feat: rebind mobile

services/analysis/internal/callback/zip.go

@@ -0,0 +1,88 @@
+package callback
+
+import (
+	"archive/zip"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"lone-services/pkg/utils"
+	"lone-services/services/analysis/internal/dao"
+)
+
+func HandleTaskZip(zipPath string) (*dao.HandleZipResource, string, error) {
+	targetDir := filepath.Dir(zipPath)
+	subDirName := strings.TrimSuffix(filepath.Base(zipPath), filepath.Ext(zipPath))
+	finalDir := filepath.Join(targetDir, subDirName)
+
+	coverPath, err := unzipImages(zipPath, finalDir)
+	if err != nil {
+		return nil, utils.StringEmpty, err
+	}
+
+	return &dao.HandleZipResource{
+		FilePath:  zipPath,
+		FinalDir:  finalDir,
+		TargetDir: targetDir,
+	}, coverPath, nil
+}
+
+func unzipImages(zipPath, targetDir string) (string, error) {
+	if err := os.MkdirAll(targetDir, os.ModePerm); err != nil {
+		return utils.StringEmpty, err
+	}
+
+	r, err := zip.OpenReader(zipPath)
+	if err != nil {
+		return utils.StringEmpty, err
+	}
+	defer r.Close()
+
+	var crossMidPath string
+	for _, f := range r.File {
+		ext := strings.ToLower(filepath.Ext(f.Name))
+		if !isImageExt(ext) {
+			continue
+		}
+
+		rc, err := f.Open()
+		if err != nil {
+			continue
+		}
+
+		filename := filepath.Base(f.Name)
+		if filename == utils.StringEmpty {
+			_ = rc.Close()
+			continue
+		}
+
+		fullPath := filepath.Join(targetDir, filename)
+		dst, err := os.Create(fullPath)
+		if err != nil {
+			_ = rc.Close()
+			continue
+		}
+
+		_, copyErr := io.Copy(dst, rc)
+		_ = dst.Close()
+		_ = rc.Close()
+		if copyErr != nil {
+			continue
+		}
+
+		if strings.EqualFold(filename, "cross_mid.jpg") {
+			crossMidPath = fullPath
+		}
+	}
+	return crossMidPath, nil
+}
+
+func isImageExt(ext string) bool {
+	switch ext {
+	case ".jpg", ".jpeg", ".png", ".gif":
+		return true
+	default:
+		return false
+	}
+}