catbase/plugins/leftpad/leftpad.go

65 lines
1.5 KiB
Go

// © 2016 the CatBase Authors under the WTFPL license. See AUTHORS for the list of authors.
// Leftpad contains the plugin that allows the bot to pad messages
package leftpad
import (
"fmt"
"strconv"
"strings"
"github.com/chrissexton/leftpad"
"github.com/velour/catbase/bot"
"github.com/velour/catbase/bot/msg"
"github.com/velour/catbase/config"
)
type LeftpadPlugin struct {
bot bot.Bot
config *config.Config
}
// New creates a new LeftpadPlugin with the Plugin interface
func New(b bot.Bot) *LeftpadPlugin {
p := &LeftpadPlugin{
bot: b,
config: b.Config(),
}
b.Register(p, bot.Message, p.message)
return p
}
type leftpadResp struct {
Str string
}
func (p *LeftpadPlugin) message(kind bot.Kind, message msg.Message, args ...interface{}) bool {
if !message.Command {
return false
}
parts := strings.Fields(message.Body)
if len(parts) > 3 && parts[0] == "leftpad" {
padchar := parts[1]
length, err := strconv.Atoi(parts[2])
if err != nil {
p.bot.Send(bot.Message, message.Channel, "Invalid padding number")
return true
}
maxLen, who := p.config.GetInt("LeftPad.MaxLen", 50), p.config.Get("LeftPad.Who", "Putin")
if length > maxLen && maxLen > 0 {
msg := fmt.Sprintf("%s would kill me if I did that.", who)
p.bot.Send(bot.Message, message.Channel, msg)
return true
}
text := strings.Join(parts[3:], " ")
res := leftpad.LeftPad(text, length, padchar)
p.bot.Send(bot.Message, message.Channel, res)
return true
}
return false
}