Created a separate validations cleanup script and added instructions …

…in Readme file

README.md

@@ -375,9 +375,15 @@ Change directory to the /scripts inside lantern-back-end and run:
     ./history_cleanup.sh
   ```
 
-Note: Ensure that the duplicateInfoHistoryIds.csv file is present in /lantern-back-end before executing this script.
+This will start the deletion of data from fhir_endpoints_info_history table using the captured identifiers of repetitive entries.
 
-This will start the deletion of data from fhir_endpoints_info_history, validations and validation_results tables using the captured identifiers of repetitive entries.
+ ```bash
+    ./validations_cleanup.sh
+  ```
+
+This will start the deletion of data from validations and validation_results tables using the captured identifiers of repetitive entries.
+
+Note: Ensure that the duplicateInfoHistoryIds.csv file is present in /lantern-back-end before executing the above scripts.
 
 # Running Lantern Services Individually
 

scripts/validations_cleanup.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+
+csv_file="../duplicateInfoHistoryIds.csv"
+DB_NAME=lantern
+DB_USER=lantern
+
+# Check if the file exists
+if [ ! -f "$csv_file" ]; then
+    echo "File $csv_file not found!"
+    exit 1
+fi
+
+# Initial a variable that will hold the validation_result_id from the previous entry.
+VAL_RES_ID=-1
+
+while IFS=',' read -r col1 col2 col3 col4; do
+
+    # If the validation_result_id is not 0 and not already processed, then perform the deletion
+    if [ "${col4}" -ne "0" ] && [ "${VAL_RES_ID}" -ne "${col4}" ]; then
+
+        VAL_RES_ID=$col4
+
+        # Check whether there are entries in the history table having the given validation_result_id and operation = 'I'
+        QUERY=$(echo "SELECT COUNT(*) FROM fhir_endpoints_info_history WHERE operation='I' AND validation_result_id='$col4';")
+        COUNT=$(docker exec -t lantern-back-end_postgres_1 psql -t -U${DB_USER} -d ${DB_NAME} -c "${QUERY}") || echo "Error counting entries from the history table"
+
+        # Delete corresponding entries from the validations and validation_results tables ONLY IF the count is zero.
+        NUMBER=$(echo ${COUNT} | tr -cd '[[:digit:]]')
+        if [ "${NUMBER}" -eq "0" ]; then  
+            echo "($(date)) Deleting entries from the validations table for validation_result_id: $col4"
+
+            # Delete corresponding entry from the validations table
+            QUERY=$(echo "DELETE FROM validations WHERE validation_result_id = '$col4';")
+            (docker exec -t lantern-back-end_postgres_1 psql -t -U${DB_USER} -d ${DB_NAME} -c "${QUERY}") || echo "Error deleting entry from the validations table"
+
+            # Check whether there are entries in the info table having the given validation_result_id
+            QUERY=$(echo "SELECT COUNT(*) FROM fhir_endpoints_info WHERE validation_result_id='$col4';")
+            COUNT=$(docker exec -t lantern-back-end_postgres_1 psql -t -U${DB_USER} -d ${DB_NAME} -c "${QUERY}") || echo "Error counting entries from the validation_results table"
+
+            # Delete corresponding entry from the validation results table ONLY IF the count is zero.
+            NUMBER=$(echo ${COUNT} | tr -cd '[[:digit:]]')
+            if [ "${NUMBER}" -eq "0" ]; then  
+                echo "($(date)) Deleting entries from the validation_results table for id: $col4"
+
+                QUERY=$(echo "DELETE FROM validation_results WHERE id = '$col4';")
+                (docker exec -t lantern-back-end_postgres_1 psql -t -U${DB_USER} -d ${DB_NAME} -c "${QUERY}") || echo "Error deleting entry from the validation_results table"    
+            fi
+        fi
+    fi
+done < "$csv_file"
+
+echo "Validation data cleanup complete."