deletions: put [delete] as page content to block /view/ route

bbcode.go

@@ -9,6 +9,10 @@ import (
 	"strings"
 )
 
+const (
+	bbcodeIsDeleted string = `[delete]`
+)
+
 // An embarassing cascade of half-working hacks follows.
 type BBCodeRenderer struct {
 	baseUrl               string

rErrors.go

@@ -17,6 +17,10 @@ func (this *WikiServer) serveInternalError(w http.ResponseWriter, r *http.Reques
 	http.Error(w, "An internal error occurred. Please ask an administrator to check the log file.", 500)
 }
 
+func (this *WikiServer) serveDeleted(w http.ResponseWriter, lookingFor string) {
+	this.serveRedirect(w, this.opts.ExternalBaseURL+"history/"+url.PathEscape(lookingFor)+"?error="+url.QueryEscape(`The page you are looking for has been deleted. However, the history is still available.`))
+}
+
 func (this *WikiServer) serveErrorText(w http.ResponseWriter, msg string) {
 	this.serveRedirect(w, this.opts.ExpectBaseURL+"view/"+url.PathEscape(this.opts.DefaultPage)+"?error="+url.QueryEscape(msg))
 }

rFormatting.go

@@ -35,6 +35,7 @@ func (this *WikiServer) routeFormatting(w http.ResponseWriter, r *http.Request)
 	<li>[section=header]content[/section]</li>
 	<li>[youtube]id[/youtube]</li>
 	<li>[html]raw html[/html]</li>
+	<li>` + bbcodeIsDeleted + `</li>
 </ul>`
 
 	pto.Content = template.HTML(content)

rView.go

@@ -26,6 +26,11 @@ func (this *WikiServer) routeView(w http.ResponseWriter, r *http.Request, articl
 		return
 	}
 
+	if string(a.Body) == bbcodeIsDeleted {
+		this.serveDeleted(w, articleTitle)
+		return
+	}
+
 	pto := DefaultPageTemplateOptions(this.opts)
 	pto.CurrentPageName = articleTitle
 	pto.CurrentPageIsArticle = true