content: /*
   *  Copyright (C) 2016-2017 Stichting Akvo (Akvo Foundation)
   *
   *  This file is part of Akvo FLOW.
   *
   *  Akvo FLOW is free software: you can redistribute it and modify it under the terms of
   *  the GNU Affero General Public License (AGPL) as published by the Free Software Foundation,
   *  either version 3 of the License or any later version.
   *
   *  Akvo FLOW is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   *  See the GNU Affero General Public License included below for more details.
   *
   *  The full license text can also be seen at <http://www.gnu.org/licenses/agpl.html>.
   */
  
  package org.waterforpeople.mapping.app.web.rest;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestBody;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.ResponseBody;
  import org.waterforpeople.mapping.app.web.dto.ApprovalStepDTO;
  import org.waterforpeople.mapping.app.web.rest.dto.ApprovalStepPayload;
  import org.waterforpeople.mapping.app.web.rest.dto.RestStatusDto;
  
  import com.gallatinsystems.common.Constants;
  import com.gallatinsystems.survey.dao.ApprovalStepDAO;
  import com.gallatinsystems.survey.domain.ApprovalStep;
  
  @Controller
  @RequestMapping("/approval_steps")
  public class ApprovalStepRestService {
  
      private ApprovalStepDAO approvalStepDao = new ApprovalStepDAO();
  
      /**
       * Create a new ApprovalStep from posted payload.
       *
       * @param requestPayload
       * @return
       */
      @RequestMapping(method = RequestMethod.POST, value = "")
      @ResponseBody
      public Map<String, Object> createApprovalStep(
              @RequestBody ApprovalStepPayload approvalStepPayload) {
          final Map<String, Object> response = new HashMap<String, Object>();
          final ApprovalStep step = approvalStepPayload.getApproval_step().getApprovalStep();
          final RestStatusDto status = new RestStatusDto();
  
          if (step.getApprovalGroupId() == 0L || step.getTitle() == null
                  || step.getTitle().trim().isEmpty()) {
              return null;
          }
  
          response.put("approval_step", new ApprovalStepDTO(approvalStepDao.save(step)));
          response.put("meta", status);
          return response;
      }
  
      /**
       * Update an existing approval step
       *
       * @return
       */
      @RequestMapping(method = RequestMethod.PUT, value = "/{approvalStepId}")
      @ResponseBody
      public Map<String, Object> updateApprovalStep(
              @RequestBody ApprovalStepPayload approvalStepPayload, @PathVariable Long approvalStepId) {
          final Map<String, Object> response = new HashMap<String, Object>();
          final RestStatusDto status = new RestStatusDto();
          final ApprovalStep updatedStep = approvalStepPayload.getApproval_step().getApprovalStep();
  
          if (updatedStep.getApprovalGroupId() == 0L || updatedStep.getTitle() == null
                  || updatedStep.getTitle().trim().isEmpty()) {
              return null;
          }
  
          final ApprovalStep storedStep = approvalStepDao.getByKey(approvalStepId);
          if (storedStep != null) {
              updatedStep.setKey(storedStep.getKey());
              response.put("approval_step",
                      new ApprovalStepDTO(approvalStepDao.save(updatedStep)));
          }
          response.put("meta", status);
  
          return response;
      }
  
      /**
       * Delete existing approval step
       */
      @RequestMapping(method = RequestMethod.DELETE, value = "/{approvalStepId}")
      @ResponseBody
      public void deleteApprovalStep(@PathVariable Long approvalStepId) {
          final ApprovalStep approvalStep = approvalStepDao.getByKey(approvalStepId);
          if (approvalStep != null) {
              approvalStepDao.delete(approvalStep);
          }
      }
  
      /**
       * List a specific ApprovalStep
       *
       * @return
       */
      @RequestMapping(method = RequestMethod.GET, value = "/{approvalStepId}")
      @ResponseBody
      public Map<String, ApprovalStepDTO> findApprovalStep(@PathVariable Long approvalStepId) {
          Map<String, ApprovalStepDTO> response = new HashMap<String, ApprovalStepDTO>();
  
          ApprovalStep approvalStep = approvalStepDao.getByKey(approvalStepId);
          if (approvalStep != null) {
              response.put("approval_step", new ApprovalStepDTO(approvalStep));
          }
          return response;
      }
  
      /**
       * List all the approval steps or filter them by a specific approval group
       *
       * @return
       */
      @RequestMapping(method = RequestMethod.GET)
      @ResponseBody
      public Map<String, List<ApprovalStepDTO>> listApprovalSteps(
              @RequestParam(value = "approvalGroupId", required = false) Long approvalGroupId) {
          Map<String, List<ApprovalStepDTO>> response = new HashMap<String, List<ApprovalStepDTO>>();
          List<ApprovalStep> stepsList = new ArrayList<ApprovalStep>();
          if (approvalGroupId != null) {
              stepsList.addAll(approvalStepDao.listByApprovalGroup(approvalGroupId));
          } else {
              stepsList.addAll(approvalStepDao.list(Constants.ALL_RESULTS));
          }
  
          List<ApprovalStepDTO> stepsDtoList = new ArrayList<ApprovalStepDTO>();
          for (ApprovalStep step : stepsList) {
              stepsDtoList.add(new ApprovalStepDTO(step));
          }
          response.put("approval_steps", stepsDtoList);
          return response;
      }
  }
  