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fix: bug related with ordering the cassettes during computation

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This commit is contained in:
Sérgio Salgado 2021-10-15 16:31:38 +01:00
parent 03fc35e9d1
commit 68d5f2b998
1 changed files with 6 additions and 10 deletions
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16
lib/plugins.js
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@ -105,18 +105,14 @@ function plugins (settings, deviceId) {
}
function computeAvailableCassettes (cassettes, redeemableTxs) {
const orderedCassettes = _.orderBy(['denomination'], ['desc'], cassettes)
if (_.isEmpty(redeemableTxs)) return orderedCassettes
if (_.isEmpty(redeemableTxs)) return cassettes
const sumTxs = (sum, tx) => {
// cash-out-helper sends 0 as fallback value, need to filter it out as there are no '0' denominations
const bills = _.filter(it => it.denomination > 0, tx.bills)
const sameDenominations = a => a[0]?.denomination === a[1]?.denomination
// Order cassettes and bills to make sure they match
const orderedBills = _.orderBy(['denomination'], ['desc'], bills)
const doDenominationsMatch = _.every(sameDenominations, _.zip(orderedCassettes, orderedBills))
const doDenominationsMatch = _.every(sameDenominations, _.zip(cassettes, bills))
if (!doDenominationsMatch) {
throw new Error('Denominations don\'t add up, cassettes were changed.')
@ -125,8 +121,8 @@ function plugins (settings, deviceId) {
return _.map(r => r[0] + r[1].provisioned, _.zip(sum, tx.bills))
}
const provisioned = _.reduce(sumTxs, _.times(_.constant(0), _.size(orderedCassettes)), redeemableTxs)
const zipped = _.zip(_.map('count', orderedCassettes), provisioned)
const provisioned = _.reduce(sumTxs, _.times(_.constant(0), _.size(cassettes)), redeemableTxs)
const zipped = _.zip(_.map('count', cassettes), provisioned)
const counts = _.map(r => r[0] - r[1], zipped)
if (_.some(_.lt(_, 0), counts)) {
@ -136,10 +132,10 @@ function plugins (settings, deviceId) {
const computedCassettes = []
_.forEach(it => {
computedCassettes.push({
denomination: orderedCassettes[it].denomination,
denomination: cassettes[it].denomination,
count: counts[it]
})
}, _.times(_.identity(), _.size(orderedCassettes)))
}, _.times(_.identity(), _.size(cassettes)))
return computedCassettes
}