com.msyla.usergreeter.user.web.UserPreferenceResource.java Source code

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/*
 * The MIT License
 *
 * Copyright 2016 Modest Syla.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.msyla.usergreeter.user.web;

import com.msyla.usergreeter.user.dto.UserPreferenceDto;
import com.msyla.usergreeter.user.service.UserPreferenceService;
import java.util.ArrayList;
import java.util.List;
import javax.validation.Valid;
import javax.validation.constraints.NotNull;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.hateoas.Link;
import org.springframework.hateoas.mvc.ControllerLinkBuilder;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
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.springframework.web.util.UriComponentsBuilder;

@Controller
@RequestMapping("/api/user/preferences")
public class UserPreferenceResource {

    @Autowired
    private UserPreferenceService service;

    @RequestMapping(method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE)
    public ResponseEntity<UserPreferenceDto> create(
            @NotNull(message = "{userPreference.null}") @Valid @RequestBody UserPreferenceDto dto,
            UriComponentsBuilder builder) {
        UserPreferenceDto savedDto = service.create(dto);

        Link link = ControllerLinkBuilder.linkTo(UserPreferenceResource.class).slash(savedDto.getKey())
                .withSelfRel();
        savedDto.add(link);

        HttpHeaders headers = new HttpHeaders();
        headers.setLocation(builder.path("/api/user/preferences/{id}").buildAndExpand(savedDto.getKey()).toUri());
        return new ResponseEntity<>(savedDto, headers, HttpStatus.CREATED);
    }

    @RequestMapping(value = "/{id}", method = RequestMethod.GET)
    public ResponseEntity<UserPreferenceDto> getById(@PathVariable Long id) {

        UserPreferenceDto dto = service.getById(id);

        return new ResponseEntity<>(dto, HttpStatus.OK);
    }

    @RequestMapping(method = RequestMethod.GET)
    public @ResponseBody List<UserPreferenceDto> getAll(@RequestParam(required = false) String firstName) {
        List<UserPreferenceDto> dtos = new ArrayList<>();
        if (StringUtils.isNotBlank(firstName)) {
            UserPreferenceDto dto = service.getByFirstName(firstName);
            if (dto != null) {
                dtos.add(dto);
            }
        } else {
            dtos.addAll(service.getAll());
        }
        return dtos;
    }

    @RequestMapping(value = "/{id}", method = RequestMethod.PUT)
    public ResponseEntity<UserPreferenceDto> update(@PathVariable Long id,
            @RequestBody @Valid UserPreferenceDto dto, UriComponentsBuilder builder) {

        UserPreferenceDto updatedDto = service.update(id, dto);

        Link link = ControllerLinkBuilder.linkTo(UserPreferenceResource.class).slash(updatedDto.getKey())
                .withSelfRel();
        updatedDto.add(link);

        HttpHeaders headers = new HttpHeaders();
        headers.setLocation(builder.path("/api/user/preferences/{id}").buildAndExpand(updatedDto.getKey()).toUri());
        return new ResponseEntity<>(updatedDto, headers, HttpStatus.CREATED);
    }
}