Implemented file info

5 files changed, 110 insertions, 1 deletions

diff --git a/drive/files.go b/drive/files.go
index 138202a..f1a4b97 100644
--- a/drive/files.go
+++ b/drive/files.go
@@ -103,6 +103,16 @@ func (self *Drive) Upload(args UploadFileArgs) {
     //}
 }
 
+func (self *Drive) Info(args FileInfoArgs) {
+    f, err := self.service.Files.Get(args.Id).Fields("id", "name", "size", "createdTime", "modifiedTime", "md5Checksum", "mimeType", "parents", "shared", "description").Do()
+    errorF(err, "Failed to get file: %s", err)
+
+    PrintFileInfo(PrintFileInfoArgs{
+        File: f,
+        SizeInBytes: args.SizeInBytes,
+    })
+}
+
 //func newFile(args UploadFileArgs) *drive.File {
 //
 //}
diff --git a/drive/print.go b/drive/print.go
new file mode 100644
index 0000000..5473690
--- /dev/null
+++ b/drive/print.go
@@ -0,0 +1,69 @@
+package drive
+
+import (
+    "fmt"
+    "strings"
+    "strconv"
+    "time"
+)
+
+
+func PrintFileInfo(args PrintFileInfoArgs) {
+    f := args.File
+
+    items := []kv{
+        kv{"Id", f.Id},
+        kv{"Name", f.Name},
+        kv{"Description", f.Description},
+        kv{"Mime", f.MimeType},
+        kv{"Size", formatSize(f.Size, args.SizeInBytes)},
+        kv{"Created", formatDatetime(f.CreatedTime)},
+        kv{"Modified", formatDatetime(f.ModifiedTime)},
+        kv{"Md5sum", f.Md5Checksum},
+        kv{"Shared", formatBool(f.Shared)},
+        kv{"Parents", formatList(f.Parents)},
+    }
+
+    for _, item := range items {
+        if item.value() != "" {
+            fmt.Printf("%s: %s\n", item.key(), item.value())
+        }
+    }
+}
+
+
+func formatList(a []string) string {
+    return strings.Join(a, ", ")
+}
+
+func formatSize(bytes int64, forceBytes bool) string {
+    if forceBytes {
+        return fmt.Sprintf("%v B", bytes)
+    }
+
+    units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
+
+    var i int
+    value := float64(bytes)
+
+    for value > 1000 {
+        value /= 1000
+        i++
+    }
+    return fmt.Sprintf("%.1f %s", value, units[i])
+}
+
+func formatBool(b bool) string {
+    return strings.Title(strconv.FormatBool(b))
+}
+
+func formatDatetime(iso string) string {
+    t, err := time.Parse(time.RFC3339, iso)
+    if err != nil {
+        return iso
+    }
+    local := t.Local()
+    year, month, day := local.Date()
+    hour, min, sec := local.Clock()
+    return fmt.Sprintf("%04d-%02d-%02d %02d:%02d:%02d", year, month, day, hour, min, sec)
+}
diff --git a/drive/types.go b/drive/types.go
index 6c1bd14..ecf92a1 100644
--- a/drive/types.go
+++ b/drive/types.go
@@ -45,3 +45,23 @@ type UploadFileArgs struct {
     Stdin bool
     Share bool
 }
+
+type FileInfoArgs struct {
+    Id string
+    SizeInBytes bool
+}
+
+type PrintFileInfoArgs struct {
+    File *drive.File
+    SizeInBytes bool
+}
+
+type kv [2]string
+
+func (self kv) key() string {
+    return self[0]
+}
+
+func (self kv) value() string {
+    return self[1]
+}
diff --git a/gdrive.go b/gdrive.go
index cf1c6ca..e623aa8 100644
--- a/gdrive.go
+++ b/gdrive.go
@@ -142,7 +142,7 @@ func main() {
         &cli.Handler{
             Pattern: "[global options] info [options] <id>",
             Description: "Show file info",
-            Callback: handler,
+            Callback: infoHandler,
             Flags: cli.Flags{
                 "global options": globalFlags,
                 "options": []cli.Flag{
diff --git a/handlers.go b/handlers.go
index 426f089..f681a2d 100644
--- a/handlers.go
+++ b/handlers.go
@@ -47,6 +47,16 @@ func uploadHandler(ctx cli.Context) {
     })
 }
 
+func infoHandler(ctx cli.Context) {
+    args := ctx.Args()
+    gdrive := newDrive()
+
+    gdrive.Info(drive.FileInfoArgs{
+        Id: args.String("id"),
+        SizeInBytes: args.Bool("sizeInBytes"),
+    })
+}
+
 func deleteHandler(ctx cli.Context) {
     fmt.Println("Deleting...")
 }