email utils and functions

1 files changed, 30 insertions, 0 deletions

diff --git a/utils/email/folders.go b/utils/email/folders.go
new file mode 100644
index 0000000..3acffae
--- /dev/null
+++ b/utils/email/folders.go
@@ -0,0 +1,30 @@
+package email
+
+import (
+	"lain/types"
+
+	"github.com/emersion/go-imap"
+)
+
+func FetchFolders(client *types.EmailClient) ([]types.IMAPFolder, error) {
+	mailboxes := make(chan *imap.MailboxInfo, 10)
+	done := make(chan error, 1)
+
+	go func() {
+		done <- client.List("", "*", mailboxes)
+	}()
+
+	var folders []types.IMAPFolder
+	for m := range mailboxes {
+		folders = append(folders, types.IMAPFolder{
+			Name:        m.Name,
+			HasChildren: hasAttribute(m.Attributes, "\\HasChildren"),
+		})
+	}
+
+	if err := <-done; err != nil {
+		return nil, err
+	}
+
+	return folders, nil
+}