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feat(pdfengines): add PDF/UA (#714)

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This commit is contained in:
Julien Neuhart
2023-11-05 20:14:36 +01:00
committed by GitHub
parent 9c3dfc78df
commit 143b7ce678
39 changed files with 1300 additions and 1013 deletions
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28
pkg/modules/pdfengines/multi.go
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@@ -10,30 +10,24 @@ import (
"github.com/gotenberg/gotenberg/v7/pkg/gotenberg"
)
// multiPDFEngines implements the gotenberg.PDFEngine interface and gathers one
// or more gotenberg.PDFEngine. It provides a sort of fallback mechanism: if an
// engine's method returns an error, it calls the same method from another
// engine.
type multiPDFEngines struct {
engines []gotenberg.PDFEngine
type multiPdfEngines struct {
engines []gotenberg.PdfEngine
}
// newMultiPDFEngines returns a multiPDFEngines. Arguments' order determines the
// order of the engines called.
func newMultiPDFEngines(engines ...gotenberg.PDFEngine) *multiPDFEngines {
return &multiPDFEngines{
func newMultiPdfEngines(engines ...gotenberg.PdfEngine) *multiPdfEngines {
return &multiPdfEngines{
engines: engines,
}
}
// Merge tries to merge the given PDFs into a unique PDF thanks to its
// children. If the context is done, it stops and returns an error.
func (multi multiPDFEngines) Merge(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
func (multi *multiPdfEngines) Merge(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
var err error
errChan := make(chan error, 1)
for _, engine := range multi.engines {
go func(engine gotenberg.PDFEngine) {
go func(engine gotenberg.PdfEngine) {
errChan <- engine.Merge(ctx, logger, inputPaths, outputPath)
}(engine)
@@ -53,13 +47,13 @@ func (multi multiPDFEngines) Merge(ctx context.Context, logger *zap.Logger, inpu
// Convert converts the given PDF to a specific PDF format. thanks to its
// children. If the context is done, it stops and returns an error.
func (multi multiPDFEngines) Convert(ctx context.Context, logger *zap.Logger, format, inputPath, outputPath string) error {
func (multi *multiPdfEngines) Convert(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
var err error
errChan := make(chan error, 1)
for _, engine := range multi.engines {
go func(engine gotenberg.PDFEngine) {
errChan <- engine.Convert(ctx, logger, format, inputPath, outputPath)
go func(engine gotenberg.PdfEngine) {
errChan <- engine.Convert(ctx, logger, formats, inputPath, outputPath)
}(engine)
select {
@@ -73,10 +67,10 @@ func (multi multiPDFEngines) Convert(ctx context.Context, logger *zap.Logger, fo
}
}
return fmt.Errorf("convert PDF to '%s' with multi PDF engines: %w", format, err)
return fmt.Errorf("convert PDF to '%+v' with multi PDF engines: %w", formats, err)
}
// Interface guards.
var (
_ gotenberg.PDFEngine = (*multiPDFEngines)(nil)
_ gotenberg.PdfEngine = (*multiPdfEngines)(nil)
)