src/main/java/com/acquirex/approval/dto/ApprovalDto.java

@@ -0,0 +1,102 @@
+package com.acquirex.approval.dto;
+
+import com.acquirex.approval.domain.ApprovalRequest.ApprovalStatus;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Positive;
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+public class ApprovalDto {
+
+    public static class Request {
+        @NotBlank(message = "Card number is required")
+        @Pattern(regexp = "^\\d{13,19}$", message = "Invalid card number format")
+        private String cardNumber;
+
+        @NotBlank(message = "Merchant ID is required")
+        @Pattern(regexp = "^[A-Z0-9]{8,15}$", message = "Invalid merchant ID format")
+        private String merchantId;
+
+        @NotNull(message = "Amount is required")
+        @Positive(message = "Amount must be positive")
+        private BigDecimal amount;
+
+        @NotBlank(message = "Currency is required")
+        @Pattern(regexp = "^[A-Z]{3}$", message = "Invalid currency code")
+        private String currency;
+
+        public Request() {}
+
+        public Request(String cardNumber, String merchantId, BigDecimal amount, String currency) {
+            this.cardNumber = cardNumber;
+            this.merchantId = merchantId;
+            this.amount = amount;
+            this.currency = currency;
+        }
+
+        public String getCardNumber() { return cardNumber; }
+        public void setCardNumber(String cardNumber) { this.cardNumber = cardNumber; }
+        public String getMerchantId() { return merchantId; }
+        public void setMerchantId(String merchantId) { this.merchantId = merchantId; }
+        public BigDecimal getAmount() { return amount; }
+        public void setAmount(BigDecimal amount) { this.amount = amount; }
+        public String getCurrency() { return currency; }
+        public void setCurrency(String currency) { this.currency = currency; }
+    }
+
+    public static class Response {
+        private Long requestId;
+        private String approvalCode;
+        private ApprovalStatus status;
+        private BigDecimal amount;
+        private String currency;
+        private String message;
+        private LocalDateTime timestamp;
+
+        public Response() {
+            this.timestamp = LocalDateTime.now();
+        }
+
+        public Response(Long requestId, ApprovalStatus status, String message) {
+            this.requestId = requestId;
+            this.status = status;
+            this.message = message;
+            this.timestamp = LocalDateTime.now();
+        }
+
+        public static Response approved(Long requestId, String approvalCode, BigDecimal amount, String currency) {
+            Response r = new Response();
+            r.requestId = requestId;
+            r.approvalCode = approvalCode;
+            r.status = ApprovalStatus.APPROVED;
+            r.amount = amount;
+            r.currency = currency;
+            r.message = "Approval successful";
+            return r;
+        }
+
+        public static Response declined(Long requestId, String reason) {
+            Response r = new Response();
+            r.requestId = requestId;
+            r.status = ApprovalStatus.DECLINED;
+            r.message = reason;
+            return r;
+        }
+
+        public Long getRequestId() { return requestId; }
+        public void setRequestId(Long requestId) { this.requestId = requestId; }
+        public String getApprovalCode() { return approvalCode; }
+        public void setApprovalCode(String approvalCode) { this.approvalCode = approvalCode; }
+        public ApprovalStatus getStatus() { return status; }
+        public void setStatus(ApprovalStatus status) { this.status = status; }
+        public BigDecimal getAmount() { return amount; }
+        public void setAmount(BigDecimal amount) { this.amount = amount; }
+        public String getCurrency() { return currency; }
+        public void setCurrency(String currency) { this.currency = currency; }
+        public String getMessage() { return message; }
+        public void setMessage(String message) { this.message = message; }
+        public LocalDateTime getTimestamp() { return timestamp; }
+    }
+}