Added currency code to fee breakdown when currency symbol is same

changelog/fix-10006-add-currency-to-fee-details-in-order-note

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Add currency code to fee breakdown when multi-currency is enabled, and currencies share the same symbol.

client/payment-details/timeline/map-events.js

@@ -30,6 +30,7 @@ import { getAdminUrl } from 'wcpay/utils';
 import { ShieldIcon } from 'wcpay/icons';
 import { fraudOutcomeRulesetMapping, paymentFailureMapping } from './mappings';
 import { formatDateTimeFromTimestamp } from 'wcpay/utils/date-time';
+import { hasSameSymbol } from 'multi-currency/utils/currency';
 
 /**
  * Creates a timeline item about a payment status change
@@ -279,12 +280,19 @@ export const composeFeeString = ( event ) => {
 		);
 	}
 
+	const hasIdenticalSymbol = hasSameSymbol(
+		event.transaction_details.store_currency,
+		event.transaction_details.customer_currency
+	);
+
 	return sprintf(
-		'%1$s (%2$f%% + %3$s): %4$s',
+		'%1$s (%2$f%% + %3$s%4$s): %5$s%6$s',
 		baseFeeLabel,
 		formatFee( percentage ),
 		formatCurrency( fixed, fixedCurrency ),
-		formatCurrency( -feeAmount, feeCurrency )
+		hasIdenticalSymbol ? ` ${ fixedCurrency }` : '',
+		formatCurrency( -feeAmount, feeCurrency ),
+		hasIdenticalSymbol ? ` ${ feeCurrency }` : ''
 	);
 };
 
@@ -453,7 +461,14 @@ export const feeBreakdown = ( event ) => {
 		} = fee;
 
 		const percentageRateFormatted = formatFee( percentageRate );
-		const fixedRateFormatted = formatCurrency( fixedRate, currency );
+		const fixedRateFormatted = `${ formatCurrency( fixedRate, currency ) }${
+			hasSameSymbol(
+				event.transaction_details.store_currency,
+				event.transaction_details.customer_currency
+			)
+				? ` ${ currency.toUpperCase() }`
+				: ''
+		}`;
 
 		const label = sprintf(
 			feeLabelMapping( fixedRate, isCapped )[ labelType ],

client/payment-details/timeline/test/captured-event-strings.js

@@ -32,6 +32,14 @@ describe( 'Strings in captured events', () => {
 					decimalSeparator: '.',
 					precision: 2,
 				},
+				CA: {
+					code: 'CAD',
+					symbol: '$',
+					symbolPosition: 'left',
+					thousandSeparator: ',',
+					decimalSeparator: '.',
+					precision: 2,
+				},
 				JP: {
 					code: 'JPY',
 					symbol: '¥',

includes/class-wc-payments-captured-event-note.php

@@ -123,13 +123,16 @@ public function compose_fee_string(): string {
 				WC_Payments_Utils::format_currency( - $fee_amount, $fee_currency )
 			);
 		}
+		$is_same_symbol = $this->has_same_currency_symbol( $data['transaction_details']['store_currency'], $data['transaction_details']['customer_currency'] );
 
 		return sprintf(
-			'%1$s (%2$s%% + %3$s): %4$s',
+			'%1$s (%2$s%% + %3$s%4$s): %5$s%6$s',
 			$base_fee_label,
 			self::format_fee( $percentage ),
 			WC_Payments_Utils::format_currency( $fixed, $fixed_currency ),
-			WC_Payments_Utils::format_currency( - $fee_amount, $fee_currency )
+			$is_same_symbol ? ' ' . $data['transaction_details']['customer_currency'] : '',
+			WC_Payments_Utils::format_currency( -$fee_amount, $fee_currency ),
+			$is_same_symbol ? " $fee_currency" : ''
 		);
 	}
 
@@ -238,6 +241,10 @@ public function get_fee_breakdown() {
 				$currency
 			);
 
+			if ( $this->has_same_currency_symbol( $data['transaction_details']['customer_currency'], $data['transaction_details']['store_currency'] ) ) {
+				$fix_rate_formatted = $fix_rate_formatted . ' ' . $data['transaction_details']['store_currency'];
+			}
+
 			$label = sprintf(
 				$this->fee_label_mapping( $fixed_rate, $is_capped )[ $label_type ],
 				$percentage_rate_formatted,
@@ -442,4 +449,16 @@ private function format_explicit_currency_with_base( float $amount, string $curr
 
 		return WC_Payments_Utils::format_explicit_currency( $amount, $currency, $skip_symbol, $custom_format );
 	}
+
+	/**
+	 * Compare does two currencies have the same symbol.
+	 *
+	 * @param string $base_currency Base currency.
+	 * @param string $currency Currency to compare.
+	 *
+	 * @return bool
+	 */
+	private function has_same_currency_symbol( string $base_currency, string $currency ): bool {
+		return strcasecmp( $base_currency, $currency ) !== 0 && get_woocommerce_currency_symbol( $base_currency ) === get_woocommerce_currency_symbol( $currency );
+	}
 }

includes/multi-currency/client/utils/currency/index.js

@@ -353,3 +353,29 @@ function htmlDecode( input ) {
 	const doc = new DOMParser().parseFromString( input, 'text/html' );
 	return doc.documentElement.textContent;
 }
+
+/**
+ * Checks if two currencies share the same symbol. Don't use this function to compare the same currency.
+ *
+ * @param {string} currencyCode1 First currency code
+ * @param {string} currencyCode2 Second currency code
+ *
+ * @return {boolean} True if currencies share same symbol, false otherwise
+ */
+export const hasSameSymbol = ( currencyCode1, currencyCode2 ) => {
+	currencyCode1 = currencyCode1.toUpperCase();
+	currencyCode2 = currencyCode2.toUpperCase();
+	if ( currencyCode1 === currencyCode2 ) {
+		return false;
+	}
+	const { currencyData } = wcpaySettings;
+
+	const currency1 = find( currencyData, { code: currencyCode1 } );
+	const currency2 = find( currencyData, { code: currencyCode2 } );
+
+	if ( ! currency1 || ! currency2 ) {
+		return false;
+	}
+
+	return currency1.symbol === currency2.symbol;
+};

tests/fixtures/captured-payments/foreign-card.json

@@ -1,60 +1,55 @@
 {
-  "title": "Payment with a foreign card",
-  "capturedEvent":         {
-    "type": "captured",
-    "amount": 13000,
-    "amount_captured": 13000,
-    "fee": 676,
-    "fee_rates": {
-      "percentage": 0.049,
-      "fixed": 30,
-      "fixed_currency": "USD",
-      "history": [
-        {
-          "type": "base",
-          "percentage_rate": 0.029,
-          "fixed_rate": 30,
-          "currency": "usd"
-        },
-        {
-          "type": "additional",
-          "additional_type": "international",
-          "percentage_rate": 0.01,
-          "fixed_rate": 0,
-          "currency": "usd"
-        },
-        {
-          "type": "additional",
-          "additional_type": "fx",
-          "percentage_rate": 0.01,
-          "fixed_rate": 0,
-          "currency": "usd"
-        }
-      ]
+  "title": "Payment with foreign card",
+  "capturedEvent":
+    {
+      "type": "captured",
+      "amount": 1800,
+      "amount_captured": 1800,
+      "fee": 109,
+      "fee_rates": {
+        "percentage": 0.044,
+        "fixed": 30,
+        "fixed_currency": "USD",
+        "history": [
+          {
+            "type": "base",
+            "additional_type": "",
+            "fee_id": "base-us-card-fee",
+            "percentage_rate": 0.029,
+            "fixed_rate": 30,
+            "currency": "usd"
+          },
+          {
+            "type": "additional",
+            "additional_type": "international",
+            "fee_id": "additional-us-intl-fee",
+            "percentage_rate": 0.015,
+            "fixed_rate": 0,
+            "currency": "usd"
+          }
+        ]
+      },
+      "currency": "USD",
+      "datetime": 1736869781,
+      "deposit": null,
+      "transaction_id": "txn_3QhCN7R3NO9FvHYd0wKleSrw",
+      "transaction_details": {
+        "customer_currency": "USD",
+        "customer_amount": 1800,
+        "customer_amount_captured": 1800,
+        "customer_fee": 109,
+        "store_currency": "USD",
+        "store_amount": 1800,
+        "store_amount_captured": 1800,
+        "store_fee": 109
+      }
     },
-    "currency": "CAD",
-    "datetime": 1651997332,
-    "deposit": null,
-    "transaction_id": "txn_3Kx5Ae2EFxam75ai0P2BCbp0",
-    "transaction_details": {
-      "customer_currency": "CAD",
-      "customer_amount": 13000,
-      "customer_amount_captured": 13000,
-      "customer_fee": 676,
-      "store_currency": "USD",
-      "store_amount": 10071,
-      "store_amount_captured": 10071,
-      "store_fee": 524
-    }
-  },
   "expectation": {
-    "fxString": "1.00 CAD → 0.774692 USD: $100.71 USD",
-    "feeString": "Fee (4.9% + $0.30): -$5.24",
+    "feeString": "Fee (4.4% + $0.30): -$1.09",
     "feeBreakdown": {
       "base": "Base fee: 2.9% + $0.30",
-      "additional-international": "International card fee: 1%",
-      "additional-fx": "Currency conversion fee: 1%"
+      "additional-international": "International card fee: 1.5%"
     },
-    "netString": "Net payout: $95.47 USD"
+    "netString": "Net payout: $16.91 USD"
   }
 }

tests/fixtures/captured-payments/fx-same-currency-symbol.json

@@ -0,0 +1,56 @@
+{
+  "title": "FX Payment with a same currency symbol but different currency",
+  "capturedEvent":
+    {
+      "type": "captured",
+      "amount": 2400,
+      "amount_captured": 2400,
+      "fee": 132,
+      "fee_rates": {
+        "percentage": 0.039,
+        "fixed": 39,
+        "fixed_currency": "CAD",
+        "history": [
+          {
+            "type": "base",
+            "additional_type": "",
+            "fee_id": "base-us-card-fee",
+            "percentage_rate": 0.029,
+            "fixed_rate": 30,
+            "currency": "usd"
+          },
+          {
+            "type": "additional",
+            "additional_type": "fx",
+            "fee_id": "additional-us-card-fx-fee",
+            "percentage_rate": 0.01,
+            "fixed_rate": 0,
+            "currency": "usd"
+          }
+        ]
+      },
+      "currency": "CAD",
+      "datetime": 1736871090,
+      "deposit": null,
+      "transaction_id": "txn_3QhCiER3NO9FvHYd2DQY4k1S",
+      "transaction_details": {
+        "customer_currency": "CAD",
+        "customer_amount": 2400,
+        "customer_amount_captured": 2400,
+        "customer_fee": 132,
+        "store_currency": "USD",
+        "store_amount": 1672,
+        "store_amount_captured": 1672,
+        "store_fee": 92
+      }
+    },
+  "expectation": {
+    "fxString": "1.00 CAD → 0.696667 USD: $16.72 USD",
+    "feeString": "Fee (3.9% + $0.39 CAD): -$0.92 USD",
+    "feeBreakdown": {
+      "base": "Base fee: 2.9% + $0.30 USD",
+      "additional-fx": "Currency conversion fee: 1%"
+    },
+    "netString": "Net payout: $15.80 USD"
+  }
+}