implement AppConfig and refactored AppContext

main.go

@@ -9,6 +9,7 @@ import (
 	"strconv"
 	"strings"
 
+	"ketotrack/config"
 	"ketotrack/data"
 	"ketotrack/model"
 )
@@ -38,9 +39,14 @@ func init() {
 }
 
 func main() {
-	var appCtx data.AppContext
+	appConfig := config.Load()
+	appCtx, err := data.NewContext(appConfig.DataPath)
+	if err != nil {
+		fmt.Printf("Error initializing application context: %s\n", err)
+		return
+	}
 
-	if err := appCtx.LoadRecords(recordsFilename); err != nil {
+	if err := appCtx.LoadRecords(); err != nil {
 		fmt.Printf("Error loading records from file: %s\n", err)
 	}
 
@@ -79,7 +85,7 @@ func main() {
 	}
 
 	// Save Records before exiting
-	if err := appCtx.SaveRecords(recordsFilename); err != nil {
+	if err := appCtx.SaveRecords(); err != nil {
 		fmt.Printf("Error saving records to file: %s\n", err)
 	}
 }