Add db and types

main.go

@@ -2,6 +2,12 @@ package main
 
 import (
 	"embed"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"sync"
 
 	"github.com/wailsapp/wails/v2"
 	"github.com/wailsapp/wails/v2/pkg/options"
@@ -11,12 +17,44 @@ import (
 //go:embed all:frontend/dist
 var assets embed.FS
 
+var Error *log.Logger
+func init() {
+	log.SetFlags(log.Lmicroseconds | log.Lshortfile)
+	logFile, err := os.Create("main.log")
+	if err != nil {
+		log.Printf("Error creating log file: %v", err)
+		os.Exit(1)
+	}
+	logger := io.MultiWriter(os.Stdout, logFile)
+	log.SetOutput(logger)
+
+	Error = log.New(io.MultiWriter(logFile, os.Stderr, os.Stdout),
+		fmt.Sprintf("%sERROR:%s ", "\033[0;101m", "\033[0m"),
+		log.Lmicroseconds|log.Lshortfile)
+}
+
 func main() {
+	var wg sync.WaitGroup
+	wg.Add(1)
+	
+	dbpath := flag.String("db", "food.db", "Path to the database file")
+	flag.Parse()
+
+	db := DB{path: *dbpath}
+	err := db.Open()
+	if err != nil {
+		Error.Printf("%++v", err)
+		os.Exit(1)
+	}
+
+	log.Println("done")
+	wg.Wait()
+
 	// Create an instance of the app structure
 	app := NewApp()
 
 	// Create application with options
-	err := wails.Run(&options.App{
+	err = wails.Run(&options.App{
 		Title:  "calorie-counter",
 		Width:  1024,
 		Height: 768,