65 lines
1.5 KiB
JavaScript
65 lines
1.5 KiB
JavaScript
const _ = require('lodash/fp')
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const pgp = require('pg-promise')()
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const helper = require('./cash-out-helper')
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const toDb = helper.toDb
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const toObj = helper.toObj
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const UPDATEABLE_FIELDS = ['txHash', 'txVersion', 'status', 'dispense', 'dispenseConfirmed',
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'notified', 'redeem', 'phone', 'error', 'swept', 'publishedAt', 'confirmedAt', 'errorCode',
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'receivedCryptoAtoms', 'walletScore' ]
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module.exports = {upsert, update, insert}
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function upsert (t, oldTx, tx) {
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if (!oldTx) {
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return insert(t, tx)
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.then(newTx => [oldTx, newTx])
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}
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return update(t, tx, diff(oldTx, tx))
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.then(newTx => [oldTx, newTx, tx.justAuthorized])
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}
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function insert (t, tx) {
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const dbTx = toDb(tx)
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const sql = pgp.helpers.insert(dbTx, null, 'cash_out_txs') + ' returning *'
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return t.one(sql)
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.then(toObj)
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}
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function update (t, tx, changes) {
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if (_.isEmpty(changes)) return Promise.resolve(tx)
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const dbChanges = toDb(changes)
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const sql = pgp.helpers.update(dbChanges, null, 'cash_out_txs') +
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pgp.as.format(' where id=$1', [tx.id])
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const newTx = _.merge(tx, changes)
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return t.none(sql)
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.then(() => newTx)
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}
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function diff (oldTx, newTx) {
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let updatedTx = {}
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UPDATEABLE_FIELDS.forEach(fieldKey => {
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if (oldTx && _.isEqualWith(nilEqual, oldTx[fieldKey], newTx[fieldKey])) return
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// We never null out an existing field
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if (oldTx && _.isNil(newTx[fieldKey])) return
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updatedTx[fieldKey] = newTx[fieldKey]
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})
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return updatedTx
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}
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function nilEqual (a, b) {
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if (_.isNil(a) && _.isNil(b)) return true
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return undefined
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}
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