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Rename amount -> quantity

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This commit is contained in:
Daniel
2021-09-08 15:27:07 +02:00
committed by Christian Georgi
parent 48d547e6cd
commit 19083d156e
11 changed files with 37 additions and 37 deletions
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4
bookshop/srv/cat-service.cds
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@@ -11,6 +11,6 @@ service CatalogService @(path:'/browse') {
} excluding { createdBy, modifiedBy };
@requires: 'authenticated-user'
action submitOrder ( book: Books:ID, amount: Integer ) returns { stock: Integer };
event OrderedBook : { book: Books:ID; amount: Integer; buyer: String };
action submitOrder ( book: Books:ID, quantity: Integer ) returns { stock: Integer };
event OrderedBook : { book: Books:ID; quantity: Integer; buyer: String };
}

10
bookshop/srv/cat-service.js
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@@ -5,14 +5,14 @@ class CatalogService extends cds.ApplicationService { init(){
// Reduce stock of ordered books if available stock suffices
this.on ('submitOrder', async req => {
const {book,amount} = req.data
const {book,quantity} = req.data
let {stock} = await SELECT `stock` .from (Books,book)
if (stock >= amount) {
await UPDATE (Books,book) .with (`stock -=`, amount)
await this.emit ('OrderedBook', { book, amount, buyer:req.user.id })
if (stock >= quantity) {
await UPDATE (Books,book) .with (`stock -=`, quantity)
await this.emit ('OrderedBook', { book, quantity, buyer:req.user.id })
return { stock }
}
else return req.error (409,`${amount} exceeds stock for book #${book}`)
else return req.error (409,`${quantity} exceeds stock for book #${book}`)
})
// Add some discount for overstocked books