WIP

dns.go

@@ -3,6 +3,7 @@ package main
 import (
 	// Standard
 	"fmt"
+	"maps"
 	"slices"
 	"strings"
 )
@@ -17,6 +18,10 @@ type DNSRecord struct {
 	Type     string
 }
 
+type DomainPart struct {
+	Subparts map[string]*DomainPart `json:",omitempty"`
+}
+
 type RecordsTree struct {
 	Record   DNSRecord
 	Children []RecordsTree
@@ -74,36 +79,63 @@ func (r DNSRecord) NameReversed() string {
 	return strings.Join(parts, ".")
 }
 
-func (rt *RecordsTree) BuildTree(records []DNSRecord, startAt, partsLevel int) (tree RecordsTree) {
-	tree = RecordsTree{}
+func BuildRecordsTree(records []DNSRecord) *DomainPart {
+	topPart := new(DomainPart)
+	topPart.Subparts = make(map[string]*DomainPart)
 
-	for i := startAt; i < len(records); i++ {
-		// current: bar.foo.n44.se
-		current := records[i]
-		currentPart := current.Part(partsLevel)
+	for _, record := range records {
+		curPart := topPart
 
-		for j := i; j < len(records); j++ {
-			// next: baz.bar.foo.n44.se
-			next := records[j]
-			nextPart := next.Part(partsLevel)
-			fmt.Printf("%04d %04d: %s ?= %s\n", i, j, currentPart, nextPart)
+		currentDomainNameSplit := strings.Split(record.Name, ".")
+		slices.Reverse(currentDomainNameSplit)
 
-			if currentPart == nextPart {
-				fmt.Printf("FOUND SOMETHING!\n")
-				nextTree := RecordsTree{
-					Record: next,
-				}
-
-				tree.Children = append(tree.Children, nextTree)
-			}
-
-			// Doesn't match anymore, return to other loop after all that are processed
-			if currentPart != nextPart {
-				i = j
-				break
+		for _, part := range currentDomainNameSplit {
+			if nextDomainPart, found := curPart.Subparts[part]; !found {
+				newPart := new(DomainPart)
+				newPart.Subparts = make(map[string]*DomainPart)
+				curPart.Subparts[strings.ToLower(part)] = newPart
+				curPart = newPart
+			} else {
+				curPart = nextDomainPart
 			}
 		}
 	}
 
-	return tree
+	return topPart
+}
+
+func (dp *DomainPart) ToHTML(parts []string) string {
+	html := ""
+
+	sortedParts := slices.Sorted(maps.Keys(dp.Subparts))
+
+	for _, part := range sortedParts {
+		subpart := dp.Subparts[part]
+		newParts := append(parts, part)
+
+		reversedParts := make([]string, len(newParts))
+		copy(reversedParts, newParts)
+		slices.Reverse(reversedParts)
+		fqdn := strings.Join(reversedParts, ".")
+
+		var subHTML string
+		if len(subpart.Subparts) == 0 {
+			html += fmt.Sprintf(`<div class="record" data-record="%s">%s</div>`, fqdn, fqdn)
+		} else {
+			subHTML = subpart.ToHTML(newParts)
+			html += fmt.Sprintf(`
+				<div class="top" data-top="%s">
+					<div class="fqdn">%s</div>
+					<div class="records">%s</div>
+				</div>
+				`,
+				fqdn,
+				fqdn,
+				subHTML,
+			)
+		}
+
+	}
+
+	return html
 }

go.sum

@@ -1,6 +1,6 @@
 git.gibonuddevalla.se/go/html_template v1.0.0 h1:0YoqKiWMxYUsYZomqFlXLR/h0UNBicqw+VOsPyotcD4=
 git.gibonuddevalla.se/go/html_template v1.0.0/go.mod h1:DGqGMulbZyGoRqWXInXISb6GQLswuUrTaX1WhH7jx/w=
-git.gibonuddevalla.se/go/vlog v1.0.0 h1:6iu7Wy3V3vTSg1usLSZWX9ipA+SY3FV4pi7HrHqagyc=
+git.gibonuddevalla.se/go/vlog v1.0.0 h1:AlArMDt1Aw6poI8yDtU22d4NyFl3iQocZSswvlzy48o=
 git.gibonuddevalla.se/go/vlog v1.0.0/go.mod h1:rjS9ZINhZF+Bhrb+fdD4aEKOnLxFYU3PJFMx7nOi4c0=
 git.gibonuddevalla.se/go/wrappederror v0.3.5 h1:/EzrdXETlZfNpS6TcK1Ix6BaV+Fl7qcGoxUM0GkrIN8=
 git.gibonuddevalla.se/go/wrappederror v0.3.5/go.mod h1:j4w320Hk1wvhOPjUaK4GgLvmtnjUUM5yVu6JFO1OCSc=

static/css/index.css

@@ -2,7 +2,9 @@ html {
 	box-sizing: border-box;
 }
 
-*, *:before, *:after {
+*,
+*:before,
+*:after {
 	box-sizing: inherit;
 }
 
@@ -10,3 +12,23 @@ html {
 	cursor: pointer;
 }
 
+body {
+	font-family: sans-serif;
+}
+
+.records-tree {
+
+	.top {
+		font-weight: bold;
+		margin-left: 16px;
+	}
+
+	&>.top {
+		margin-left: 0px;
+	}
+
+	.record {
+		display: none;
+		color: #444;
+	}
+}

static/js/dns.mjs

@@ -0,0 +1,17 @@
+export class Application {
+	constructor() {
+		this.addTopHandlers()
+	}
+
+	addTopHandlers() {
+		for (const top of document.querySelectorAll('.top .fqdn'))
+			top.addEventListener('click', event=>this.handlerTop(event))
+	}
+
+	handlerTop(event) {
+		const fqdn = event.target
+		const top = fqdn.closest('.top')
+		const records = top.querySelector('.records')
+		console.log(fqdn, top, records)
+	}
+}

views/layouts/main.gotmpl

@@ -4,7 +4,7 @@
 <head>
 	<meta charset="UTF-8">
 	<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
-	<link rel="stylesheet" type="text/css" href="/css/{{ .VERSION }}/main.css">
+	<link rel="stylesheet" type="text/css" href="/css/{{ .Data.VERSION }}/index.css">
 
 	<script type="importmap">
 		{
@@ -14,7 +14,7 @@
 	</script>
 
 	<script>
-		window._VERSION = "{{ .VERSION }}"
+		window._VERSION = "{{ .Data.VERSION }}"
 	</script>
 </head>
 

views/pages/index.gotmpl

@@ -1,7 +1,13 @@
 {{ define "page" }}
+<script type="module">
+import { Application } from "/js/{{ .Data.VERSION }}/dns.mjs"
+const app = new Application()
+</script>
+
 <h1>{{ .Data.Identity }}</h1>
 
-{{ range .Data.DNSRecords }}
-<div class="dns-record">{{ .NameReversed }}
-{{ end }}
+<div class="records-tree">
+{{ .Data.Tree }}
+</div>
+
 {{ end }}

webserver.go

@@ -11,6 +11,7 @@ import (
 	"net/http"
 	"os"
 	"slices"
+	"html/template"
 )
 
 var (
@@ -65,12 +66,17 @@ func rootHandler(w http.ResponseWriter, r *http.Request) {
 		slices.SortFunc(entries, SortDNSRecord)
 		data["DNSRecords"] = entries
 		
-		tree := RecordsTree{}
-		tree = tree.BuildTree(entries, 0, 1)
+		fmt.Printf("\n\x1b[32;1mSTART\x1b[0m\n")
+		tree := BuildRecordsTree(entries)
+		htmlTree := tree.ToHTML([]string{})
+		data["Tree"] = template.HTML(htmlTree)
+
+		fmt.Printf("\n\x1b[32;1mDONE\x1b[0m\n")
 
 		j, _ := json.Marshal(tree)
 		os.WriteFile("/tmp/tree.json", j, 0644) 
 
+		data["VERSION"] = VERSION
 		page.Data = data
 
 		err = htmlEngine.Render(page, w, r)