241 lines
7.8 KiB
PHP
241 lines
7.8 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2016~2020 https://www.crmeb.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// +----------------------------------------------------------------------
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// | Author: CRMEB Team <admin@crmeb.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace app\services\activity\lottery;
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use app\services\BaseServices;
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use app\dao\activity\lottery\LuckPrizeDao;
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use app\services\activity\coupon\StoreCouponIssueServices;
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use crmeb\services\CacheService;
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use think\exception\ValidateException;
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/**
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*
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* Class LuckPrizeServices
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* @package app\services\activity\lottery
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* @mixin LuckPrizeDao
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*/
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class LuckPrizeServices extends BaseServices
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{
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/**
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* @var array 1：未中奖2：积分3:余额4：红包5:优惠券6：站内商品7：等级经验8：用户等级 9：svip天数
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*/
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public $prize_type = [
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'1' => '未中奖',
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'2' => '积分',
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'3' => '余额',
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'4' => '红包',
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'5' => '优惠券',
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'6' => '站内商品',
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'7' => '等级经验',
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'8' => '用户等级',
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'9' => 'svip天数'
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];
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/**
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* 奖品数据字段
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* @var array
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*/
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public $prize = [
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'id' => 0,
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'type' => 1,
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'lottery_id' => 0,
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'name' => '',
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'prompt' => '',
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'image' => '',
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'chance' => 0,
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'total' => 0,
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'coupon_id' => 0,
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'product_id' => 0,
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'unique' => '',
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'num' => 1,
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'sort' => 0,
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'status' => 1,
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'is_del' => 0,
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'add_time' => 0,
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];
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/**
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* LuckPrizeServices constructor.
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* @param LuckPrizeDao $dao
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*/
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public function __construct(LuckPrizeDao $dao)
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{
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$this->dao = $dao;
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}
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/**
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* 奖品数据验证
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* @param array $data
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* @return array
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*/
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public function checkPrizeData(array $data)
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{
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$data = array_merge($this->prize, array_intersect_key($data, $this->prize));
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if (!isset($data['name']) || !$data['name']) {
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throw new ValidateException('请填写奖品名称');
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}
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if (!isset($data['image']) || !$data['image']) {
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throw new ValidateException('请选择奖品图片');
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}
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if (!isset($data['chance'])) {
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throw new ValidateException('请填写奖品中奖权重');
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}
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if (!isset($data['type']) || !isset($this->prize_type[$data['type']])) {
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throw new ValidateException('请选择奖品类型');
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}
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if (in_array($data['type'], [2, 3, 4]) && (!isset($data['num']) || !$data['num'])) {
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$msg = '';
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switch ($data['type']) {
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case 2:
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$msg = '积分';
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break;
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case 3:
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$msg = '余额';
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break;
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case 4:
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$msg = '红包';
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break;
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}
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throw new ValidateException('请填写奖品赠送' . $msg . '数');
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}
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if ($data['type'] == 2) {
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$data['num'] = (int)$data['num'];
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}
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if ($data['type'] == 5 && (!isset($data['coupon_id']) || !$data['coupon_id'])) {
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throw new ValidateException('请选择优惠券');
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}
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if ($data['type'] == 6 && (!isset($data['product_id']) || !$data['product_id'])) {
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throw new ValidateException('请选择商品');
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}
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return $data;
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}
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/**
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* 修改奖品
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* @param int $id
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* @param array $data
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* @return bool
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public function edit(int $id, array $data)
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{
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$this->checkPrizeData($data);
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$prize = $this->dao->get($id);
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if (!$prize) {
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throw new ValidateException('奖品不存在');
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}
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if (!$this->dao->update($id, $data, 'id')) {
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throw new ValidateException('修改失败');
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}
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return true;
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}
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/**
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* 获取某个抽奖活动的所有奖品
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* @param int $lottery_id
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* @param string $field
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public function getLotteryPrizeList(int $lottery_id, string $field = '*')
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{
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return $this->dao->getPrizeList($lottery_id, $field);
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}
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/**
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* 随机奖品
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* @param array $data
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* @return array|mixed
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*/
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public function getLuckPrize(array $data)
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{
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$prize = [];
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if (!$data) return $prize;
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$coupon = [];
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$coupon_ids = array_unique(array_column($data, 'coupon_id'));
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if ($coupon_ids) {
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/** @var StoreCouponIssueServices $couponServices */
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$couponServices = app()->make(StoreCouponIssueServices::class);
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$coupon = $couponServices->getGiveCoupon([['id', 'IN', $coupon_ids]]);
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if ($coupon) $coupon = array_combine(array_column($coupon, 'id'), $coupon);
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}
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$totalChance = (int)array_sum(array_column($data, 'chance'));
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if (!$totalChance) return $prize;
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$startChance = 0;
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mt_srand();
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$prizeChance = rand(0, $totalChance - 1);
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$newPrize = array_combine(array_column($data, 'type'), $data);
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foreach ($data as $item) {
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$newStartChance = (int)bcadd((string)$item['chance'], (string)$startChance);
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//随机数在这个基数端内 且该商品数量大于0 中奖
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if ($prizeChance >= $startChance && $prizeChance < $newStartChance) {
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//奖品权重<=0 || 随机到不是未中奖奖品-》设置了奖品数量-》数量不足时 返回未中奖奖品 || 抽到优惠券 数量不足
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if ((int)$item['chance'] <= 0 ||
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(
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$item['type'] != 1 &&
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$item['total'] != -1 &&
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$item['total'] <= 0 &&
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CacheService::popStock((string)$item['id'], 1, 6)
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)
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(
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$item['coupon_id'] &&
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$coupon &&
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!isset($coupon[$item['coupon_id']])
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)
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) {
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$prize = $newPrize[1] ?? [];
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} else {
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$prize = $item;
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}
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break;
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}
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$startChance = $newStartChance;
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}
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return $prize;
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}
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/**
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* 中奖后减少奖品数量
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* @param int $id
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* @param array $prize
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* @return bool
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public function decPrizeNum(int $id, array $prize = [])
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{
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if (!$id) return false;
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if (!$prize) {
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$prize = $this->dao->get($id);
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}
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if (!$prize) {
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throw new ValidateException('该奖品不存在');
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}
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//不是未中奖奖品 减少奖品数量
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if ($prize['type'] != 1 && $prize['total'] >= 1) {
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$total = $prize['total'] - 1;
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if (!$this->dao->update($id, ['total' => $total], 'id')) {
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throw new ValidateException('抽奖减少奖品总数失败');
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}
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}
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return true;
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}
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}
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