42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
import { isArray } from '@ember/array';
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import { isPresent, isEmpty } from '@ember/utils';
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import { assert } from '@ember/debug';
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import BaseValidator from 'ember-cp-validations/validators/base';
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export default BaseValidator.extend({
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validate(value, options, model, attribute) {
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assert(
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'options.parent is required',
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isPresent(options.parent)
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);
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assert(
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'options.attributeInParent is required',
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isPresent(options.attributeInParent)
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);
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assert(
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'options.dependentKeys is required',
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isArray(options.dependentKeys) && options.dependentKeys.length > 0
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);
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if (options.disable) {
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return true;
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}
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// ignore empty values
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if (isEmpty(value)) {
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return true;
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}
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const parent = model.get(options.parent);
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const collection = parent.get(options.attributeInParent);
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const positionInCollection = collection.indexOf(model);
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const elementsBefore = positionInCollection !== -1 ? collection.slice(0, positionInCollection) : collection;
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const matches = elementsBefore.findBy(attribute, value);
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if (matches) {
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return this.createErrorMessage('unique', value, options);
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} else {
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return true;
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}
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}
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});
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