49 lines
1.4 KiB
JavaScript
49 lines
1.4 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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let parent = model.get(options.parent);
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let collection = parent.get(options.attributeInParent);
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if (options.ignoreNewRecords) {
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// ignore records while saving cause otherwise the record
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// being created itself is considered a duplicate while saving
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collection = collection.filter((_) => !_.isNew);
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}
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let positionInCollection = collection.indexOf(model);
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let elementsBefore = positionInCollection !== -1 ? collection.slice(0, positionInCollection) : collection;
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let 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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