routing for assets, page views, formatting help

WikiServer.go

@@ -1,9 +1,11 @@
 package yatwiki3
 
 import (
+	"database/sql"
 	"html/template"
 	"log"
 	"net/http"
+	"strings"
 )
 
 type WikiServer struct {
@@ -38,21 +40,93 @@ func (this *WikiServer) Close() {
 func (this *WikiServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Server", "Yatwiki3")
 
-	if r.URL.Path == this.opts.ExpectBaseURL+"wiki.css" {
-		w.Header().Set("Content-Type", "text/css")
-		w.Write(tmplWikiCss)
-		return
+	if r.Method == "GET" {
+		if r.URL.Path == this.opts.ExpectBaseURL+"wiki.css" {
+			w.Header().Set("Content-Type", "text/css")
+			content, _ := wikiCssBytes()
+			w.Write(content)
+			return
+
+		} else if r.URL.Path == this.opts.ExpectBaseURL+"highlight.js" {
+			w.Header().Set("Content-Type", "application/javascript")
+			content, _ := highlightJsBytes()
+			w.Write(content)
+			return
+
 		} else if r.URL.Path == this.opts.ExpectBaseURL+"favicon.ico" && len(this.opts.FaviconFilePath) > 0 {
 			w.Header().Set("Content-Type", "image/x-icon")
 			http.ServeFile(w, r, this.opts.FaviconFilePath)
 			return
+
+		} else if r.URL.Path == this.opts.ExpectBaseURL+"formatting" {
+			pto := DefaultPageTemplateOptions(this.opts)
+			pto.CurrentPageName = "Formatting help"
+			pto.Content = `
+<h2>Formatting help</h2><br><br>
+<ul>
+	<li>[h]header[/h]</li>
+	<li>[b]bold[/b]</li>
+	<li>[u]underline[/u]</li>
+	<li>[i]italic[/i]</li>
+	<li>[s]strikethrough[/s]</li>
+	<li>[spoiler]spoiler[/spoiler]</li>
+	<li>[list] item [*] item [/list]</li>
+	<li>[url=address]title[/url]</li>
+	<li>[article=page name]title[/article] or [rev=id]title[/rev]</li>
+	<li>[img]image-url[/img]</li>
+	<li>[imgur]asdf.jpg[/imgur]</li>
+	<li>[code]fixed width[/code]</li>
+	<li>[section=header]content[/section]</li>
+	<li>[html]raw html[/html]</li>
+</ul>`
+			this.servePageResponse(w, pto)
+			return
+
+		} else if strings.HasPrefix(r.URL.Path, this.opts.ExpectBaseURL+"view/") {
+			articleTitle := r.URL.Path[len(this.opts.ExpectBaseURL+"view/"):]
+			a, err := this.db.GetLatestVersion(articleTitle)
+			if err != nil {
+				this.serveErrorMessage(w, err)
+				return
+			}
+
+			pto := DefaultPageTemplateOptions(this.opts)
+			pto.CurrentPageName = articleTitle
+			pto.CurrentPageIsArticle = true
+
+			bcr := NewBBCodeRenderer(this.opts.ExpectBaseURL)
+			pto.Content = bcr.RenderHTML(string(a.Body))
+			pto.LoadCodeResources = bcr.CodePresent
+
+			this.servePageResponse(w, pto)
+			return
+
+		}
+
 	}
 
-	pto := DefaultPageTemplateOptions(this.opts)
-	pto.SessionMessage = `Invalid request.`
-	//pto.CurrentPageIsArticle = true
-	//pto.CurrentPageName = "quotes/\"2017"
-	this.servePageResponse(w, pto)
+	// No match? Add 'Page not found' to next session response, and redirect to homepage
+	http.Error(w, "Page not found", 404)
+
+	/*
+		pto.SessionMessage = `Invalid request.`
+		//pto.CurrentPageIsArticle = true
+		//pto.CurrentPageName = "quotes/\"2017"
+
+		bcr := NewBBCodeRenderer(this.opts.ExpectBaseURL)
+		pto.Content = bcr.RenderHTML(`[h]Hello World[/h] this content is [b]bold[/b] <script>alert("hi");</script>`)
+
+		this.servePageResponse(w, pto)
+	*/
+}
+
+func (this *WikiServer) serveErrorMessage(w http.ResponseWriter, message error) {
+	if message == sql.ErrNoRows {
+		// 404 not found
+	}
+
+	// TODO Add error message to session response, and redirect to homepage
+	http.Error(w, message.Error(), 500)
 }
 
 func (this *WikiServer) servePageResponse(w http.ResponseWriter, pto *pageTemplateOptions) {