438 lines
13 KiB
PHP
438 lines
13 KiB
PHP
<?php
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namespace Webkul\Discount\Helpers;
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use Webkul\Discount\Repositories\CartRuleCartRepository as CartRuleCart;
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class ValidatesDiscount
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{
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/**
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* CartRuleCartRepository instance
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*/
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protected $cartRuleCart;
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/**
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* Initializes type hinted dependencies
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*
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* @param CartRuleCart $cartRuleCart
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*/
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public function __construct(CartRuleCart $cartRuleCart)
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{
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$this->cartRuleCart = $cartRuleCart;
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}
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/**
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* Validates the currently applied cart rule on the current cart
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*
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* @param $cart instance
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*
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* @return mixed
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*/
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public function validate($cart)
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{
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$appliedRule = $this->cartRuleCart->findWhere([
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'cart_id' => $cart->id
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]);
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if ($appliedRule->count()) {
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$appliedRule = $appliedRule->first()->cart_rule;
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if ($appliedRule->status == 1) {
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$applicability = $this->checkApplicability($appliedRule);
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if (! $applicability) {
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return $this->remove();
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} else {
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if ($appliedRule->free_shipping && $cart->selected_shipping_rate->base_price > 0) {
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$cart->selected_shipping_rate->update([
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'price' => 0,
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'base_price' => 0
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]);
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} else if ($appliedRule->free_shipping == 0 && $appliedRule->apply_to_shipping && $cart->selected_shipping_rate->base_price > 0) {
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$actionType = config('discount-rules')[$appliedRule->action_type];
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if ($appliedRule->apply_to_shipping) {
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$actionInstance = new $actionType;
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$discountOnShipping = $actionInstance->calculateOnShipping($cart);
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$cart->selected_shipping_rate->update([
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'price' => $cart->selected_shipping_rate->base_price - $discountOnShipping,
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'base_price' => $cart->selected_shipping_rate->price - core()->convertPrice($discountOnShipping, $cart->cart_currency_code)
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]);
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}
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}
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}
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} else {
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return $this->remove();
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}
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}
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return false;
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}
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/**
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* Checks whether coupon is getting applied on current cart instance or not
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*
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* @return boolean
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*/
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public function checkApplicability($rule)
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{
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$cart = \Cart::getCart();
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$timeBased = false;
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// time based constraints
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if ($rule->starts_from != null && $rule->ends_till == null) {
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if (Carbon::parse($rule->starts_from) < now()) {
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$timeBased = true;
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}
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} else if ($rule->starts_from == null && $rule->ends_till != null) {
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if (Carbon::parse($rule->ends_till) > now()) {
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$timeBased = true;
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}
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} else if ($rule->starts_from != null && $rule->ends_till != null) {
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if (Carbon::parse($rule->starts_from) < now() && now() < Carbon::parse($rule->ends_till)) {
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$timeBased = true;
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}
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} else {
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$timeBased = true;
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}
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$channelBased = false;
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// channel based constraints
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foreach ($rule->channels as $channel) {
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if ($channel->channel_id == core()->getCurrentChannel()->id) {
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$channelBased = true;
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}
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}
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$customerGroupBased = false;
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// customer groups based constraints
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if (auth()->guard('customer')->check()) {
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foreach ($rule->customer_groups as $customer_group) {
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if (auth()->guard('customer')->user()->group->exists()) {
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if ($customer_group->customer_group_id == auth()->guard('customer')->user()->group->id) {
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$customerGroupBased = true;
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}
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}
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}
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} else {
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foreach ($rule->customer_groups as $customer_group) {
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if ($customer_group->customer_group->code == 'guest') {
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$customerGroupBased = true;
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}
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}
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}
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$conditionsBased = true;
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//check conditions
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if ($rule->conditions != null) {
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$conditions = json_decode(json_decode($rule->conditions));
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$test_mode = array_last($conditions);
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if ($test_mode->criteria == 'any_is_true') {
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$conditionsBased = $this->testIfAnyConditionIsTrue($conditions, $cart);
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}
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if ($test_mode->criteria == 'all_are_true') {
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$conditionsBased = $this->testIfAllConditionAreTrue($conditions, $cart);
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}
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}
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if ($timeBased && $channelBased && $customerGroupBased && $conditionsBased) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Removes the already applied coupon on the current cart instance
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*
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* @return boolean
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*/
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public function remove()
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{
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$cart = Cart::getCart();
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$existingRule = $this->cartRuleCart->findWhere([
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'cart_id' => $cart->id
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]);
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if ($existingRule->count()) {
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$existingRule->first()->delete();
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foreach ($cart->items as $item) {
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if ($item->discount_amount > 0) {
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$item->update([
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'discount_amount' => 0,
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'base_discount_amount' => 0,
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'discount_percent' => 0,
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'coupon_code' => NULL
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]);
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}
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}
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$cart->update([
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'coupon_code' => NULL,
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'discount_amount' => 0,
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'base_discount_amount' => 0
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]);
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Cart::collectTotals();
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return true;
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} else {
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return false;
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}
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}
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/**
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* Checks the rule against the current cart instance whether rule conditions are applicable
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* or not
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*
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* @return boolean
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*/
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protected function testIfAllConditionAreTrue($conditions, $cart)
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{
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$paymentMethods = $this->getPaymentMethods();
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$shippingMethods = $this->getShippingMethods();
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array_pop($conditions);
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$shipping_address = $cart->getShippingAddressAttribute() ?? null;
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$shipping_method = $cart->selected_shipping_rate->method_title ?? null;
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$shipping_country = $shipping_address->country ?? null;
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$shipping_state = $shipping_address->state ?? null;
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$shipping_postcode = $shipping_address->postcode ?? null;
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$shipping_city = $shipping_address->city ?? null;
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if (isset($cart->payment)) {
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$payment_method = $paymentMethods[$cart->payment->method]['title'];
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} else {
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$payment_method = null;
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}
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$sub_total = $cart->base_sub_total;
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$total_items = $cart->items_qty;
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$total_weight = 0;
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foreach ($cart->items as $item) {
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$total_weight = $total_weight + $item->base_total_weight;
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}
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$result = true;
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foreach ($conditions as $condition) {
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if (isset($condition->attribute)) {
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$actual_value = ${$condition->attribute};
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} else {
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$result = false;
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}
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if (isset($condition->value)) {
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$test_value = $condition->value;
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} else {
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$result = false;
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}
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if (isset($condition->condition)) {
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$test_condition = $condition->condition;
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}
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else {
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$result = false;
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}
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if (isset($condition->type) && ($condition->type == 'numeric' || $condition->type == 'string' || $condition->type == 'text')) {
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if ($condition->type == 'string') {
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$actual_value = strtolower($actual_value);
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$test_value = strtolower($test_value);
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}
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if ($test_condition == '=') {
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if ($actual_value != $test_value) {
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$result = false;
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break;
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}
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} else if ($test_condition == '>=') {
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if (! ($actual_value >= $test_value)) {
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$result = false;
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break;
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}
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} else if ($test_condition == '<=') {
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if (! ($actual_value <= $test_value)) {
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$result = false;
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break;
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}
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} else if ($test_condition == '>') {
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if (! ($actual_value > $test_value)) {
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$result = false;
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break;
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}
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} else if ($test_condition == '<') {
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if (! ($actual_value < $test_value)) {
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$result = false;
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break;
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}
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} else if ($test_condition == '{}') {
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if (! str_contains($actual_value, $test_value)) {
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$result = false;
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break;
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}
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} else if ($test_condition == '!{}') {
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if (str_contains($actual_value, $test_value)) {
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$result = false;
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break;
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}
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}
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}
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}
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return $result;
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}
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/**
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* Checks the rule against the current cart instance whether rule conditions are applicable
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* or not
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*
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* @return boolean
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*/
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protected function testIfAnyConditionIsTrue($conditions, $cart)
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{
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$paymentMethods = $this->getPaymentMethods();
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$shippingMethods = $this->getShippingMethods();
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array_pop($conditions);
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$result = false;
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$shipping_address = $cart->getShippingAddressAttribute() ?? null;
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$shipping_method = $cart->selected_shipping_rate->method_title ?? null;
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$shipping_country = $shipping_address->country ?? null;
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$shipping_state = $shipping_address->state ?? null;
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$shipping_postcode = $shipping_address->postcode ?? null;
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$shipping_city = $shipping_address->city ?? null;
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if (isset($cart->payment)) {
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$payment_method = $paymentMethods[$cart->payment->method]['title'];
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} else {
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$payment_method = null;
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}
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$sub_total = $cart->base_sub_total;
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$total_items = $cart->items_qty;
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$total_weight = 0;
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foreach($cart->items as $item) {
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$total_weight = $total_weight + $item->base_total_weight;
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}
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foreach ($conditions as $condition) {
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if (isset($condition->attribute)) {
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$actual_value = ${$condition->attribute};
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} else {
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$result = false;
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}
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if (isset($condition->value)) {
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$test_value = $condition->value;
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} else {
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$result = false;
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}
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if (isset($condition->condition)) {
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$test_condition = $condition->condition;
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}
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else {
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$result = false;
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}
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if ($condition->type == 'numeric' || $condition->type == 'string' || $condition->type == 'text') {
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if ($condition->type == 'string') {
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$actual_value = strtolower($actual_value);
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$test_value = strtolower($test_value);
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}
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if ($test_condition == '=') {
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if ($actual_value == $test_value) {
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$result = true;
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break;
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}
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} else if ($test_condition == '>=') {
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if ($actual_value >= $test_value) {
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$result = true;
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break;
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}
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} else if ($test_condition == '<=') {
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if ($actual_value <= $test_value) {
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$result = true;
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break;
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}
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} else if ($test_condition == '>') {
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if ($actual_value > $test_value) {
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$result = true;
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break;
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}
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} else if ($test_condition == '<') {
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if ($actual_value < $test_value) {
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$result = true;
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break;
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}
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} else if ($test_condition == '{}') {
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if (str_contains($actual_value, $test_value)) {
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$result = true;
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break;
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}
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} else if ($test_condition == '!{}') {
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if (str_contains($actual_value, $test_value)) {
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$result = true;
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break;
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}
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}
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}
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}
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return $result;
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}
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} |