Implement delete revision

1 files changed, 31 insertions, 0 deletions

diff --git a/drive/revision_delete.go b/drive/revision_delete.go
new file mode 100644
index 0000000..88c81c6
--- /dev/null
+++ b/drive/revision_delete.go
@@ -0,0 +1,31 @@
+package drive
+
+import (
+    "io"
+    "fmt"
+)
+
+type DeleteRevisionArgs struct {
+    Out io.Writer
+    FileId string
+    RevisionId string
+}
+
+func (self *Drive) DeleteRevision(args DeleteRevisionArgs) (err error) {
+    rev, err := self.service.Revisions.Get(args.FileId, args.RevisionId).Fields("originalFilename").Do()
+    if err != nil {
+        return fmt.Errorf("Failed to get revision: %s", err)
+    }
+
+    if rev.OriginalFilename == "" {
+        return fmt.Errorf("Deleting revisions for this file type is not supported")
+    }
+
+    err = self.service.Revisions.Delete(args.FileId, args.RevisionId).Do()
+    if err != nil {
+        return fmt.Errorf("Failed to delete revision", err)
+    }
+
+    fmt.Fprintf(args.Out, "Deleted revision '%s'\n", args.RevisionId)
+    return
+}