Eric Rakestraw
0fc92f3643
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98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
package render
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import (
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"fmt"
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"math"
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"strings"
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)
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// MarkdownRenderer renders transcript artifacts as Markdown.
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type MarkdownRenderer struct{}
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// Render renders the transcript into deterministic Markdown.
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func (MarkdownRenderer) Render(transcript Transcript, opts Options) (string, error) {
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var lines []string
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title := strings.TrimSpace(opts.Title)
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if title == "" {
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title = "Transcript"
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}
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lines = append(lines, "# "+escapeMarkdownInline(title), "")
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if opts.IncludeMetadata {
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lines = append(lines,
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fmt.Sprintf("- Application: %s", escapeMarkdownInline(transcript.Metadata.Application)),
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fmt.Sprintf("- Version: %s", escapeMarkdownInline(transcript.Metadata.Version)),
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fmt.Sprintf("- Output schema: %s", escapeMarkdownInline(transcript.Schema)),
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"",
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)
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}
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for _, segment := range transcript.Segments {
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parts := make([]string, 0, 4)
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if opts.IncludeTimestamps {
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parts = append(parts, fmt.Sprintf("[%s–%s]", formatTimestamp(segment.Start), formatTimestamp(segment.End)))
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}
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if opts.IncludeSegmentIDs {
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parts = append(parts, fmt.Sprintf("[#%d]", segment.ID))
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}
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text := escapeMarkdownInline(segment.Text)
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if shouldItalicize(segment.Categories) {
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text = "*" + text + "*"
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}
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parts = append(parts, fmt.Sprintf("**%s:** %s", escapeMarkdownInline(segment.Speaker), text))
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lines = append(lines, strings.Join(parts, " "))
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lines = append(lines, "")
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}
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output := strings.Join(lines, "\n")
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if !strings.HasSuffix(output, "\n") {
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output += "\n"
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}
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return output, nil
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}
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func escapeMarkdownInline(value string) string {
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replacer := strings.NewReplacer(
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`\`, `\\`,
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"`", "\\`",
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"*", "\\*",
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"_", "\\_",
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"{", "\\{",
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"}", "\\}",
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"[", "\\[",
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"]", "\\]",
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"(", "\\(",
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")", "\\)",
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"#", "\\#",
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"+", "\\+",
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"!", "\\!",
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"|", "\\|",
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"<", "\\<",
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">", "\\>",
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)
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return replacer.Replace(value)
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}
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func shouldItalicize(categories []string) bool {
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for _, category := range categories {
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switch category {
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case "background", "backchannel", "filler":
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return true
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}
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}
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return false
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}
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func formatTimestamp(seconds float64) string {
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total := int(math.Round(seconds))
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if total < 0 {
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total = 0
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}
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hours := total / 3600
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minutes := (total % 3600) / 60
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remainder := total % 60
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return fmt.Sprintf("%02d:%02d:%02d", hours, minutes, remainder)
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}
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