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* 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
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
import {Action, ActionReducer} from '@ngrx/store';
import {Error} from '../../sevices/domain/error.model';
export interface FormState {
error?: Error;
export const initialState: FormState = {};
export const createFormReducer = (resource: string, reducer?: ActionReducer<FormState>) => {
return function(state: FormState = initialState, action: Action): FormState {
switch (action.type) {
case `[${resource}] Create Fail`:
case `[${resource}] Update Fail`: {
return Object.assign({}, state, {
error: action.payload
case `[${resource}] Reset Form`:
case `[${resource}] Create Success`:
case `[${resource}] Update Success`: {
return initialState;
default: {
// delegate to wrapped reducer
if (reducer) {
return reducer(state, action);
return state;
export const getFormError = (formState: FormState) => formState.error;