service/src/main/java/com/example/civilizedcity/controller/SysRoleController.java

package com.example.civilizedcity.controller;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.example.civilizedcity.common.BaseController;
import com.example.civilizedcity.common.Constants;
import com.example.civilizedcity.common.ResponseBean;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.List;

import com.example.civilizedcity.common.StringUtils;
import com.example.civilizedcity.service.SysUserRoleService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import com.example.civilizedcity.entity.SysRole;
import com.example.civilizedcity.service.SysRoleService;

/**
 * 系统角色;(sys_role)表控制层
 *
 * @author : http://njyunzhi.com
 * @date : 2022-12-12
 */
@Api(tags = "系统角色对象功能接口")
@RestController
@RequestMapping("/")
public class SysRoleController extends BaseController {

    @Autowired
    private SysRoleService sysRoleService;

    @Autowired
    private SysUserRoleService sysUserRoleService;

    /**
     * 通过ID查询单条数据
     *
     * @param roleId 主键
     * @return 实例对象
     */
    @ApiOperation("通过ID查询单条数据")
    @GetMapping("/sysRole/{id}")
    public ResponseBean queryById(@ApiParam("对象ID") @PathVariable String id) throws Exception {
        return ResponseBean.success(sysRoleService.getById(id));
    }

    /**
     * 分页查询
     *
     * @param pageNum  当前页码
     * @param pageSize 每页条数
     * @return 查询结果
     */
    @ApiOperation("分页查询")
    @GetMapping("/sysRole")
    public ResponseBean list(@ApiParam("页码") @RequestParam(value = "pageNum", defaultValue = "1") Integer pageNum,
                             @ApiParam("单页数据量") @RequestParam(value = "pageSize", defaultValue = "10") Integer pageSize) throws Exception {

        IPage<SysRole> pg = new Page<>(pageNum, pageSize);
        QueryWrapper<SysRole> queryWrapper = new QueryWrapper<>();
//        queryWrapper.gt("status", Constants.STATUS_DELETE);
        queryWrapper.orderByDesc("create_date");
        IPage<SysRole> result = sysRoleService.page(pg, queryWrapper);

        return ResponseBean.success(result);
    }

    /**
     * 新增数据
     *
     * @param sysRole 实例对象
     * @return 实例对象
     */
    @ApiOperation("新增数据")
    @PostMapping("/sysRole")
    public ResponseBean add(@ApiParam("对象实体") @RequestBody SysRole sysRole) throws Exception {
        sysRole.setRoleId(null);

        if (StringUtils.isEmpty(sysRole.getName())) {
            return ResponseBean.error("角色名称不能为空");
        }

        long i = sysRoleService.countBy("name", sysRole.getName(), false);
        if (i > 0) {
            return ResponseBean.error("角色名称已存在");
        }

        sysRole.setStatus(Constants.STATUS_NORMAL);
        sysRole.setCreateDate(LocalDateTime.now());
        sysRoleService.save(sysRole);
        return ResponseBean.success(sysRole);
    }

    /**
     * 更新数据
     *
     * @param sysRole 实例对象
     * @return 实例对象
     */
    @ApiOperation("更新数据")
    @PutMapping("/sysRole/{id}")
    public ResponseBean edit(@ApiParam("对象实体") @RequestBody SysRole sysRole,
                             @ApiParam("对象ID") @PathVariable String id) throws Exception {

        if (StringUtils.isEmpty(sysRole.getName())) {
            return ResponseBean.error("角色名称不能为空");
        }

        SysRole exists = sysRoleService.getByButNot("name", sysRole.getName(), "role_id", id, false);
        if (null != exists) {
            return ResponseBean.error("角色名称已存在");
        }

        sysRole.setRoleId(id);
        sysRoleService.updateById(sysRole);
        return ResponseBean.success(sysRole);
    }

    /**
     * 通过主键删除数据
     *
     * @param roleId 主键
     * @return 是否成功
     */
    @ApiOperation("通过主键删除数据")
    @DeleteMapping("/sysRole/{id}")
    public ResponseBean deleteById(@ApiParam("对象ID") @PathVariable String id) {
        sysRoleService.removeById(id);
        sysUserRoleService.removeByMap(new HashMap<String, Object>() {{
            put("role_id", id);
        }});
        return ResponseBean.success("success");
    }
}