27 lines
946 B
JavaScript
27 lines
946 B
JavaScript
//
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// Quick and dirty implementation for cds.validate() using db-level constraints
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//
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const cds = require('@sap/cds')
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cds.on('served', ()=> {
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const $ = cds.validate; cds.validate = async function (entity, key, ...columns) {
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if (!entity.is_entity) return $(...arguments)
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if (entity.constraints) entity = entity.constraints
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if (key?.results) key = key.results[0].lastInsertRowid
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const checks = await SELECT.one.from (entity, key, columns.length && columns)
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const failed = {}; for (let c in checks) {
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if (c in entity.keys) continue
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if (c[0] == '_') continue
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if (checks[c]) failed[c] = checks[c]
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}
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if (Object.keys(failed).length) throw cds.error `Invalid input: ${failed}`
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}
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})
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Object.defineProperties (cds.entity.prototype, {
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constraints: { get() { return cds.model.definitions[this.name+'.constraints'] }},
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fields: { get() { return cds.model.definitions[this.name+'.field.control'] }},
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})
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