Add enrichment function for post bodies

internal/util/util.go

@@ -0,0 +1,19 @@
+package util
+
+import (
+	"html/template"
+	"strings"
+)
+
+func EnrichPost(body string) string {
+	lines := strings.Split(body, "\n")
+	for i, line := range lines {
+		if strings.HasPrefix(line, ">") {
+			escaped := template.HTMLEscapeString(line)
+			lines[i] = `<span class="greentext">` + escaped + `</span>`
+		} else {
+			lines[i] = template.HTMLEscapeString(line)
+		}
+	}
+	return strings.Join(lines, "<br />")
+}