electripper-v2/ruoyi-web/src/main/java/com/ruoyi/web/app/AppAreaController.java

package com.ruoyi.web.app;

import java.math.BigDecimal;
import java.util.List;
import java.util.Objects;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.ruoyi.bst.area.domain.AreaQuery;
import com.ruoyi.bst.area.domain.enums.AreaStatus;
import com.ruoyi.bst.area.service.AreaDashboard;
import com.ruoyi.bst.area.service.AreaService;
import com.ruoyi.common.annotation.Anonymous;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.domain.vo.LongIntegerVO;
import com.ruoyi.common.utils.collection.CollectionUtils;

import io.swagger.annotations.ApiOperation;


@RestController
@RequestMapping("/app/area")
public class AppAreaController extends BaseController {
    
    @Autowired
    private AreaService areaService;

    @Autowired
    private AreaDashboard areaDashboard;

    // 设置前提条件
    private void setQuery(AreaQuery query) {
        query.setStatus(AreaStatus.ENABLED.getCode());
    }

    @ApiOperation("获取运营区详情")
    @GetMapping("/detail")
    @Anonymous
    public AjaxResult getAreaDetail(Long id) {
        AreaQuery query = new AreaQuery();
        query.setId(id);
        setQuery(query);
        return success(areaService.selectOne(query));
    }

    @ApiOperation("获取附近的运营区")
    @GetMapping("/nearby")
    @Anonymous
    public AjaxResult getNearbyArea(AreaQuery query) {
        if (query.getRadius() == null || query.getRadius().compareTo(BigDecimal.ZERO) <= 0 || query.getRadius().compareTo(BigDecimal.valueOf(10000)) > 0) {
            return error("半径必须在0-10000之间");
        }
        if (query.getCenter() == null) {
            return error("中心坐标不能为空");
        }
        if (query.getCenter().size() != 2) {
            return error("中心坐标格式错误，必须包含经度和纬度");
        }
        setQuery(query);

        // 按设备数量排序，查询附近的运营区
        Long areaId = query.getId();
        query.setId(null);
        List<LongIntegerVO> list = areaDashboard.selectMaxOfDeviceCountAreaId(query);
        if (CollectionUtils.isEmptyElement(list)) {
            return success();
        }

        // 如果有传运营区ID，则优先找运营区
        LongIntegerVO max = null;
        if (areaId != null) {
            max = list.stream().filter(item -> Objects.equals(item.getKey(), areaId)).findFirst().orElse(null);
        }
        // 若没有找到对应运营区，则取设备数量最多的运营区
        if (max == null) {
            max = list.get(0);
        }

        // 查询运营区详情
        return success(areaService.selectAreaById(max.getKey()));
    }
    
}