checkpoint: parse ordered list

internal/utilities/html.go

@@ -2,15 +2,23 @@ package utilities
 
 import (
 	"io"
+	"strconv"
 	"strings"
 
 	"golang.org/x/net/html"
 )
 
+const (
+	htmlNoList int = iota
+	htmlOrderedList
+	htmlUnorderedList
+)
+
 func ConvertHTMLToText(text string) string {
 	var builder strings.Builder
 
-	var unorderedList bool
+	htmlList := htmlNoList
+	orderedListNumber := 1
 
 	token := html.NewTokenizer(strings.NewReader(text))
 
@@ -24,24 +32,35 @@ func ConvertHTMLToText(text string) string {
 			builder.WriteString(text)
 		case html.StartTagToken, html.EndTagToken:
 			tag := token.Token().String()
-			unorderedList = processTag(&builder, tag, unorderedList)
+			htmlList, orderedListNumber = processTagToken(&builder, tag, htmlList, orderedListNumber)
 		}
 	}
 }
 
-func processTag(writer io.StringWriter, tag string, unorderedList bool) bool {
+func processTagToken(writer io.StringWriter, tag string, htmlList, orderedListNumber int) (int, int) {
 	switch tag {
 	case "<br>", "<p>", "</p>", "</li>":
 		_, _ = writer.WriteString("\n")
 	case "<ul>":
-		unorderedList = true
+		htmlList = htmlUnorderedList
+		_, _ = writer.WriteString("\n")
+	case "<ol>":
+		htmlList = htmlOrderedList
+		_, _ = writer.WriteString("\n")
 	case "</ul>":
-		unorderedList = false
+		htmlList = htmlNoList
+	case "</ol>":
+		htmlList = htmlNoList
+		orderedListNumber = 1
 	case "<li>":
-		if unorderedList {
+		switch htmlList {
+		case htmlUnorderedList:
 			_, _ = writer.WriteString("• ")
+		case htmlOrderedList:
+			_, _ = writer.WriteString(strconv.Itoa(orderedListNumber) + ". ")
+			orderedListNumber++
 		}
 	}
 
-	return unorderedList
+	return htmlList, orderedListNumber
 }