gunshi-project-ss/src/main/java/com/gunshi/project/xyt/controller/SysDictBController.java

package com.gunshi.project.xyt.controller;

import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.gunshi.core.result.R;
import com.gunshi.project.xyt.entity.page.GenericPageParams;
import com.gunshi.project.xyt.model.SysDictB;
import com.gunshi.project.xyt.service.SysDictBService;
import com.gunshi.project.xyt.validate.markers.Insert;
import com.gunshi.project.xyt.validate.markers.Update;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.io.Serializable;
import java.util.List;
import java.util.Objects;

/**
 * 描述: 系统字典表
 * author: xusan
 * date: 2024-07-08 17:40:37
 */
@Tag(name = "系统字典表")
@RestController
@RequestMapping(value="/sysDictB")
public class SysDictBController {

    @Autowired
    private SysDictBService service;


    @Operation(summary = "新增")
    @PostMapping("/insert")
    public R<SysDictB> insert(@Validated(Insert.class) @RequestBody SysDictB dto) {

        if (StringUtils.isNotBlank(dto.getDictNm())){
            if (service.lambdaQuery().eq(SysDictB::getDictNm,dto.getDictNm())
                    .count() > 0) {
                throw new IllegalArgumentException("当前名称已存在");
            }
        }
        if (Objects.nonNull(dto.getPid())){
            if (service.lambdaQuery().eq(SysDictB::getId,dto.getPid())
                    .count() == 0) {
                throw new IllegalArgumentException("当父级不存在");
            }
        }
        boolean result = service.save(dto);
        return R.ok(result ? dto : null);
    }

    @Operation(summary = "修改")
    @PostMapping("/update")
    public R<SysDictB> update(@Validated(Update.class) @RequestBody SysDictB dto) {

        if (StringUtils.isNotBlank(dto.getDictNm())){
            if (service.lambdaQuery().eq(SysDictB::getDictNm,dto.getDictNm())
                    .count() > 0) {
                throw new IllegalArgumentException("当前名称已存在");
            }
        }
        if (Objects.nonNull(dto.getPid())){
            if (service.lambdaQuery().eq(SysDictB::getId,dto.getPid())
                    .count() == 0) {
                throw new IllegalArgumentException("当父级不存在");
            }
        }
        boolean result = service.updateById(dto);
        return R.ok(result ? dto : null);
    }

    @Operation(summary = "删除")
    @GetMapping("/del/{id}")
    public R<Boolean> del(@Schema(name = "id") @PathVariable("id") Serializable id) {
        if (Objects.isNull(service.getById(id))) {
            throw new IllegalArgumentException("当前数据不存在");
        }
        return R.ok(service.removeById(id));
    }

    @Operation(summary = "列表 通过父id查子项")
    @PostMapping("/list")
    public R<List<SysDictB>> list(@RequestBody SysDictB dto) {
        LambdaQueryChainWrapper<SysDictB> query = service.lambdaQuery();
        Long pid = dto.getPid();
        if (Objects.nonNull(pid)){
            query.eq(SysDictB::getPid, pid);
        }
        return R.ok(query.list());
    }

    @Operation(summary = "分页 只查父项")
    @PostMapping("/page")
    public R<Page<SysDictB>> page(@RequestBody GenericPageParams page) {

        Page<SysDictB> data = service.page(page.getPageSo().toPage(), service.lambdaQuery().isNull(SysDictB::getPid));
        return R.ok(data);
    }

    @Operation(summary = "树")
    @GetMapping("/tree")
    public R<List<SysDictB>> tree() {
        return R.ok(service.tree());
    }


}