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path: root/catalog-ui/src/app/ng2/pipes/filterChildProperties.pipe.ts
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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

import { Pipe, PipeTransform } from '@angular/core';
import { DerivedFEProperty } from 'app/models';

@Pipe({
    name: 'filterChildProperties',
})
export class FilterChildPropertiesPipe implements PipeTransform {
    public transform(childProperties: Array<DerivedFEProperty>, parentId: string) {
        if (!parentId || !childProperties) return childProperties;

        let validParents: Array<string> = [parentId];
        while (parentId.lastIndexOf('#') > 0) {
            parentId = parentId.substring(0, parentId.lastIndexOf('#'));
            validParents.push(parentId);
        }
        return childProperties.filter(derivedProp => validParents.indexOf(derivedProp.parentName) > -1);
    }
}