added some Estimated Call logic

database/EstimatedCall.go

@@ -0,0 +1,17 @@
+package database
+
+import (
+	"database/sql"
+	"errors"
+	"math/rand"
+)
+
+func InsertOrUpdateEstimatedCall(db *sql.DB, estimatedValues []string) (int, string, error) {
+	if len(estimatedValues) == 0 {
+		return 0, "", errors.New("no estimated values provided")
+	}
+
+	id := rand.Intn(100)
+	action := "tmp"
+	return id, action, nil
+}