Storing the filepath of the CSV file in a variable

handlers/currentPercentageHandler.go

 package handlers
 
 import (
+	"Assignment02/utils"
 	"encoding/csv"
 	"fmt"
 	"net/http"
@@ -16,7 +17,7 @@ func HandleGetRequestForCurrentPercentage(w http.ResponseWriter, r *http.Request
 	//countryName := URLParts[??]
 
 	// Open the CSV file
-	fd, err := os.Open("renewable-share-energy.csv")
+	fd, err := os.Open(utils.CsvFilePath)
 	if err != nil {
 		fmt.Println("Error opening CSV file.")
 		fmt.Println(err)

utils/constants.go

@@ -6,3 +6,4 @@ const CURRENT_PATH = "/energy/v1/renewables/current/"
 const HISTORY_PATH = "/energy/v1/renewables/history/"
 const NOTIFICATIONS_PATH = "/energy/v1/notifications/"
 const STATUS_PATH = "/energy/v1/status/"
+const CSV_FILE_PATH = "utils/renewable-share-energy.csv"

utils/variables.go

+package utils
+
+import (
+	"fmt"
+	"path/filepath"
+)
+
+func getCSVFilepath() string {
+	absPath, err := filepath.Abs(CSV_FILE_PATH)
+	if err != nil {
+		fmt.Println("Error getting absolute path:", err)
+	}
+	return absPath
+}
+
+var CsvFilePath = getCSVFilepath()