commands: add check-mail command

Add :check-mail command for ad-hoc checking of mail. Reset timer for
automatic checking if it is enabled.

Suggested-by: staceee
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>

commands/account/check-mail.go

@@ -0,0 +1,31 @@
+package account
+
+import (
+	"errors"
+
+	"git.sr.ht/~rjarry/aerc/widgets"
+)
+
+type CheckMail struct{}
+
+func init() {
+	register(CheckMail{})
+}
+
+func (CheckMail) Aliases() []string {
+	return []string{"check-mail"}
+}
+
+func (CheckMail) Complete(aerc *widgets.Aerc, args []string) []string {
+	return nil
+}
+
+func (CheckMail) Execute(aerc *widgets.Aerc, args []string) error {
+	acct := aerc.SelectedAccount()
+	if acct == nil {
+		return errors.New("No account selected")
+	}
+	acct.CheckMailReset()
+	acct.CheckMail()
+	return nil
+}