11 lines
290 B
JavaScript
11 lines
290 B
JavaScript
module.exports = cds.service.impl(function(){
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this.before(['CREATE','UPDATE'],'Books', req => { //> ....
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const book = req.data
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if (book.stock < 10 && book.discount > 0.5) {
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req.error('Hey, da sind so wenig übrig, die wollen wir nicht zu billig verticken')
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}
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})
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})
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