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channel_id.rs
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channel_id.rs
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use std::fmt::{Display, Formatter, Result as FmtResult, Write as FmtWrite};
use std::io::Read;
use ::model::*;
#[cfg(feature="model")]
use ::builder::{CreateMessage, EditChannel, GetMessages};
#[cfg(feature="cache")]
use ::CACHE;
#[cfg(feature="model")]
use ::http;
#[cfg(feature="model")]
impl ChannelId {
/// Broadcasts that the current user is typing to a channel for the next 5
/// seconds.
///
/// After 5 seconds, another request must be made to continue broadcasting
/// that the current user is typing.
///
/// This should rarely be used for bots, and should likely only be used for
/// signifying that a long-running command is still being executed.
///
/// **Note**: Requires the [Send Messages] permission.
///
/// # Examples
///
/// ```rust,ignore
/// use serenity::model::ChannelId;
///
/// let _successful = ChannelId(7).broadcast_typing();
/// ```
///
/// [Send Messages]: permissions/constant.SEND_MESSAGES.html
#[inline]
pub fn broadcast_typing(&self) -> Result<()> {
http::broadcast_typing(self.0)
}
/// Creates a [permission overwrite][`PermissionOverwrite`] for either a
/// single [`Member`] or [`Role`] within the channel.
///
/// Refer to the documentation for [`GuildChannel::create_permission`] for
/// more information.
///
/// Requires the [Manage Channels] permission.
///
/// [`GuildChannel::create_permission`]: struct.GuildChannel.html#method.create_permission
/// [`Member`]: struct.Member.html
/// [`PermissionOverwrite`]: struct.PermissionOverwrite.html
/// [`Role`]: struct.Role.html
/// [Manage Channels]: permissions/constant.MANAGE_CHANNELS.html
pub fn create_permission(&self, target: &PermissionOverwrite)
-> Result<()> {
let (id, kind) = match target.kind {
PermissionOverwriteType::Member(id) => (id.0, "member"),
PermissionOverwriteType::Role(id) => (id.0, "role"),
};
let map = json!({
"allow": target.allow.bits(),
"deny": target.deny.bits(),
"id": id,
"type": kind,
});
http::create_permission(self.0, id, &map)
}
/// React to a [`Message`] with a custom [`Emoji`] or unicode character.
///
/// [`Message::react`] may be a more suited method of reacting in most
/// cases.
///
/// Requires the [Add Reactions] permission, _if_ the current user is the
/// first user to perform a react with a certain emoji.
///
/// [`Emoji`]: struct.Emoji.html
/// [`Message`]: struct.Message.html
/// [`Message::react`]: struct.Message.html#method.react
/// [Add Reactions]: permissions/constant.ADD_REACTIONS.html
#[inline]
pub fn create_reaction<M, R>(&self, message_id: M, reaction_type: R)
-> Result<()> where M: Into<MessageId>, R: Into<ReactionType> {
http::create_reaction(self.0, message_id.into().0, &reaction_type.into())
}
/// Deletes this channel, returning the channel on a successful deletion.
#[inline]
pub fn delete(&self) -> Result<Channel> {
http::delete_channel(self.0)
}
/// Deletes a [`Message`] given its Id.
///
/// Refer to [`Message::delete`] for more information.
///
/// Requires the [Manage Messages] permission, if the current user is not
/// the author of the message.
///
/// [`Message`]: struct.Message.html
/// [`Message::delete`]: struct.Message.html#method.delete
/// [Manage Messages]: permissions/constant.MANAGE_MESSAGES.html
#[inline]
pub fn delete_message<M: Into<MessageId>>(&self, message_id: M) -> Result<()> {
http::delete_message(self.0, message_id.into().0)
}
/// Deletes all messages by Ids from the given vector in the given channel.
///
/// Refer to the documentation for [`Channel::delete_messages`] for more
/// information.
///
/// Requires the [Manage Messages] permission.
///
/// **Note**: This uses bulk delete endpoint which is not available
/// for user accounts.
///
/// **Note**: Messages that are older than 2 weeks can't be deleted using this method.
///
/// [`Channel::delete_messages`]: enum.Channel.html#method.delete_messages
/// [Manage Messages]: permissions/constant.MANAGE_MESSAGES.html
pub fn delete_messages(&self, message_ids: &[MessageId]) -> Result<()> {
let ids = message_ids.into_iter()
.map(|message_id| message_id.0)
.collect::<Vec<u64>>();
let map = json!({
"messages": ids
});
http::delete_messages(self.0, &map)
}
/// Deletes all permission overrides in the channel from a member or role.
///
/// **Note**: Requires the [Manage Channel] permission.
///
/// [Manage Channel]: permissions/constant.MANAGE_CHANNELS.html
pub fn delete_permission(&self, permission_type: PermissionOverwriteType) -> Result<()> {
http::delete_permission(self.0, match permission_type {
PermissionOverwriteType::Member(id) => id.0,
PermissionOverwriteType::Role(id) => id.0,
})
}
/// Deletes the given [`Reaction`] from the channel.
///
/// **Note**: Requires the [Manage Messages] permission, _if_ the current
/// user did not perform the reaction.
///
/// [`Reaction`]: struct.Reaction.html
/// [Manage Messages]: permissions/constant.MANAGE_MESSAGES.html
pub fn delete_reaction<M, R>(&self, message_id: M, user_id: Option<UserId>, reaction_type: R)
-> Result<()> where M: Into<MessageId>, R: Into<ReactionType> {
http::delete_reaction(self.0,
message_id.into().0,
user_id.map(|uid| uid.0),
&reaction_type.into())
}
/// Edits the settings of a [`Channel`], optionally setting new values.
///
/// Refer to `EditChannel`'s documentation for its methods.
///
/// Requires the [Manage Channel] permission.
///
/// # Examples
///
/// Change a voice channel's name and bitrate:
///
/// ```rust,ignore
/// // assuming a `channel_id` has been bound
///
/// channel_id.edit(|c| c.name("test").bitrate(64000));
/// ```
///
/// [`Channel`]: enum.Channel.html
/// [Manage Channel]: permissions/constant.MANAGE_CHANNELS.html
#[inline]
pub fn edit<F: FnOnce(EditChannel) -> EditChannel>(&self, f: F) -> Result<GuildChannel> {
http::edit_channel(self.0, &f(EditChannel::default()).0)
}
/// Edits a [`Message`] in the channel given its Id.
///
/// Message editing preserves all unchanged message data.
///
/// Refer to the documentation for [`CreateMessage`] for more information
/// regarding message restrictions and requirements.
///
/// **Note**: Requires that the current user be the author of the message.
///
/// # Errors
///
/// Returns a [`ModelError::MessageTooLong`] if the content of the message
/// is over the [`the limit`], containing the number of unicode code points
/// over the limit.
///
/// [`ModelError::MessageTooLong`]: enum.ModelError.html#variant.MessageTooLong
/// [`CreateMessage`]: ../builder/struct.CreateMessage.html
/// [`Message`]: struct.Message.html
/// [`the limit`]: ../builder/struct.CreateMessage.html#method.content
pub fn edit_message<F, M>(&self, message_id: M, f: F) -> Result<Message>
where F: FnOnce(CreateMessage) -> CreateMessage, M: Into<MessageId> {
let map = f(CreateMessage::default()).0;
if let Some(content) = map.get("content") {
if let Value::String(ref content) = *content {
if let Some(length_over) = Message::overflow_length(content) {
return Err(Error::Model(ModelError::MessageTooLong(length_over)));
}
}
}
http::edit_message(self.0, message_id.into().0, &Value::Object(map))
}
/// Search the cache for the channel with the Id.
#[cfg(feature="cache")]
pub fn find(&self) -> Option<Channel> {
CACHE.read().unwrap().channel(*self)
}
/// Search the cache for the channel. If it can't be found, the channel is
/// requested over REST.
pub fn get(&self) -> Result<Channel> {
#[cfg(feature="cache")]
{
if let Some(channel) = CACHE.read().unwrap().channel(*self) {
return Ok(channel);
}
}
http::get_channel(self.0)
}
/// Gets all of the channel's invites.
///
/// Requires the [Manage Channels] permission.
/// [Manage Channels]: permissions/constant.MANAGE_CHANNELS.html
#[inline]
pub fn invites(&self) -> Result<Vec<RichInvite>> {
http::get_channel_invites(self.0)
}
/// Gets a message from the channel.
///
/// Requires the [Read Message History] permission.
///
/// [Read Message History]: permissions/constant.READ_MESSAGE_HISTORY.html
#[inline]
pub fn message<M: Into<MessageId>>(&self, message_id: M) -> Result<Message> {
http::get_message(self.0, message_id.into().0)
.map(|mut msg| {
msg.transform_content();
msg
})
}
/// Gets messages from the channel.
///
/// Refer to [`Channel::get_messages`] for more information.
///
/// Requires the [Read Message History] permission.
///
/// [`Channel::get_messages`]: enum.Channel.html#method.get_messages
/// [Read Message History]: permissions/constant.READ_MESSAGE_HISTORY.html
pub fn messages<F>(&self, f: F) -> Result<Vec<Message>>
where F: FnOnce(GetMessages) -> GetMessages {
let mut map = f(GetMessages::default()).0;
let mut query = format!("?limit={}", map.remove("limit").unwrap_or(50));
if let Some(after) = map.remove("after") {
write!(query, "&after={}", after)?;
} else if let Some(around) = map.remove("around") {
write!(query, "&around={}", around)?;
} else if let Some(before) = map.remove("before") {
write!(query, "&before={}", before)?;
}
http::get_messages(self.0, &query)
.map(|msgs| msgs
.into_iter()
.map(|mut msg| {
msg.transform_content();
msg
}).collect::<Vec<Message>>())
}
/// Pins a [`Message`] to the channel.
///
/// [`Message`]: struct.Message.html
#[inline]
pub fn pin<M: Into<MessageId>>(&self, message_id: M) -> Result<()> {
http::pin_message(self.0, message_id.into().0)
}
/// Gets the list of [`Message`]s which are pinned to the channel.
///
/// [`Message`]: struct.Message.html
#[inline]
pub fn pins(&self) -> Result<Vec<Message>> {
http::get_pins(self.0)
}
/// Gets the list of [`User`]s who have reacted to a [`Message`] with a
/// certain [`Emoji`].
///
/// Refer to [`Channel::get_reaction_users`] for more information.
///
/// **Note**: Requires the [Read Message History] permission.
///
/// [`Channel::get_reaction_users`]: enum.Channel.html#variant.get_reaction_users
/// [`Emoji`]: struct.Emoji.html
/// [`Message`]: struct.Message.html
/// [`User`]: struct.User.html
/// [Read Message History]: permissions/constant.READ_MESSAGE_HISTORY.html
pub fn reaction_users<M, R, U>(&self,
message_id: M,
reaction_type: R,
limit: Option<u8>,
after: Option<U>)
-> Result<Vec<User>> where M: Into<MessageId>, R: Into<ReactionType>, U: Into<UserId> {
let limit = limit.map_or(50, |x| if x > 100 { 100 } else { x });
http::get_reaction_users(self.0,
message_id.into().0,
&reaction_type.into(),
limit,
after.map(|u| u.into().0))
}
/// Sends a message with just the given message content in the channel.
///
/// # Errors
///
/// Returns a [`ModelError::MessageTooLong`] if the content of the message
/// is over the above limit, containing the number of unicode code points
/// over the limit.
///
/// [`ChannelId`]: struct.ChannelId.html
/// [`ModelError::MessageTooLong`]: enum.ModelError.html#variant.MessageTooLong
#[inline]
pub fn say(&self, content: &str) -> Result<Message> {
self.send_message(|m| m.content(content))
}
/// Sends a file along with optional message contents. The filename _must_
/// be specified.
///
/// Message contents may be passed by using the [`CreateMessage::content`]
/// method.
///
/// An embed can _not_ be sent when sending a file. If you set one, it will
/// be automatically removed.
///
/// The [Attach Files] and [Send Messages] permissions are required.
///
/// **Note**: Message contents must be under 2000 unicode code points.
///
/// # Examples
///
/// Send a file with the filename `my_file.jpg`:
///
/// ```rust,no_run
/// use serenity::model::ChannelId;
/// use std::fs::File;
///
/// let channel_id = ChannelId(7);
/// let filename = "my_file.jpg";
/// let file = File::open(filename).unwrap();
///
/// let _ = channel_id.send_file(file, filename, |m| m.content("a file"));
/// ```
///
/// # Errors
///
/// If the content of the message is over the above limit, then a
/// [`ModelError::MessageTooLong`] will be returned, containing the number
/// of unicode code points over the limit.
///
/// [`ModelError::MessageTooLong`]: enum.ModelError.html#variant.MessageTooLong
/// [`CreateMessage::content`]: ../builder/struct.CreateMessage.html#method.content
/// [`GuildChannel`]: struct.GuildChannel.html
/// [Attach Files]: permissions/constant.ATTACH_FILES.html
/// [Send Messages]: permissions/constant.SEND_MESSAGES.html
pub fn send_file<F, R>(&self, file: R, filename: &str, f: F) -> Result<Message>
where F: FnOnce(CreateMessage) -> CreateMessage, R: Read {
let mut map = f(CreateMessage::default()).0;
if let Some(content) = map.get("content") {
if let Value::String(ref content) = *content {
if let Some(length_over) = Message::overflow_length(content) {
return Err(Error::Model(ModelError::MessageTooLong(length_over)));
}
}
}
let _ = map.remove("embed");
http::send_file(self.0, file, filename, map)
}
/// Sends a message to the channel.
///
/// Refer to the documentation for [`CreateMessage`] for more information
/// regarding message restrictions and requirements.
///
/// Requires the [Send Messages] permission.
///
/// **Note**: Message contents must be under 2000 unicode code points.
///
/// # Errors
///
/// Returns a [`ModelError::MessageTooLong`] if the content of the message
/// is over the above limit, containing the number of unicode code points
/// over the limit.
///
/// [`Channel`]: enum.Channel.html
/// [`ModelError::MessageTooLong`]: enum.ModelError.html#variant.MessageTooLong
/// [`CreateMessage`]: ../builder/struct.CreateMessage.html
/// [Send Messages]: permissions/constant.SEND_MESSAGES.html
pub fn send_message<F>(&self, f: F) -> Result<Message>
where F: FnOnce(CreateMessage) -> CreateMessage {
let CreateMessage(map, reactions) = f(CreateMessage::default());
Message::check_content_length(&map)?;
Message::check_embed_length(&map)?;
let message = http::send_message(self.0, &Value::Object(map))?;
if let Some(reactions) = reactions {
for reaction in reactions {
self.create_reaction(message.id, reaction)?;
}
}
Ok(message)
}
/// Unpins a [`Message`] in the channel given by its Id.
///
/// Requires the [Manage Messages] permission.
///
/// [`Message`]: struct.Message.html
/// [Manage Messages]: permissions/constant.MANAGE_MESSAGES.html
#[inline]
pub fn unpin<M: Into<MessageId>>(&self, message_id: M) -> Result<()> {
http::unpin_message(self.0, message_id.into().0)
}
/// Retrieves the channel's webhooks.
///
/// **Note**: Requires the [Manage Webhooks] permission.
///
/// [Manage Webhooks]: permissions/constant.MANAGE_WEBHOOKS.html
#[inline]
pub fn webhooks(&self) -> Result<Vec<Webhook>> {
http::get_channel_webhooks(self.0)
}
/// Alias of [`invites`].
///
/// [`invites`]: #method.invites
#[deprecated(since="0.1.5", note="Use `invites` instead.")]
#[inline]
pub fn get_invites(&self) -> Result<Vec<RichInvite>> {
self.invites()
}
/// Alias of [`message`].
///
/// [`message`]: #method.message
#[deprecated(since="0.1.5", note="Use `message` instead.")]
#[inline]
pub fn get_message<M: Into<MessageId>>(&self, message_id: M) -> Result<Message> {
self.message(message_id)
}
/// Alias of [`messages`].
///
/// [`messages`]: #method.messages
#[deprecated(since="0.1.5", note="Use `messages` instead.")]
#[inline]
pub fn get_messages<F>(&self, f: F) -> Result<Vec<Message>>
where F: FnOnce(GetMessages) -> GetMessages {
self.messages(f)
}
/// Alias of [`reaction_users`].
///
/// [`reaction_users`]: #method.reaction_users
#[deprecated(since="0.1.5", note="Use `reaction_users` instead.")]
#[inline]
pub fn get_reaction_users<M, R, U>(&self,
message_id: M,
reaction_type: R,
limit: Option<u8>,
after: Option<U>)
-> Result<Vec<User>> where M: Into<MessageId>, R: Into<ReactionType>, U: Into<UserId> {
self.reaction_users(message_id, reaction_type, limit, after)
}
/// Alias of [`webhooks`].
///
/// [`webhooks`]: #method.webhooks
#[deprecated(since="0.1.5", note="Use `webhooks` instead.")]
#[inline]
pub fn get_webhooks(&self) -> Result<Vec<Webhook>> {
self.webhooks()
}
}
impl From<Channel> for ChannelId {
/// Gets the Id of a `Channel`.
fn from(channel: Channel) -> ChannelId {
match channel {
Channel::Group(group) => group.read().unwrap().channel_id,
Channel::Guild(ch) => ch.read().unwrap().id,
Channel::Private(ch) => ch.read().unwrap().id,
}
}
}
impl<'a> From<&'a Channel> for ChannelId {
/// Gets the Id of a `Channel`.
fn from(channel: &Channel) -> ChannelId {
match *channel {
Channel::Group(ref group) => group.read().unwrap().channel_id,
Channel::Guild(ref ch) => ch.read().unwrap().id,
Channel::Private(ref ch) => ch.read().unwrap().id,
}
}
}
impl From<PrivateChannel> for ChannelId {
/// Gets the Id of a private channel.
fn from(private_channel: PrivateChannel) -> ChannelId {
private_channel.id
}
}
impl<'a> From<&'a PrivateChannel> for ChannelId {
/// Gets the Id of a private channel.
fn from(private_channel: &PrivateChannel) -> ChannelId {
private_channel.id
}
}
impl From<GuildChannel> for ChannelId {
/// Gets the Id of a guild channel.
fn from(public_channel: GuildChannel) -> ChannelId {
public_channel.id
}
}
impl<'a> From<&'a GuildChannel> for ChannelId {
/// Gets the Id of a guild channel.
fn from(public_channel: &GuildChannel) -> ChannelId {
public_channel.id
}
}
impl Display for ChannelId {
fn fmt(&self, f: &mut Formatter) -> FmtResult {
Display::fmt(&self.0, f)
}
}