116 lines
3.0 KiB
PHP
116 lines
3.0 KiB
PHP
<?php
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/**
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* 文件功能：VIP 会员服务层
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* 提供倍率计算、会员授予/撤销、模板渲染等核心逻辑
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*
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* @author ChatRoom Laravel
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*
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* @version 1.0.0
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*/
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namespace App\Services;
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use App\Models\User;
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use App\Models\VipLevel;
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class VipService
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{
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/**
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* 获取用户的经验倍率（非 VIP 返回 1.0）
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*/
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public function getExpMultiplier(User $user): float
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{
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if (! $user->isVip()) {
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return 1.0;
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}
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return $user->vipLevel?->exp_multiplier ?? 1.0;
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}
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/**
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* 获取用户的金币倍率（非 VIP 返回 1.0）
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*/
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public function getJjbMultiplier(User $user): float
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{
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if (! $user->isVip()) {
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return 1.0;
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}
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return $user->vipLevel?->jjb_multiplier ?? 1.0;
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}
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/**
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* 授予用户 VIP 等级
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*
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* @param User $user 目标用户
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* @param int $vipLevelId VIP 等级 ID
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* @param int $days 天数（0=永久）
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* @param bool $isUpgrade 是否为补差价升级
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*/
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public function grantVip(User $user, int $vipLevelId, int $days = 30, bool $isUpgrade = false): void
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{
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$oldVipId = $user->vip_level_id;
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$user->vip_level_id = $vipLevelId;
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if ($days > 0) {
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if ($isUpgrade && $oldVipId && $user->hy_time && $user->hy_time->isFuture()) {
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// 如果是升级，到期日期保持不变，除非新等级是永久（days=0）
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// 此时只需更新等级 ID，无需修改 hy_time。
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} else {
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// 如果是新购或续费，在现有到期时间上延长
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$baseTime = ($user->hy_time && $user->hy_time->isFuture())
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? $user->hy_time
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: now();
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$user->hy_time = $baseTime->addDays($days);
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}
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} else {
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// 永久会员
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$user->hy_time = null;
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}
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$user->save();
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}
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/**
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* 撤销用户 VIP 等级
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*/
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public function revokeVip(User $user): void
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{
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$user->vip_level_id = null;
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$user->hy_time = null;
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$user->save();
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}
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/**
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* 获取用户专属进入聊天室的欢迎语（非 VIP 返回 null）
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*
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* @param User $user 用户
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* @return string|null 渲染后的欢迎语
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*/
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public function getJoinMessage(User $user): ?string
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{
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if (! $user->isVip() || ! $user->vipLevel) {
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return null;
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}
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$templates = $user->vipLevel->join_templates_array;
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return VipLevel::renderTemplate($templates, $user->username);
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}
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/**
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* 获取用户专属离开聊天室的提示语（非 VIP 返回 null）
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*/
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public function getLeaveMessage(User $user): ?string
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{
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if (! $user->isVip() || ! $user->vipLevel) {
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return null;
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}
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$templates = $user->vipLevel->leave_templates_array;
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return VipLevel::renderTemplate($templates, $user->username);
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}
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}
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