start proxy download logic

download/proxy.go

@@ -0,0 +1,64 @@
+package download
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+const (
+	proxyLatestURL = "https://proxy.golang.org/%s/@latest"
+	proxyZipURL    = "https://proxy.golang.org/%s/@v/%s.zip"
+	reposDir       = "_repos/src"
+)
+
+type moduleVersion struct {
+	Version string
+}
+
+// ProxyDownload downloads a package from proxy.golang.org
+func ProxyDownload(path string) error {
+	resp, err := http.Get(fmt.Sprintf(proxyLatestURL, path))
+	if err != nil {
+		return err
+	}
+
+	defer resp.Body.Close()
+
+	var mv moduleVersion
+
+	err = json.NewDecoder(resp.Body).Decode(&mv)
+	if err != nil {
+		return err
+	}
+
+	fmt.Println(mv)
+
+	resp, err = http.Get(fmt.Sprintf(proxyZipURL, path, mv.Version))
+	if err != nil {
+		return err
+	}
+
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return fmt.Errorf("status %d", resp.StatusCode)
+	}
+
+	zipPath := filepath.Base(path) + "@" + mv.Version + ".zip"
+	out, err := os.Create(filepath.Join(reposDir, zipPath))
+	if err != nil {
+		return err
+	}
+
+	defer out.Close()
+
+	_, err = io.Copy(out, resp.Body)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

handlers/checks.go

@@ -95,6 +95,11 @@ func newChecksResp(db *badger.DB, repo string, forceRefresh bool) (checksResp, e
 		return checksResp{}, fmt.Errorf("could not clone repo: %v", err)
 	}
 
+	// err = download.ProxyDownload(repo)
+	// if err != nil {
+	// 	fmt.Println("ERROR:", err)
+	// }
+
 	repo = repoRoot.Root
 	checkResult, err := check.Run(dirName(repo))
 	if err != nil {