UPDATE: Add ldiff

internal/diff-service/utils.go

@@ -0,0 +1,100 @@
+package diffService
+
+import (
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/verifier"
+	"firefly-launcher/pkg/sevenzip"
+	"github.com/wailsapp/wails/v3/pkg/application"
+	"os"
+	"path/filepath"
+	"io"
+)
+
+func (h *DiffService) DataExtract(gamePath, patchPath string, isSkipVerify bool) (bool, string) {
+	os.RemoveAll(constant.TempUrl)
+	if _, err := os.Stat(gamePath); err != nil {
+		return false, err.Error()
+	}
+
+	if _, err := os.Stat(patchPath); err != nil {
+		return false, err.Error()
+	}
+
+	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
+		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
+			return false, err.Error()
+		}
+	}
+
+	if err := sevenzip.ExtractAllFilesFromZip(patchPath, constant.TempUrl); err != nil {
+		os.RemoveAll(constant.TempUrl)
+		return false, err.Error()
+	}
+
+	if !isSkipVerify {
+		validator, err := verifier.NewVerifier(gamePath, constant.TempUrl)
+		if err != nil {
+			os.RemoveAll(constant.TempUrl)
+			return false, err.Error()
+		}
+
+		if err := validator.VerifyAll(); err != nil {
+			os.RemoveAll(constant.TempUrl)
+			return false, err.Error()
+		}
+	}
+	return true, "validated"
+}
+
+func (h *DiffService) CutData(gamePath string) (bool, string) {
+	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
+		return false, err.Error()
+	}
+
+	err := filepath.Walk(constant.TempUrl, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		relPath, err := filepath.Rel(constant.TempUrl, path)
+		if err != nil {
+			return err
+		}
+		destPath := filepath.Join(gamePath, relPath)
+		application.Get().Event.Emit("diff:message", map[string]string{"message": destPath})
+		if info.IsDir() {
+			return os.MkdirAll(destPath, os.ModePerm)
+		}
+
+		if err := os.MkdirAll(filepath.Dir(destPath), os.ModePerm); err != nil {
+			return err
+		}
+
+		if err := os.Rename(path, destPath); err != nil {
+			srcFile, err := os.Open(path)
+			if err != nil {
+				return err
+			}
+			defer srcFile.Close()
+
+			dstFile, err := os.Create(destPath)
+			if err != nil {
+				return err
+			}
+			defer dstFile.Close()
+
+			if _, err := io.Copy(dstFile, srcFile); err != nil {
+				return err
+			}
+			os.Remove(path)
+		}
+		return nil
+	})
+
+	if err != nil {
+		os.RemoveAll(constant.TempUrl)
+		return false, err.Error()
+	}
+	os.RemoveAll(constant.TempUrl)
+	return true, "cut completed"
+}