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