1 Commits

Author SHA1 Message Date
Adrian Zürcher
d80764b943 update function convert html 2026-01-06 10:03:20 +01:00
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 // 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 { taskCtx, taskCancel := chromedp.NewContext(c.browserCtx)
return fmt.Errorf("no .html input provided") timeoutCtx, timeoutCancel := context.WithTimeout(taskCtx, 60*time.Second)
} else if outputPath == "" || filepath.Ext(outputPath) != ".pdf" {
return fmt.Errorf("no .pdf output file path provided: %s", outputPath)
}
taskCtx, taskCancel := chromedp.NewContext(c.browserCtx) var pdfData []byte
timeoutCtx, timeoutCancel := context.WithTimeout(taskCtx, 60*time.Second) 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 return page.SetDocumentContent(frameTree.Frame.ID, string(h.Html)).Do(ctx)
err := chromedp.Run(timeoutCtx, }),
// Start with a blank page chromedp.WaitReady("body", chromedp.ByQuery),
chromedp.Navigate("about:blank"), chromedp.ActionFunc(func(ctx context.Context) error {
// Inject HTML directly buf, _, err := page.PrintToPDF().
chromedp.ActionFunc(func(ctx context.Context) error { WithPrintBackground(true).
frameTree, err := page.GetFrameTree().Do(ctx) WithPaperWidth(8.27).
if err != nil { WithPaperHeight(11.69).
return err Do(ctx)
} if err != nil {
return err
}
pdfData = buf
return nil
}),
)
return page.SetDocumentContent(frameTree.Frame.ID, string(html)).Do(ctx) timeoutCancel()
}), taskCancel()
chromedp.WaitReady("body", chromedp.ByQuery), if err != nil {
chromedp.ActionFunc(func(ctx context.Context) error { return err
buf, _, err := page.PrintToPDF(). }
WithPrintBackground(true).
WithPaperWidth(8.27).
WithPaperHeight(11.69).
Do(ctx)
if err != nil {
return err
}
pdfData = buf
return nil
}),
)
timeoutCancel() // Save PDF to file
taskCancel() if err := os.WriteFile(h.Output, pdfData, 0644); err != nil {
if err != nil { return err
return err }
}
// Save PDF to file
if err := os.WriteFile(outputPath, pdfData, 0644); err != nil {
return err
} }
return nil return nil
} }

View File

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