83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
package account
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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"git.sr.ht/~rjarry/aerc/widgets"
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)
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type NextPrevMsg struct{}
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func init() {
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register(NextPrevMsg{})
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}
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func (NextPrevMsg) Aliases() []string {
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return []string{"next", "next-message", "prev", "prev-message"}
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}
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func (NextPrevMsg) Complete(aerc *widgets.Aerc, args []string) []string {
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return nil
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}
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func (NextPrevMsg) Execute(aerc *widgets.Aerc, args []string) error {
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n, pct, err := ParseNextPrevMessage(args)
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if err != nil {
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return err
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}
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acct := aerc.SelectedAccount()
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if acct == nil {
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return errors.New("No account selected")
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}
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return ExecuteNextPrevMessage(args, acct, pct, n)
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}
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func ParseNextPrevMessage(args []string) (int, bool, error) {
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if len(args) > 2 {
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return 0, false, nextPrevMessageUsage(args[0])
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}
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var (
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n int = 1
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err error
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pct bool
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)
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if len(args) > 1 {
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if strings.HasSuffix(args[1], "%") {
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pct = true
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args[1] = args[1][:len(args[1])-1]
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}
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n, err = strconv.Atoi(args[1])
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if err != nil {
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return 0, false, nextPrevMessageUsage(args[0])
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}
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}
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return n, pct, nil
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}
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func ExecuteNextPrevMessage(args []string, acct *widgets.AccountView, pct bool, n int) error {
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if pct {
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n = int(float64(acct.Messages().Height()) * (float64(n) / 100.0))
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}
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if args[0] == "prev-message" || args[0] == "prev" {
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store := acct.Store()
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if store != nil {
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store.NextPrev(-n)
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acct.Messages().Invalidate()
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}
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} else {
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store := acct.Store()
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if store != nil {
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store.NextPrev(n)
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acct.Messages().Invalidate()
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}
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}
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return nil
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}
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func nextPrevMessageUsage(cmd string) error {
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return fmt.Errorf("Usage: %s [<n>[%%]]", cmd)
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}
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