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/*
* -
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
import {Component, EventEmitter, Input, OnInit, Output} from '@angular/core';
import {YamlFunction} from "../../../../../models/yaml-function";
import {FormControl, FormGroup, Validators, AbstractControl, ValidationErrors, ValidatorFn} from "@angular/forms";
import * as jsYaml from 'js-yaml';
@Component({
selector: 'app-yaml-function',
templateUrl: './yaml-function.component.html',
styleUrls: ['./yaml-function.component.less']
})
export class YamlFunctionComponent implements OnInit {
@Input() yamlFunction: YamlFunction;
@Output() onValidityChange: EventEmitter<YamlFunctionValidationEvent> = new EventEmitter<YamlFunctionValidationEvent>();
yamlValueForm: FormControl = new FormControl('', [Validators.minLength(1), YamlValidator()]);
formGroup: FormGroup = new FormGroup(
{
'value': this.yamlValueForm
}
);
ngOnInit() {
this.formGroup.valueChanges.subscribe(() => {
this.onValidityChange.emit({
isValid: this.formGroup.valid,
value: this.formGroup.valid ? this.buildYamlFunctionFromForm() : undefined
});
});
if (this.yamlFunction) {
this.yamlValueForm.setValue(this.yamlFunction.value);
}
}
private buildYamlFunctionFromForm(): YamlFunction {
const yamlFunction = new YamlFunction();
yamlFunction.value = this.yamlValueForm.value;
return yamlFunction;
}
}
export class YamlFunctionValidationEvent {
isValid: boolean;
value: YamlFunction;
}
export function YamlValidator(): ValidatorFn {
return (control: AbstractControl): ValidationErrors | null => {
if (!control.value) {
return {invalidYaml: {value: control.value}};
}
try {
jsYaml.load(control.value);
return null;
} catch (e) {
return {invalidYaml: {value: control.value}};
}
};
}
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