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matterbridge/vendor/github.com/bwmarrin/discordgo/message.go
2018-11-13 00:02:07 +01:00

292 lines
8.5 KiB
Go

// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains code related to the Message struct
package discordgo
import (
"io"
"regexp"
"strings"
)
// MessageType is the type of Message
type MessageType int
// Block contains the valid known MessageType values
const (
MessageTypeDefault MessageType = iota
MessageTypeRecipientAdd
MessageTypeRecipientRemove
MessageTypeCall
MessageTypeChannelNameChange
MessageTypeChannelIconChange
MessageTypeChannelPinnedMessage
MessageTypeGuildMemberJoin
)
// A Message stores all data related to a specific Discord message.
type Message struct {
// The ID of the message.
ID string `json:"id"`
// The ID of the channel in which the message was sent.
ChannelID string `json:"channel_id"`
// The ID of the guild in which the message was sent.
GuildID string `json:"guild_id,omitempty"`
// The content of the message.
Content string `json:"content"`
// The time at which the messsage was sent.
// CAUTION: this field may be removed in a
// future API version; it is safer to calculate
// the creation time via the ID.
Timestamp Timestamp `json:"timestamp"`
// The time at which the last edit of the message
// occurred, if it has been edited.
EditedTimestamp Timestamp `json:"edited_timestamp"`
// The roles mentioned in the message.
MentionRoles []string `json:"mention_roles"`
// Whether the message is text-to-speech.
Tts bool `json:"tts"`
// Whether the message mentions everyone.
MentionEveryone bool `json:"mention_everyone"`
// The author of the message. This is not guaranteed to be a
// valid user (webhook-sent messages do not possess a full author).
Author *User `json:"author"`
// A list of attachments present in the message.
Attachments []*MessageAttachment `json:"attachments"`
// A list of embeds present in the message. Multiple
// embeds can currently only be sent by webhooks.
Embeds []*MessageEmbed `json:"embeds"`
// A list of users mentioned in the message.
Mentions []*User `json:"mentions"`
// A list of reactions to the message.
Reactions []*MessageReactions `json:"reactions"`
// The type of the message.
Type MessageType `json:"type"`
// The webhook ID of the message, if it was generated by a webhook
WebhookID string `json:"webhook_id"`
}
// File stores info about files you e.g. send in messages.
type File struct {
Name string
ContentType string
Reader io.Reader
}
// MessageSend stores all parameters you can send with ChannelMessageSendComplex.
type MessageSend struct {
Content string `json:"content,omitempty"`
Embed *MessageEmbed `json:"embed,omitempty"`
Tts bool `json:"tts"`
Files []*File `json:"-"`
// TODO: Remove this when compatibility is not required.
File *File `json:"-"`
}
// MessageEdit is used to chain parameters via ChannelMessageEditComplex, which
// is also where you should get the instance from.
type MessageEdit struct {
Content *string `json:"content,omitempty"`
Embed *MessageEmbed `json:"embed,omitempty"`
ID string
Channel string
}
// NewMessageEdit returns a MessageEdit struct, initialized
// with the Channel and ID.
func NewMessageEdit(channelID string, messageID string) *MessageEdit {
return &MessageEdit{
Channel: channelID,
ID: messageID,
}
}
// SetContent is the same as setting the variable Content,
// except it doesn't take a pointer.
func (m *MessageEdit) SetContent(str string) *MessageEdit {
m.Content = &str
return m
}
// SetEmbed is a convenience function for setting the embed,
// so you can chain commands.
func (m *MessageEdit) SetEmbed(embed *MessageEmbed) *MessageEdit {
m.Embed = embed
return m
}
// A MessageAttachment stores data for message attachments.
type MessageAttachment struct {
ID string `json:"id"`
URL string `json:"url"`
ProxyURL string `json:"proxy_url"`
Filename string `json:"filename"`
Width int `json:"width"`
Height int `json:"height"`
Size int `json:"size"`
}
// MessageEmbedFooter is a part of a MessageEmbed struct.
type MessageEmbedFooter struct {
Text string `json:"text,omitempty"`
IconURL string `json:"icon_url,omitempty"`
ProxyIconURL string `json:"proxy_icon_url,omitempty"`
}
// MessageEmbedImage is a part of a MessageEmbed struct.
type MessageEmbedImage struct {
URL string `json:"url,omitempty"`
ProxyURL string `json:"proxy_url,omitempty"`
Width int `json:"width,omitempty"`
Height int `json:"height,omitempty"`
}
// MessageEmbedThumbnail is a part of a MessageEmbed struct.
type MessageEmbedThumbnail struct {
URL string `json:"url,omitempty"`
ProxyURL string `json:"proxy_url,omitempty"`
Width int `json:"width,omitempty"`
Height int `json:"height,omitempty"`
}
// MessageEmbedVideo is a part of a MessageEmbed struct.
type MessageEmbedVideo struct {
URL string `json:"url,omitempty"`
ProxyURL string `json:"proxy_url,omitempty"`
Width int `json:"width,omitempty"`
Height int `json:"height,omitempty"`
}
// MessageEmbedProvider is a part of a MessageEmbed struct.
type MessageEmbedProvider struct {
URL string `json:"url,omitempty"`
Name string `json:"name,omitempty"`
}
// MessageEmbedAuthor is a part of a MessageEmbed struct.
type MessageEmbedAuthor struct {
URL string `json:"url,omitempty"`
Name string `json:"name,omitempty"`
IconURL string `json:"icon_url,omitempty"`
ProxyIconURL string `json:"proxy_icon_url,omitempty"`
}
// MessageEmbedField is a part of a MessageEmbed struct.
type MessageEmbedField struct {
Name string `json:"name,omitempty"`
Value string `json:"value,omitempty"`
Inline bool `json:"inline,omitempty"`
}
// An MessageEmbed stores data for message embeds.
type MessageEmbed struct {
URL string `json:"url,omitempty"`
Type string `json:"type,omitempty"`
Title string `json:"title,omitempty"`
Description string `json:"description,omitempty"`
Timestamp string `json:"timestamp,omitempty"`
Color int `json:"color,omitempty"`
Footer *MessageEmbedFooter `json:"footer,omitempty"`
Image *MessageEmbedImage `json:"image,omitempty"`
Thumbnail *MessageEmbedThumbnail `json:"thumbnail,omitempty"`
Video *MessageEmbedVideo `json:"video,omitempty"`
Provider *MessageEmbedProvider `json:"provider,omitempty"`
Author *MessageEmbedAuthor `json:"author,omitempty"`
Fields []*MessageEmbedField `json:"fields,omitempty"`
}
// MessageReactions holds a reactions object for a message.
type MessageReactions struct {
Count int `json:"count"`
Me bool `json:"me"`
Emoji *Emoji `json:"emoji"`
}
// ContentWithMentionsReplaced will replace all @<id> mentions with the
// username of the mention.
func (m *Message) ContentWithMentionsReplaced() (content string) {
content = m.Content
for _, user := range m.Mentions {
content = strings.NewReplacer(
"<@"+user.ID+">", "@"+user.Username,
"<@!"+user.ID+">", "@"+user.Username,
).Replace(content)
}
return
}
var patternChannels = regexp.MustCompile("<#[^>]*>")
// ContentWithMoreMentionsReplaced will replace all @<id> mentions with the
// username of the mention, but also role IDs and more.
func (m *Message) ContentWithMoreMentionsReplaced(s *Session) (content string, err error) {
content = m.Content
if !s.StateEnabled {
content = m.ContentWithMentionsReplaced()
return
}
channel, err := s.State.Channel(m.ChannelID)
if err != nil {
content = m.ContentWithMentionsReplaced()
return
}
for _, user := range m.Mentions {
nick := user.Username
member, err := s.State.Member(channel.GuildID, user.ID)
if err == nil && member.Nick != "" {
nick = member.Nick
}
content = strings.NewReplacer(
"<@"+user.ID+">", "@"+user.Username,
"<@!"+user.ID+">", "@"+nick,
).Replace(content)
}
for _, roleID := range m.MentionRoles {
role, err := s.State.Role(channel.GuildID, roleID)
if err != nil || !role.Mentionable {
continue
}
content = strings.Replace(content, "<@&"+role.ID+">", "@"+role.Name, -1)
}
content = patternChannels.ReplaceAllStringFunc(content, func(mention string) string {
channel, err := s.State.Channel(mention[2 : len(mention)-1])
if err != nil || channel.Type == ChannelTypeGuildVoice {
return mention
}
return "#" + channel.Name
})
return
}