Various small nice fixes

.gitignore

@@ -1,3 +1,4 @@
 bin/
 dist/
-root/.private
+user-root/
+user-root/.private

Makefile

@@ -21,7 +21,7 @@ build:
 # `make run` to run it in debug mode.
 .PHONY: run
 run:
-	./go-reload cmd/blog/main.go -debug root
+	./go-reload cmd/blog/main.go -debug user-root
 
 # `make test` to run unit tests.
 .PHONY: test

internal/controllers/admin/editor.go

@@ -33,12 +33,25 @@ func editorHandler(w http.ResponseWriter, r *http.Request) {
 		// Are they saving?
 		if saving {
 			fp = filepath.Join(*render.UserRoot, file)
-			body = []byte(r.FormValue("body"))
+			body = []byte(strings.Replace(r.FormValue("body"), "\r\n", "\n", -1))
-			err := ioutil.WriteFile(fp, body, 0644)
+
+			// Ensure the folders exist.
+			dir, _ := filepath.Split(fp)
+			err := os.MkdirAll(dir, 0755)
+			if err != nil {
+				responses.Flash(w, r, "Error saving: can't create folder %s: %s", dir, err)
+			}
+
+			// Write the file.
+			err = ioutil.WriteFile(fp, body, 0644)
 			if err != nil {
 				responses.Flash(w, r, "Error saving: %s", err)
+			} else {
+				if render.HasHTMLSuffix(file) {
+					responses.FlashAndRedirect(w, r, render.URLFromPath(file), "Page saved successfully!")
 				} else {
 					responses.FlashAndRedirect(w, r, "/admin/editor?file="+url.QueryEscape(file), "Page saved successfully!")
+				}
 				return
 			}
 		} else if deleting {
@@ -62,8 +75,11 @@ func editorHandler(w http.ResponseWriter, r *http.Request) {
 			f, err := os.Stat(fp)
 			if os.IsNotExist(err) {
 				fp = filepath.Join(*render.DocumentRoot, file)
-				fromCore = true
 				f, err = os.Stat(fp)
+				if !os.IsNotExist(err) {
+					// The file was found in the core.
+					fromCore = true
+				}
 			}
 
 			// If it exists, load it.
@@ -114,6 +130,11 @@ func editorFileList(w http.ResponseWriter, r *http.Request) {
 				return nil
 			}
 
+			// Hide vendored files.
+			if i == 1 && strings.HasPrefix(rel, "js/ace-editor") {
+				return nil
+			}
+
 			// Only text files.
 			ext := strings.ToLower(filepath.Ext(path))
 			okTypes := []string{

internal/controllers/posts/edit.go

@@ -9,10 +9,10 @@ import (
 
 	"github.com/kirsle/blog/internal/markdown"
 	"github.com/kirsle/blog/internal/middleware/auth"
-	"github.com/kirsle/blog/models/posts"
 	"github.com/kirsle/blog/internal/render"
 	"github.com/kirsle/blog/internal/responses"
 	"github.com/kirsle/blog/internal/types"
+	"github.com/kirsle/blog/models/posts"
 )
 
 // editHandler is the blog writing and editing page.
@@ -21,6 +21,7 @@ func editHandler(w http.ResponseWriter, r *http.Request) {
 		"preview": "",
 	}
 	var post *posts.Post
+	var isNew bool
 
 	// Are we editing an existing post?
 	if idStr := r.FormValue("id"); idStr != "" {
@@ -30,10 +31,12 @@ func editHandler(w http.ResponseWriter, r *http.Request) {
 			if err != nil {
 				v["Error"] = errors.New("that post ID was not found")
 				post = posts.New()
+				isNew = true
 			}
 		}
 	} else {
 		post = posts.New()
+		isNew = true
 	}
 
 	if r.Method == http.MethodPost {
@@ -55,8 +58,14 @@ func editHandler(w http.ResponseWriter, r *http.Request) {
 				author, _ := auth.CurrentUser(r)
 				post.AuthorID = author.ID
 
+				// When editing, allow to not touch the last updated time.
+				if !isNew && r.FormValue("no-update") == "true" {
+					post.Updated = post.Created
+				} else {
 					post.Updated = time.Now().UTC()
+				}
 				err = post.Save()
+
 				if err != nil {
 					v["Error"] = err
 				} else {

internal/render/resolve_paths.go

@@ -2,6 +2,7 @@ package render
 
 import (
 	"errors"
+	"fmt"
 	"os"
 	"path/filepath"
 	"strings"
@@ -15,6 +16,17 @@ var (
 	DocumentRoot *string
 )
 
+// File extensions and URL suffixes that map to real files on disk, but which
+// have suffixes hidden from the URL.
+var hiddenSuffixes = []string{
+	".gohtml",
+	".html",
+	"/index.gohtml",
+	"/index.html",
+	".md",
+	"/index.md",
+}
+
 // Filepath represents a file discovered in the document roots, and maintains
 // both its relative and absolute components.
 type Filepath struct {
@@ -71,15 +83,7 @@ func ResolvePath(path string) (Filepath, error) {
 		}
 
 		// Try some supported suffixes.
-		suffixes := []string{
+		for _, suffix := range hiddenSuffixes {
-			".gohtml",
-			".html",
-			"/index.gohtml",
-			"/index.html",
-			".md",
-			"/index.md",
-		}
-		for _, suffix := range suffixes {
 			test := absPath + suffix
 			if stat, err := os.Stat(test); !os.IsNotExist(err) && !stat.IsDir() {
 				debug("Filepath found via suffix %s: %s", suffix, test)
@@ -90,3 +94,36 @@ func ResolvePath(path string) (Filepath, error) {
 
 	return Filepath{}, errors.New("not found")
 }
+
+// HasHTMLSuffix returns whether the file path will be renderable as HTML
+// for the front-end. Basically, whether it ends with a .gohtml, .html or .md
+// suffix and/or is an index page.
+func HasHTMLSuffix(path string) bool {
+	for _, suffix := range hiddenSuffixes {
+		if strings.HasSuffix(path, suffix) {
+			return true
+		}
+	}
+	return false
+}
+
+// URLFromPath returns an HTTP path that matches the file path on disk.
+//
+// For example, given the file path "folder/page.md" it would return the string
+// "/folder/page"
+func URLFromPath(path string) string {
+	// Strip leading slashes.
+	if path[0] == '/' {
+		path = strings.TrimPrefix(path, "/")
+	}
+
+	// Hide-able suffixes.
+	for _, suffix := range hiddenSuffixes {
+		if strings.HasSuffix(path, suffix) {
+			path = strings.TrimSuffix(path, suffix)
+			break
+		}
+	}
+
+	return fmt.Sprintf("/%s", path)
+}

root/.layout.gohtml

@@ -79,7 +79,7 @@
 
             {{ template "content" . }}
 
-            {{ if and .CurrentUser.Admin .Editable (ne .TemplatePath ".markdown") }}
+            {{ if and .CurrentUser.Admin .Editable (ne .TemplatePath ".markdown.gohtml") }}
                 <p class="mt-4">
                     <strong>Admin:</strong> [<a href="/admin/editor?file={{ .TemplatePath }}">edit this page</a>]
                 </p>

root/admin/filelist.gohtml

@@ -2,9 +2,23 @@
 {{ define "content" }}
 <h1>Page Editor</h1>
 
+<form class="form-inline" method="GET" action="/admin/editor">
+    Create a new page:
+    <div class="input-group">
+        <input type="text"
+            name="file"
+            class="form-control ml-2"
+            placeholder="about.md">
+        <div class="input-group-append">
+            <button type="submit" class="btn btn-primary">Go</button>
+        </div>
+    </div>
+</form>
+
 {{ range .Data.FileTrees }}
     {{ if .UserRoot }}
         <h2>User Root</h2>
+
         <p>
             These are your custom web files that override those in the CoreRoot.
         </p>

root/blog/edit.gohtml

@@ -8,6 +8,8 @@
         Preview
     </div>
     <div class="card-body">
+        <h1 class="blog-title">{{ .Data.post.Title }}</h1>
+
         {{ .Data.preview }}
     </div>
 </div>
@@ -139,6 +141,17 @@
                     > Enable comments on this post
                 </label>
             </div>
+            {{ if .ID }}
+            <div class="form-check">
+                <label class="form-check-label">
+                    <input type="checkbox"
+                        class="form-check-label"
+                        name="no-update"
+                        value="true"
+                    > <strong>Editing:</strong> do not show a "last updated" label.
+                </label>
+            </div>
+            {{ end }}
         </div>
 
         <div class="form-group">