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<?php
namespace B2\Modules\Common;
use B2\Modules\Common\Post;
class Coupon
{
public function init()
{
}
public static function get_coupons($ids, $count = 0)
{
global $wpdb;
$table_name = $wpdb->prefix . 'b2_coupon';
if ($ids === 'all') {
$res = $wpdb->get_results(
$wpdb->prepare("
SELECT * FROM $table_name
")
,
ARRAY_A
);
} else {
if (!is_array($ids))
return array('error' => __('查询错误', 'b2'));
$count = $count ? $count : count($ids);
$ids = implode("','", $ids);
$res = $wpdb->get_results(
$wpdb->prepare("
SELECT * FROM $table_name
WHERE id IN ('" . $ids . "')
LIMIT %d
", $count)
,
ARRAY_A
);
}
$data = array();
if ($res && !empty($res)) {
$user_id = b2_get_current_user_id();
$user_lv = get_user_meta($user_id, 'zrz_lv', true);
$user_vip = get_user_meta($user_id, 'zrz_vip', true);
$coupons = get_user_meta($user_id, 'b2_coupons', true);
foreach ($res as $k => $v) {
$lvs = maybe_unserialize($v['roles']);
$lvs = $lvs ? $lvs : array();
$lv_arr = array();
if (!empty($lvs)) {
foreach ($lvs as $_v) {
$_v = trim($_v, " \t\n\r\0\x0B\xC2\xA0");
if ($_v) {
$lv_arr[] = User::get_lv_icon($_v);
}
}
}
$cats = maybe_unserialize($v['cats']);
$cat_arr = array();
if (!empty($cats)) {
foreach ($cats as $_v) {
$_v = trim($_v, " \t\n\r\0\x0B\xC2\xA0");
if ($_v) {
$term = get_term_by('slug', $_v, 'shoptype');
if ($term) {
$cat_arr[] = array(
'name' => $term->name,
'link' => get_term_link($term->term_id)
);
}
}
}
}
$posts = maybe_unserialize($v['products']);
$post_arr = array();
if (!empty($posts)) {
foreach ($posts as $_v) {
$_v = trim($_v, " \t\n\r\0\x0B\xC2\xA0");
if ($_v) {
$post_arr[] = array(
'name' => get_the_title($_v),
'link' => get_permalink($_v),
'image' => Post::get_post_thumb($_v)
);
}
}
}
$expired = false;
$expired_date = '';
//检查是否过期
if ((int) $v['expiration_date'] !== 0 && isset($coupons[$v['id']])) {
$expired_date = wp_date("Y-m-d H:i:s", wp_strtotime($coupons[$v['id']] . " +" . $v['expiration_date'] . " day"));
if (current_time('mysql') > $expired_date) {
$expired = true;
}
}
$data[$v['id']] = array(
'id' => $v['id'],
'money' => $v['money'],
'receive_date' => array(
'date' => $v['receive_date'],
'expired' => $v['receive_date'] > current_time('mysql') || (int) $v['receive_date'] === 0 ? false : true
),
'expiration_date' => array(
'date' => $v['expiration_date'],
'expired' => $expired,
'expired_date' => $expired_date
),
'roles' => array(
'lvs' => $lv_arr,
'can' => empty($lvs) || ($user_lv && in_array($user_lv, $lvs)) || ($user_vip && in_array($user_vip, $lvs)) ? true : false
),
'cats' => $cat_arr,
'products' => $post_arr
);
}
}
return $data;
}
//领取优惠劵
public static function coupon_receive($id)
{
$user_id = b2_get_current_user_id();
if (!$user_id)
return array('error' => __('请先登录', 'b2'));
//获取优惠劵信息
$info = self::get_coupons(array($id), 1);
if (!isset($info[$id]))
return array('error' => __('优惠劵未领取或已使用', 'b2'));
if ($info[$id]['receive_date']['expired']) {
return array('error' => __('已经过了领取时间，无法领取', 'b2'));
}
if ($info[$id]['roles']['can'] === false)
return array('error' => __('您没有权限领取和使用这个优惠劵', 'b2'));
$my_coupon = get_user_meta($user_id, 'b2_coupons', true);
$my_coupon = is_array($my_coupon) ? $my_coupon : array();
if (isset($my_coupon[$id]))
return array('error' => __('您已经领取过这个优惠劵', 'b2'));
$my_coupon[$id] = current_time('mysql');
update_user_meta($user_id, 'b2_coupons', $my_coupon);
return true;
}
//获取我的优惠劵
public static function get_my_coupons()
{
$user_id = b2_get_current_user_id();
$data = get_user_meta($user_id, 'b2_coupons', true);
$data = is_array($data) ? $data : array();
$ids = array();
foreach ($data as $k => $v) {
$ids[] = $k;
}
$data = self::get_coupons($ids, 0);
return array(
'data' => $data,
'count' => count($data)
);
}
//删除我的优惠劵
public static function delete_my_coupon($id)
{
$user_id = b2_get_current_user_id();
$data = get_user_meta($user_id, 'b2_coupons', true);
$data = is_array($data) ? $data : array();
if (isset($data[$id])) {
unset($data[$id]);
update_user_meta($user_id, 'b2_coupons', $data);
}
return true;
}
//检查优惠劵是否可以使用
public static function check_coupon($post_ids)
{
//用户
$user_id = b2_get_current_user_id();
if (!$user_id)
return [];
$user_coupons = get_user_meta($user_id, 'b2_coupons', true);
$user_coupons = is_array($user_coupons) ? $user_coupons : array();
if (empty($user_coupons))
return [];
$allow_coupons = array();
foreach ($user_coupons as $k => $v) {
$i = [];
foreach ($post_ids as $_k => $_v) {
if (self::coupon_can_use_by_post($_v, $k)) {
//检查使用权限
$info = self::get_coupons(array($k), 1);
if (!$info[$k]['expiration_date']['expired'] && $info[$k]['roles']['can']) {
$i[] = $_v;
$info[$k]['ids'] = $i;
$info[$k]['show'] = true;
$allow_coupons[$k] = $info[$k];
}
}
}
}
return $allow_coupons;
}
//检查某个商品是否可以使用优惠劵
public static function coupon_can_use_by_post($post_id, $coupon_id)
{
global $wpdb;
$table_name = $wpdb->prefix . 'b2_coupon';
$res = $wpdb->get_results(
$wpdb->prepare("
SELECT * FROM $table_name
WHERE id=%d
", $coupon_id)
,
ARRAY_A
);
$allow_p = false;
$allow_c = false;
//检查文章ID
if (!empty($res)) {
$products = maybe_unserialize($res[0]['products']);
if ($products === '' || !$products) {
$allow_p = true;
} else {
if (in_array($post_id, $products)) {
$allow_p = true;
} else {
$allow_p = false;
}
}
$cats = maybe_unserialize($res[0]['cats']);
if ($cats === '' || !$cats) {
$allow_c = true;
} else {
$terms = get_the_terms($post_id, 'shoptype');
if ($terms) {
$terms_id = array();
foreach ($terms as $_k => $_v) {
$terms_id[] = $_v->slug;
}
$def = array_intersect($terms_id, $cats);
if ($def) {
$allow_c = true;
} else {
$allow_c = false;
}
}
}
if ($allow_c && $allow_p)
return true;
}
return false;
}
//优惠劵使用完毕，删掉
public static function coupon_used($user_id, $coupon_id)
{
$data = get_user_meta($user_id, 'b2_coupons', true);
$data = is_array($data) ? $data : array();
if (isset($data[$coupon_id])) {
unset($data[$coupon_id]);
}
update_user_meta($user_id, 'b2_coupon', $data);
return true;
}
}