old folder

tmp

databaseold/EstimatedCall.go

@@ -0,0 +1,89 @@
+package databaseold
+
+import (
+	"context"
+	"crypto/md5"
+	"database/sql"
+	"encoding/hex"
+	"fmt"
+	"ti1/valki"
+
+	"github.com/valkey-io/valkey-go"
+)
+
+func InsertOrUpdateEstimatedCall(ctx context.Context, db *sql.DB, values []interface{}, valkeyClient valkey.Client) (int, string, error) {
+	// Replace empty strings with nil for timestamp fields
+	for i, v := range values {
+		if str, ok := v.(string); ok && str == "" {
+			values[i] = nil
+		}
+	}
+
+	// Convert values to a single string and hash it using MD5
+	var valuesString string
+	for _, v := range values {
+		if v != nil {
+			valuesString += fmt.Sprintf("%v", v)
+		}
+	}
+	hash := md5.Sum([]byte(valuesString))
+	hashString := hex.EncodeToString(hash[:])
+	//fmt.Println("HashString:", hashString)
+
+	estimatedVehicleJourneyID := values[0]
+	orderID := values[1]
+	key := fmt.Sprintf("%v.%v", estimatedVehicleJourneyID, orderID)
+	//fmt.Printf("Estimated Vehicle Journey ID: %v, Order ID: %v\n", estimatedVehicleJourneyID, orderID)
+
+	var err error
+
+	// Get the MD5 hash from Valkey
+	retrievedHash, err := valki.GetValkeyValue(ctx, valkeyClient, key)
+	if err != nil {
+		return 0, "", fmt.Errorf("failed to get value from Valkey: %v", err)
+	}
+
+	// Check if the retrieved value matches the original MD5 hash
+	if retrievedHash != hashString {
+		query := `
+            INSERT INTO calls (
+                estimatedvehiclejourney, "order", stoppointref,
+                aimeddeparturetime, expecteddeparturetime,
+                aimedarrivaltime, expectedarrivaltime,
+                cancellation, estimated_data
+            )
+            VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9)
+            ON CONFLICT (estimatedvehiclejourney, "order")
+            DO UPDATE SET
+                stoppointref = EXCLUDED.stoppointref,
+                aimeddeparturetime = EXCLUDED.aimeddeparturetime,
+                expecteddeparturetime = EXCLUDED.expecteddeparturetime,
+                aimedarrivaltime = EXCLUDED.aimedarrivaltime,
+                expectedarrivaltime = EXCLUDED.expectedarrivaltime,
+                cancellation = EXCLUDED.cancellation,
+                estimated_data = EXCLUDED.estimated_data
+            RETURNING CASE WHEN xmax = 0 THEN 'insert' ELSE 'update' END, id;
+        `
+		stmt, err := db.Prepare(query)
+		if err != nil {
+			return 0, "", fmt.Errorf("error preparing statement: %v", err)
+		}
+		defer stmt.Close()
+
+		err = valki.SetValkeyValue(ctx, valkeyClient, key, hashString)
+		if err != nil {
+			return 0, "", fmt.Errorf("failed to set value in Valkey: %v", err)
+		}
+
+		var action string
+		var id int
+		err = stmt.QueryRow(values...).Scan(&action, &id)
+		if err != nil {
+			return 0, "", fmt.Errorf("error executing statement: %v", err)
+		}
+		return id, action, nil
+	} else {
+		//fmt.Printf("MATCH!!! Original Hash: %s, Retrieved Hash: %s\n", hashString, retrievedHash)
+		return 0, "none", nil
+	}
+}