src/app/loans/products/form/moratorium/moratorium.component.ts

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
import {FormComponent} from '../../../../common/forms/form.component';
import {Component, Input} from '@angular/core';
import {Moratorium} from '../../../../services/portfolio/domain/individuallending/moratorium.model';
import {AbstractControl, FormArray, FormBuilder, FormGroup, Validators} from '@angular/forms';
import {temporalOptionList} from '../../../../common/domain/temporal.domain';

@Component({
  selector: 'fims-product-moratorium-form',
  templateUrl: './moratorium.component.html'
})
export class ProductMoratoriumFormComponent extends FormComponent<Moratorium[]> {

  temporalOptions = temporalOptionList;

  @Input('formData') set formData(moratoriums: Moratorium[]){
    moratoriums = moratoriums || [];
    this.form = this.formBuilder.group({
      moratoriums: this.initMoratoriums(moratoriums),
    });
  }

  constructor(private formBuilder: FormBuilder) {
    super();
  }

  get formData(): Moratorium[] {
    return null;
  }

  private initMoratoriums(moratoriums: Moratorium[]): FormArray {
    const formControls: FormGroup[] = [];
    moratoriums.forEach(value => formControls.push(this.initMoratorium(value)));
    return this.formBuilder.array(formControls);
  }

  private initMoratorium(moratorium?: Moratorium): FormGroup {
    return this.formBuilder.group({
      period: [moratorium ? moratorium.period : '1', Validators.required],
      chargeTask: [moratorium ? moratorium.chargeTask : '', Validators.required],
      temporalUnit: [moratorium ? moratorium.temporalUnit : 'WEEKS', Validators.required]
    });
  }

  addMoratorium(): void {
    const moratoriums: FormArray = this.form.get('moratoriums') as FormArray;
    moratoriums.push(this.initMoratorium());
  }

  removeMoratorium(index: number): void {
    const moratoriums: FormArray = this.form.get('moratoriums') as FormArray;
    moratoriums.removeAt(index);
  }

  get moratoriums(): AbstractControl[] {
    const moratoriums: FormArray = this.form.get('moratoriums') as FormArray;
    return moratoriums.controls;
  }
}