lamassu-server/lib/cashbox-batches.js

71 lines
3 KiB
JavaScript

const constants = require('./constants')
const db = require('./db')
const _ = require('lodash/fp')
const uuid = require('uuid')
function createCashboxBatch (deviceId, cashboxCount) {
if (_.isEqual(0, cashboxCount)) throw new Error('Cashbox is empty. Cashbox batch could not be created.')
const sql = `INSERT INTO cashbox_batches (id, device_id, created, operation_type) VALUES ($1, $2, now(), 'cash-box-empty') RETURNING *`
const sql2 = `
UPDATE bills SET cashbox_batch_id=$1
FROM cash_in_txs
WHERE bills.cash_in_txs_id = cash_in_txs.id AND
cash_in_txs.device_id = $2 AND
bills.cashbox_batch_id IS NULL
`
return db.tx(async t => {
const newBatch = await t.oneOrNone(sql, [uuid.v4(), deviceId])
return t.oneOrNone(sql2, [newBatch.id, newBatch.device_id])
})
}
function updateMachineWithBatch (machineContext, oldCashboxCount) {
const isValidContext = _.has(['deviceId', 'cashbox', 'cassettes'], machineContext)
const isCassetteAmountWithinRange = _.inRange(constants.CASH_OUT_MINIMUM_AMOUNT_OF_CASSETTES, constants.CASH_OUT_MAXIMUM_AMOUNT_OF_CASSETTES + 1, _.size(machineContext.cassettes))
if (!isValidContext && !isCassetteAmountWithinRange)
throw new Error('Insufficient info to create a new cashbox batch')
if (_.isEqual(0, oldCashboxCount)) throw new Error('Cashbox is empty. Cashbox batch could not be created.')
return db.tx(t => {
const deviceId = machineContext.deviceId
const batchId = uuid.v4()
const q1 = t.none(`INSERT INTO cashbox_batches (id, device_id, created, operation_type) VALUES ($1, $2, now(), 'cash-box-empty')`, [batchId, deviceId])
const q2 = t.none(`UPDATE bills SET cashbox_batch_id=$1 FROM cash_in_txs
WHERE bills.cash_in_txs_id = cash_in_txs.id AND
cash_in_txs.device_id = $2 AND
bills.cashbox_batch_id IS NULL`, [batchId, deviceId])
const q3 = t.none(`UPDATE devices SET cashbox=$1, cassette1=$2, cassette2=$3, cassette3=$4, cassette4=$5 WHERE device_id=$6`, [
machineContext.cashbox,
machineContext.cassettes[0],
machineContext.cassettes[1],
machineContext.cassettes[2],
machineContext.cassettes[3],
machineContext.deviceId
])
return t.batch([q1, q2, q3])
})
}
function getBatches () {
const sql = `
SELECT cb.id, cb.device_id, cb.created, cb.operation_type, cb.bill_count_override, cb.performed_by, json_agg(b.*) AS bills
FROM cashbox_batches AS cb
LEFT JOIN bills AS b ON cb.id = b.cashbox_batch_id
GROUP BY cb.id
ORDER BY cb.created DESC
`
return db.any(sql).then(res => _.map(it => _.mapKeys(ite => _.camelCase(ite), it), res))
}
function editBatchById (id, performedBy) {
const sql = `UPDATE cashbox_batches SET performed_by=$1 WHERE id=$2`
return db.none(sql, [performedBy, id])
}
function getBillsByBatchId (id) {
const sql = `SELECT * FROM bills WHERE cashbox_batch_id=$1`
return db.any(sql, [id])
}
module.exports = { createCashboxBatch, updateMachineWithBatch, getBatches, getBillsByBatchId, editBatchById }