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/*
 * Copyright (c) 2014-2019 Aurélien Broszniowski
 *
 * 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.
 */

package io.rainfall.store.controllers;

import io.rainfall.store.dataset.ChildDataset;
import io.rainfall.store.dataset.ChildRecord;
import io.rainfall.store.dataset.Record;
import org.springframework.http.ResponseEntity;
import org.springframework.ui.ModelMap;
import org.springframework.web.servlet.ModelAndView;

import java.util.List;

import static org.springframework.http.HttpStatus.CREATED;


abstract class ChildController<
    V,
    R extends ChildRecord,
    PR extends Record,
    S extends ChildDataset
    >
    extends DatasetController {

  ChildController(S dataset, String valueName, String path) {
    super(dataset, valueName, path);
  }

  ResponseEntity post(long parentId, V value) {
    long id = dataset().save(parentId, value)
        .getId();
    return post(id, CREATED);
  }

  ModelAndView getByParentId(ModelMap model, long parentId) {
    List records = dataset().findByParentId(parentId);
    return getRecords(model, records);
  }

  ModelAndView getRecords(ModelMap model, List records) {
    String viewName = path.replaceAll("^/", "");
    model.addAttribute(viewName, records);
    return new ModelAndView(viewName, model);
  }
}