Files
lysenko/vendor/github.com/tcolgate/hugot/message.go
2016-10-14 23:42:51 +01:00

86 lines
2.3 KiB
Go

// Copyright (c) 2016 Tristan Colgate-McFarlane
//
// This file is part of hugot.
//
// hugot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// hugot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with hugot. If not, see <http://www.gnu.org/licenses/>.
package hugot
import (
"bytes"
"flag"
"fmt"
"github.com/nlopes/slack"
)
// Message describes a Message from or to a user. It is intended to
// provided a resonable lowest common denominator for modern chat systems.
// It takes the Slack message format to provide that minimum but makes no
// assumption about support for any markup.
// If used within a command handler, the message can also be used as a flag.FlagSet
// for adding and processing the message as a CLI command.
type Message struct {
To string
From string
Channel string
UserID string // Verified user identitify within the source adapter
Text string // A plain text message
Attachments []Attachment
Private bool
ToBot bool
Extra interface{} // Arbitrary storage
*flag.FlagSet
args []string
flagOut *bytes.Buffer
}
// Attachment represents a rich message attachment and is directly
// modeled on the Slack attachments API
type Attachment slack.Attachment
// Reply returns a messsage with Text tx and the From and To fields switched
func (m *Message) Reply(txt string) *Message {
out := *m
out.Text = txt
out.From = ""
out.To = m.From
return &out
}
// Replyf returns message with txt set to the fmt.Printf style formatting,
// and the from/to fields switched.
func (m *Message) Replyf(s string, is ...interface{}) *Message {
return m.Reply(fmt.Sprintf(s, is...))
}
// Parse process any Args for this message in line with any flags that have
// been added to the message.
func (m *Message) Parse() error {
if len(m.args) == 0 {
return nil
}
err := m.FlagSet.Parse(m.args[1:])
m.args = m.Args()
return err
}