Add context-specific commands

1 files changed, 55 insertions, 0 deletions

diff --git a/commands/account/next-message.go b/commands/account/next-message.go
new file mode 100644
index 00000000..d2c006fb
--- /dev/null
+++ b/commands/account/next-message.go
@@ -0,0 +1,55 @@
+package account
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+
+	"git.sr.ht/~sircmpwn/aerc2/widgets"
+)
+
+func init() {
+	register("next-message", NextPrevMessage)
+	register("prev-message", NextPrevMessage)
+}
+
+func nextPrevMessageUsage(cmd string) error {
+	return errors.New(fmt.Sprintf("Usage: %s [<n>[%%]]", cmd))
+}
+
+func NextPrevMessage(aerc *widgets.Aerc, args []string) error {
+	if len(args) > 2 {
+		return nextPrevMessageUsage(args[0])
+	}
+	var (
+		n   int = 1
+		err error
+		pct bool
+	)
+	if len(args) > 1 {
+		if strings.HasSuffix(args[1], "%") {
+			pct = true
+			args[1] = args[1][:len(args[1])-1]
+		}
+		n, err = strconv.Atoi(args[1])
+		if err != nil {
+			return nextPrevMessageUsage(args[0])
+		}
+	}
+	acct := aerc.SelectedAccount()
+	if acct == nil {
+		return errors.New("No account selected")
+	}
+	if pct {
+		n = int(float64(acct.Messages().Height()) * (float64(n) / 100.0))
+	}
+	for ; n > 0; n-- {
+		if args[0] == "prev-message" {
+			acct.Messages().Prev()
+		} else {
+			acct.Messages().Next()
+		}
+	}
+	return nil
+}