src/app/customers/cases/store/cases.reducer.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 {ResourceState} from '../../../common/store/resource.reducer';
import * as caseActions from './case.actions';
import {CaseState} from '../../../services/portfolio/domain/case-state.model';

export const initialState: ResourceState = {
  ids: [],
  entities: {},
  loadedAt: {},
  selectedId: null,
};

export function reducer(state = initialState, action: caseActions.Actions): ResourceState {

  switch (action.type) {

    case caseActions.EXECUTE_COMMAND_SUCCESS: {
      const payload = action.payload;

      const caseId = payload.caseId;
      const commandAction: string = payload.action;

      const caseInstance = state.entities[caseId];

      let caseState: CaseState = null;

      if (commandAction === 'OPEN') {
        caseState = 'PENDING';
      }else if (commandAction === 'APPROVE') {
        caseState = 'APPROVED';
      }else if (commandAction === 'DENY') {
        caseState = 'CLOSED';
      }else if (commandAction === 'CLOSE') {
        caseState = 'CLOSED';
      }else if (commandAction === 'DISBURSE') {
        caseState = 'ACTIVE';
      }

      caseInstance.currentState = caseState;

      return {
        ids: [ ...state.ids ],
        entities: Object.assign({}, state.entities, {
          [caseInstance.identifier]: caseInstance
        }),
        loadedAt: state.loadedAt,
        selectedId: state.selectedId
      };
    }

    default: {
      return state;
    }
  }
}