Add route /ls for viewing directory

Former-commit-id: 53ace40488

handlers.go

@@ -140,6 +140,13 @@ func handlePageRequest(c *gin.Context) {
 		command[0:2] != "/l" &&
 		command[0:2] != "/h")
 
+	var FileNames, FileLastEdited []string
+	var FileSizes, FileNumChanges []int
+	if page == "ls" {
+		command = "/view"
+		FileNames, FileSizes, FileNumChanges, FileLastEdited = DirectoryList()
+	}
+
 	c.HTML(http.StatusOK, "index.tmpl", gin.H{
 		"EditPage":    command[0:2] == "/e", // /edit
 		"ViewPage":    command[0:2] == "/v", // /view
@@ -149,6 +156,11 @@ func handlePageRequest(c *gin.Context) {
 			command[0:2] != "/v" &&
 			command[0:2] != "/l" &&
 			command[0:2] != "/h",
+		"DirectoryPage":      page == "ls",
+		"FileNames":          FileNames,
+		"FileSizes":          FileSizes,
+		"FileNumChanges":     FileNumChanges,
+		"FileLastEdited":     FileLastEdited,
 		"Page":               page,
 		"RenderedPage":       template.HTML([]byte(rawHTML)),
 		"RawPage":            rawText,

page.go

@@ -7,6 +7,7 @@ import (
 	"path"
 	"regexp"
 	"strings"
+	"time"
 
 	"github.com/schollz/versionedtext"
 )
@@ -38,6 +39,27 @@ func Open(name string) (p *Page) {
 	return p
 }
 
+func DirectoryList() (names []string, lengths []int, numchanges []int, lastEdited []string) {
+	files, _ := ioutil.ReadDir(pathToData)
+	names = make([]string, len(files))
+	lengths = make([]int, len(files))
+	numchanges = make([]int, len(files))
+	lastEdited = make([]string, len(files))
+	for i, f := range files {
+		names[i] = DecodeFileName(f.Name())
+		p := Open(names[i])
+		lengths[i] = len(p.Text.GetCurrent())
+		numchanges[i] = p.Text.NumEdits()
+		lastEdited[i] = time.Unix(p.Text.LastEditTime()/1000000000, 0).Format("Mon Jan 2 15:04:05 MST 2006")
+	}
+	return
+}
+
+func DecodeFileName(s string) string {
+	s2, _ := decodeFromBase32(strings.Split(s, ".")[0])
+	return s2
+}
+
 func (p *Page) Update(newText string) error {
 	p.Text.Update(newText)
 	p.Render()

page_test.go

@@ -7,6 +7,22 @@ import (
 	"testing"
 )
 
+func TestListFiles(t *testing.T) {
+	pathToData = "testdata"
+	os.MkdirAll(pathToData, 0755)
+	defer os.RemoveAll(pathToData)
+	p := Open("testpage")
+	p.Update("Some data")
+	p = Open("testpage2")
+	p.Update("A different bunch of data")
+	p = Open("testpage3")
+	p.Update("Not much else")
+	n, l := DirectoryList()
+	if strings.Join(n, " ") != "testpage testpage2 testpage3" {
+		t.Errorf("Names: %s, Lengths: %d", n, l)
+	}
+}
+
 func TestGeneral(t *testing.T) {
 	pathToData = "testdata"
 	os.MkdirAll(pathToData, 0755)

templates/index.tmpl

@@ -453,6 +453,25 @@
                   {{ end }}
             {{ end }}
 
+            {{ if .DirectoryPage }}
+                <table style="width:100%">
+                  <tr>
+                    <th>Document</th>
+                    <th>Current size</th> 
+                    <th>Num Edits</th> 
+                    <th>Last Edited</th> 
+                  </tr>
+                  {{range $i, $e := .FileNames}}
+                  <tr>
+                    <td><a href="/{{ $e }}/view">{{ $e }}</a></td>
+                    <td>{{index $.FileSizes $i}}</td> 
+                    <td>{{index $.FileNumChanges $i}}</td> 
+                    <td>{{index $.FileLastEdited $i}}</td> 
+                  </tr>
+                  {{ end }}
+                </table>
+            {{end}}
+
             </div>
         </article>