widget: Add ProvidesMessage interface

Consists of 3 functions
* Store: Access to MessageStore type
* SelectedAccount: Access to Account widget that the target widget
belongs to
* SelectedMessage: Current message (selected in msglist or the one we
are viewing)

Signed-off-by: Kevin Kuehler <keur@ocf.berkeley.edu>

1 files changed, 45 insertions, 0 deletions

diff --git a/commands/msg/delete.go b/commands/msg/delete.go
new file mode 100644
index 0000000..082dbe3
--- /dev/null
+++ b/commands/msg/delete.go
@@ -0,0 +1,45 @@
+package msg
+
+import (
+	"errors"
+	"time"
+
+	"github.com/gdamore/tcell"
+
+	"git.sr.ht/~sircmpwn/aerc/widgets"
+	"git.sr.ht/~sircmpwn/aerc/worker/types"
+)
+
+func init() {
+	register("delete", DeleteMessage)
+	register("delete-message", DeleteMessage)
+}
+
+func DeleteMessage(aerc *widgets.Aerc, args []string) error {
+	if len(args) != 1 {
+		return errors.New("Usage: :delete")
+	}
+
+	widget := aerc.SelectedTab().(widgets.ProvidesMessage)
+	acct := widget.SelectedAccount()
+	if acct == nil {
+		return errors.New("No account selected")
+	}
+	store := widget.Store()
+	msg := widget.SelectedMessage()
+	_, isMsgView := widget.(*widgets.MessageViewer)
+	if isMsgView {
+		aerc.RemoveTab(widget)
+	}
+	acct.Messages().Next()
+	store.Delete([]uint32{msg.Uid}, func(msg types.WorkerMessage) {
+		switch msg := msg.(type) {
+		case *types.Done:
+			aerc.PushStatus("Messages deleted.", 10*time.Second)
+		case *types.Error:
+			aerc.PushStatus(" "+msg.Error.Error(), 10*time.Second).
+				Color(tcell.ColorDefault, tcell.ColorRed)
+		}
+	})
+	return nil
+}