kknongchang_2506/app/Module/UrsPromotion/AdminControllers/Actions/ViewReferralChainAction.php

<?php

namespace App\Module\UrsPromotion\AdminControllers\Actions;

use App\Module\UrsPromotion\Models\UrsUserReferral;
use App\Module\UrsPromotion\Models\UrsUserMapping;
use Dcat\Admin\Widgets\Modal;
use UCore\DcatAdmin\RowAction;

/**
 * 查看推荐上级链操作
 *
 * 显示用户的上级推荐链路径
 */
class ViewReferralChainAction extends RowAction
{
    /**
     * 操作按钮标题
     *
     * @var string
     */
    protected $title = '上级链';

    /**
     * 检查是否允许显示此操作
     *
     * @return bool
     */
    public function allowed()
    {
        // 所有记录都允许查看上级链
        return true;
    }

    /**
     * 渲染操作按钮
     *
     * @return string
     */
    public function render2()
    {
        $row = $this->getRow();
        $ursUserId = $row->urs_user_id;

        // 获取推荐上级链数据
        $chainData = $this->getReferralChainData($ursUserId);

        // 构建链路HTML
        $chainHtml = $this->buildChainHtml($chainData);

        return Modal::make()
            ->xl()
            ->title("URS用户 {$ursUserId} 的推荐上级链")
            ->body($chainHtml)
            ->button("<i class=\"fa fa-link\"></i> {$this->title}");
    }

    /**
     * 获取推荐上级链数据
     *
     * @param int $ursUserId
     * @return array
     */
    private function getReferralChainData(int $ursUserId): array
    {
        $chain = [];
        $currentUserId = $ursUserId;
        $level = 0;
        $maxLevels = 30; // 防止无限循环，最多查询10级

        // 从当前用户开始，向上查找推荐人
        while ($currentUserId && $level < $maxLevels) {
            // 查找当前用户的推荐关系
            $referral = UrsUserReferral::where('urs_user_id', $currentUserId)
                ->where('status', UrsUserReferral::STATUS_VALID)
                ->first();

            // 获取用户的农场信息
            $userMapping = UrsUserMapping::where('urs_user_id', $currentUserId)
                ->where('status', UrsUserMapping::STATUS_VALID)
                ->with(['user.info'])
                ->first();

            $userInfo = [
                'urs_user_id' => $currentUserId,
                'farm_user_id' => $userMapping->user_id ?? null,
                'username' => $userMapping->user->username ?? '未进入农场',
                'nickname' => $userMapping->user->info->nickname ?? '无昵称',
                'level' => $level,
                'is_root' => false,
            ];

            if ($referral) {
                $userInfo['referrer_id'] = $referral->urs_referrer_id;
                $userInfo['referral_time'] = $referral->referral_time;
                $currentUserId = $referral->urs_referrer_id;
            } else {
                // 没有推荐人，说明是根用户
                $userInfo['is_root'] = true;
                $currentUserId = null;
            }

            $chain[] = $userInfo;
            $level++;
        }

        return array_reverse($chain); // 反转数组，从根用户开始显示
    }

    /**
     * 构建上级链HTML
     *
     * @param array $chainData
     * @return string
     */
    private function buildChainHtml(array $chainData): string
    {
        $html = '<div class="referral-chain-container">';

        // 添加样式
        $html .= '<style>
            .referral-chain-container {
                padding: 20px;
                font-family: "Helvetica Neue", Arial, sans-serif;
            }
            .chain-node {
                margin: 10px 0;
                padding: 15px;
                border: 2px solid #ddd;
                border-radius: 8px;
                background-color: #f9f9f9;
                position: relative;
            }
            .chain-node.root {
                border-color: #dc3545;
                background-color: #f8d7da;
            }
            .chain-node.current {
                border-color: #007bff;
                background-color: #d1ecf1;
                font-weight: bold;
            }
            .level-badge {
                display: inline-block;
                padding: 4px 8px;
                border-radius: 4px;
                color: white;
                font-size: 12px;
                margin-right: 10px;
            }
            .level-root { background-color: #dc3545; }
            .level-1 { background-color: #fd7e14; }
            .level-2 { background-color: #ffc107; color: #333; }
            .level-3 { background-color: #28a745; }
            .level-4 { background-color: #17a2b8; }
            .level-5 { background-color: #6f42c1; }
            .user-info {
                font-size: 14px;
                margin: 5px 0;
            }
            .user-meta {
                font-size: 12px;
                color: #666;
                margin-top: 8px;
            }
            .chain-arrow {
                text-align: center;
                color: #007bff;
                font-size: 18px;
                margin: 5px 0;
            }
        </style>';

        if (empty($chainData)) {
            $html .= '<p class="text-muted">无法获取推荐链信息</p>';
        } else {
            $totalLevels = count($chainData);
            $targetUserId = $chainData[count($chainData) - 1]['urs_user_id'];

            $html .= "<h5><i class=\"fa fa-link\"></i> 推荐链路径 (共{$totalLevels}级)</h5>";

            foreach ($chainData as $index => $user) {
                $isRoot = $user['is_root'];
                $isCurrent = ($user['urs_user_id'] == $targetUserId);
                $level = $totalLevels - $user['level'] - 1; // 重新计算显示级别

                $nodeClass = 'chain-node';
                if ($isRoot) {
                    $nodeClass .= ' root';
                    $levelName = '根用户';
                    $badgeClass = 'level-root';
                } elseif ($isCurrent) {
                    $nodeClass .= ' current';
                    $levelName = '当前用户';
                    $badgeClass = 'level-' . min($level, 5);
                } else {
                    $levelName = "第{$level}级推荐人";
                    $badgeClass = 'level-' . min($level, 5);
                }

                $html .= "<div class='{$nodeClass}'>";
                $html .= "<span class='level-badge {$badgeClass}'>{$levelName}</span>";
                $html .= "<span class='user-info'>URS-{$user['urs_user_id']}</span>";

                if ($user['farm_user_id']) {
                    $html .= " → 农场用户ID: {$user['farm_user_id']} | {$user['username']} ({$user['nickname']})";
                } else {
                    $html .= " → <span class='text-warning'>未进入农场</span>";
                }

                $html .= "<div class='user-meta'>";
                if (isset($user['referral_time'])) {
                    $html .= "推荐时间: {$user['referral_time']}";
                }
                if ($isRoot) {
                    $html .= "推荐链的起始用户";
                } elseif ($isCurrent) {
                    $html .= "目标用户";
                }
                $html .= "</div>";
                $html .= "</div>";

                // 添加箭头（除了最后一个）
                if ($index < count($chainData) - 1) {
                    $html .= '<div class="chain-arrow">↓ 推荐</div>';
                }
            }
        }

        $html .= '</div>';
        return $html;
    }
}