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feat(ExifTool): add capability to overwrite metadata of the PDF generated (#776)

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* add new metadata functions to pdf engine interface

* add exiftool module with relevant test cases

* use exiftool to overwrite metadata in libreoffice

* use exiftool to overwrite metadata in chromium

* fix linter issues

* fix more linter issues

* more test cases for better coverage

* remove utils

* minor changes

* remove metadata from pdfoptions

* correct indentation

* read/write metadata one file at a time.
This commit is contained in:
Piyush Srivastava
2024-02-16 18:46:50 +00:00
committed by Julien Neuhart
parent 31e7582216
commit 71911cb1a7
24 changed files with 1433 additions and 39 deletions
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10
pkg/modules/pdfcpu/pdfcpu.go
View File

@@ -54,6 +54,16 @@ func (engine *PdfCpu) Convert(ctx context.Context, logger *zap.Logger, formats g
return fmt.Errorf("convert PDF to '%+v' with PDFcpu: %w", formats, gotenberg.ErrPdfEngineMethodNotSupported)
}
// ReadMetadata is not available in this implementation.
func (engine *PdfCpu) ReadMetadata(ctx context.Context, logger *zap.Logger, inputPaths string, metadata map[string]interface{}) error {
return fmt.Errorf("read PDF metadata with PDFcpu: %w", gotenberg.ErrPdfEngineMethodNotSupported)
}
// WriteMetadata is not available in this implementation.
func (engine *PdfCpu) WriteMetadata(ctx context.Context, logger *zap.Logger, inputPaths string, newMetadata map[string]interface{}) error {
return fmt.Errorf("write PDF metadata with PDFcpu: %w", gotenberg.ErrPdfEngineMethodNotSupported)
}
// Interface guards.
var (
_ gotenberg.Module = (*PdfCpu)(nil)

18
pkg/modules/pdfcpu/pdfcpu_test.go
View File

@@ -102,3 +102,21 @@ func TestPdfCpu_Convert(t *testing.T) {
t.Errorf("expected error %v, but got: %v", gotenberg.ErrPdfEngineMethodNotSupported, err)
}
}
func TestLibreOfficePdfEngine_ReadMetadata(t *testing.T) {
engine := new(PdfCpu)
err := engine.ReadMetadata(context.Background(), zap.NewNop(), "", nil)
if !errors.Is(err, gotenberg.ErrPdfEngineMethodNotSupported) {
t.Errorf("expected error %v, but got: %v", gotenberg.ErrPdfEngineMethodNotSupported, err)
}
}
func TestLibreOfficePdfEngine_WriteMetadata(t *testing.T) {
engine := new(PdfCpu)
err := engine.WriteMetadata(context.Background(), zap.NewNop(), "", nil)
if !errors.Is(err, gotenberg.ErrPdfEngineMethodNotSupported) {
t.Errorf("expected error %v, but got: %v", gotenberg.ErrPdfEngineMethodNotSupported, err)
}
}