add validation in request

src/main/java/com/billpaymentservice/bbps/dto/auth/LoginRequest.java

@@ -1,19 +1,28 @@
 package com.billpaymentservice.bbps.dto.auth;
 
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+
 public class LoginRequest {
-    private String mobile;
 
-    public LoginRequest() {}
+	@NotNull(message = "Mobile number cannot be null.")
+	@Size(min = 10, max = 10, message = "Mobile number must be exactly 10 digits.")
+	@Pattern(regexp = "^[0-9]{10}$", message = "Mobile number must contain only digits.")
+	private String mobile;
 
-    public LoginRequest(String mobile) {
-        this.mobile = mobile;
-    }
+	public LoginRequest() {
+	}
 
-    public String getMobile() {
-        return mobile;
-    }
+	public LoginRequest(String mobile) {
+		this.mobile = mobile;
+	}
 
-    public void setMobile(String mobile) {
-        this.mobile = mobile;
-    }
+	public String getMobile() {
+		return mobile;
+	}
+
+	public void setMobile(String mobile) {
+		this.mobile = mobile;
+	}
 }

src/main/java/com/billpaymentservice/bbps/dto/auth/RegisterRequest.java

@@ -2,15 +2,31 @@ package com.billpaymentservice.bbps.dto.auth;
 
 import com.billpaymentservice.bbps.dto.request.BaseClass;
 
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
 public class RegisterRequest extends BaseClass {
+
+	@NotNull(message = "Mobile number cannot be null.")
+	@Size(min = 10, max = 10, message = "Mobile number must be exactly 10 digits.")
+	@Pattern(regexp = "^[0-9]{10}$", message = "Mobile number must contain only 10 digits.")
 	private String mobile;
+
+	@NotNull(message = "Name cannot be null.")
+	@Size(min = 2, max = 100, message = "Name must be between 2 and 100 characters.")
 	private String name;
+
+	@NotNull(message = "Email cannot be null.")
+	@Email(message = "Email must be a valid email address.")
 	private String email;
+
+	@NotNull(message = "Registration token cannot be null.")
 	private String registrationToken;
 
 }

src/main/java/com/billpaymentservice/bbps/dto/auth/VerifyOtpRequest.java

@@ -1,30 +1,42 @@
 package com.billpaymentservice.bbps.dto.auth;
 
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+
 public class VerifyOtpRequest {
-    private String mobile;
-    private String otp;
 
-    public VerifyOtpRequest() {
-    }
+	@NotNull(message = "Mobile number cannot be null.")
+	@Size(min = 10, max = 10, message = "Mobile number must be exactly 10 digits.")
+	@Pattern(regexp = "^[0-9]{10}$", message = "Mobile number must contain only digits.")
+	private String mobile;
 
-    public VerifyOtpRequest(String mobile, String otp) {
-        this.mobile = mobile;
-        this.otp = otp;
-    }
+	@NotNull(message = "OTP cannot be null.")
+	@Size(min = 6, max = 6, message = "OTP must be exactly 6 digits.")
+	@Pattern(regexp = "^[0-9]{6}$", message = "OTP must contain only 6 digits.")
+	private String otp;
 
-    public String getMobile() {
-        return mobile;
-    }
+	public VerifyOtpRequest() {
+	}
 
-    public void setMobile(String mobile) {
-        this.mobile = mobile;
-    }
+	public VerifyOtpRequest(String mobile, String otp) {
+		this.mobile = mobile;
+		this.otp = otp;
+	}
 
-    public String getOtp() {
-        return otp;
-    }
+	public String getMobile() {
+		return mobile;
+	}
 
-    public void setOtp(String otp) {
-        this.otp = otp;
-    }
+	public void setMobile(String mobile) {
+		this.mobile = mobile;
+	}
+
+	public String getOtp() {
+		return otp;
+	}
+
+	public void setOtp(String otp) {
+		this.otp = otp;
+	}
 }

src/main/java/com/billpaymentservice/bbps/dto/request/ComplainStatusRequest.java

@@ -1,7 +1,6 @@
 package com.billpaymentservice.bbps.dto.request;
 
 import jakarta.validation.constraints.NotBlank;
-import jakarta.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;

src/main/java/com/billpaymentservice/bbps/dto/request/ComplaintRequestDTO.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -7,9 +9,16 @@ import lombok.Setter;
 @Setter
 public class ComplaintRequestDTO extends BaseClass {
 
-	private String ticketDescription; // Complaint description that the user enters
-	private String ticketDisposition; // Complaint disposition
-	private String ticketDispositionCode; // Type of complaint
-	private String txnId; // Transaction ID (optional)
+	@NotBlank(message = "Ticket description cannot be null.")
+	private String ticketDescription;
+
+	@NotBlank(message = "Ticket disposition cannot be null.")
+	private String ticketDisposition;
+
+	@NotBlank(message = "Ticket disposition code cannot be null.")
+	private String ticketDispositionCode;
+
+	@NotBlank(message = "Transaction ID cannot be null.")
+	private String txnId;
 
 }

src/main/java/com/billpaymentservice/bbps/dto/response/TicketCheckStatusResponse.java

@@ -1,6 +1,7 @@
 package com.billpaymentservice.bbps.dto.response;
 
 import com.billpaymentservice.bbps.dto.TicketDetailsDTO;
+import com.fasterxml.jackson.annotation.JsonProperty;
 
 import lombok.Data;
 
@@ -9,9 +10,13 @@ public class TicketCheckStatusResponse {
 
 	private String refId;
 	private TicketDetailsDTO ticketDetails;
+	@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
 	private String message;
+	@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
 	private String remarks;
+	@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
 	private String status;
+	@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
 	private String statusCode;
 
 }