lamassu-server/lib/customers.js
goga-m 81b0fadec1 Provide customer's daily volume
Provide customer's info on sms phone code
2017-08-30 16:44:51 +03:00

35 lines
1.1 KiB
JavaScript

const db = require('./db')
const uuid = require('uuid')
const _ = require('lodash/fp')
const BN = require('./bn')
function add (customer) {
const sql = 'insert into customers (id, phone, phone_at) values ($1, $2, now()) returning *'
return db.one(sql, [uuid.v4(), customer.phone])
}
function get (phone) {
const sql = 'select id, phone from customers where phone=$1'
return db.oneOrNone(sql, [phone])
.then(customer => {
if (!customer) return
return getDailyVolume(customer.id).then(dailyVolume => {
return _.set('dailyVolume', dailyVolume, customer)
})
})
}
function getDailyVolume (id) {
return Promise.all([
db.one(`select coalesce(sum(fiat), 0) as total from cash_in_txs
where customer_id=$1
and created > now() - interval '1 day'`, [id]),
db.one(`select COALESCE(sum(fiat), 0) as total from cash_out_txs
where customer_id=$1
and created > now() - interval '1 day'`, [id])
]).then(([cashInTotal, cashOutTotal]) => {
return BN(cashInTotal.total).add(cashOutTotal.total)
})
}
module.exports = { add, get }