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chatroom/app/Services/VipService.php

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<?php
/**
* 文件功能VIP 会员服务层
* 提供倍率计算、会员授予/撤销、模板渲染等核心逻辑
*
* @author ChatRoom Laravel
*
* @version 1.0.0
*/
namespace App\Services;
use App\Models\User;
use App\Models\VipLevel;
class VipService
{
/**
* 获取用户的经验倍率(非 VIP 返回 1.0
*/
public function getExpMultiplier(User $user): float
{
if (! $user->isVip()) {
return 1.0;
}
return $user->vipLevel?->exp_multiplier ?? 1.0;
}
/**
* 获取用户的金币倍率(非 VIP 返回 1.0
*/
public function getJjbMultiplier(User $user): float
{
if (! $user->isVip()) {
return 1.0;
}
return $user->vipLevel?->jjb_multiplier ?? 1.0;
}
/**
* 授予用户 VIP 等级
*
* @param User $user 目标用户
* @param int $vipLevelId VIP 等级 ID
* @param int $days 天数0=永久)
*/
public function grantVip(User $user, int $vipLevelId, int $days = 30): void
{
$user->vip_level_id = $vipLevelId;
if ($days > 0) {
// 如果用户已有未过期的会员,在现有到期时间上延长
$baseTime = ($user->hy_time && $user->hy_time->isFuture())
? $user->hy_time
: now();
$user->hy_time = $baseTime->addDays($days);
} else {
// 永久会员
$user->hy_time = null;
}
$user->save();
}
/**
* 撤销用户 VIP 等级
*/
public function revokeVip(User $user): void
{
$user->vip_level_id = null;
$user->hy_time = null;
$user->save();
}
/**
* 获取用户专属进入聊天室的欢迎语(非 VIP 返回 null
*
* @param User $user 用户
* @return string|null 渲染后的欢迎语
*/
public function getJoinMessage(User $user): ?string
{
if (! $user->isVip() || ! $user->vipLevel) {
return null;
}
$templates = $user->vipLevel->join_templates_array;
return VipLevel::renderTemplate($templates, $user->username);
}
/**
* 获取用户专属离开聊天室的提示语(非 VIP 返回 null
*/
public function getLeaveMessage(User $user): ?string
{
if (! $user->isVip() || ! $user->vipLevel) {
return null;
}
$templates = $user->vipLevel->leave_templates_array;
return VipLevel::renderTemplate($templates, $user->username);
}
}