Method tryPathMigration

internal/tools/patterns_loader.go:250–297

tryPathMigration attempts to migrate from old pattern paths to new restructured paths

()

// tryPathMigration attempts to migrate from old pattern paths to new restructured paths
func (o *PatternsLoader) tryPathMigration() (err error) {
	// Check if current path is the old "patterns" path
	if o.DefaultFolder.Value == "patterns" {
		fmt.Println(i18n.T("patterns_detected_old_path"))

		// Try the new restructured path
		newPath := "data/patterns"
		testTempFolder := filepath.Join(os.TempDir(), "fabric-patterns-test")

		// Clean up any existing test temp folder
		if err := os.RemoveAll(testTempFolder); err != nil {
			fmt.Printf(i18n.T("patterns_warning_remove_test_folder"), testTempFolder, err)
		}

		// Test if the new path works
		testErr := githelper.FetchFilesFromRepo(githelper.FetchOptions{
			RepoURL:    o.DefaultGitRepoUrl.Value,
			PathPrefix: newPath,
			DestDir:    testTempFolder,
		})

		if testErr == nil {
			// Check if patterns exist in the new path
			if patternCount, countErr := o.countPatternsInDirectory(testTempFolder); countErr == nil && patternCount > 0 {
				fmt.Printf(i18n.T("patterns_found_new_path"), patternCount, newPath)

				// Update the configuration
				o.DefaultFolder.Value = newPath
				// Clean up the main temp folder and replace it with the test one
				os.RemoveAll(o.tempPatternsFolder)
				if renameErr := os.Rename(testTempFolder, o.tempPatternsFolder); renameErr != nil {
					// If rename fails, try copy
					if copyErr := copy.Copy(testTempFolder, o.tempPatternsFolder); copyErr != nil {
						return fmt.Errorf(i18n.T("patterns_failed_move_test_patterns"), copyErr)
					}
					os.RemoveAll(testTempFolder)
				}

				return nil
			}
		}

		// Clean up test folder
		os.RemoveAll(testTempFolder)
	}

	return fmt.Errorf(i18n.T("patterns_unable_to_find_or_migrate"), o.DefaultFolder.Value)
}

// countPatternsInDirectory counts the number of pattern directories in a given directory
func (o *PatternsLoader) countPatternsInDirectory(dir string) (int, error) {