feat(exiftool): refactor read write metadata

pkg/modules/libreoffice/pdfengine/pdfengine.go

@@ -72,12 +72,12 @@ func (engine *LibreOfficePdfEngine) Convert(ctx context.Context, logger *zap.Log
 }
 
 // ReadMetadata is not available in this implementation.
-func (engine *LibreOfficePdfEngine) ReadMetadata(ctx context.Context, logger *zap.Logger, inputPaths string, metadata map[string]interface{}) error {
-	return fmt.Errorf("read PDF metadata with LibreOffice: %w", gotenberg.ErrPdfEngineMethodNotSupported)
+func (engine *LibreOfficePdfEngine) ReadMetadata(ctx context.Context, logger *zap.Logger, inputPath string) (map[string]interface{}, error) {
+	return nil, fmt.Errorf("read PDF metadata with LibreOffice: %w", gotenberg.ErrPdfEngineMethodNotSupported)
 }
 
 // WriteMetadata is not available in this implementation.
-func (engine *LibreOfficePdfEngine) WriteMetadata(ctx context.Context, logger *zap.Logger, inputPaths string, newMetadata map[string]interface{}) error {
+func (engine *LibreOfficePdfEngine) WriteMetadata(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
 	return fmt.Errorf("write PDF metadata with LibreOffice: %w", gotenberg.ErrPdfEngineMethodNotSupported)
 }
 

pkg/modules/libreoffice/pdfengine/pdfengine_test.go

@@ -169,7 +169,7 @@ func TestLibreOfficePdfEngine_Convert(t *testing.T) {
 
 func TestLibreOfficePdfEngine_ReadMetadata(t *testing.T) {
 	engine := new(LibreOfficePdfEngine)
-	err := engine.ReadMetadata(context.Background(), zap.NewNop(), "", nil)
+	_, err := engine.ReadMetadata(context.Background(), zap.NewNop(), "")
 
 	if !errors.Is(err, gotenberg.ErrPdfEngineMethodNotSupported) {
 		t.Errorf("expected error %v, but got: %v", gotenberg.ErrPdfEngineMethodNotSupported, err)
@@ -178,7 +178,7 @@ func TestLibreOfficePdfEngine_ReadMetadata(t *testing.T) {
 
 func TestLibreOfficePdfEngine_WriteMetadata(t *testing.T) {
 	engine := new(LibreOfficePdfEngine)
-	err := engine.WriteMetadata(context.Background(), zap.NewNop(), "", nil)
+	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)

pkg/modules/libreoffice/routes.go

@@ -46,11 +46,10 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 				Bool("nativePdfFormats", &nativePdfFormats, true).
 				Bool("merge", &merge, false).
 				Custom("metadata", func(value string) error {
-					metadata = map[string]interface{}{}
 					if len(value) > 0 {
 						err := json.Unmarshal([]byte(value), &metadata)
 						if err != nil {
-							return err
+							return fmt.Errorf("unmarshal metadata: %w", err)
 						}
 					}
 					return nil
@@ -102,8 +101,7 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 				}
 			}
 
-			// So far so good, let's check if we have to merge the PDFs. Quick
-			// win: if there is only one PDF, skip this step.
+			// So far so good, let's check if we have to merge the PDFs.
 			if len(outputPaths) > 1 && merge {
 				outputPath := ctx.GeneratePath(".pdf")
 
@@ -112,42 +110,12 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 					return fmt.Errorf("merge PDFs: %w", err)
 				}
 
-				// Now, let's check if the client want to convert this
-				// resulting PDF to specific PDF formats.
-				zeroValued := gotenberg.PdfFormats{}
-				if !nativePdfFormats && pdfFormats != zeroValued {
-					convertInputPath := outputPath
-					convertOutputPath := ctx.GeneratePath(".pdf")
-
-					err = engine.Convert(ctx, ctx.Log(), pdfFormats, convertInputPath, convertOutputPath)
-					if err != nil {
-						return fmt.Errorf("convert PDF: %w", err)
-					}
-
-					// Important: the output path is now the converted file.
-					outputPath = convertOutputPath
-				}
-
-				// Writes and potentially overrides metadata entries, if any.
-				if len(metadata) > 0 {
-					err = engine.WriteMetadata(ctx, ctx.Log(), outputPath, metadata)
-					if err != nil {
-						return fmt.Errorf("write metadata failure: %w", err)
-					}
-				}
-
-				// Last but not least, add the output path to the context so that
-				// the API is able to send it as a response to the client.
-				err = ctx.AddOutputPaths(outputPath)
-				if err != nil {
-					return fmt.Errorf("add output path: %w", err)
-				}
-
-				return nil
+				// Only one output path.
+				outputPaths = []string{outputPath}
 			}
 
-			// Ok, we don't have to merge the PDFs. Let's check if the client
-			// want to convert each PDF to a specific PDF format.
+			// Let's check if the client want to convert each PDF to a specific
+			// PDF format.
 			zeroValued := gotenberg.PdfFormats{}
 			if !nativePdfFormats && pdfFormats != zeroValued {
 				convertOutputPaths := make([]string, len(outputPaths))
@@ -166,6 +134,16 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 				outputPaths = convertOutputPaths
 			}
 
+			// Writes and potentially overrides metadata entries, if any.
+			if len(metadata) > 0 {
+				for _, outputPath := range outputPaths {
+					err = engine.WriteMetadata(ctx, ctx.Log(), metadata, outputPath)
+					if err != nil {
+						return fmt.Errorf("write metadata: %w", err)
+					}
+				}
+			}
+
 			if len(outputPaths) > 1 {
 				// If .zip archive, document.docx -> document.docx.pdf.
 				for i, inputPath := range inputPaths {
@@ -180,16 +158,6 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 				}
 			}
 
-			// Writes and potentially overrides metadata entries, if any.
-			if len(metadata) > 0 {
-				for _, outputPath := range outputPaths {
-					err = engine.WriteMetadata(ctx, ctx.Log(), outputPath, metadata)
-					if err != nil {
-						return fmt.Errorf("write metadata: %w", err)
-					}
-				}
-			}
-
 			// Last but not least, add the output paths to the context so that
 			// the API is able to send them as a response to the client.
 			err = ctx.AddOutputPaths(outputPaths...)

pkg/modules/libreoffice/routes_test.go

@@ -39,6 +39,28 @@ func TestConvertRoute(t *testing.T) {
 			expectHttpStatus:       http.StatusBadRequest,
 			expectOutputPathsCount: 0,
 		},
+		{
+			scenario: "invalid metadata form field",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"document.docx": "/document.docx",
+				})
+				ctx.SetValues(map[string][]string{
+					"metadata": {
+						"foo",
+					},
+				})
+				return ctx
+			}(),
+			libreOffice: &libreofficeapi.ApiMock{ExtensionsMock: func() []string {
+				return []string{".docx"}
+			}},
+			expectError:            true,
+			expectHttpError:        true,
+			expectHttpStatus:       http.StatusBadRequest,
+			expectOutputPathsCount: 0,
+		},
 		{
 			scenario: "ErrPdfFormatNotSupported (nativePdfFormats)",
 			ctx: func() *api.ContextMock {
@@ -110,7 +132,39 @@ func TestConvertRoute(t *testing.T) {
 			expectOutputPathsCount: 0,
 		},
 		{
-			scenario: "PDF engine convert error (single file)",
+			scenario: "PDF engine merge error",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"document.docx":  "/document.docx",
+					"document2.docx": "/document2.docx",
+				})
+				ctx.SetValues(map[string][]string{
+					"merge": {
+						"true",
+					},
+				})
+				return ctx
+			}(),
+			libreOffice: &libreofficeapi.ApiMock{
+				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
+					return nil
+				},
+				ExtensionsMock: func() []string {
+					return []string{".docx"}
+				},
+			},
+			engine: &gotenberg.PdfEngineMock{
+				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
+					return errors.New("foo")
+				},
+			},
+			expectError:            true,
+			expectHttpError:        false,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "PDF engine convert error",
 			ctx: func() *api.ContextMock {
 				ctx := &api.ContextMock{Context: new(api.Context)}
 				ctx.SetFiles(map[string]string{
@@ -144,13 +198,17 @@ func TestConvertRoute(t *testing.T) {
 			expectOutputPathsCount: 0,
 		},
 		{
-			scenario: "cannot add output paths (single file)",
+			scenario: "PDF engine write metadata error",
 			ctx: func() *api.ContextMock {
 				ctx := &api.ContextMock{Context: new(api.Context)}
 				ctx.SetFiles(map[string]string{
 					"document.docx": "/document.docx",
 				})
-				ctx.SetCancelled(true)
+				ctx.SetValues(map[string][]string{
+					"metadata": {
+						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
+					},
+				})
 				return ctx
 			}(),
 			libreOffice: &libreofficeapi.ApiMock{
@@ -161,31 +219,15 @@ func TestConvertRoute(t *testing.T) {
 					return []string{".docx"}
 				},
 			},
+			engine: &gotenberg.PdfEngineMock{
+				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
+					return errors.New("foo")
+				},
+			},
 			expectError:            true,
 			expectHttpError:        false,
 			expectOutputPathsCount: 0,
 		},
-		{
-			scenario: "success (single file)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx": "/document.docx",
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			expectError:            false,
-			expectHttpError:        false,
-			expectOutputPathsCount: 1,
-		},
 		{
 			scenario: "cannot rename many files",
 			ctx: func() *api.ContextMock {
@@ -212,6 +254,78 @@ func TestConvertRoute(t *testing.T) {
 			expectHttpError:        false,
 			expectOutputPathsCount: 0,
 		},
+		{
+			scenario: "cannot add output paths",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"document.docx": "/document.docx",
+				})
+				ctx.SetCancelled(true)
+				return ctx
+			}(),
+			libreOffice: &libreofficeapi.ApiMock{
+				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
+					return nil
+				},
+				ExtensionsMock: func() []string {
+					return []string{".docx"}
+				},
+			},
+			expectError:            true,
+			expectHttpError:        false,
+			expectOutputPathsCount: 0,
+		},
+		{
+			scenario: "success (single file)",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetFiles(map[string]string{
+					"document.docx":  "/document.docx",
+					"document2.docx": "/document2.docx",
+				})
+				ctx.SetValues(map[string][]string{
+					"merge": {
+						"true",
+					},
+					"pdfa": {
+						gotenberg.PdfA1b,
+					},
+					"pdfua": {
+						"true",
+					},
+					"nativePdfFormats": {
+						"false",
+					},
+					"metadata": {
+						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
+					},
+				})
+				return ctx
+			}(),
+			libreOffice: &libreofficeapi.ApiMock{
+				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
+					return nil
+				},
+				ExtensionsMock: func() []string {
+					return []string{".docx"}
+				},
+			},
+			engine: &gotenberg.PdfEngineMock{
+				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
+					return nil
+				},
+				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
+					return nil
+				},
+				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
+					return nil
+				},
+			},
+			expectError:            false,
+			expectHttpError:        false,
+			expectOutputPathsCount: 1,
+		},
 		{
 			scenario: "success (many files)",
 			ctx: func() *api.ContextMock {
@@ -221,6 +335,20 @@ func TestConvertRoute(t *testing.T) {
 					"document2.docx": "/document2.docx",
 					"document2.doc":  "/document2.doc",
 				})
+				ctx.SetValues(map[string][]string{
+					"pdfa": {
+						gotenberg.PdfA1b,
+					},
+					"pdfua": {
+						"true",
+					},
+					"nativePdfFormats": {
+						"false",
+					},
+					"metadata": {
+						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
+					},
+				})
 				ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
 					return nil
 				}})
@@ -234,328 +362,35 @@ func TestConvertRoute(t *testing.T) {
 					return []string{".docx", ".doc"}
 				},
 			},
+			engine: &gotenberg.PdfEngineMock{
+				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
+					return nil
+				},
+				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
+					return nil
+				},
+				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, metadata map[string]interface{}, inputPath string) error {
+					return nil
+				},
+			},
 			expectError:            false,
 			expectHttpError:        false,
 			expectOutputPathsCount: 3,
 			expectOutputPaths:      []string{"/document.docx.pdf", "/document2.docx.pdf", "/document2.doc.pdf"},
 		},
 		{
-			scenario: "success with non-native PDF/A & PDF/UA (many files)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"pdfa": {
-						gotenberg.PdfA1b,
-					},
-					"pdfua": {
-						"true",
-					},
-					"nativePdfFormats": {
-						"false",
-					},
-				})
-				ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
-					return nil
-				}})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-			},
-			expectError:            false,
-			expectHttpError:        false,
-			expectOutputPathsCount: 2,
-			expectOutputPaths:      []string{"/document.docx.pdf", "/document2.docx.pdf"},
-		},
-		{
-			scenario: "success with native PDF/A & PDF/UA (many files)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"pdfa": {
-						gotenberg.PdfA1b,
-					},
-					"pdfua": {
-						"true",
-					},
-				})
-				ctx.SetPathRename(&gotenberg.PathRenameMock{RenameMock: func(oldpath, newpath string) error {
-					return nil
-				}})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-			},
-			expectError:            false,
-			expectHttpError:        false,
-			expectOutputPathsCount: 2,
-			expectOutputPaths:      []string{"/document.docx.pdf", "/document2.docx.pdf"},
-		},
-		{
-			scenario: "merge error",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
-					return errors.New("foo")
-				},
-			},
-			expectError:            true,
-			expectHttpError:        false,
-			expectOutputPathsCount: 0,
-		},
-		{
-			scenario: "PDF engine convert error (merge)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-					"pdfa": {
-						gotenberg.PdfA1b,
-					},
-					"nativePdfFormats": {
-						"false",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
-					return nil
-				},
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return errors.New("foo")
-				},
-			},
-			expectError:            true,
-			expectHttpError:        false,
-			expectOutputPathsCount: 0,
-		},
-		{
-			scenario: "cannot add output paths (merge)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-				})
-				ctx.SetCancelled(true)
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
-					return nil
-				},
-			},
-			expectError:            true,
-			expectHttpError:        false,
-			expectOutputPathsCount: 0,
-		},
-		{
-			scenario: "success (merge)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
-					return nil
-				},
-			},
-			expectError:            false,
-			expectHttpError:        false,
-			expectOutputPathsCount: 1,
-		},
-		{
-			scenario: "success with non-native PDF/A & PDF/UA (merge)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-					"pdfa": {
-						gotenberg.PdfA1b,
-					},
-					"pdfua": {
-						"true",
-					},
-					"nativePdfFormats": {
-						"false",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
-					return nil
-				},
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-			},
-			expectError:            false,
-			expectHttpError:        false,
-			expectOutputPathsCount: 1,
-		},
-		{
-			scenario: "success with non-native PDF/A & PDF/UA (merge)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-					"pdfa": {
-						gotenberg.PdfA1b,
-					},
-					"pdfua": {
-						"true",
-					},
-					"nativePdfFormats": {
-						"false",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
-					return nil
-				},
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-			},
-			expectError:            false,
-			expectHttpError:        false,
-			expectOutputPathsCount: 1,
-		},
-		{
-			scenario: "success with metadata (single file)",
+			scenario: "success with native PDF/A & PDF/UA",
 			ctx: func() *api.ContextMock {
 				ctx := &api.ContextMock{Context: new(api.Context)}
 				ctx.SetFiles(map[string]string{
 					"document.docx": "/document.docx",
 				})
 				ctx.SetValues(map[string][]string{
-					"metadata": {
-						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
+					"pdfa": {
+						gotenberg.PdfA1b,
+					},
+					"pdfua": {
+						"true",
 					},
 				})
 				return ctx
@@ -568,293 +403,10 @@ func TestConvertRoute(t *testing.T) {
 					return []string{".docx"}
 				},
 			},
-			engine: &gotenberg.PdfEngineMock{
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string, newMetadata map[string]interface{}) error {
-					return nil
-				},
-			},
 			expectError:            false,
 			expectHttpError:        false,
 			expectOutputPathsCount: 1,
 		},
-		{
-			scenario: "success with metadata (many files)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"metadata": {
-						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string, newMetadata map[string]interface{}) error {
-					return nil
-				},
-			},
-			expectError:            false,
-			expectHttpError:        false,
-			expectOutputPathsCount: 2,
-		},
-		{
-			scenario: "error with metadata (single file)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx": "/document.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"metadata": {
-						// invalid json
-						"{\"Creator\"",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			expectError:            true,
-			expectHttpError:        true,
-			expectHttpStatus:       http.StatusBadRequest,
-			expectOutputPathsCount: 0,
-		},
-		{
-			scenario: "error with metadata (many files)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"metadata": {
-						// invalid json
-						"{\"Creator\"",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			expectError:            true,
-			expectHttpError:        true,
-			expectHttpStatus:       http.StatusBadRequest,
-			expectOutputPathsCount: 0,
-		},
-		{
-			scenario: "error with metadata write failure (single file)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx": "/document.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"metadata": {
-						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string, newMetadata map[string]interface{}) error {
-					return errors.New("foo")
-				},
-			},
-			expectError:            true,
-			expectHttpError:        false,
-			expectOutputPathsCount: 0,
-		},
-		{
-			scenario: "error with metadata write failure (many files)",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"metadata": {
-						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string, newMetadata map[string]interface{}) error {
-					return errors.New("foo")
-				},
-			},
-			expectError:            true,
-			expectHttpError:        false,
-			expectOutputPathsCount: 0,
-		},
-		{
-			scenario: "success merge with metadata",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-					"metadata": {
-						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
-					return nil
-				},
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string, newMetadata map[string]interface{}) error {
-					return nil
-				},
-			},
-			expectError:            false,
-			expectHttpError:        false,
-			expectOutputPathsCount: 1,
-		},
-		{
-			scenario: "error merge with metadata",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-					"metadata": {
-						// invalid json
-						"{\"Creator",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			expectError:            true,
-			expectHttpError:        true,
-			expectHttpStatus:       http.StatusBadRequest,
-			expectOutputPathsCount: 0,
-		},
-		{
-			scenario: "error merge with metadata write failure",
-			ctx: func() *api.ContextMock {
-				ctx := &api.ContextMock{Context: new(api.Context)}
-				ctx.SetFiles(map[string]string{
-					"document.docx":  "/document.docx",
-					"document2.docx": "/document2.docx",
-				})
-				ctx.SetValues(map[string][]string{
-					"merge": {
-						"true",
-					},
-					"metadata": {
-						"{\"Creator\": \"foo\", \"Producer\": \"bar\" }",
-					},
-				})
-				return ctx
-			}(),
-			libreOffice: &libreofficeapi.ApiMock{
-				PdfMock: func(ctx context.Context, logger *zap.Logger, inputPath, outputPath string, options libreofficeapi.Options) error {
-					return nil
-				},
-				ExtensionsMock: func() []string {
-					return []string{".docx"}
-				},
-			},
-			engine: &gotenberg.PdfEngineMock{
-				MergeMock: func(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
-					return nil
-				},
-				ConvertMock: func(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
-					return nil
-				},
-				WriteMetadataMock: func(ctx context.Context, logger *zap.Logger, inputPath string, newMetadata map[string]interface{}) error {
-					return errors.New("foo")
-				},
-			},
-			expectError:            true,
-			expectHttpError:        false,
-			expectOutputPathsCount: 0,
-		},
 	} {
 		t.Run(tc.scenario, func(t *testing.T) {
 			tc.ctx.SetLogger(zap.NewNop())