list.go

package cmd

import (
	"fmt"

	"github.com/arrow2nd/ishell/v2"
	"github.com/arrow2nd/twnyan/util"
)

func (cmd *Cmd) newListCmd() *ishell.Cmd {
	return &ishell.Cmd{
		Name:      "list",
		Aliases:   []string{"ls"},
		Completer: cmd.listCmdCompleter,
		Func:      cmd.execListCmd,
		Help:      "displays the list timeline",
		LongHelp: createLongHelp(
			`Displays the list timeline.
You can use the tab key to complete the list name.
If number of acquisitions is omitted, the default value in the configuration file is specified.`,
			"ls",
			"list <listname> [number]",
			"list cats 50",
		),
	}
}

func (cmd *Cmd) execListCmd(c *ishell.Context) {
	name, counts, err := cmd.parseTimelineCmdArgs(c.Args)
	if err != nil {
		cmd.showWrongArgMessage(c.Cmd.Name)
		return
	}

	// リスト名からリストIDを取得
	listId, ok := cmd.twitter.List[name]
	if !ok {
		cmd.showErrorMessage("Not found in list")
		return
	}

	// リストのツイートを取得
	tweets, err := cmd.twitter.FetchListTweets(listId, counts)
	if err != nil {
		cmd.showErrorMessage(err.Error())
		return
	}

	cmd.twitter.RegisterTweets(tweets)
	cmd.showTweets()
}

func (cmd *Cmd) listCmdCompleter([]string) []string {
	// リストが無いなら処理しない
	if len(cmd.twitter.List) == 0 {
		return nil
	}

	// 入力補完用のスライスを作成
	items := []string{}

	for name := range cmd.twitter.List {
		// リスト名が空白を含んでいるならダブルクオートで囲む
		if util.MatchesRegexp("\\s", name) {
			name = fmt.Sprintf("\"%s\"", name)
		}

		items = append(items, name)
	}

	return items
}