feat: signed releases, release feed, notification (read-only)

internal/domain/update/updateNotes.go

@@ -0,0 +1,37 @@
+package update
+
+import (
+	"regexp"
+	"strings"
+	"time"
+)
+
+var (
+	bulletLine   = regexp.MustCompile(`^[-*+]\s+(.+)$`)
+	markdownLink = regexp.MustCompile(`!?\[([^\]]*)\]\([^)]*\)`)
+	boldText     = regexp.MustCompile(`\*\*([^*]+)\*\*|__([^_]+)__`)
+	italicText   = regexp.MustCompile(`\*([^*\s][^*]*)\*`)
+	inlineCode   = regexp.MustCompile("`([^`]*)`")
+)
+
+func BuildNotes(tag string, publishedAt time.Time, body string) ReleaseNotes {
+	items := []string{}
+	for _, line := range strings.Split(body, "\n") {
+		match := bulletLine.FindStringSubmatch(strings.TrimSpace(line))
+		if match == nil {
+			continue
+		}
+		if item := plainText(match[1]); item != "" {
+			items = append(items, item)
+		}
+	}
+	return ReleaseNotes{Version: tag, ReleasedAt: publishedAt, Items: items}
+}
+
+func plainText(markdown string) string {
+	text := markdownLink.ReplaceAllString(markdown, "$1")
+	text = boldText.ReplaceAllString(text, "$1$2")
+	text = italicText.ReplaceAllString(text, "$1")
+	text = inlineCode.ReplaceAllString(text, "$1")
+	return strings.TrimSpace(text)
+}