feat: initial commit for G-Launcher based on Firefly with Horoyoi enhancements

internal/git-service/proxy.go

@@ -0,0 +1,67 @@
+package gitService
+
+import (
+	"encoding/json"
+	"g-launcher/pkg/constant"
+	"g-launcher/pkg/models"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (g *GitService) GetLatestProxyVersion() (bool, string, string) {
+	resp, err := http.Get(constant.ProxyGitUrl)
+	if err != nil {
+		return false, "", err.Error()
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var releases []models.ReleaseType
+	err = json.Unmarshal(body, &releases)
+	if err != nil {
+		return false, "", err.Error()
+	}
+
+	if len(releases) == 0 {
+		return false, "", "no releases found"
+	}
+
+	return true, releases[0].TagName, ""
+}
+
+func (g *GitService) DownloadProxyProgress(version string) (bool, string) {
+	asset, ok := g.getReleaseAsset(version, constant.ProxyGitUrl, constant.ProxyFile)
+	if !ok {
+		return false, "no release found"
+	}
+
+	if err := os.MkdirAll(constant.ProxyStorageUrl, 0755); err != nil {
+		return false, err.Error()
+	}
+
+	saveFile := filepath.Join(constant.ProxyStorageUrl, asset.Name)
+	tmpPath, err := g.downloadFileParallel(saveFile, asset.BrowserDownloadURL, 4, func(percent float64, speed string) {
+		application.Get().Event.Emit("download:proxy", map[string]interface{}{
+			"percent": fmt.Sprintf("%.2f", percent),
+			"speed":   speed,
+		})
+	})
+	if err != nil {
+		return false, err.Error()
+	}
+	for i := 0; i < 3; i++ {
+		if err := os.Rename(tmpPath, saveFile); err == nil {
+			return true, ""
+		}
+		time.Sleep(300 * time.Millisecond)
+	}
+	return false, "failed to rename tmp file after retries"
+}
+