feat(can-payment): 다국적 통화 표기 지원 및 결제 금액 표시 개선

- KRW 고정 표기에서 벗어나 PG/해외 결제 등 다양한 통화 표기를 정확히 지원하기 위함

SodaLive/Sources/Extensions/StringExtension.swift

@@ -44,4 +44,14 @@ extension String {
         
         // 출처 - https://ios-development.tistory.com/379
     }
+    
+    func formatCurrency(currencyCode: String, locale: Locale = .current) -> String {
+        let formatter = NumberFormatter()
+        formatter.numberStyle = .currency
+        formatter.locale = locale
+        formatter.currencyCode = currencyCode
+        
+        let dec = NSDecimalNumber(string: self)
+        return formatter.string(from: dec) ?? "\(currencyCode) \(self)"
+    }
 }

SodaLive/Sources/MyPage/Can/Charge/CanChargeView.swift

@@ -124,7 +124,7 @@ struct CanPgItemView: View {
             
             Spacer()
             
-            Text("\(item.price) 원")
+            Text(item.priceStr.formatCurrency(currencyCode: item.currency))
                 .font(.custom(Font.bold.rawValue, size: 15.3))
                 .foregroundColor(Color(hex: "eeeeee"))
         }

SodaLive/Sources/MyPage/Can/GetCanResponse.swift

@@ -13,4 +13,6 @@ struct GetCanResponse: Decodable, Hashable {
     let can: Int
     let rewardCan: Int
     let price: Int
+    let currency: String
+    let priceStr: String
 }

SodaLive/Sources/MyPage/Can/Payment/CanPgPaymentView.swift

@@ -117,7 +117,7 @@ struct CanPgPaymentView: View {
                                     
                                     Spacer()
                                     
-                                    Text("\(canResponse.price) 원")
+                                    Text(canResponse.priceStr.formatCurrency(currencyCode: canResponse.currency))
                                         .font(.custom(Font.bold.rawValue, size: 15.3))
                                         .foregroundColor(Color.grayee)
                                 }
@@ -281,7 +281,7 @@ struct CanPgPaymentView: View {
                                     .foregroundColor(Color.grayee)
                                 
                                 HStack(spacing: 0) {
-                                    Text("\(canResponse.price) 원")
+                                    Text(canResponse.priceStr.formatCurrency(currencyCode: canResponse.currency))
                                         .font(.custom(Font.bold.rawValue, size: 23.3))
                                         .foregroundColor(Color.grayee)
                                 }
@@ -378,7 +378,7 @@ struct CanPgPaymentView: View {
 struct CanPgPaymentView_Previews: PreviewProvider {
     static var previews: some View {
         CanPgPaymentView(
-            canResponse: GetCanResponse(id: 1, title: "300 캔", can: 300, rewardCan: 0, price: 7500),
+            canResponse: GetCanResponse(id: 1, title: "300 캔", can: 300, rewardCan: 0, price: 7500, currency: "USD", priceStr: "5.99"),
             refresh: {},
             afterCompletionToGoBack: false
         )