Add ability to markdown a directory with a template.

middleware/markdown/markdown.go

@@ -89,7 +89,6 @@ func (md Markdown) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error
 
 			// Set path to found index file
 			fpath = idx
-			_ = dirents
 		}
 
 		// If supported extension, process it
@@ -117,7 +116,7 @@ func (md Markdown) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error
 				Req:  r,
 				URL:  r.URL,
 			}
-			html, err := cfg.Markdown(fpath, body, ctx)
+			html, err := cfg.Markdown(fpath, body, dirents, ctx)
 			if err != nil {
 				return http.StatusInternalServerError, err
 			}

middleware/markdown/metadata/metadata.go

@@ -3,6 +3,7 @@ package metadata
 import (
 	"bufio"
 	"bytes"
+	"os"
 	"time"
 )
 
@@ -30,6 +31,9 @@ type Metadata struct {
 
 	// Flags to be used with Template
 	Flags map[string]bool
+
+	// Directory entries present, if a directory
+	Dirents []os.FileInfo
 }
 
 // NewMetadata() returns a new Metadata struct, loaded with the given map

middleware/markdown/process.go

 package markdown
 
 import (
+	"os"
 	"path/filepath"
 
 	"github.com/mholt/caddy/middleware"
@@ -10,7 +11,7 @@ import (
 
 // Markdown processes the contents of a page in b. It parses the metadata
 // (if any) and uses the template (if found).
-func (c *Config) Markdown(requestPath string, b []byte, ctx middleware.Context) ([]byte, error) {
+func (c *Config) Markdown(requestPath string, b []byte, dirents []os.FileInfo, ctx middleware.Context) ([]byte, error) {
 	parser := metadata.GetParser(b)
 	markdown := parser.Markdown()
 	mdata := parser.Metadata()
@@ -33,5 +34,12 @@ func (c *Config) Markdown(requestPath string, b []byte, ctx middleware.Context)
 	}
 	mdata.Variables["title"] = title
 
+	if len(dirents) > 0 {
+		mdata.Flags["dirents"] = true
+		mdata.Dirents = dirents
+	} else {
+		mdata.Flags["dirents"] = false
+	}
+
 	return execTemplate(c, mdata, ctx)
 }