UPDATE: Add mutithread download

internal/git-service/proxy.go

@@ -1,6 +1,7 @@
 package gitService
 
 import (
+	"encoding/json"
 	"firefly-launcher/pkg/constant"
 	"firefly-launcher/pkg/models"
 	"fmt"
@@ -8,7 +9,8 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
-	"encoding/json"
+	"time"
+
 	"github.com/wailsapp/wails/v3/pkg/application"
 )
 
@@ -35,72 +37,35 @@ func (g *GitService) GetLatestProxyVersion() (bool, string, string) {
 }
 
 func (g *GitService) DownloadProxyProgress(version string) (bool, string) {
-	resp, err := http.Get(constant.ProxyGitUrl)
-	if err != nil {
-		panic(err)
-	}
-	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"
-	}
-
-	var releaseData *models.ReleaseType
-	for _, release := range releases {
-		if release.TagName == version {
-			releaseData = release
-			break
-		}
-	}
-
-	if releaseData == nil || releaseData.TagName == "" {
+	asset, ok := g.getReleaseAsset(version, constant.ProxyGitUrl, constant.ProxyZipFile)
+	if !ok {
 		return false, "no release found"
 	}
 
-	var assetWin models.AssetType
-	for _, asset := range releaseData.Assets {
-		if asset.Name == constant.ProxyZipFile {
-			assetWin = asset
-			break
-		}
+	if err := os.MkdirAll(constant.ProxyStorageUrl, 0755); err != nil {
+		return false, err.Error()
 	}
 
-	if assetWin.Name == "" {
-		return false, "no assets found"
-	}
-
-	if err := os.Mkdir(constant.ProxyStorageUrl, 0755); err != nil {
-		if !os.IsExist(err) {
-			return false, err.Error()
-		}
-	}
-	saveFile := filepath.Join(constant.ProxyStorageUrl, assetWin.Name)
-
-	resp, err = http.Get(assetWin.BrowserDownloadURL)
+	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()
 	}
-	defer resp.Body.Close()
-
-	DownloadFile(saveFile, assetWin.BrowserDownloadURL, func(percent float64, speed float64) {
-		application.Get().Event.Emit("download:proxy", map[string]interface{}{
-			"percent": fmt.Sprintf("%.2f", percent),
-			"speed":   fmt.Sprintf("%.2f", speed),
-		})
-
-	})
-	return true, ""
+	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"
 }
 
 func (g *GitService) UnzipProxy() {
-	unzipParallel(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile), constant.ProxyStorageUrl)
+	g.unzipParallel(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile), constant.ProxyStorageUrl)
 	os.Remove(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile))
-}
+}