added database for bill intitate and bill payment and removed the polling logic

src/main/java/com/billpaymentservice/bbps/entites/AdditionalInfoBill.java

@@ -0,0 +1,30 @@
+package com.billpaymentservice.bbps.entites;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.Getter;
+import lombok.Setter;
+
+
+
+@Entity
+@Table(name = "additional_info_bill")
+@Getter
+@Setter
+public class AdditionalInfoBill {
+	@Id
+    @GeneratedValue
+    private Long id;
+
+    private String name;
+    private String value;
+
+    @ManyToOne
+    @JoinColumn(name = "bill_master_id")
+    private BillMaster billMaster;
+
+}

src/main/java/com/billpaymentservice/bbps/entites/BillInitiate.java

@@ -0,0 +1,21 @@
+package com.billpaymentservice.bbps.entites;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+@Table(name = "bill_initiate")
+public class BillInitiate {
+	    @Id
+	    @Column(name = "req_id")
+	    private String reqId;
+	    
+        @Column(name = "bill_id", nullable = false)
+        private String billId;
+        
+        @Column(name = "txn_id")
+        private String txnId;
+   
+}

src/main/java/com/billpaymentservice/bbps/entites/BillMaster.java

@@ -0,0 +1,52 @@
+package com.billpaymentservice.bbps.entites;
+import java.time.LocalDateTime;
+import java.util.List;
+
+import com.billpaymentservice.bbps.dto.BillerResponseBill;
+
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.OneToOne;
+import jakarta.persistence.Table;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Entity
+@Table(name = "bill_master")
+@Builder
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class BillMaster {
+
+    @Id
+    private String billId; // primary key
+
+    private String reqId; // client se aaya hua
+    private String txnId; // system-generated
+    private String refId;
+    private String billerId;
+    private String status;
+    private String actionType;
+    private String userId;
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "biller_response_id")
+    private BillerResponse billerResponse;
+    @OneToMany(mappedBy = "billMaster", cascade = CascadeType.ALL)
+    private List<AdditionalInfoBill> additionalInfo;
+    @OneToMany(mappedBy = "billMaster", cascade = CascadeType.ALL)
+    private List<CustomerParamBill> customerParams;
+    private String creationDate;
+    private String modifiedDate;
+    private Long createdEpochDate;
+    private Long modifiedEpochDate;
+
+    // getters and setters
+}

src/main/java/com/billpaymentservice/bbps/entites/BillerPlanResponseParams.java

@@ -17,7 +17,6 @@ import java.util.List;
 @ToString
 @Table(name = "biller_plan_response_params")
 public class BillerPlanResponseParams {
-
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id; // Primary Key
@@ -25,7 +24,6 @@ public class BillerPlanResponseParams {
     @Column(name = "biller_plan_response_id", nullable = false, unique = true)
     @NotBlank(message = "Biller Plan Response ID cannot be blank")
     private String billerPlanResponseId;
-
     // ✅ params list — since it's not a separate table, we can store as JSON or text
     @Column(name = "params", columnDefinition = "TEXT")
     private String paramsJson;

src/main/java/com/billpaymentservice/bbps/entites/BillerResponse.java

@@ -0,0 +1,60 @@
+package com.billpaymentservice.bbps.entites;
+
+import java.time.LocalDate;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+@Table(name = "biller_response")
+@Getter
+@Setter
+public class BillerResponse {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    @Column(name = "amount")
+    private String amount;
+
+    @Column(name = "bill_date")
+    private String billDate;
+
+    @Column(name = "bill_id")
+    private String billId;
+
+    @Column(name = "bill_number")
+    private String billNumber;
+
+    @Column(name = "bill_period")
+    private String billPeriod;
+
+    @Column(name = "cust_conv_fee")
+    private String custConvFee;
+
+    @Column(name = "cou_cust_conv_fee")
+    private String couCustConvFee;
+
+    @Column(name = "due_date")
+    private String dueDate;
+
+    @Column(name = "customer_name")
+    private String customerName;
+
+    @Column(name = "amount_option")
+    private Boolean amountOption;
+
+    @ManyToOne
+    @JoinColumn(name = "bill_master_id")
+    private BillMaster billMaster;
+
+    // getters and setters
+}

src/main/java/com/billpaymentservice/bbps/entites/BillerResponseParams.java

@@ -17,7 +17,7 @@ public class BillerResponseParams {
     @Column(name = "biller_response_id", nullable = false, unique = true)
     @NotBlank(message = "Biller Response ID is required")
     private String billerResponseId;
-
+  
     // 🔗 One-to-One Relationship with BillerDAO
     @OneToOne
     @JoinColumn(name = "biller_id", nullable = false)

src/main/java/com/billpaymentservice/bbps/entites/CustomerParamBill.java

@@ -0,0 +1,31 @@
+package com.billpaymentservice.bbps.entites;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+@Table(name = "customer_param_bill")
+public class CustomerParamBill {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    private String name;
+    private String value;
+    private String type;
+
+    @ManyToOne
+    @JoinColumn(name = "bill_master_id")
+    private BillMaster billMaster;
+
+    // getters and setters
+}