package com.rongyichuang.region.resolver;
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import com.rongyichuang.region.entity.Region;
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import com.rongyichuang.region.service.RegionService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.domain.Page;
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import org.springframework.graphql.data.method.annotation.Argument;
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import org.springframework.graphql.data.method.annotation.MutationMapping;
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import org.springframework.graphql.data.method.annotation.QueryMapping;
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import org.springframework.stereotype.Controller;
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import java.util.List;
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import java.util.Optional;
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@Controller
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public class RegionResolver {
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@Autowired
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private RegionService regionService;
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/**
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* 分页查询区域
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*/
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@QueryMapping(name = "regions")
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public RegionPageResult regions(@Argument String name,
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@Argument Integer state,
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@Argument int page,
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@Argument int size) {
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Page<Region> regionPage = regionService.findRegions(name, state, page, size);
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return new RegionPageResult(
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regionPage.getContent(),
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regionPage.getTotalElements(),
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regionPage.getTotalPages(),
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regionPage.getNumber(),
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regionPage.getSize()
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);
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}
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/**
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* 查询所有区域
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*/
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@QueryMapping(name = "allRegions")
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public List<Region> allRegions() {
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return regionService.findAllRegions();
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}
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/**
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* 根据ID查询区域
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*/
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@QueryMapping(name = "region")
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public Region region(@Argument Long id) {
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Optional<Region> region = regionService.findById(id);
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return region.orElse(null);
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}
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/**
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* 获取省级区域列表
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*/
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@QueryMapping(name = "provinces")
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public List<Region> provinces() {
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return regionService.getProvinces();
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}
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/**
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* 获取指定省份下的城市列表
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*/
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@QueryMapping(name = "cities")
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public List<Region> cities(@Argument Long provinceId) {
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return regionService.getCitiesByProvinceId(provinceId);
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}
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/**
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* 获取指定城市下的区县列表
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*/
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@QueryMapping(name = "districts")
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public List<Region> districts(@Argument Long cityId) {
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return regionService.getDistrictsByCityId(cityId);
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}
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/**
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* 获取子区域列表
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*/
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@QueryMapping(name = "regionChildren")
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public List<Region> regionChildren(@Argument Long parentId) {
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return regionService.getChildren(parentId);
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}
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/**
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* 保存区域（新增或更新）
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*/
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@MutationMapping(name = "saveRegion")
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public Region saveRegion(@Argument RegionInput input) {
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Region region = new Region();
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if (input.getId() != null) {
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Optional<Region> existingRegion = regionService.findById(input.getId());
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if (existingRegion.isPresent()) {
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region = existingRegion.get();
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}
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}
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region.setName(input.getName());
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region.setPid(input.getPid());
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region.setCode(input.getCode());
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region.setLevel(input.getLevel());
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region.setLeafFlag(input.getLeafFlag());
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region.setState(input.getState());
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region.setFullPath(input.getFullPath());
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return regionService.saveRegion(region);
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}
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/**
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* 删除区域
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*/
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@MutationMapping(name = "deleteRegion")
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public Boolean deleteRegion(@Argument Long id) {
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try {
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regionService.deleteRegion(id);
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return true;
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} catch (Exception e) {
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return false;
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}
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}
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/**
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* 切换区域状态
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*/
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@MutationMapping(name = "toggleRegionState")
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public Region toggleRegionState(@Argument Long id) {
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return regionService.toggleRegionState(id);
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}
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// 内部类：分页结果
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public static class RegionPageResult {
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private List<Region> content;
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private long totalElements;
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private int totalPages;
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private int currentPage;
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private int pageSize;
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public RegionPageResult(List<Region> content, long totalElements, int totalPages, int currentPage, int pageSize) {
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this.content = content;
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this.totalElements = totalElements;
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this.totalPages = totalPages;
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this.currentPage = currentPage;
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this.pageSize = pageSize;
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}
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// Getters
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public List<Region> getContent() { return content; }
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public long getTotalElements() { return totalElements; }
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public int getTotalPages() { return totalPages; }
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public int getCurrentPage() { return currentPage; }
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public int getPageSize() { return pageSize; }
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}
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// 内部类：输入参数
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public static class RegionInput {
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private Long id;
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private String name;
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private Long pid;
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private String code;
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private Integer level;
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private Boolean leafFlag;
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private String fullPath;
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private Integer state;
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// Getters and Setters
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public Long getId() { return id; }
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public void setId(Long id) { this.id = id; }
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public String getName() { return name; }
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public void setName(String name) { this.name = name; }
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public Long getPid() { return pid; }
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public void setPid(Long pid) { this.pid = pid; }
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public String getCode() { return code; }
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public void setCode(String code) { this.code = code; }
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public Integer getLevel() { return level; }
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public void setLevel(Integer level) { this.level = level; }
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public Boolean getLeafFlag() { return leafFlag; }
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public void setLeafFlag(Boolean leafFlag) { this.leafFlag = leafFlag; }
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public String getFullPath() { return fullPath; }
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public void setFullPath(String fullPath) { this.fullPath = fullPath; }
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public Integer getState() { return state; }
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public void setState(Integer state) { this.state = state; }
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}
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}
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