<?php
namespace app\operations\controller\plus\business;

use app\operations\controller\Controller;
use app\operations\model\plus\business\Industry as IndustryModel;
use think\facade\Cache;

class Industry extends Controller
{
    /**
     * 行业列表
     */
    public function index()
    {
        $model = new IndustryModel;
        $list = $model->getALL();
        return $this->renderSuccess('',compact('list'));
    }

    /**
     * 行业详情
     */
    public function detail($industry_id)
    {
        $industry = IndustryModel::detail($industry_id);
        if (!$industry) {
            return $this->renderError('行业不存在');
        }
        return $this->renderSuccess(compact('industry'));
    }

    /**
     * 添加行业
     */
    public function add()
    {
        $model = new IndustryModel;
        // 获取post数据
        $data = $this->request->post();
        // 添加行业
        if ($model->add($data)) {
            // 清理缓存
            Cache::tag('cache')->clear();
            return $this->renderSuccess('添加成功');
        }
        return $this->renderError($model->getError() ?: '添加失败');
    }

    /**
     * 编辑行业
     */
    public function edit($industry_id)
    {
        // 行业详情
        $industry = IndustryModel::detail($industry_id);
        if (!$industry) {
            return $this->renderError('行业不存在');
        }
        // 验证表单
        if (!$this->request->isPost()) {
            return $this->renderError('请求方式错误');
        }
        // 获取post数据
        $data = $this->request->post();
        // 编辑行业
        if ($industry->edit($data)) {
            // 清理缓存
            Cache::tag('cache')->clear();
            return $this->renderSuccess('编辑成功');
        }
        return $this->renderError($industry->getError() ?: '编辑失败');
    }

    /**
     * 删除行业
     */
    public function delete($industry_id)
    {
        // 行业详情
        $industry = IndustryModel::detail($industry_id);
        if (!$industry) {
            return $this->renderError('行业不存在');
        }
        // 检查是否有子行业
        if (IndustryModel::hasSubIndustry($industry_id)) {
            return $this->renderError('该行业下存在子行业，无法删除');
        }
        // 删除行业
        if ($industry->delete()) {
            // 清理缓存
            Cache::tag('cache')->clear();
            return $this->renderSuccess('删除成功');
        }
        return $this->renderError('删除失败');
    }

    /**
     * 获取一级行业列表
     */
    public function getFirstIndustry()
    {
        $list = IndustryModel::getFirstIndustry();
        return $this->renderSuccess(compact('list'));
    }

    /**
     * 根据上级ID获取子行业
     */
    public function getSubIndustry($parent_id = 0)
    {
        $model = new IndustryModel;
        $list = $model->where('parent_id', '=', $parent_id)->order(['sort' => 'asc', 'create_time' => 'asc'])->select();
        return $this->renderSuccess(compact('list'));
    }
}