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

<?php

namespace App\Module\UrsPromotion\AdminControllers\Actions;

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

/**
 * 查看推荐下级树操作
 *
 * 显示用户的下级推荐关系树结构
 */
class ViewReferralTreeAction extends RowAction
{
    /**
     * 操作按钮标题
     *
     * @var string
     */
    protected $title = '下级树';

    /**
     * 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关系树
        return true;
    }

    /**
     * 渲染操作按钮
     *
     * @return string
     */
    public function render2()
    {
        $row = $this->getRow();
        $ursUserId = $row->urs_user_id;
        
        // 获取推荐关系树数据
        $treeData = $this->getReferralTreeData($ursUserId);
        
        // 构建树形结构HTML
        $treeHtml = $this->buildTreeHtml($treeData);
        
        return Modal::make()
            ->xl()
            ->title("URS用户 {$ursUserId} 的下级推荐树")
            ->body($treeHtml)
            ->button("<i class=\"fa fa-sitemap\"></i> {$this->title}");
    }

    /**
     * 获取推荐关系树数据
     *
     * @param int $ursUserId
     * @return array
     */
    private function getReferralTreeData(int $ursUserId): array
    {
        // 获取直推用户
        $directReferrals = UrsUserReferral::where('urs_referrer_id', $ursUserId)
            ->where('status', UrsUserReferral::STATUS_VALID)
            ->with(['userMapping.user.info'])
            ->get();

        $tree = [
            'user_id' => $ursUserId,
            'direct' => [],
            'indirect' => [],
            'third' => []
        ];

        foreach ($directReferrals as $direct) {
            $directData = [
                'urs_user_id' => $direct->urs_user_id,
                'farm_user_id' => $direct->userMapping->user_id ?? null,
                'username' => $direct->userMapping->user->username ?? '未进入农场',
                'nickname' => $direct->userMapping->user->info->nickname ?? '无昵称',
                'referral_time' => $direct->referral_time,
                'children' => []
            ];

            // 获取间推用户（直推用户的下级）
            $indirectReferrals = UrsUserReferral::where('urs_referrer_id', $direct->urs_user_id)
                ->where('status', UrsUserReferral::STATUS_VALID)
                ->with(['userMapping.user.info'])
                ->get();

            foreach ($indirectReferrals as $indirect) {
                $indirectData = [
                    'urs_user_id' => $indirect->urs_user_id,
                    'farm_user_id' => $indirect->userMapping->user_id ?? null,
                    'username' => $indirect->userMapping->user->username ?? '未进入农场',
                    'nickname' => $indirect->userMapping->user->info->nickname ?? '无昵称',
                    'referral_time' => $indirect->referral_time,
                    'children' => []
                ];

                // 获取三推用户（间推用户的下级）
                $thirdReferrals = UrsUserReferral::where('urs_referrer_id', $indirect->urs_user_id)
                    ->where('status', UrsUserReferral::STATUS_VALID)
                    ->with(['userMapping.user.info'])
                    ->get();

                foreach ($thirdReferrals as $third) {
                    $indirectData['children'][] = [
                        'urs_user_id' => $third->urs_user_id,
                        'farm_user_id' => $third->userMapping->user_id ?? null,
                        'username' => $third->userMapping->user->username ?? '未进入农场',
                        'nickname' => $third->userMapping->user->info->nickname ?? '无昵称',
                        'referral_time' => $third->referral_time,
                    ];
                }

                $directData['children'][] = $indirectData;
            }

            $tree['direct'][] = $directData;
        }

        return $tree;
    }

    /**
     * 构建树形结构HTML
     *
     * @param array $treeData
     * @return string
     */
    private function buildTreeHtml(array $treeData): string
    {
        $html = '<div class="referral-tree-container">';
        $html .= '<style>
            .referral-tree-container { font-family: Arial, sans-serif; }
            .tree-node { margin: 10px 0; padding: 10px; border: 1px solid #ddd; border-radius: 5px; }
            .tree-level-1 { background-color: #e8f5e8; margin-left: 0; }
            .tree-level-2 { background-color: #e8f0ff; margin-left: 30px; }
            .tree-level-3 { background-color: #fff8e8; margin-left: 60px; }
            .user-info { font-weight: bold; color: #333; }
            .user-meta { font-size: 12px; color: #666; margin-top: 5px; }
            .level-badge { display: inline-block; padding: 2px 6px; border-radius: 3px; font-size: 11px; color: white; }
            .level-1 { background-color: #28a745; }
            .level-2 { background-color: #007bff; }
            .level-3 { background-color: #ffc107; color: #333; }
        </style>';

        $html .= '<h5><i class="fa fa-user"></i> 根用户: URS-' . $treeData['user_id'] . '</h5>';

        if (empty($treeData['direct'])) {
            $html .= '<p class="text-muted">暂无下级推荐用户</p>';
        } else {
            $html .= '<div class="tree-structure">';
            
            foreach ($treeData['direct'] as $direct) {
                $html .= $this->renderUserNode($direct, 1);
            }
            
            $html .= '</div>';
        }

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

    /**
     * 渲染用户节点
     *
     * @param array $user
     * @param int $level
     * @return string
     */
    private function renderUserNode(array $user, int $level): string
    {
        $levelNames = [1 => '直推', 2 => '间推', 3 => '三推'];
        $levelClass = "tree-level-{$level}";
        $badgeClass = "level-{$level}";
        
        $html = "<div class='tree-node {$levelClass}'>";
        $html .= "<span class='level-badge {$badgeClass}'>{$levelNames[$level]}</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'>";
        $html .= "推荐时间: {$user['referral_time']}";
        $html .= "</div>";
        
        // 渲染子节点
        if (!empty($user['children']) && $level < 3) {
            foreach ($user['children'] as $child) {
                $html .= $this->renderUserNode($child, $level + 1);
            }
        }
        
        $html .= "</div>";
        return $html;
    }
}