| 1 |
<?php |
| 2 |
|
| 3 |
namespace FluentCart\App\Services\Coupon\Concerns; |
| 4 |
|
| 5 |
use FluentCart\App\Models\AppliedCoupon; |
| 6 |
use FluentCart\App\Models\Coupon; |
| 7 |
use FluentCart\App\Models\Customer; |
| 8 |
use FluentCart\App\Services\DateTime\DateTime; |
| 9 |
use FluentCart\App\Services\OrderService; |
| 10 |
use FluentCart\Framework\Support\Arr; |
| 11 |
use FluentCart\Framework\Support\Collection; |
| 12 |
use WP_Error; |
| 13 |
|
| 14 |
trait CanValidateCoupon |
| 15 |
{ |
| 16 |
/** |
| 17 |
* @return bool|WP_Error |
| 18 |
*/ |
| 19 |
public function validate($couponCode) |
| 20 |
{ |
| 21 |
$couponCode = apply_filters('fluent_cart/coupon/validating_coupon', $couponCode, |
| 22 |
[ |
| 23 |
'coupon_code' => $couponCode, |
| 24 |
'line_items' => $this->lineItems, |
| 25 |
'couponService' => $this |
| 26 |
] |
| 27 |
); |
| 28 |
|
| 29 |
if (is_wp_error($couponCode)) { |
| 30 |
return $couponCode; |
| 31 |
} |
| 32 |
|
| 33 |
if (empty($couponCode)) { |
| 34 |
return $this->makeError(__('Invalid Coupon Code', 'fluent-cart'), 404); |
| 35 |
} |
| 36 |
|
| 37 |
$coupon = $this->applicableCoupons->firstWhere('code', $couponCode); |
| 38 |
|
| 39 |
if (empty($coupon)) { |
| 40 |
return $this->makeError(__('Coupon Not Found', 'fluent-cart'), 404); |
| 41 |
} |
| 42 |
|
| 43 |
if ($this->isAlreadyApplied($coupon)) { |
| 44 |
return $this->makeError(__('Coupon already applied', 'fluent-cart'), 401); |
| 45 |
} |
| 46 |
|
| 47 |
//Return true at this point is not using cart, because at this point coupon is already used in an order |
| 48 |
if (!$this->usingCart && $this->previouslyAppliedCoupons->has($couponCode)) { |
| 49 |
return true; |
| 50 |
} |
| 51 |
|
| 52 |
if (!$this->canBeStacked($coupon)) { |
| 53 |
return $this->makeError(__('Can not apply the coupons together', 'fluent-cart'), 401); |
| 54 |
} |
| 55 |
|
| 56 |
if (!$this->isCouponActive($coupon)) { |
| 57 |
|
| 58 |
return $this->makeError(__('This coupon has expired or is not valid', 'fluent-cart'), 401); |
| 59 |
} |
| 60 |
|
| 61 |
if ($this->requiredUserToBeLoggedIn($coupon)) { |
| 62 |
|
| 63 |
if (!is_user_logged_in()) { |
| 64 |
return $this->makeError(__('You Need To be logged in', 'fluent-cart'), 403); |
| 65 |
} |
| 66 |
|
| 67 |
if (!$this->hasMaxPerUserLimit($coupon)) { |
| 68 |
return $this->makeError(__('Coupon Uses Limit Exceeded', 'fluent-cart'), 401); |
| 69 |
} |
| 70 |
} |
| 71 |
|
| 72 |
if (!$this->hasUseLimit($coupon)) { |
| 73 |
return $this->makeError(__('Coupon Uses Limit Exceeded', 'fluent-cart'), 403); |
| 74 |
} |
| 75 |
|
| 76 |
if (!$this->ensureMinimumPurchaseAmount($coupon)) { |
| 77 |
return $this->makeError(__('Purchase amount is smaller than required amount', 'fluent-cart'), 403); |
| 78 |
} |
| 79 |
|
| 80 |
if (!$this->isProductValidated($coupon)) { |
| 81 |
return $this->makeError(__('No applicable products in the cart for this coupon', 'fluent-cart'), 403); |
| 82 |
} |
| 83 |
|
| 84 |
return true; |
| 85 |
} |
| 86 |
|
| 87 |
public function isProductValidated($coupon): bool |
| 88 |
{ |
| 89 |
foreach ($this->lineItems as $item) { |
| 90 |
if ($this->isApplicableToProduct($coupon, $item['post_id'], $item['id'])) { |
| 91 |
return true; |
| 92 |
} |
| 93 |
} |
| 94 |
return false; |
| 95 |
} |
| 96 |
|
| 97 |
public function canBeStacked(Coupon $coupon): bool |
| 98 |
{ |
| 99 |
//If there is no applied coupon return true; |
| 100 |
if (empty($this->previouslyAppliedCouponCodes)) { |
| 101 |
return true; |
| 102 |
} |
| 103 |
//If there is any applied coupon, that is not stackable return false; |
| 104 |
foreach ($this->previouslyAppliedCoupons as $lcoupon) { |
| 105 |
if (Arr::get($lcoupon, 'stackable') === 'no') { |
| 106 |
return false; |
| 107 |
} |
| 108 |
} |
| 109 |
|
| 110 |
//return true if the coupon is stackable |
| 111 |
return (Arr::get($coupon, 'stackable') !== 'no'); |
| 112 |
} |
| 113 |
|
| 114 |
public function isAlreadyApplied(Coupon $coupon): bool |
| 115 |
{ |
| 116 |
return in_array($coupon->code, $this->previouslyAppliedCouponCodes); |
| 117 |
} |
| 118 |
|
| 119 |
public function ensureMinimumPurchaseAmount(Coupon $coupon): bool |
| 120 |
{ |
| 121 |
$min_purchase_amount = Arr::get($coupon->conditions, 'min_purchase_amount', null); |
| 122 |
if (empty($min_purchase_amount)) { |
| 123 |
return true; |
| 124 |
} else { |
| 125 |
// The coupon's min_amount_basis ('subtotal' | 'total') governs whether shipping counts |
| 126 |
// toward this gate. This admin order-editing path operates on line items only and has no |
| 127 |
// live shipping context, so the check is always against the items subtotal here — the |
| 128 |
// 'total' (shipping-inclusive) basis takes effect on the storefront checkout path |
| 129 |
// (see DiscountService::isCouponValid). |
| 130 |
$orderTotal = OrderService::getItemsAmountTotal($this->lineItems, false, false); |
| 131 |
return $min_purchase_amount <= $orderTotal; |
| 132 |
} |
| 133 |
} |
| 134 |
|
| 135 |
public function isCouponActive(Coupon $coupon): bool |
| 136 |
{ |
| 137 |
$status = $coupon->status; |
| 138 |
$now = DateTime::gmtNow(); |
| 139 |
|
| 140 |
$hasExpirationDate = true; |
| 141 |
$hasStartDate = true; |
| 142 |
|
| 143 |
if (empty($coupon->start_date) || $coupon->start_date === '0000-00-00 00:00:00') { |
| 144 |
$hasStartDate = false; |
| 145 |
} |
| 146 |
|
| 147 |
if (empty($coupon->end_date) || $coupon->end_date === '0000-00-00 00:00:00') { |
| 148 |
$hasExpirationDate = false; |
| 149 |
} |
| 150 |
|
| 151 |
|
| 152 |
if ($status === 'active' && !$hasExpirationDate && !$hasStartDate) { |
| 153 |
return true; |
| 154 |
} |
| 155 |
|
| 156 |
|
| 157 |
if ($status === 'scheduled' || $status === 'active') { |
| 158 |
|
| 159 |
$startDate = null; |
| 160 |
$endDate = null; |
| 161 |
$couponStarted = false; |
| 162 |
$couponEnded = false; |
| 163 |
|
| 164 |
if (!empty($coupon->start_date)) { |
| 165 |
$startDate = DateTime::parse($coupon->start_date); |
| 166 |
$couponStarted = $startDate <= $now; |
| 167 |
} |
| 168 |
|
| 169 |
if (!empty($coupon->end_date)) { |
| 170 |
$endDate = DateTime::parse($coupon->end_date); |
| 171 |
$couponEnded = $endDate < $now; |
| 172 |
} |
| 173 |
|
| 174 |
|
| 175 |
|
| 176 |
|
| 177 |
if (empty($startDate)) |
| 178 |
return !$couponEnded; |
| 179 |
if (empty($endDate)) |
| 180 |
return $couponStarted; |
| 181 |
|
| 182 |
return $couponStarted && !$couponEnded; |
| 183 |
} |
| 184 |
|
| 185 |
return false; |
| 186 |
} |
| 187 |
|
| 188 |
public function hasUseLimit(Coupon $coupon): bool |
| 189 |
{ |
| 190 |
$maxUse = Arr::get($coupon->conditions, 'max_uses', null); |
| 191 |
if (empty($maxUse)) { |
| 192 |
return true; |
| 193 |
} |
| 194 |
|
| 195 |
if (empty($coupon->use_count)) { |
| 196 |
return true; |
| 197 |
} |
| 198 |
|
| 199 |
return $maxUse > $coupon->use_count; |
| 200 |
} |
| 201 |
|
| 202 |
public function requiredUserToBeLoggedIn(Coupon $coupon): bool |
| 203 |
{ |
| 204 |
return Arr::get($coupon->conditions, 'max_per_customer', 0); |
| 205 |
} |
| 206 |
|
| 207 |
public function hasMaxPerUserLimit(Coupon $coupon): bool |
| 208 |
{ |
| 209 |
$maxPerCustomer = Arr::get($coupon->conditions, 'max_per_customer', 0); |
| 210 |
if (empty($maxPerCustomer)) { |
| 211 |
return true; |
| 212 |
} |
| 213 |
|
| 214 |
$userId = get_current_user_id(); |
| 215 |
|
| 216 |
$customer = Customer::query()->where('user_id', $userId)->first(); |
| 217 |
|
| 218 |
if (empty($customer)) { |
| 219 |
return true; |
| 220 |
} |
| 221 |
|
| 222 |
$appliedCoupons = AppliedCoupon::query() |
| 223 |
->where('code', $coupon->code) |
| 224 |
->where('customer_id', $customer->id) |
| 225 |
->get(); |
| 226 |
|
| 227 |
return $maxPerCustomer > $appliedCoupons->count(); |
| 228 |
} |
| 229 |
|
| 230 |
public function isApplicableToProduct(Coupon $coupon, $productId, $variationsId): bool |
| 231 |
{ |
| 232 |
if (empty($variationsId)) { |
| 233 |
return false; |
| 234 |
} |
| 235 |
|
| 236 |
$categories = Arr::get($this->products, ($productId . '') . '.categories'); |
| 237 |
|
| 238 |
$categoryIds = Collection::make($categories)->pluck('term_id')->toArray(); |
| 239 |
|
| 240 |
$canBeApplied = true; |
| 241 |
|
| 242 |
$conditions = $coupon->conditions; |
| 243 |
|
| 244 |
$excludedCategories = $this->getArrayValue($conditions, 'excluded_categories'); |
| 245 |
$includedCategories = $this->getArrayValue($conditions, 'included_categories'); |
| 246 |
$excludedProducts = $this->getArrayValue($conditions, 'excluded_products'); |
| 247 |
$includedProducts = $this->getArrayValue($conditions, 'included_products'); |
| 248 |
|
| 249 |
if (in_array($variationsId, $includedProducts)) { |
| 250 |
return true; |
| 251 |
} |
| 252 |
|
| 253 |
if (in_array($variationsId, $excludedProducts)) { |
| 254 |
return false; |
| 255 |
} |
| 256 |
|
| 257 |
foreach ($categoryIds as $categoryId) { |
| 258 |
if (empty($categoryId)) { |
| 259 |
continue; |
| 260 |
} |
| 261 |
if (in_array($categoryId, $excludedCategories)) { |
| 262 |
$canBeApplied = false; |
| 263 |
} |
| 264 |
if (!empty($includedCategories) && !in_array($categoryId, $includedCategories)) { |
| 265 |
$canBeApplied = false; |
| 266 |
} |
| 267 |
|
| 268 |
if (!$canBeApplied) { |
| 269 |
break; |
| 270 |
} |
| 271 |
} |
| 272 |
|
| 273 |
if (!empty($includedProducts) && !in_array($variationsId, $includedProducts)) { |
| 274 |
return false; |
| 275 |
} |
| 276 |
|
| 277 |
|
| 278 |
return $canBeApplied; |
| 279 |
} |
| 280 |
|
| 281 |
protected function makeError(string $message, $code = null): WP_Error |
| 282 |
{ |
| 283 |
return new WP_Error($code, $message); |
| 284 |
} |
| 285 |
|
| 286 |
private function getArrayValue($array, $key, $defaultValue = []) |
| 287 |
{ |
| 288 |
return isset($array[$key]) && is_array($array[$key]) ? $array[$key] : $defaultValue; |
| 289 |
} |
| 290 |
} |
| 291 |
|
