lianjie_admin/app/Admin/Widgets/Charts/OrderGoodsActivityMarketCha...

<?php

namespace App\Admin\Widgets\Charts;

use App\Admin\Repositories\v3\GoodsActivityReport;
use Dcat\Admin\Widgets\Metrics\Donut;
use Illuminate\Http\Request;
use App\Models\v3\Market as MarketModel;

class OrderGoodsActivityMarketChart extends Donut
{ 
    /**
     * 活动商品总数
     */
    protected $labels = [];
    protected $data = [];
    protected $total = [];
    protected $id;
    protected $option;
    protected $GoodsActivityReport = null;
    protected $color = [ '#33b2df', '#546E7A', '#d4526e', '#13d8aa', '#A5978B', '#2b908f', '#f9a3a4', '#90ee7e', '#f48024', '#69d2e7'];
    protected $colors = [];

    public function __construct($data = [])
    {
        $this->GoodsActivityReport = new GoodsActivityReport();
        $this->option = $this->id = 7;
        
        // 分页的时候不重复查询数据
        $currentPage = request()->input('page', 1);
        if($currentPage == 1){
            $data = $this->GoodsActivityReport->getMarketData();
            $market = MarketModel::getMarketArray();
            if(!empty($data) && is_array($data)){
                $total = 0;
                foreach($data as $key => $value){
                    $this->data[] = (int)$value['total'];
                    $this->labels[] = $market[$value['market_id']]??'未知';
                    $this->colors[] = $this->color[$key];
                    $total += $value['total'];
                }
                $this->total['number_total'] = $total;
            }
        }

        parent::__construct();
    }

    protected function init()
    {
        parent::init();
        // 设置标题
        $this->title('');
        $this->chartHeight(160);
        // 设置下拉菜单
        // $this->dropdown([]);
        
        $this->chartLabels($this->labels);

        // 设置图表颜色
        $this->chartColors($this->colors);
    }
    
    /**
     * 处理请求
     * 如果你的图表类中包含此方法，则可以通过此方法处理前端通过ajax提交的获取图表数据的请求
     *
     * @param Request $request
     * @return mixed|void
     */
    public function handle(Request $request)
    {
        // 数据查询逻辑
        $data = $this->data;
        $this->withContent($data);
        $this->withChart($data);
    }

    /**
     * 这里返回需要异步传递到 handler 方法的参数 
     * 
     * @return array
     */
    public function parameters(): array
    {
        return [
            'id'     => $this->id,
            'option' => $this->option,
        ];
    }

    /**
     * 设置图表数据.
     *
     * @param array $data
     *
     * @return $this
     */
    public function withChart(array $data)
    {
        return $this->chart([
            'series' => $data,
        ]);
    }

    /**
     * 渲染卡片内容.
     *
     * @return string
     */
    public function withContent($data = [])
    {
        $div = '';
        $style = 'margin-bottom: 8px';
        if(!empty($data) && is_array($data)){
            foreach($data as $key => $value){
                $div .= '<div class="d-flex pl-1 pr-1 pt-1" style="'.$style.'"><div style="width: 120px">
                    <i class="fa fa-circle" style="color:'.$this->colors[$key].'"></i> '.$this->labels[$key].'
                </div><div>'.$value.'</div></div>';
            }
        }
        return $this->content(
            <<<HTML
            {$div}
HTML
        );
    }

}