From 57fac8b7b7e1a5f8372df3c7a66217ef4b8fe76c Mon Sep 17 00:00:00 2001
From: Johannes Rothe <mail@johannes-rothe.de>
Date: Tue, 6 Sep 2022 22:32:35 +0200
Subject: [PATCH] Write HTML files and link from the index

---
 main.go | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/main.go b/main.go
index 08e60ce..ea144d3 100644
--- a/main.go
+++ b/main.go
@@ -23,14 +23,14 @@ type Node struct {
 	Data     NodeData
 }
 
-func (n Node) writeHTML(w io.Writer) {
+func (n *Node) writeIndex(w io.Writer) {
 	tmpl, err := template.New("root").Parse(`
 		{{ define "tree" }}
 			{{ if gt (len .Children) 0 }}
 				<ul>
 					{{ range $index, $element := .Children}}
 						<li>
-							{{ $element.Data.Title }}
+							<a href="{{$element.Data.Id}}.html">{{ $element.Data.Title }}</a>
 							{{ template "tree" $element }}
 						</li>
 					{{ end }}
@@ -50,6 +50,17 @@ func (n Node) writeHTML(w io.Writer) {
 	}
 }
 
+func (n *Node) writeHTMLFiles() {
+	if len(n.Children) > 0 {
+		for _, child := range n.Children {
+			writeHTML(n)
+			child.writeHTMLFiles()
+		}
+	}
+	// leaf node
+	writeHTML(n)
+}
+
 func (n *Node) getChildWithID(id string) (node *Node, hasChild bool) {
 	for _, c := range n.Children {
 		if c.Data.Id == id {
@@ -64,6 +75,15 @@ func (n *Node) addChild(child *Node) {
 	n.Children = append(n.Children, child)
 }
 
+func writeHTML(n *Node) {
+	f, err := os.Create(n.Data.Id + ".html")
+	if err != nil {
+		log.Fatalf("Error creating file for ID %v", n.Data.Id)
+	}
+	defer f.Close()
+	f.Write([]byte(n.Data.Title))
+}
+
 type spaceResult struct {
 	Results []struct {
 		ID        string `json:"id"`
@@ -191,13 +211,14 @@ func createPageTree(s *spaceResult) {
 		n := Node{Data: NodeData{Id: page.ID, Title: page.Title}}
 		parent.addChild(&n)
 	}
-	fname := "tree.html"
+	fname := "index.html"
 	f, err := os.Create(fname)
 	if err != nil {
 		log.Fatalf("Failed to open %v", fname)
 	}
 	defer f.Close()
-	root.writeHTML(f)
+	root.writeIndex(f)
+	root.writeHTMLFiles()
 }
 
 func main() {