AO, cit, itat report download code commit.

AppCode/CITHandler.py

@@ -1,5 +1,9 @@
 from AppCode.Config import DBConfig
 import mysql.connector
+import pandas as pd
+import io
+
+
 
 class CITHandler:
 
@@ -75,3 +79,42 @@ class CITHandler:
     def close(self):
         self.cursor.close()
         self.conn.close()
+
+
+    def cit_report_download(self, selected_year):
+            try:
+                # Call stored procedure
+                self.cursor.callproc("GetCITByYear", [selected_year])
+
+                rows = []
+                for result in self.cursor.stored_results():
+                    rows = result.fetchall()
+
+                if not rows:
+                    return None
+
+                df = pd.DataFrame(rows)
+
+                # Excel output
+                output = io.BytesIO()
+                with pd.ExcelWriter(output, engine="xlsxwriter") as writer:
+
+                    for i, (_, row) in enumerate(df.iterrows(), start=1):
+                        # Convert row to vertical format
+                        vertical_df = pd.DataFrame(row).reset_index()
+                        vertical_df.columns = ['Field', 'Value']
+
+                        start_row = (i - 1) * (len(vertical_df) + 3)  # gap between blocks
+                        vertical_df.to_excel(
+                            writer,
+                            sheet_name='CIT_Report',
+                            index=False,
+                            startrow=start_row
+                        )
+
+                output.seek(0)
+                return output
+
+            except mysql.connector.Error as e:
+                print("MySQL Error:", e)
+                return None