update function convert html

This commit is contained in:
Adrian Zürcher
2026-01-06 10:03:20 +01:00
parent bd07add64e
commit d80764b943
2 changed files with 45 additions and 44 deletions

View File

@@ -127,54 +127,55 @@ func (c *Converter) Convert(files ...models.File) error {
}
// Convert converts all given input files
func (c *Converter) ConvertHtml(html []byte, outputPath string) error {
func (c *Converter) ConvertHtmls(htmls ...models.Html) error {
for _, h := range htmls {
if len(h.Html) == 0 {
return fmt.Errorf("no .html input provided")
} else if h.Output == "" || filepath.Ext(h.Output) != ".pdf" {
return fmt.Errorf("no .pdf output file path provided: %s", h.Output)
}
if len(html) == 0 {
return fmt.Errorf("no .html input provided")
} else if outputPath == "" || filepath.Ext(outputPath) != ".pdf" {
return fmt.Errorf("no .pdf output file path provided: %s", outputPath)
}
taskCtx, taskCancel := chromedp.NewContext(c.browserCtx)
timeoutCtx, timeoutCancel := context.WithTimeout(taskCtx, 60*time.Second)
taskCtx, taskCancel := chromedp.NewContext(c.browserCtx)
timeoutCtx, timeoutCancel := context.WithTimeout(taskCtx, 60*time.Second)
var pdfData []byte
err := chromedp.Run(timeoutCtx,
// Start with a blank page
chromedp.Navigate("about:blank"),
// Inject HTML directly
chromedp.ActionFunc(func(ctx context.Context) error {
frameTree, err := page.GetFrameTree().Do(ctx)
if err != nil {
return err
}
var pdfData []byte
err := chromedp.Run(timeoutCtx,
// Start with a blank page
chromedp.Navigate("about:blank"),
// Inject HTML directly
chromedp.ActionFunc(func(ctx context.Context) error {
frameTree, err := page.GetFrameTree().Do(ctx)
if err != nil {
return err
}
return page.SetDocumentContent(frameTree.Frame.ID, string(h.Html)).Do(ctx)
}),
chromedp.WaitReady("body", chromedp.ByQuery),
chromedp.ActionFunc(func(ctx context.Context) error {
buf, _, err := page.PrintToPDF().
WithPrintBackground(true).
WithPaperWidth(8.27).
WithPaperHeight(11.69).
Do(ctx)
if err != nil {
return err
}
pdfData = buf
return nil
}),
)
return page.SetDocumentContent(frameTree.Frame.ID, string(html)).Do(ctx)
}),
chromedp.WaitReady("body", chromedp.ByQuery),
chromedp.ActionFunc(func(ctx context.Context) error {
buf, _, err := page.PrintToPDF().
WithPrintBackground(true).
WithPaperWidth(8.27).
WithPaperHeight(11.69).
Do(ctx)
if err != nil {
return err
}
pdfData = buf
return nil
}),
)
timeoutCancel()
taskCancel()
if err != nil {
return err
}
timeoutCancel()
taskCancel()
if err != nil {
return err
}
// Save PDF to file
if err := os.WriteFile(outputPath, pdfData, 0644); err != nil {
return err
// Save PDF to file
if err := os.WriteFile(h.Output, pdfData, 0644); err != nil {
return err
}
}
return nil
}

View File

@@ -94,7 +94,7 @@ func TestConvertHtml(t *testing.T) {
}
defer c.Close()
err = c.ConvertHtml(html, outputPath)
err = c.ConvertHtmls(models.Html{Html: html, Output: outputPath})
if err != nil {
t.Fatalf("ConvertHtml failed: %v", err)
}