Added the Context to the browse directive

Moved the Context type to middleware and exported it.
Users can use .Include and others in browse directive templating
Created test for the templates directive.

middleware/browse/browse.go

@@ -5,13 +5,13 @@ package browse
 import (
 	"bytes"
 	"errors"
-	"html/template"
 	"net/http"
 	"net/url"
 	"os"
 	"path"
 	"sort"
 	"strings"
+	"text/template"
 	"time"
 
 	"github.com/dustin/go-humanize"
@@ -51,6 +51,8 @@ type Listing struct {
 
 	// And which order
 	Order string
+
+	middleware.Context
 }
 
 // FileInfo is the info about a particular file or directory
@@ -135,8 +137,9 @@ var IndexPages = []string{
 	"default.htm",
 }
 
-func directoryListing(files []os.FileInfo, urlPath string, canGoUp bool) (Listing, error) {
+func directoryListing(files []os.FileInfo, r *http.Request, canGoUp bool, root string) (Listing, error) {
 	var fileinfos []FileInfo
+	var urlPath = r.URL.Path
 	for _, f := range files {
 		name := f.Name()
 
@@ -168,6 +171,11 @@ func directoryListing(files []os.FileInfo, urlPath string, canGoUp bool) (Listin
 		Path:    urlPath,
 		CanGoUp: canGoUp,
 		Items:   fileinfos,
+		Context: middleware.Context{
+			Root: http.Dir(root),
+			Req:  r,
+			URL:  r.URL,
+		},
 	}, nil
 }
 
@@ -222,7 +230,7 @@ func (b Browse) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
 			}
 		}
 		// Assemble listing of directory contents
-		listing, err := directoryListing(files, r.URL.Path, canGoUp)
+		listing, err := directoryListing(files, r, canGoUp, b.Root)
 		if err != nil { // directory isn't browsable
 			continue
 		}