Add new version check

Author: RikudouSage

browser/OpenUrl.go

@@ -0,0 +1,28 @@
+package browser
+
+import (
+	"os/exec"
+	"runtime"
+)
+
+func OpenUrl(url string) error {
+	var cmd string
+	var args []string
+
+	switch runtime.GOOS {
+	case "windows":
+		cmd = "cmd"
+		args = []string{"/c", "start"}
+		break
+	case "darwin":
+		cmd = "open"
+		break
+	default:
+		cmd = "xdg-open"
+		break
+	}
+
+	args = append(args, url)
+
+	return exec.Command(cmd, args...).Start()
+}

go.mod

@@ -2,7 +2,10 @@ module LargeCsvReader
 
 go 1.22
 
-require fyne.io/fyne/v2 v2.5.1
+require (
+	fyne.io/fyne/v2 v2.5.1
+	github.com/hashicorp/go-version v1.7.0
+)
 
 require (
 	fyne.io/systray v1.11.0 // indirect

go.sum

@@ -186,6 +186,8 @@ github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerX
 github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4=
 github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/go-version v1.7.0 h1:5tqGy27NaOTB8yJKUZELlFAS/LTKJkrmONwQKeRZfjY=
+github.com/hashicorp/go-version v1.7.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=

main.go

@@ -1,9 +1,11 @@
 package main
 
 import (
+	"LargeCsvReader/browser"
 	"LargeCsvReader/widgets"
 	"embed"
 	"encoding/csv"
+	"fmt"
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/app"
 	"fyne.io/fyne/v2/container"
@@ -12,16 +14,78 @@ import (
 	"fyne.io/fyne/v2/layout"
 	"fyne.io/fyne/v2/storage"
 	"fyne.io/fyne/v2/widget"
+	"github.com/hashicorp/go-version"
 	"io"
+	"net/http"
 	"os"
+	"regexp"
 	"strings"
 )
 
+const repository = "https://github.com/RikudouSage/LargeCsvReader"
+
 //go:embed translation
 var translations embed.FS
 
 //go:embed assets/appversion
-var version string
+var appVersion string
+
+func checkForNewVersion(window fyne.Window) {
+	currentVersion, err := version.NewVersion(strings.TrimSpace(appVersion))
+	if err != nil || currentVersion.String() == "dev" {
+		fmt.Println(err)
+		return
+	}
+
+	const url = repository + "/releases/latest"
+	httpClient := &http.Client{
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+	response, err := httpClient.Get(url)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	response.Body.Close()
+
+	redirectUrl := response.Header.Get("Location")
+	if redirectUrl == "" {
+		return
+	}
+
+	regex := regexp.MustCompile("https://.*/v([0-9.]+)")
+	matches := regex.FindStringSubmatch(redirectUrl)
+	if len(matches) < 2 {
+		return
+	}
+
+	newestVersion, err := version.NewVersion(matches[1])
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	if newestVersion.GreaterThan(currentVersion) {
+		dialog.ShowConfirm(
+			lang.X("app.new_version.title", "New version found!"),
+			lang.X("app.new_version.description", "Do you want to download the newest version?"),
+			func(result bool) {
+				if !result {
+					return
+				}
+
+				err = browser.OpenUrl(redirectUrl)
+				if err != nil {
+					fmt.Println(err)
+					return
+				}
+			},
+			window,
+		)
+	}
+}
 
 func showPreviewWindow(filePath string, fyneApp fyne.App) {
 	window := fyneApp.NewWindow(lang.X("app.preview", "Preview"))
@@ -173,7 +237,7 @@ func main() {
 		panic(err)
 	}
 
-	window := fyneApp.NewWindow(lang.X("app.title", "Large CSV Reader") + " (" + strings.TrimSpace(version) + ")")
+	window := fyneApp.NewWindow(lang.X("app.title", "Large CSV Reader") + " (" + strings.TrimSpace(appVersion) + ")")
 	window.Resize(fyne.NewSize(640, 480))
 	window.SetMaster()
 
@@ -196,6 +260,8 @@ func main() {
 		),
 	))
 
+	go checkForNewVersion(window)
+
 	window.Show()
 	fyneApp.Run()
 }

translation/cs.json

@@ -7,5 +7,7 @@
   "app.load_more_button": "Načíst více",
   "app.separator": "Oddělovač",
   "app.choose_csv_button.description": "Pomocí tlačítka níže zvolte CSV soubor, který chcete načíst",
-  "app.choose_csv_button": "Otevřít CSV"
+  "app.choose_csv_button": "Otevřít CSV",
+  "app.new_version.title": "Nalezena nová verze!",
+  "app.new_version.description": "Chcete novější verzi stáhnout?"
 }