Replace due_date_change

Amol/ITIOmniFin/due_date_change

@@ -243,10 +243,12 @@ REPAY_TEMP_CUR_READ : LOOP
 FETCH REPAY_TEMP_CUR INTO V_LOAN_ID, V_SEQ_NO, V_ORG_DUE_DATE, V_DUE_DATE,
                           V_INSTL_AMOUNT, V_PRIN_COMP, V_INT_COMP,
                           V_EXCESS_INT_COMP, V_ADV_FLAG, V_BILL_FLAG, V_PRIN_OS, V_REC_TYPE, V_ORG_SEQ_NO;
+
 IF DONE = 1 THEN
    SET DONE = 0;
    LEAVE REPAY_TEMP_CUR_READ;
 END IF;
+
 IF V_SEQ_NO < V_DEFERAL_FROM_INSTL THEN
    -- Pre-deferal installment logic
    IF V_REC_TYPE = 'P' OR V_REC_TYPE = 'D' THEN
@@ -258,14 +260,22 @@ IF V_SEQ_NO < V_DEFERAL_FROM_INSTL THEN
    SET V_PREV_DUE_DATE = V_DUE_DATE;
    SET V_PREV_PRIN_OS = V_PRIN_OS;
 ELSE
+   -- Regular installment logic
    SET V_ORG_DUE_DATE = DATE_ADD(V_PREV_DUE_DATE, INTERVAL V_FREQ_MONTHS MONTH);
+   
    IF V_SEQ_NO = V_DEFERAL_FROM_INSTL THEN
+      -- Calculate the gap period (e.g., from 06-Oct to 16-Oct)
       SET V_DAYS = GET_DAYS_BETWEEN(V_PREV_DUE_DATE, V_NEXT_DUE_DATE, V_LOAN_DAYS_BASIS);
       SET V_INT_COMP1 = GET_ROUNDED_VALUE((V_PREV_PRIN_OS * V_LOAN_EFF_RATE * V_DAYS) / (V_LOAN_DAYS_PER_YEAR * 100), V_INT_ROUND_TYPE, V_INT_ROUNDING);
+      
+      -- Add this additional interest to the next EMI (calculated in the next loop iteration)
       SET V_NEXT_EMI_INT_COMP = V_INT_COMP1;
       SET V_NEXT_EMI_INSTL_AMOUNT = V_INSTL_AMOUNT + V_INT_COMP1;
+      
+      -- Shift the due date to the next one
       SET V_DUE_DATE = V_NEXT_DUE_DATE;
    ELSE
+      -- Calculate the regular due date
       SET V_DUE_DATE = DATE_ADD(V_PREV_DUE_DATE, INTERVAL V_FREQ_MONTHS MONTH);
       IF EXTRACT(DAY FROM LAST_DAY(V_DUE_DATE)) <= V_LOAN_DUE_DAY THEN
          SET V_DUE_DATE = STR_TO_DATE(CONCAT(EXTRACT(YEAR_MONTH FROM V_DUE_DATE), EXTRACT(DAY FROM LAST_DAY(V_DUE_DATE))), '%Y%m%d');
@@ -273,20 +283,32 @@ ELSE
          SET V_DUE_DATE = STR_TO_DATE(CONCAT(EXTRACT(YEAR_MONTH FROM V_DUE_DATE), V_LOAN_DUE_DAY), '%Y%m%d');
       END IF;
    END IF;
+
+   -- Regular EMI calculation
    SET V_DAYS = GET_DAYS_BETWEEN(V_PREV_DUE_DATE, V_DUE_DATE, V_LOAN_DAYS_BASIS);
    SET V_INT_COMP = GET_ROUNDED_VALUE((V_PREV_PRIN_OS * V_LOAN_EFF_RATE * V_DAYS) / (V_LOAN_DAYS_PER_YEAR * 100), V_INT_ROUND_TYPE, V_INT_ROUNDING);
+   
    IF V_EXCESS_INT_FLAG = 'N' THEN
       SET V_EXCESS_INT_COMP = 0;
    ELSE
       SET V_EXCESS_INT_COMP = V_ORG_INT_COMP - V_INT_COMP;
    END IF;
+
+   -- Principal component adjustment (no changes here)
    SET V_PRIN_COMP = V_INSTL_AMOUNT - V_INT_COMP - V_EXCESS_INT_COMP;
+   
+   -- Prevent principal from becoming negative (for last EMI)
    IF V_PRIN_COMP < 0 THEN
       SET V_PRIN_COMP = 0;
    END IF;
+
+   -- Outstanding principal update
    SET V_PRIN_OS = V_PREV_PRIN_OS - V_PRIN_COMP;
+   
    SET V_PREV_DUE_DATE = V_DUE_DATE;
    SET V_PREV_PRIN_OS = V_PRIN_OS;
+   
+   -- Update the REPAY_TEMP table with the new values for the current EMI
    UPDATE REPAY_TEMP
       SET R_ORG_DUE_DATE = V_ORG_DUE_DATE,
           R_DUE_DATE = V_DUE_DATE,
@@ -299,14 +321,15 @@ ELSE
           R_COUNT = V_COUNT
     WHERE R_LOAN_ID = V_LOAN_ID
       AND R_SEQ_NO = V_SEQ_NO;
-   UPDATE REPAY_TEMP
-      SET R_INT_COMP = V_NEXT_EMI_INT_COMP,
-          R_INSTL_AMOUNT = V_NEXT_EMI_INSTL_AMOUNT
-    WHERE R_LOAN_ID = V_LOAN_ID
-      AND R_SEQ_NO = V_SEQ_NO + 1; 
+   IF V_SEQ_NO = V_DEFERAL_FROM_INSTL THEN
+      UPDATE REPAY_TEMP
+         SET R_INT_COMP = V_NEXT_EMI_INT_COMP,
+             R_INSTL_AMOUNT = V_NEXT_EMI_INSTL_AMOUNT
+       WHERE R_LOAN_ID = V_LOAN_ID
+         AND R_SEQ_NO = V_SEQ_NO + 1; -- Assuming next EMI is the next sequence number
+   END IF;
 END IF;
 END LOOP;
-
 CLOSE REPAY_TEMP_CUR;
 IF V_PRIN_OS <> 0 THEN
 	SET V_PRIN_COMP = V_PRIN_COMP + V_PRIN_OS;