From a9c72d91be4b38b87ea6a910a6324c423a93eba3 Mon Sep 17 00:00:00 2001
From: Timur Ismagilov <bouncepaw2@ya.ru>
Date: Fri, 26 Jun 2020 01:31:58 +0500
Subject: [PATCH] Reimplement editor

---
 cfg/config.go                                 |  7 ++-
 fs/html.go                                    | 54 +++++++++++++++++
 fs/hypha.go                                   | 60 +++++++++----------
 handlers.go                                   | 16 +++--
 main.go                                       |  6 +-
 render/render.go                              | 15 +++++
 w/config.json                                 |  2 +-
 .../default-dark/Hypha/edit/index.html/1.html |  3 +-
 .../Hypha/edit/index.html/1.html              | 20 +------
 .../Hypha/edit/sidebar.html/1.html            | 19 ++++++
 .../Hypha/edit/sidebar.html/meta.json         | 19 ++++++
 11 files changed, 154 insertions(+), 67 deletions(-)
 create mode 100644 fs/html.go
 create mode 100644 w/m/Templates/default-light/Hypha/edit/sidebar.html/1.html
 create mode 100644 w/m/Templates/default-light/Hypha/edit/sidebar.html/meta.json

diff --git a/cfg/config.go b/cfg/config.go
index 7c0db8f..f5e6251 100644
--- a/cfg/config.go
+++ b/cfg/config.go
@@ -16,9 +16,10 @@ const (
 )
 
 var (
-	WikiDir        string
-	TemplatesDir   string
-	configJsonPath string
+	DescribeHyphaHerePattern = "Describe %s here"
+	WikiDir                  string
+	TemplatesDir             string
+	configJsonPath           string
 
 	// Default values that can be overriden in config.json
 	Address           = "127.0.0.1:80"
diff --git a/fs/html.go b/fs/html.go
new file mode 100644
index 0000000..f64059d
--- /dev/null
+++ b/fs/html.go
@@ -0,0 +1,54 @@
+package fs
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+)
+
+func markdownToHtml(md string) string {
+	extensions := parser.CommonExtensions | parser.AutoHeadingIDs
+	p := parser.NewWithExtensions(extensions)
+
+	htmlFlags := html.CommonFlags | html.HrefTargetBlank
+	opts := html.RendererOptions{Flags: htmlFlags}
+	renderer := html.NewRenderer(opts)
+
+	return string(markdown.ToHTML([]byte(md), p, renderer))
+}
+
+func (h *Hypha) asHtml() (string, error) {
+	rev := h.actual
+	ret := `<article class="page">
+	<h1 class="page__title">` + rev.FullName + `</h1>
+`
+	// What about using <figure>?
+	if h.hasBinaryData() {
+		ret += fmt.Sprintf(`<img src="/%s?action=binary&rev=%d" class="page__amnt"/>`, rev.FullName, rev.Id)
+	}
+
+	contents, err := ioutil.ReadFile(rev.TextPath)
+	if err != nil {
+		log.Println("Failed to render", rev.FullName, ":", err)
+		return "", err
+	}
+
+	// TODO: support more markups.
+	// TODO: support mycorrhiza extensions like transclusion.
+	switch rev.TextMime {
+	case "text/markdown":
+		html := markdown.ToHTML(contents, nil, nil)
+		ret += string(html)
+	default:
+		ret += fmt.Sprintf(`<pre>%s</pre>`, contents)
+	}
+
+	ret += `
+</article>`
+
+	return ret, nil
+}
diff --git a/fs/hypha.go b/fs/hypha.go
index 737a070..3f198f2 100644
--- a/fs/hypha.go
+++ b/fs/hypha.go
@@ -9,9 +9,9 @@ import (
 	"net/http"
 	"path/filepath"
 	"strconv"
+	"strings"
 
 	"github.com/bouncepaw/mycorrhiza/cfg"
-	"github.com/gomarkdown/markdown"
 )
 
 type Hypha struct {
@@ -27,6 +27,32 @@ func (h *Hypha) TextPath() string {
 	return h.actual.TextPath
 }
 
+func (h *Hypha) TagsJoined() string {
+	if h.Exists {
+		return strings.Join(h.actual.Tags, ", ")
+	}
+	return ""
+}
+
+func (h *Hypha) TextMime() string {
+	if h.Exists {
+		return h.actual.TextMime
+	}
+	return "text/markdown"
+}
+
+func (h *Hypha) TextContent() string {
+	if h.Exists {
+		contents, err := ioutil.ReadFile(h.TextPath())
+		if err != nil {
+			log.Println("Could not read", h.FullName)
+			return "Error: could not hypha text content file. It is recommended to cancel editing. Please contact the wiki admin. If you are the admin, see the logs."
+		}
+		return string(contents)
+	}
+	return fmt.Sprintf(cfg.DescribeHyphaHerePattern, h.FullName)
+}
+
 func (s *Storage) Open(name string) (*Hypha, error) {
 	h := &Hypha{
 		Exists:   true,
@@ -123,38 +149,6 @@ func (h *Hypha) hasBinaryData() bool {
 	return h.actual.BinaryMime != ""
 }
 
-func (h *Hypha) asHtml() (string, error) {
-	rev := h.actual
-	ret := `<article class="page">
-	<h1 class="page__title">` + rev.FullName + `</h1>
-`
-	// What about using <figure>?
-	if h.hasBinaryData() {
-		ret += fmt.Sprintf(`<img src="/%s?action=binary&rev=%d" class="page__amnt"/>`, rev.FullName, rev.Id)
-	}
-
-	contents, err := ioutil.ReadFile(rev.TextPath)
-	if err != nil {
-		log.Println("Failed to render", rev.FullName, ":", err)
-		return "", err
-	}
-
-	// TODO: support more markups.
-	// TODO: support mycorrhiza extensions like transclusion.
-	switch rev.TextMime {
-	case "text/markdown":
-		html := markdown.ToHTML(contents, nil, nil)
-		ret += string(html)
-	default:
-		ret += fmt.Sprintf(`<pre>%s</pre>`, contents)
-	}
-
-	ret += `
-</article>`
-
-	return ret, nil
-}
-
 // ActionRaw is used with `?action=raw`.
 // It writes text content of the revision without any parsing or rendering.
 func (h *Hypha) ActionRaw(w http.ResponseWriter) {
diff --git a/handlers.go b/handlers.go
index d8a1ada..6f1fe71 100644
--- a/handlers.go
+++ b/handlers.go
@@ -29,8 +29,6 @@ func HandlerBase(w http.ResponseWriter, rq *http.Request) (*fs.Hypha, bool) {
 	if err != nil {
 		log.Println(err)
 	}
-
-	log.Println(*h)
 	return h, true
 }
 
@@ -60,14 +58,20 @@ func HandlerView(w http.ResponseWriter, rq *http.Request) {
 	}
 }
 
-/*
 func HandlerEdit(w http.ResponseWriter, rq *http.Request) {
 	vars := mux.Vars(rq)
-	ActionEdit(vars["hypha"], w)
+	h, err := fs.Hs.Open(vars["hypha"])
+	// How could this happen?
+	if err != nil {
+		log.Println(err)
+		return
+	}
+	h.OnRevision("0")
+	w.Header().Set("Content-Type", "text/html;charset=utf-8")
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte(render.HyphaEdit(h)))
 }
 
-*/
-
 /*
 // makeTagsSlice turns strings like `"foo,, bar,kek"` to slice of strings that represent tag names. Whitespace around commas is insignificant.
 // Expected output for string above: []string{"foo", "bar", "kek"}
diff --git a/main.go b/main.go
index 4cbcb8d..09a3682 100644
--- a/main.go
+++ b/main.go
@@ -63,10 +63,10 @@ func main() {
 	r.Queries("action", "view").Path(cfg.HyphaUrl).
 		HandlerFunc(HandlerView)
 
-		/*
-			r.Queries("action", "edit").Path(hyphaUrl).
-				HandlerFunc(HandlerEdit)
+	r.Queries("action", "edit").Path(cfg.HyphaUrl).
+		HandlerFunc(HandlerEdit)
 
+		/*
 			r.Queries("action", "update").Path(hyphaUrl).Methods("POST").
 				HandlerFunc(HandlerUpdate)
 		*/
diff --git a/render/render.go b/render/render.go
index 75c3e86..9af9434 100644
--- a/render/render.go
+++ b/render/render.go
@@ -26,6 +26,21 @@ func EditHyphaPage(name, textMime, content, tags string) string {
 	return renderBase(renderFromMap(page, "Hypha/edit/index.html"), keys)
 }
 
+func HyphaEdit(h *fs.Hypha) string {
+	page := map[string]string{
+		"Name":     h.FullName,
+		"Tags":     h.TagsJoined(),
+		"TextMime": h.TextMime(),
+		"Text":     h.TextContent(),
+	}
+	keys := map[string]string{
+		"Title":   fmt.Sprintf(cfg.TitleEditTemplate, h.FullName),
+		"Header":  renderFromString(h.FullName, "Hypha/edit/header.html"),
+		"Sidebar": renderFromMap(page, "Hypha/edit/sidebar.html"),
+	}
+	return renderBase(renderFromMap(page, "Hypha/edit/index.html"), keys)
+}
+
 // Hypha404 returns 404 page for nonexistent page.
 func Hypha404(name, _ string) string {
 	return HyphaGeneric(name, name, "Hypha/view/404.html")
diff --git a/w/config.json b/w/config.json
index 409bcd2..3497a5a 100644
--- a/w/config.json
+++ b/w/config.json
@@ -1,6 +1,6 @@
 {
 	"address": "127.0.0.1:1737", 
-	"theme": "default-light", 
+	"theme": "default-dark", 
 	"site-title": "🍄 MycorrhizaWiki", 
 	"title-templates": {
 		"edit-hypha": "Edit %s at MycorrhizaWiki", 
diff --git a/w/m/Templates/default-dark/Hypha/edit/index.html/1.html b/w/m/Templates/default-dark/Hypha/edit/index.html/1.html
index 842b43b..a102c1e 100644
--- a/w/m/Templates/default-dark/Hypha/edit/index.html/1.html
+++ b/w/m/Templates/default-dark/Hypha/edit/index.html/1.html
@@ -9,8 +9,7 @@
 			<h4 class="">Edit box</h4>
 			<!-- It is important that there is no indent ↓ -->
 			<textarea class="edit-box__text" name="text" cols="80" rows="25">
-{{ .Text }}
-			</textarea>
+{{ .Text }}</textarea>
 		</div>
 	</form>
 </div>
diff --git a/w/m/Templates/default-light/Hypha/edit/index.html/1.html b/w/m/Templates/default-light/Hypha/edit/index.html/1.html
index 49ab078..943cf5f 100644
--- a/w/m/Templates/default-light/Hypha/edit/index.html/1.html
+++ b/w/m/Templates/default-light/Hypha/edit/index.html/1.html
@@ -3,34 +3,16 @@
 	      method="POST"
 	      enctype="multipart/form-data"
 	      action="?action=update">
-		<div class="naviwrapper__buttons">
-			<input type="submit" value="update"/>
-		</div>
 
 		<div class="edit-box__left">
 			<h4>Edit box</h4>
 			<!-- It is important that there is no indent ↓ -->
 			<textarea class="edit-box__text" name="text" cols="80" rows="25">
-{{ .Text }}
-			</textarea>
+{{ .Text }}</textarea>
 
 			<h4>Upload file</h4>
 			<p>If this hypha has a file like that, the text above is meant to be a description of it</p>
 			<input type="file" name="binary"/>
 		</div>
-
-		<div class="edit-box__right">
-			<h4>Text MIME-type</h4>
-			<p>Good types are <code>text/markdown</code> and <code>text/plain</code></p>
-			<input type="text" name="text_mime" value="{{ .TextMime }}"/>
-
-			<h4>Revision comment</h4>
-			<p>Please make your comment helpful</p>
-			<input type="text" name="comment" value="Update {{ .Name }}"/>
-
-			<h4>Edit tags</h4>
-			<p>Tags are separated by commas, whitespace is ignored</p>
-			<input type="text" name="tags" value="{{ .Tags }}"/>
-		</div>
 	</form>
 </div>
diff --git a/w/m/Templates/default-light/Hypha/edit/sidebar.html/1.html b/w/m/Templates/default-light/Hypha/edit/sidebar.html/1.html
new file mode 100644
index 0000000..3f257cf
--- /dev/null
+++ b/w/m/Templates/default-light/Hypha/edit/sidebar.html/1.html
@@ -0,0 +1,19 @@
+<div style=""><h4>Text MIME-type</h4>
+<p>Good types are <code>text/markdown</code> and <code>text/plain</code></p>
+<input type="text" name="text_mime" value="{{ .TextMime }}"/>
+
+<h4>Revision comment</h4>
+<p>Please make your comment helpful</p>
+<input type="text" name="comment" value="Update {{ .Name }}"/>
+
+<h4>Edit tags</h4>
+<p>Tags are separated by commas, whitespace is ignored</p>
+<input type="text" name="tags" value="{{ .Tags }}"/>
+
+<h4>Upload file</h4>
+<p>If this hypha has a file like that, the text above is meant to be a description of it</p>
+<input type="file" name="binary"/>
+
+
+<p><input type="submit" value="update"/></p>
+</div>
diff --git a/w/m/Templates/default-light/Hypha/edit/sidebar.html/meta.json b/w/m/Templates/default-light/Hypha/edit/sidebar.html/meta.json
new file mode 100644
index 0000000..1fe3342
--- /dev/null
+++ b/w/m/Templates/default-light/Hypha/edit/sidebar.html/meta.json
@@ -0,0 +1,19 @@
+{
+	"views": 0,
+	"deleted": false,
+	"revisions": {
+		"1": {
+			"tags": [
+				""
+			],
+			"name": "sidebar.html",
+			"comment": "Create Templates/default-dark/Hypha/edit/sidebar.html",
+			"author": "",
+			"time": 1593003792,
+			"text_mime": "text/html",
+			"binary_mime": "",
+			"text_name": "1.html",
+			"binary_name": ""
+		}
+	}
+}