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dynamic-co
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dependabot
| Author | SHA1 | Date | |
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1b159425d4 |
@@ -1,30 +0,0 @@
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## Experimental Dynamic Constraints
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This example demonstrates how to use dynamic constraints in a CAP application. It includes a service definition and a test setup to validate the constraints.
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### Prerequisites
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You've setup the [_cap/samples_](https://github.com/sap-samples/cloud-cap-samples) like so:
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```sh
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git clone -q https://github.com/sap-samples/cloud-cap-samples cap/samples
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cd cap/samples
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npm install
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```
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### Testing
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Test like that in `cds.repl` from _cap/samples_ root:
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```sh
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cds repl --run bookshop/test/dynamic-constraints
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````
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```javascript
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await AdminService.create ('Books', {})
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await AdminService.create ('Books', { title:' ', author_ID:150 })
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await AdminService.create ('Books', { title:'x' })
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await cds.validate (Books.constraints, 201)
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await cds.validate (Books.constraints)
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```
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@@ -1,17 +0,0 @@
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//
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// Quick and dirty implementation for cds.validate()
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// using db-level constraints.
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//
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const cds = require('@sap/cds'); require('./validate.js')
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cds.on('served', ()=> {
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const { AdminService } = cds.services
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AdminService.after (['CREATE','UPDATE'], (result,req) => cds.validate (req.subject, result))
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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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@@ -1,7 +0,0 @@
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namespace AdminService; //> for cds.entities
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using { AdminService } from '../../../srv/admin-service';
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annotate AdminService with @requires: false;
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extend AdminService.Authors with columns {
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null as books // to simulate the exclusion of books
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}
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@@ -1,10 +0,0 @@
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namespace sap.capire.bookshop;
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using from './admin-service';
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view Books.field.control as select from Books { ID,
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genre.name == 'Drama' ? 'readonly' :
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null as price
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}
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extend Books with {
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fc : Association to Books.field.control on fc.ID = $self.ID
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}
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@@ -1,76 +0,0 @@
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using { AdminService, sap.capire.bookshop as my } from './admin-service';
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extend service AdminService with {
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// entity Books.drafts as projection on AdminService.Books;
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// @cds.api.ignore view Books.drafts.constraints as select from AdminService.Books.drafts mixin {
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// before: Association to my.Books on before.ID = $self.ID;
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// base: Association to my.Books on base.ID = $self.ID;
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// } into { ID, // FIXME: compiler should resolve Books without AdminService prefix
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// case
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// when title is null then 'is missing'
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// when trim(title)='' then 'must not be empty'
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// end as title,
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// ...
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// }
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/**
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* Validation constraints for Books
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*/
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@cds.api.ignore view Books.constraints as select from AdminService.Books mixin {
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base: Association to my.Books on base.ID = $self.ID;
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} into { ID, // FIXME: compiler should resolve Books without AdminService prefix
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// two-step mandatory check
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case
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when title is null then 'is missing'
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when trim(title)='' then 'must not be empty'
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end as title,
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// the above is equivalent to:
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// title is null ? 'is missing' : trim(title)='' ? 'must not be empty' :
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// range check
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stock < 0 ? 'must not be negative' :
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null as stock,
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// range check
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price < 0 ? 'must not be negative' :
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null as price,
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// assert target check
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genre.ID is not null and not exists genre ? 'does not exist' :
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null as genre,
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// multiple constraints: mandatory + assert target + special
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author.ID is null ? 'is missing' : // FIXME: 1) // TODO: 2)
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not exists author ? 'Author does not exist: ' || author.ID :
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count(base.author.books.ID) -1 > 1 ? author.name || ' already wrote too many books' : // TODO: 3)
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null as author,
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} group by ID;
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// 1) FIXME: expected author.ID to refer to foreign key,
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// apparently that is not the case -> move one line up
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// and run test to see the erroneous impact.
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// 2) TODO: we should allow to write author is null instead of author.ID is null
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// 3) TODO: we should support count(author.books)
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/**
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* Validation constraints for Authors
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*/
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view Authors.constraints as select from AdminService.Authors { ID, // FIXME: compiler should resolve Authors without AdminService prefix
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// two-step mandatory check
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name = null ? 'is missing' : trim(name)='' ? 'must not be empty' :
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null as name,
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// constraint related to two fields
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dateOfDeath < dateOfBirth ? 'we can''t die before we are born' : null as _born_before_death,
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$self._born_before_death as dateOfBirth,
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$self._born_before_death as dateOfDeath,
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}
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}
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@@ -1,34 +0,0 @@
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const cds = require('@sap/cds')
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const $super = { validate: cds.validate, skip(){} }
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/**
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* Quick and dirty implementation for cds.validate() using db-level constraints.
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*/
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cds.validate = function (x, pk, ...columns) {
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// Delegate to base impl of cds.validate() for standard input validation
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if (!_is_constraints(x)) return $super.skip (...arguments)
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// Support subject refs to base entities as arguments
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if (x?.ref) [ x, pk ] = [ x.ref +'.constraints', pk.ID||pk ]
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// Run the constraints check query
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const constraints = typeof x === 'string' ? cds.model.definitions[x] || cds.error `No such constraints view: ${x}` : x
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return SELECT.from (constraints, pk, columns.length && columns)
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// Collect and throw errors, if any
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.then (rows => (rows.map ? rows : [rows]).map (checks => {
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const failed = {}; for (let c in checks) {
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if (c in constraints.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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return checks
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}))
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}
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// Helpers
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const _is_constraints = x => x.ref || x.is_entity || typeof x === 'string'
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@@ -52,7 +52,7 @@ module.exports = { DataService }
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/** @returns {cds.Service} */
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function findDataSource(dataSourceName, entityName) {
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for (let srv of cds.service.providers) { // all connected services
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for (let srv of Object.values(cds.services)) { // all connected services
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if (!srv.name) continue // FIXME intermediate/pending in cds.services ?
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if (dataSourceName === srv.name || entityName.startsWith(srv.name+'.')) {
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log._debug && log.debug(`using ${srv.name} as data source`)
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64
package-lock.json
generated
64
package-lock.json
generated
@@ -103,9 +103,9 @@
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}
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},
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"node_modules/@cap-js/hana": {
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"version": "2.1.1",
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"resolved": "https://registry.npmjs.org/@cap-js/hana/-/hana-2.1.1.tgz",
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"integrity": "sha512-4N/ByOd1N++7IEVwoSKyIqEXEzuAJE1qhpWhr3JM4LPoeCpvlv+Eki/YLIvCB06O7/PO8d2569Emjml/TwaJhQ==",
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"version": "2.1.2",
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"resolved": "https://registry.npmjs.org/@cap-js/hana/-/hana-2.1.2.tgz",
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"integrity": "sha512-QlcBoQt7ChoJUyBEoGWrIeGsBzX5B4lCx0HS4YAnS++14qb14I2xyKwWkdb+D+p42Rh5pIK1cE6xisUhdyr7nQ==",
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"license": "Apache-2.0",
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"dependencies": {
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"@cap-js/db-service": "^2.1.1",
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@@ -201,51 +201,51 @@
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}
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},
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"node_modules/@sap-cloud-sdk/connectivity": {
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"version": "4.0.2",
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"resolved": "https://registry.npmjs.org/@sap-cloud-sdk/connectivity/-/connectivity-4.0.2.tgz",
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"integrity": "sha512-20ok60K1PLezyngU3Zcp2Hx3R2rlPYNeebD+IcFhzHklJGhkJGWOBiWxSlCLhyi1hGmYIr5SIlXHe/6AvHC69Q==",
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"version": "4.1.0",
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"resolved": "https://registry.npmjs.org/@sap-cloud-sdk/connectivity/-/connectivity-4.1.0.tgz",
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"license": "Apache-2.0",
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"dependencies": {
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"@sap-cloud-sdk/resilience": "^4.0.2",
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"@sap-cloud-sdk/util": "^4.0.2",
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"@sap/xsenv": "^5.5.0",
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"@sap/xssec": "^4.4.0",
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"@sap-cloud-sdk/resilience": "^4.1.0",
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"@sap-cloud-sdk/util": "^4.1.0",
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"@sap/xsenv": "^5.6.1",
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"@sap/xssec": "^4.9.0",
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"async-retry": "^1.3.3",
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"axios": "^1.8.3",
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"axios": "^1.10.0",
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"jsonwebtoken": "^9.0.2"
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}
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},
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"node_modules/@sap-cloud-sdk/http-client": {
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"version": "4.0.2",
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"resolved": "https://registry.npmjs.org/@sap-cloud-sdk/http-client/-/http-client-4.0.2.tgz",
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"version": "4.1.0",
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"resolved": "https://registry.npmjs.org/@sap-cloud-sdk/http-client/-/http-client-4.1.0.tgz",
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"license": "Apache-2.0",
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"dependencies": {
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"@sap-cloud-sdk/connectivity": "^4.0.2",
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"@sap-cloud-sdk/resilience": "^4.0.2",
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"@sap-cloud-sdk/util": "^4.0.2",
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"axios": "^1.8.3"
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"@sap-cloud-sdk/connectivity": "^4.1.0",
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"@sap-cloud-sdk/resilience": "^4.1.0",
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"@sap-cloud-sdk/util": "^4.1.0",
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"axios": "^1.10.0"
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}
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},
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"node_modules/@sap-cloud-sdk/resilience": {
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"version": "4.0.2",
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"resolved": "https://registry.npmjs.org/@sap-cloud-sdk/resilience/-/resilience-4.0.2.tgz",
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"version": "4.1.0",
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"resolved": "https://registry.npmjs.org/@sap-cloud-sdk/resilience/-/resilience-4.1.0.tgz",
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"license": "Apache-2.0",
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"dependencies": {
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"@sap-cloud-sdk/util": "^4.0.2",
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"@sap-cloud-sdk/util": "^4.1.0",
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"async-retry": "^1.3.3",
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"axios": "^1.8.3",
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"opossum": "^8.4.0"
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"axios": "^1.10.0",
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"opossum": "^9.0.0"
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}
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},
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"node_modules/@sap-cloud-sdk/util": {
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"version": "4.0.2",
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"resolved": "https://registry.npmjs.org/@sap-cloud-sdk/util/-/util-4.0.2.tgz",
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"integrity": "sha512-HhBXWFkDnmpexTDT2Hwx5F39vmAg/q83HCxyOUZSiEZHfOWAflUAYO+oX4mniCkve51eGDQcn82kJeGl+jY9kg==",
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"version": "4.1.0",
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"resolved": "https://registry.npmjs.org/@sap-cloud-sdk/util/-/util-4.1.0.tgz",
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"integrity": "sha512-4OI7lYd2GHQDPysEwFvCKbZ0m40VA0C47rnxWvd6ExzkfT/cKzryesB4jA3vwvgRO14q8MKoG3RcR+9ZPzaeSw==",
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"license": "Apache-2.0",
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"dependencies": {
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"axios": "^1.8.3",
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"axios": "^1.10.0",
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"chalk": "^4.1.0",
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"logform": "^2.7.0",
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"voca": "^1.4.1",
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@@ -1771,12 +1771,12 @@
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}
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},
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"node_modules/opossum": {
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"version": "8.5.0",
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"resolved": "https://registry.npmjs.org/opossum/-/opossum-8.5.0.tgz",
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"version": "9.0.0",
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"resolved": "https://registry.npmjs.org/opossum/-/opossum-9.0.0.tgz",
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"integrity": "sha512-K76U0QkxOfUZamneQuzz+AP0fyfTJcCplZ2oZL93nxeupuJbN4s6uFNbmVCt4eWqqGqRnnowdFuBicJ1fLMVxw==",
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"license": "Apache-2.0",
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"engines": {
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"node": "^24 || ^22 || ^21 || ^20 || ^18 || ^16"
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"node": "^24 || ^22 || ^20"
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}
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},
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"node_modules/parseurl": {
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