dmxconnect/app.go

package main

import (
	"context"
	"dmxconnect/hardware"
	"fmt"
	"io"
	"time"

	"github.com/rs/zerolog/log"

	"os"
	"strings"
	"sync"
)

// App struct
type App struct {
	ctx             context.Context
	cancelFunc      context.CancelFunc
	hardwareManager *hardware.HardwareManager // For managing all the hardware
	wmiMutex        sync.Mutex                // Avoid some WMI operations at the same time
	projectInfo     ProjectInfo               // The project information structure
	projectSave     string                    // The file name of the project
}

// NewApp creates a new App application struct
func NewApp() *App {
	// Create a new hadware manager
	hardwareManager := hardware.NewHardwareManager()
	hardwareManager.RegisterFinder(hardware.NewMIDIFinder(5 * time.Second))
	hardwareManager.RegisterFinder(hardware.NewFTDIFinder(5 * time.Second))
	hardwareManager.RegisterFinder(hardware.NewOS2LFinder())
	return &App{
		hardwareManager: hardwareManager,
		projectSave:     "",
		projectInfo: ProjectInfo{
			PeripheralsInfo: make(map[string]hardware.PeripheralInfo),
		},
	}
}

// startup is called when the app starts. The context is saved
// so we can call the runtime methods
func (a *App) onStartup(ctx context.Context) {
	a.ctx, a.cancelFunc = context.WithCancel(ctx)
	err := a.hardwareManager.Start(a.ctx)
	if err != nil {
		log.Err(err).Str("file", "app").Msg("unable to start the hardware manager")
		return
	}
}

// onReady is called when the DOM is ready
// We get the current peripherals connected
func (a *App) onReady(ctx context.Context) {
	// log.Debug().Str("file", "peripherals").Msg("getting peripherals...")
	// err := a.hardwareManager.Scan()
	// if err != nil {
	// 	log.Err(err).Str("file", "app").Msg("unable to get the peripherals")
	// }
	return
}

// onShutdown is called when the app is closing
// We stop all the pending processes
func (a *App) onShutdown(ctx context.Context) {
	// Close the application properly
	log.Trace().Str("file", "app").Msg("app is closing")
	// Explicitly close the context
	a.cancelFunc()
	err := a.hardwareManager.Stop()
	if err != nil {
		log.Err(err).Str("file", "app").Msg("unable to stop the hardware manager")
	}
	return
}

func formatString(input string) string {
	// Convertir en minuscules
	lowerCaseString := strings.ToLower(input)
	// Remplacer les espaces par des underscores
	formattedString := strings.ReplaceAll(lowerCaseString, " ", "_")
	return formattedString
}

func copy(src, dst string) (int64, error) {
	sourceFileStat, err := os.Stat(src)
	if err != nil {
		return 0, err
	}

	if !sourceFileStat.Mode().IsRegular() {
		return 0, fmt.Errorf("%s is not a regular file", src)
	}

	source, err := os.Open(src)
	if err != nil {
		return 0, err
	}
	defer source.Close()

	destination, err := os.Create(dst)
	if err != nil {
		return 0, err
	}
	defer destination.Close()
	nBytes, err := io.Copy(destination, source)
	return nBytes, err
}