← All changes | app/Intents/IntentHelper.php +110 -14 1.4.14 → 1.4.20 View file →

		@@ -251,17 +251,39 @@
251	251	public function calculate_discount( $cost, $discount_type, $discount_value ) {
252	252	$cost = (float) $cost;
253	253	$discount_value = (float) $discount_value;
254	254
255		- if ( 'percent' === $discount_type ) {
256		- $cost = $cost * $discount_value / 100;
257		- }
	255	+ switch ( $discount_type ) {
	256	+ case 'percent':
	257	+ return $cost * $discount_value / 100;
258	258
259		- if ( 'fixed' === $discount_type || 'fixed_per_product' === $discount_type ) {
260		- $cost = $discount_value;
261		- }
	259	+ case 'fixed':
	260	+ case 'fixed_per_product':
	261	+ return $discount_value;
262	262
263		- return $cost;
	263	+ case 'free':
	264	+ // The whole cost comes off, which is what makes the item free.
	265	+ return $cost;
	266	+
	267	+ default:
	268	+ /**
	269	+ * Anything else discounts nothing.
	270	+ *
	271	+ * This used to fall through and return $cost untouched, which the
	272	+ * callers then treat as the discount: ProductIntent hands it the
	273	+ * product price and CartIntent the cart subtotal, so an
	274	+ * unrecognised type gave away the product or the entire cart.
	275	+ *
	276	+ * Only Bulk, Bundle and BOGO route through the Calc classes,
	277	+ * where every type has an implementation; Product and Cart come
	278	+ * straight here, so the gap was reachable by any rule carrying a
	279	+ * type this method does not know: a campaign saved while
	280	+ * fixed_price and percent_per_product were still offered in the
	281	+ * builder, a REST write (discount_type inside discount_rules is
	282	+ * not validated), or a hand edited row.
	283	+ */
	284	+ return 0.0;
	285	+ }//end switch
264	286	}
265	287
266	288	/**
267	289	* Get the discounted price.
		@@ -493,8 +515,37 @@
493	515	}
494	516
495	517	$discountable_units = $this->grouped_discount_budget( $rule, $total_qualifying_units );
496	518
	519	+ /**
	520	+ * A flat amount is charged for the pooled group as a whole.
	521	+ *
	522	+ * Pooling exists so the cart together can reach the tier minimum, so
	523	+ * the rule qualifies for the group rather than for each line that
	524	+ * contributed quantity. The Calc layer returns the rule value whole
	525	+ * for every line it is handed, because a flat amount does not scale
	526	+ * with units, so spreading it across lines multiplied the discount by
	527	+ * the line count: a flat 10 came out as 20 over two lines.
	528	+ *
	529	+ * It is applied to the first eligible line carrying the entire pooled
	530	+ * budget, which is what lets a recursive rule still charge once per
	531	+ * bundle: the Calc layer derives the bundle count from that quantity.
	532	+ * Per unit types keep every line, since their amount is meant to
	533	+ * scale with the units.
	534	+ */
	535	+ if ( in_array( $rule['discount_type'], array( 'fixed', 'fixed_price' ), true ) ) {
	536	+ $first_line = reset( $eligible_lines );
	537	+
	538	+ if ( ! empty( $first_line['item'] ) && $discountable_units > 0 ) {
	539	+ $item = $first_line['item'];
	540	+ $item['disco_forced_qty'] = $discountable_units;
	541	+
	542	+ $this->apply_rule_to_discount( $discounts, $campaign, $rule, $item, $cart, $total_applicable_qty );
	543	+ }
	544	+
	545	+ continue;
	546	+ }
	547	+
497	548	// Hand out the discountable units across the eligible lines in cart order.
498	549	foreach ( $eligible_lines as $eligible_line ) {
499	550	if ( $discountable_units <= 0 ) {
500	551	break;
		@@ -663,13 +714,19 @@
663	714	if ( empty( $get_discounts ) ) {
664	715	continue;
665	716	}
666	717
667		- // Only stage campaigns whose discount actually applied to the cart.
668		- ( new UserLimit )->disco_start_session_on_checkout( $intent->campaign->id );
669		-
670	718	foreach ( $get_discounts as $item_id => $discount ) {
	719	+ /**
	720	+ * Keep the campaign alongside its amount at the same index.
	721	+ *
	722	+ * Staging cannot happen yet: several campaigns can offer an amount
	723	+ * for the same item and only one of them survives the min/max
	724	+ * reduction below. Crediting every campaign here would consume the
	725	+ * usage limit of campaigns whose discount never reached the cart.
	726	+ */
671	727	$discounts[ $item_id ]['discounts'][] = max( $discount['discounts'] );
	728	+ $discounts[ $item_id ]['campaigns'][] = (int) $intent->campaign->id;
672	729	}
673	730	}
674	731
675	732	// Check if the discounts are empty.
		@@ -676,13 +733,27 @@
676	733	if ( empty( $discounts ) ) {
677	734	return false;
678	735	}
679	736
	737	+ $applied_campaign_ids = array();
	738	+
680	739	// Get the min or max discount amount for each item.
681	740	foreach ( $discounts as $item_id => $discount ) {
682		- $discounts[ $item_id ] = $this->min_max_average( $discount['discounts'] );
	741	+ $winning_amount = $this->min_max_average( $discount['discounts'] );
	742	+ $winning_index = array_search( $winning_amount, $discount['discounts'], true );
	743	+
	744	+ if ( false !== $winning_index && isset( $discount['campaigns'][ $winning_index ] ) ) {
	745	+ $applied_campaign_ids[ $discount['campaigns'][ $winning_index ] ] = true;
	746	+ }
	747	+
	748	+ $discounts[ $item_id ] = $winning_amount;
683	749	}
684	750
	751	+ // Stage only the campaigns that actually won an item.
	752	+ foreach ( array_keys( $applied_campaign_ids ) as $applied_campaign_id ) {
	753	+ ( new UserLimit )->disco_start_session_on_checkout( $applied_campaign_id );
	754	+ }
	755	+
685	756	return $discounts;
686	757	}
687	758
688	759	/**
		@@ -761,9 +832,10 @@
761	832	if ( empty( $intents ) ) {
762	833	return false;
763	834	}
764	835
765		- $discounts = array();
	836	+ $discounts = array();
	837	+ $candidate_campaign_ids = array();
766	838
767	839	// Loop through the intents.
768	840	foreach ( $intents as $intent ) {
769	841	/**
		@@ -781,10 +853,18 @@
781	853	if ( empty( $get_discounts ) ) {
782	854	continue;
783	855	}
784	856
785		- // Only stage campaigns whose discount actually applied to the cart.
786		- ( new UserLimit )->disco_start_session_on_checkout( $intent->campaign->id );
	857	+ /**
	858	+ * Collect the campaign now, stage it later.
	859	+ *
	860	+ * What this method finally grants is decided well below: the rewards
	861	+ * are unioned across campaigns and a BuyXGetY (products) campaign can
	862	+ * then override the whole result authoritatively. Crediting a campaign
	863	+ * here would consume its usage limit even when the final result grants
	864	+ * it nothing.
	865	+ */
	866	+ $candidate_campaign_ids[] = (int) $intent->campaign->id;
787	867
788	868	foreach ( $get_discounts as $item_id => $discount ) {
789	869	$discounts[ $item_id ]['discounts'][] = max( $discount['discounts'] ); // phpcs:ignore
790	870	$discounts[ $item_id ]['free'] = $discount['free']; // phpcs:ignore
		@@ -871,8 +951,24 @@
871	951	$discounts['get_qty'] = empty( $reward_map ) ? 0 : max( $reward_map ); // phpcs:ignore
872	952	$discounts['free'] = ! empty( $reward_map ); // phpcs:ignore
873	953	$discounts['bogo_type'] = $bogo_type;
874	954	$discounts['free_item_selection'] = $intent->campaign->get_free_item_selection();
	955	+
	956	+ /**
	957	+ * This branch is authoritative for the whole result, so the campaign
	958	+ * that owns it is the only one that can be credited.
	959	+ */
	960	+ $candidate_campaign_ids = array( (int) $intent->campaign->id );
	961	+ }
	962	+
	963	+ /**
	964	+ * Stage the campaigns only once the result is final, and only when it
	965	+ * actually grants free items.
	966	+ */
	967	+ if ( ! empty( $discounts['free'] ) ) {
	968	+ foreach ( array_unique( $candidate_campaign_ids ) as $applied_campaign_id ) {
	969	+ ( new UserLimit )->disco_start_session_on_checkout( $applied_campaign_id );
	970	+ }
875	971	}
876	972
877	973	return $discounts;
878	974	}