../lib/utils')
var intervals = ['day', 'week', 'month']
var validator = require('ripple-address-codec')
var hbase = require('../../lib/hbase')
function getPayments(req, res) {
var options = {
start: smoment(req.query.start || 0),
end: smoment(req.query.end),
interval: req.query.interval,
descending: (/true/i).test(req.query.descending) ? true : false,
limit: Number(req.query.limit || 200),
marker: req.query.marker,
format: (req.query.format || 'json').toLowerCase()
}
var currency = req.params.currency
/**
* errorResponse
* return an error response
* @param {Object} err
*/
function errorResponse(err) {
log.error(err.error || err)
if (err.code && err.code.toString()[0] === '4') {
res.status(err.code).json({
result: 'error',
message: err.error
})
} else {
res.status(500).json({
result: 'error',
message: 'unable to retrieve payments'
})
}
}
/**
* successResponse
* return a successful response
* @param {Object} resp
*/
function successResponse(resp) {
var filename
if (resp.marker) {
utils.addLinkHeader(req, res, resp.marker)
}
if (options.format === 'csv') {
filename = 'payments' +
(resp.currency ? ' - ' + resp.currency : ' ') +
(resp.issuer ? ' ' + resp.currency : ' ') + '.csv'
resp.rows.forEach(function(r, i) {
resp.rows[i] = utils.flattenJSON(r)
})
res.csv(resp.rows, filename)
// json
} else {
res.json({
result: 'success',
currency: resp.currency,
issuer: resp.issuer,
count: resp.rows.length,
marker: resp.marker,
payments: resp.rows
})
}
}
if (currency) {
currency = currency.split(/[\+|\.]/) // any of +, |, or .
options.currency = currency[0].toUpperCase()
options.issuer = currency[1]
}
if (options.issuer && !validator.isValidAddress(options.issuer)) {
errorResponse({error: 'invalid issuer address', code: 400})
return
} else if (!options.start) {
errorResponse({error: 'invalid start date format', code: 400})
return
} else if (!options.end) {
errorResponse({error: 'invalid end date format', code: 400})
return
} else if (options.interval &&
intervals.indexOf(options.interval) === -1) {
errorResponse({error: 'invalid interval', code: 400})
return
} else if (options.currency &&
options.currency !== 'XRP' &&
!options.issuer) {
errorResponse({error: 'issuer is required', code: 400})
return
} else if (options.interval && !options.currency) {
errorResponse({
error: 'currency is required for aggregated payments',
code: 400
})
return
}
if (isNaN(options.limit)) {
options.limit = 200
} else if (options.limit > 200) {
options.limit = 200
}
hbase.getPayments(options, function(err, resp) {
if (err || !resp) {
errorResponse(err)
return
}
resp.rows.forEach(function(r) {
delete r.rowkey
if (options.interval) {
r.start = smoment(r.date).format()
r.total_amount = r.amount.toString()
r.average_amount = r.average.toString()
delete r.date
delete r.amount
delete r.average
if (r.issuer === '') {
delete r.issuer
}
} else {
r.executed_time = smoment(r.executed_time).format()
r.transaction_cost = r.fee
delete r.fee
delete r.rowkey
delete r.client
}
})
successResponse(resp)
})
}
module.exports = getPayments