Attempt to implement checkbox shitter

Makefile

@@ -1,5 +1,11 @@
+# vim: noexpandtab ai sw=4 ts=4
 all: build
 
 build:
 	go run cmd/fetch-static/main.go
 	go build -o gonotes cmd/server/main.go
+
+run:
+	./gonotes -c ./conf.toml
+
+dev: build run

go.mod

@@ -7,4 +7,5 @@ require github.com/yuin/goldmark v1.7.8
 require (
 	forgejo.gwairfelin.com/max/gispatcho v0.1.2
 	github.com/pelletier/go-toml/v2 v2.2.3
+	github.com/teekennedy/goldmark-markdown v0.5.1
 )

go.sum

@@ -6,9 +6,15 @@ github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNH
 github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rhysd/go-fakeio v1.0.0 h1:+TjiKCOs32dONY7DaoVz/VPOdvRkPfBkEyUDIpM8FQY=
+github.com/rhysd/go-fakeio v1.0.0/go.mod h1:joYxF906trVwp2JLrE4jlN7A0z6wrz8O6o1UjarbFzE=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/teekennedy/goldmark-markdown v0.5.1 h1:2lIlJ3AcIwaD1wFl4dflJSJFMhRTKEsEj+asVsu6M/0=
+github.com/teekennedy/goldmark-markdown v0.5.1/go.mod h1:so260mNSPELuRyynZY18719dRYlD+OSnAovqsyrOMOM=
 github.com/yuin/goldmark v1.7.8 h1:iERMLn0/QJeHFhxSt3p6PeN9mGnvIKSpG9YYorDMnic=
 github.com/yuin/goldmark v1.7.8/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E=
+go.abhg.dev/goldmark/toc v0.11.0 h1:IRixVy3/yVPKvFBc37EeBPi8XLTXrtH6BYaonSjkF8o=
+go.abhg.dev/goldmark/toc v0.11.0/go.mod h1:XMFIoI1Sm6dwF9vKzVDOYE/g1o5BmKXghLG8q/wJNww=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/conf/templates/view.tmpl.html

@@ -7,5 +7,22 @@
     <a class="btn btn-primary" href="{{.urlEdit}}">Edit</a>
     <a class="btn btn-danger" href="{{.urlDelete}}">Delete</a>
 </div>
-{{end}}
 
+<script>
+    let checkBoxes = document.querySelectorAll('input[type=checkbox]')
+    for (const i in checkBoxes) {
+        let box = checkBoxes[i]
+        box.disabled = false
+
+        box.onchange = function(event) {
+            let form = new FormData()
+            form.append("box", i)
+
+            fetch("togglebox/", {method: "POST", body: form}).then((response) => {
+                location.reload();
+            })
+        }
+    }
+
+</script>
+{{end}}

internal/notes/notes.go

@@ -12,8 +12,14 @@ import (
 	"path/filepath"
 
 	"forgejo.gwairfelin.com/max/gonotes/internal/conf"
+	markdown "github.com/teekennedy/goldmark-markdown"
 	"github.com/yuin/goldmark"
+	"github.com/yuin/goldmark/ast"
 	"github.com/yuin/goldmark/extension"
+	astext "github.com/yuin/goldmark/extension/ast"
+	"github.com/yuin/goldmark/parser"
+	"github.com/yuin/goldmark/text"
+	"github.com/yuin/goldmark/util"
 )
 
 // Note is the central data structure.  It can be Saved, Rendered and Loaded
@@ -50,7 +56,7 @@ func (n *Note) Render() {
 	n.BodyRendered = template.HTML(buf.String())
 }
 
-// Load a note from the disk. The path is derived from the title
+// LoadNote from the disk. The path is derived from the title
 func LoadNote(encodedTitle string) (*Note, error) {
 	filename := filepath.Join(conf.Conf.NotesDir, fmtPath(encodedTitle))
 	body, err := os.ReadFile(filename)
@@ -70,6 +76,79 @@ func (n *Note) EncodedTitle() string {
 	return base64.StdEncoding.EncodeToString([]byte(n.Title))
 }
 
+type toggleCheckboxTransformer struct{ nthBox int }
+
+func (t *toggleCheckboxTransformer) Transform(node *ast.Document, reader text.Reader, pc parser.Context) {
+	boxesFound := 0
+
+	// Walk to find checkbox, toggle checked status
+	ast.Walk(node, func(n ast.Node, entering bool) (ast.WalkStatus, error) {
+		if !entering {
+			return ast.WalkContinue, nil
+		}
+
+		box, ok := n.(*astext.TaskCheckBox)
+		if !ok {
+			return ast.WalkContinue, nil
+		}
+
+		if boxesFound < t.nthBox {
+			boxesFound += 1
+			return ast.WalkContinue, nil
+		}
+
+		box.IsChecked = !box.IsChecked
+		return ast.WalkStop, nil
+	})
+}
+
+func (r *markdown.Renderer) renderTaskCheckBox(node ast.Node, entering bool) ast.WalkStatus {
+	if entering {
+		var itemPrefix []byte
+		l := r.rc.lists[len(r.rc.lists)-1]
+
+		if l.list.IsOrdered() {
+			itemPrefix = append(itemPrefix, []byte(fmt.Sprint(l.num))...)
+			r.rc.lists[len(r.rc.lists)-1].num += 1
+		}
+		itemPrefix = append(itemPrefix, l.list.Marker, ' ')
+		// Prefix the current line with the item prefix
+		r.rc.writer.PushPrefix(itemPrefix, 0, 0)
+		// Prefix subsequent lines with padding the same length as the item prefix
+		indentLen := int(max(r.config.NestedListLength, NestedListLengthMinimum))
+		indent := bytes.Repeat([]byte{' '}, indentLen)
+		r.rc.writer.PushPrefix(bytes.Repeat(indent, len(itemPrefix)), 1)
+	} else {
+		r.rc.writer.PopPrefix()
+		r.rc.writer.PopPrefix()
+	}
+	return ast.WalkContinue
+}
+
+func (n *Note) ToggleBox(nthBox int) {
+	log.Printf("Toggling %dth box", nthBox)
+
+	checkboxTransformer := toggleCheckboxTransformer{nthBox: nthBox}
+	transformer := util.Prioritized(&checkboxTransformer, 0)
+
+	renderer := markdown.NewRenderer()
+	renderer.Register(astext.KindTaskCheckBox, func(writer util.BufWriter, source []byte, n ast.Node, entering bool) (ast.WalkStatus, error) {
+	})
+
+	var buf bytes.Buffer
+	md := goldmark.New(
+		goldmark.WithExtensions(
+			extension.TaskList,
+		),
+		goldmark.WithRenderer(markdown.NewRenderer()),
+		goldmark.WithParserOptions(parser.WithASTTransformers(transformer)),
+	)
+
+	md.Convert(n.Body, &buf)
+	n.Body = buf.Bytes()
+	n.Save()
+}
+
 func DecodeTitle(encodedTitle string) string {
 	title, err := base64.StdEncoding.DecodeString(encodedTitle)
 	if err != nil {

internal/notes/views/views.go

@@ -5,6 +5,7 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
+	"strconv"
 	"strings"
 
 	urls "forgejo.gwairfelin.com/max/gispatcho"
@@ -19,13 +20,14 @@ func GetRoutes(prefix string) *http.ServeMux {
 	myurls = urls.URLs{
 		Prefix: prefix,
 		URLs: map[string]urls.URL{
-			"list":   {Path: "/", Protocol: "GET", Handler: list},
+			"list":      {Path: "/", Protocol: "GET", Handler: list},
-			"new":    {Path: "/new", Protocol: "GET", Handler: new},
+			"new":       {Path: "/new", Protocol: "GET", Handler: new},
-			"view_":  {Path: "/{note}", Protocol: "GET", Handler: view},
+			"view_":     {Path: "/{note}", Protocol: "GET", Handler: view},
-			"view":   {Path: "/{note}/", Protocol: "GET", Handler: view},
+			"view":      {Path: "/{note}/", Protocol: "GET", Handler: view},
-			"delete": {Path: "/{note}/delete/", Protocol: "GET", Handler: delete},
+			"delete":    {Path: "/{note}/delete/", Protocol: "GET", Handler: delete},
-			"edit":   {Path: "/{note}/edit/", Protocol: "GET", Handler: edit},
+			"edit":      {Path: "/{note}/edit/", Protocol: "GET", Handler: edit},
-			"save":   {Path: "/{note}/edit/save/", Protocol: "POST", Handler: save},
+			"save":      {Path: "/{note}/edit/save/", Protocol: "POST", Handler: save},
+			"togglebox": {Path: "/{note}/togglebox/", Protocol: "POST", Handler: togglebox},
 		},
 	}
 	return myurls.GetRouter()
@@ -109,9 +111,28 @@ func save(w http.ResponseWriter, r *http.Request) {
 	http.Redirect(w, r, myurls.Reverse("view", urls.Repl{"note": note.EncodedTitle()}), http.StatusFound)
 }
 
-type titleAndUrl struct {
+func togglebox(w http.ResponseWriter, r *http.Request) {
+	title := r.PathValue("note")
+	nthBox, err := strconv.Atoi(r.FormValue("box"))
+	if err != nil {
+		log.Fatal("You fucked up boy")
+		return
+	}
+
+	note, err := notes.LoadNote(title)
+	if err != nil {
+		http.Redirect(w, r, myurls.Reverse("view", urls.Repl{"note": title}), http.StatusFound)
+		return
+	}
+
+	note.ToggleBox(nthBox)
+
+	http.Redirect(w, r, myurls.Reverse("view", urls.Repl{"note": note.EncodedTitle()}), http.StatusFound)
+}
+
+type titleAndURL struct {
 	Title string
-	Url   string
+	URL   string
 }
 
 func list(w http.ResponseWriter, r *http.Request) {
@@ -122,7 +143,7 @@ func list(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	titlesAndUrls := make([]titleAndUrl, 0)
+	titlesAndUrls := make([]titleAndURL, 0)
 
 	for _, f := range files {
 		if !f.IsDir() {
@@ -133,7 +154,7 @@ func list(w http.ResponseWriter, r *http.Request) {
 
 			titlesAndUrls = append(
 				titlesAndUrls,
-				titleAndUrl{Title: title, Url: myurls.Reverse("view", urls.Repl{"note": encodedTitle})},
+				titleAndURL{Title: title, URL: myurls.Reverse("view", urls.Repl{"note": encodedTitle})},
 			)
 			log.Print(titlesAndUrls)
 		}