package com.power.travel.service;
import com.power.travel.core.Result;
import com.power.travel.core.ResultGenerator;
import com.power.travel.core.ServiceException;
import com.power.travel.enums.StatusEnum;
import com.power.travel.model.*;
import com.power.travel.repository.*;
import com.power.travel.util.CookieUitl;
import com.power.travel.util.IdGenerator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.thymeleaf.util.StringUtils;
import javax.persistence.criteria.Predicate;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Random;
@Service
public class SystemService {
@Autowired
private SysUserRepository sysUserRepository;
@Autowired
private UserRepository userRepository;
@Autowired
private HotelRepository hotelRepository;
@Autowired
private AttractionsRepository attractionsRepository;
@Autowired
private TravelRouteRepository travelRouteRepository;
@Autowired
private TravelStrategyRepository travelStrategyRepository;
private Random random = new Random(100);
public Result login(SysUser sysUser, HttpServletResponse response) {
SysUser sysUserByUsrname = sysUserRepository.findSysUserByUsername(sysUser.getUsername());
if (sysUserByUsrname == null) {
return ResultGenerator.genFailResult("用户名错误!");
} else {
if (sysUser.getPassword().equals(sysUserByUsrname.getPassword())) {
CookieUitl.set(response, "sysUsername", sysUser.getUsername(), 3600);
return ResultGenerator.genSuccessResult();
} else {
return ResultGenerator.genFailResult("密码错误");
}
}
}
public void logout(HttpServletRequest request, HttpServletResponse response) {
Cookie cookie = CookieUitl.get(request, "sysUsername");
if (cookie != null) {
CookieUitl.set(response, "sysUsername", null, 0);
}
}
public Page<User> getUserPage(Pageable pageable) {
Page<User> userPage = userRepository.findAll((root, query, cb) -> {
List<Predicate> predicates = new ArrayList<>();
query.where(predicates.toArray(new Predicate[]{}));
query.orderBy(cb.desc(root.get("id")));
return null;
}, pageable);
return userPage;
}
@Transactional(rollbackFor = Exception.class)
public Result saveUser(User user) {
System.out.println(user.getId());
if (StringUtils.isEmpty(user.getId())) {//没有id的情况
user.setId(IdGenerator.id());
} else {
User oldUser = getUserById(user.getId());
user.setUsername(oldUser.getUsername());
user.setName(oldUser.getName());
oldUser.setPassword(user.getPassword());
}
userRepository.saveAndFlush(user);
return ResultGenerator.genSuccessResult();
}
public User getUserById(String id) {
User user = userRepository.findById(id).orElseThrow(() -> new ServiceException("用户ID错误"));
return user;
}
public Page<Hotel> getHotelPage(Pageable pageable) {
Page<Hotel> hotelPage = hotelRepository.findAll((root, query, cb) -> {
List<Predicate> predicates = new ArrayList<>();
query.where(predicates.toArray(new Predicate[]{}));
query.orderBy(cb.desc(root.get("createDate")));
return null;
}, pageable);
return hotelPage;
}
@Transactional(rollbackFor = Exception.class)
public Result saveHotel(Hotel hotel) {
if (StringUtils.isEmpty(hotel.getId())) {//没有id的情况
hotel.setId(IdGenerator.id());
hotel.setStatus(StatusEnum.DOWM_STATUS.getCode());
hotel.setCreateDate(new Date());
int i = random.nextInt(100);
hotel.setImage("MY_kezhan_0" + (i % 8 + 1));
} else {
//有id的情况
Hotel oldHotel = getHotelById(hotel.getId());
hotel.setStatus(oldHotel.getStatus());
hotel.setCreateDate(oldHotel.getCreateDate());
hotel.setImage(oldHotel.getImage());
}
hotelRepository.saveAndFlush(hotel);
return ResultGenerator.genSuccessResult();
}
public Hotel getHotelById(String id) {
Hotel hotel = hotelRepository.findById(id).orElseThrow(() -> new ServiceException("酒店ID错误!"));
return hotel;
}
public Result updateStatus(String id) {
Hotel hotel = getHotelById(id);
if (hotel.getStatus().equals(StatusEnum.DOWM_STATUS.getCode())) {
//改变状态
hotel.setStatus(StatusEnum.UP_STATUS.getCode());
} else {
hotel.setStatus(StatusEnum.DOWM_STATUS.getCode());
}
hotelRepository.saveAndFlush(hotel);
return ResultGenerator.genSuccessResult();
}
public Page<Attractions> getAttractionsPage(Pageable pageable) {
Page<Attractions> attractionsPage = attractionsRepository.findAll((root, query, cb) -> {
List<Predicate> predicates = new ArrayList<>();
query.where(predicates.toArray(new Predicate[]{}));
query.orderBy(cb.desc(root.get("createDate")));
return null;
}, pageable);
return attractionsPage;
}
public Attractions getAttractionsById(String id) {
Attractions attractions = attractionsRepository.findById(id).orElseThrow(() -> new ServiceException("景点ID错误"));
return attractions;
}
public Result updateAttractionsStatus(String id) {
Attractions attractions = getAttractionsById(id);
if (attractions.getStatus().equals(StatusEnum.DOWM_STATUS.getCode())) {
//改变状态
attractions.setStatus(StatusEnum.UP_STATUS.getCode());
} else {
attractions.setStatus(StatusEnum.DOWM_STATUS.getCode());
}
attractionsRepository.saveAndFlush(attractions);
return ResultGenerator.genSuccessResult();
}
@Transactional(rollbackFor = Exception.class)
public Result saveAttractions(Attractions attractions) {
if (StringUtils.isEmpty(attractions.getId())) {//没有id的情况
attractions.setId(IdGenerator.id());
attractions.setStatus(StatusEnum.DOWM_STATUS.getCode());
attractions.setCreateDate(new Date());
int i = random.nextInt(100);
attractions.setImage("MY_jingdian_0" + (i % 8 + 1));
} else {
//有id的情况
Attractions oldAttractions = getAttractionsById(attractions.getId());
attractions.setStatus(oldAttractions.getStatus());
attractions.setCreateDate(oldAttractions.getCreateDate());
attractions.setImage(oldAttractions.getImage());
}
attractionsRepository.saveAndFlush(attractions);
return ResultGenerator.genSuccessResult();
}
public Page<TravelRoute> getTravelRoutePage(Pageable pageable) {
Page<TravelRoute> travelRoutePage = travelRouteRepository.findAll((root, query, cb) -> {
List<Predicate> predicates = new ArrayList<>();
query.where(predicates.toArray(new Predicate[]{}));
query.orderBy(cb.desc(root.get("createDate")));
return null;
}, pageable);
return travelRoutePage;
}
@Transactional(rollbackFor = Exception.class)
public Result saveTravelRoute(TravelRoute travelRoute) {
if (StringUtils.isEmpty(travelRoute.getId())) {//没有id的情况
travelRou
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