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#[cfg(feature = "http")] use crate::http::CacheHttp; use crate::{internal::RwLockExt, model::prelude::*}; #[cfg(feature = "model")] use std::borrow::Cow; #[cfg(feature = "model")] use std::fmt::Write as FmtWrite; #[cfg(feature = "model")] use crate::builder::{ CreateMessage, EditChannel, EditMessage, GetMessages }; #[cfg(all(feature = "cache", feature = "model"))] use crate::cache:: {Cache, CacheRwLock}; #[cfg(all(feature = "cache", feature = "model"))] use parking_lot::RwLock; #[cfg(feature = "model")] use crate::http::AttachmentType; #[cfg(feature = "model")] use crate::utils; #[cfg(feature = "http")] use crate::http::Http; #[cfg(all(feature = "http", feature = "model"))] use serde_json::json; #[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/struct.Permissions.html#associatedconstant.SEND_MESSAGES #[cfg(feature = "http")] #[inline] pub fn broadcast_typing(self, http: impl AsRef<Http>) -> Result<()> { http.as_ref().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`]: ../channel/struct.GuildChannel.html#method.create_permission /// [`Member`]: ../guild/struct.Member.html /// [`PermissionOverwrite`]: ../channel/struct.PermissionOverwrite.html /// [`Role`]: ../guild/struct.Role.html /// [Manage Channels]: ../permissions/struct.Permissions.html#associatedconstant.MANAGE_CHANNELS #[cfg(feature = "http")] #[inline] pub fn create_permission(self, http: impl AsRef<Http>, target: &PermissionOverwrite) -> Result<()> { let (id, kind) = match target.kind { PermissionOverwriteType::Member(id) => (id.0, "member"), PermissionOverwriteType::Role(id) => (id.0, "role"), PermissionOverwriteType::__Nonexhaustive => unreachable!(), }; let map = json!({ "allow": target.allow.bits(), "deny": target.deny.bits(), "id": id, "type": kind, }); http.as_ref().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`]: ../guild/struct.Emoji.html /// [`Message`]: ../channel/struct.Message.html /// [`Message::react`]: ../channel/struct.Message.html#method.react /// [Add Reactions]: ../permissions/struct.Permissions.html#associatedconstant.ADD_REACTIONS #[cfg(feature = "http")] #[inline] pub fn create_reaction<M, R>(self, http: impl AsRef<Http>, message_id: M, reaction_type: R) -> Result<()> where M: Into<MessageId>, R: Into<ReactionType> { self._create_reaction(&http, message_id.into(), &reaction_type.into()) } fn _create_reaction( self, http: impl AsRef<Http>, message_id: MessageId, reaction_type: &ReactionType, ) -> Result<()> { http.as_ref().create_reaction(self.0, message_id.0, reaction_type) } /// Deletes this channel, returning the channel on a successful deletion. #[cfg(feature = "http")] #[inline] pub fn delete(self, http: impl AsRef<Http>) -> Result<Channel> { http.as_ref().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`]: ../channel/struct.Message.html /// [`Message::delete`]: ../channel/struct.Message.html#method.delete /// [Manage Messages]: ../permissions/struct.Permissions.html#associatedconstant.MANAGE_MESSAGES #[cfg(feature = "http")] #[inline] pub fn delete_message<M: Into<MessageId>>(self, http: impl AsRef<Http>, message_id: M) -> Result<()> { self._delete_message(&http, message_id.into()) } #[cfg(feature = "http")] fn _delete_message(self, http: impl AsRef<Http>, message_id: MessageId) -> Result<()> { http.as_ref().delete_message(self.0, message_id.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**: Messages that are older than 2 weeks can't be deleted using /// this method. /// /// # Errors /// /// Returns [`ModelError::BulkDeleteAmount`] if an attempt was made to /// delete either 0 or more than 100 messages. /// /// [`Channel::delete_messages`]: ../channel/enum.Channel.html#method.delete_messages /// [`ModelError::BulkDeleteAmount`]: ../error/enum.Error.html#variant.BulkDeleteAmount /// [Manage Messages]: ../permissions/struct.Permissions.html#associatedconstant.MANAGE_MESSAGES #[cfg(feature = "http")] pub fn delete_messages<T: AsRef<MessageId>, It: IntoIterator<Item=T>>(self, http: impl AsRef<Http>, message_ids: It) -> Result<()> { let ids = message_ids .into_iter() .map(|message_id| message_id.as_ref().0) .collect::<Vec<u64>>(); self._delete_messages(&http, &ids) } #[cfg(feature = "http")] fn _delete_messages(self, http: impl AsRef<Http>, ids: &[u64]) -> Result<()> { let len = ids.len(); if len == 0 || len > 100 { Err(Error::Model(ModelError::BulkDeleteAmount)) } else if ids.len() == 1 { self.delete_message(&http, ids[0]) } else { let map = json!({ "messages": ids }); http.as_ref().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/struct.Permissions.html#associatedconstant.MANAGE_CHANNELS #[cfg(feature = "http")] pub fn delete_permission(self, http: impl AsRef<Http>, permission_type: PermissionOverwriteType) -> Result<()> { http.as_ref().delete_permission( self.0, match permission_type { PermissionOverwriteType::Member(id) => id.0, PermissionOverwriteType::Role(id) => id.0, PermissionOverwriteType::__Nonexhaustive => unreachable!(), }, ) } /// Deletes the given [`Reaction`] from the channel. /// /// **Note**: Requires the [Manage Messages] permission, _if_ the current /// user did not perform the reaction. /// /// [`Reaction`]: ../channel/struct.Reaction.html /// [Manage Messages]: ../permissions/struct.Permissions.html#associatedconstant.MANAGE_MESSAGES #[cfg(feature = "http")] #[inline] pub fn delete_reaction<M, R>(self, http: impl AsRef<Http>, message_id: M, user_id: Option<UserId>, reaction_type: R) -> Result<()> where M: Into<MessageId>, R: Into<ReactionType> { self._delete_reaction( &http, message_id.into(), user_id, &reaction_type.into(), ) } #[cfg(feature = "http")] fn _delete_reaction( self, http: impl AsRef<Http>, message_id: MessageId, user_id: Option<UserId>, reaction_type: &ReactionType, ) -> Result<()> { http.as_ref().delete_reaction( self.0, message_id.0, user_id.map(|uid| uid.0), reaction_type, ) } /// 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(&context, |c| c.name("test").bitrate(64000)); /// ``` /// /// [`Channel`]: ../channel/enum.Channel.html /// [Manage Channel]: ../permissions/struct.Permissions.html#associatedconstant.MANAGE_CHANNELS #[cfg(all(feature = "utils", feature = "http"))] #[inline] pub fn edit<F: FnOnce(&mut EditChannel) -> &mut EditChannel>(self, http: impl AsRef<Http>, f: F) -> Result<GuildChannel> { let mut channel = EditChannel::default(); f(&mut channel); let map = utils::hashmap_to_json_map(channel.0); http.as_ref().edit_channel(self.0, &map) } /// Edits a [`Message`] in the channel given its Id. /// /// Message editing preserves all unchanged message data. /// /// Refer to the documentation for [`EditMessage`] 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`]: ../error/enum.Error.html#variant.MessageTooLong /// [`EditMessage`]: ../../builder/struct.EditMessage.html /// [`Message`]: ../channel/struct.Message.html /// [`the limit`]: ../../builder/struct.EditMessage.html#method.content #[cfg(all(feature = "utils", feature = "http"))] #[inline] pub fn edit_message<F, M>(self, http: impl AsRef<Http>, message_id: M, f: F) -> Result<Message> where F: FnOnce(&mut EditMessage) -> &mut EditMessage, M: Into<MessageId> { self._edit_message(&http, message_id.into(), f) } fn _edit_message<F>(self, http: impl AsRef<Http>, message_id: MessageId, f: F) -> Result<Message> where F: FnOnce(&mut EditMessage) -> &mut EditMessage { let mut msg = EditMessage::default(); f(&mut msg); if let Some(content) = msg.0.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 = utils::hashmap_to_json_map(msg.0); http.as_ref().edit_message(self.0, message_id.0, &Value::Object(map)) } /// Attempts to find a [`Channel`] by its Id in the cache. /// /// [`Channel`]: ../channel/enum.Channel.html #[cfg(feature = "cache")] #[inline] pub fn to_channel_cached(self, cache: impl AsRef<CacheRwLock>) -> Option<Channel> { self._to_channel_cached(&cache.as_ref()) } /// To allow testing pass their own cache instead of using the globale one. #[cfg(feature = "cache")] #[inline] pub(crate) fn _to_channel_cached(self, cache: &RwLock<Cache>) -> Option<Channel> { cache.read().channel(self) } /// First attempts to find a [`Channel`] by its Id in the cache, /// upon failure requests it via the REST API. /// /// **Note**: If the `cache`-feature is enabled permissions will be checked and upon /// owning the required permissions the HTTP-request will be issued. /// /// [`Channel`]: ../channel/enum.Channel.html #[cfg(feature = "http")] #[inline] pub fn to_channel(self, cache_http: impl CacheHttp) -> Result<Channel> { #[cfg(feature = "cache")] { if let Some(cache) = cache_http.cache() { if let Some(channel) = cache.read().channel(self) { return Ok(channel); } } } cache_http.http().get_channel(self.0) } /// Gets all of the channel's invites. /// /// Requires the [Manage Channels] permission. /// /// [Manage Channels]: ../permissions/struct.Permissions.html#associatedconstant.MANAGE_CHANNELS #[cfg(feature = "http")] #[inline] pub fn invites(self, http: impl AsRef<Http>) -> Result<Vec<RichInvite>> {http.as_ref().get_channel_invites(self.0) } /// Gets a message from the channel. /// /// Requires the [Read Message History] permission. /// /// [Read Message History]: ../permissions/struct.Permissions.html#associatedconstant.READ_MESSAGE_HISTORY #[cfg(feature = "http")] #[inline] pub fn message<M: Into<MessageId>>(self, http: impl AsRef<Http>, message_id: M) -> Result<Message> { self._message(&http, message_id.into()) } #[cfg(feature = "http")] fn _message(self, http: impl AsRef<Http>, message_id: MessageId) -> Result<Message> { http.as_ref().get_message(self.0, message_id.0).map(|mut msg| { msg.transform_content(); msg }) } /// Gets messages from the channel. /// /// Refer to [`GetMessages`] for more information on how to use `builder`. /// /// Requires the [Read Message History] permission. /// /// [`GetMessages`]: ../../builder/struct.GetMessages.html /// [Read Message History]: ../permissions/struct.Permissions.html#associatedconstant.READ_MESSAGE_HISTORY #[cfg(feature = "http")] pub fn messages<F>(self, http: impl AsRef<Http>, builder: F) -> Result<Vec<Message>> where F: FnOnce(&mut GetMessages) -> &mut GetMessages { let mut get_messages = GetMessages::default(); builder(&mut get_messages); let mut map = get_messages.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.as_ref().get_messages(self.0, &query).map(|msgs| { msgs.into_iter() .map(|mut msg| { msg.transform_content(); msg }) .collect::<Vec<Message>>() }) } /// Returns the name of whatever channel this id holds. #[cfg(all(feature = "model", feature = "cache"))] pub fn name(self, cache: impl AsRef<CacheRwLock>) -> Option<String> { let channel = if let Some(c) = self.to_channel_cached(&cache) { c } else { return None; }; Some(match channel { Channel::Guild(channel) => channel.read().name().to_string(), Channel::Group(channel) => match channel.read().name() { Cow::Borrowed(name) => name.to_string(), Cow::Owned(name) => name, }, Channel::Category(category) => category.read().name().to_string(), Channel::Private(channel) => channel.read().name(), Channel::__Nonexhaustive => unreachable!(), }) } /// Pins a [`Message`] to the channel. /// /// [`Message`]: ../channel/struct.Message.html #[cfg(feature = "http")] #[inline] pub fn pin<M: Into<MessageId>>(self, http: impl AsRef<Http>, message_id: M) -> Result<()> { self._pin(&http, message_id.into()) } fn _pin(self, http: impl AsRef<Http>, message_id: MessageId) -> Result<()> { http.as_ref().pin_message(self.0, message_id.0) } /// Gets the list of [`Message`]s which are pinned to the channel. /// /// [`Message`]: ../channel/struct.Message.html #[cfg(feature = "http")] #[inline] pub fn pins(self, http: impl AsRef<Http>) -> Result<Vec<Message>> {http.as_ref().get_pins(self.0) } /// Gets the list of [`User`]s who have reacted to a [`Message`] with a /// certain [`Emoji`]. /// /// Refer to [`Channel::reaction_users`] for more information. /// /// **Note**: Requires the [Read Message History] permission. /// /// [`Channel::reaction_users`]: ../channel/enum.Channel.html#method.reaction_users /// [`Emoji`]: ../guild/struct.Emoji.html /// [`Message`]: ../channel/struct.Message.html /// [`User`]: ../user/struct.User.html /// [Read Message History]: ../permissions/struct.Permissions.html#associatedconstant.READ_MESSAGE_HISTORY #[cfg(feature = "http")] pub fn reaction_users<M, R, U>(self, http: impl AsRef<Http>, message_id: M, reaction_type: R, limit: Option<u8>, after: U, ) -> Result<Vec<User>> where M: Into<MessageId>, R: Into<ReactionType>, U: Into<Option<UserId>> { self._reaction_users( http, message_id.into(), &reaction_type.into(), limit, after.into(), ) } #[cfg(feature = "http")] fn _reaction_users( self, http: impl AsRef<Http>, message_id: MessageId, reaction_type: &ReactionType, limit: Option<u8>, after: Option<UserId>, ) -> Result<Vec<User>> { let limit = limit.map_or(50, |x| if x > 100 { 100 } else { x }); http.as_ref().get_reaction_users( self.0, message_id.0, reaction_type, limit, after.map(|x| x.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`]: ../error/enum.Error.html#variant.MessageTooLong #[cfg(feature = "http")] #[inline] pub fn say(self, http: impl AsRef<Http>, content: impl std::fmt::Display) -> Result<Message> { self.send_message(&http, |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. /// /// The [Attach Files] and [Send Messages] permissions are required. /// /// **Note**: Message contents must be under 2000 unicode code points. /// /// # Examples /// /// Send files with the paths `/path/to/file.jpg` and `/path/to/file2.jpg`: /// /// ```rust,no_run /// # use serenity::http::Http; /// # use std::sync::Arc; /// # /// # let http = Arc::new(Http::default()); /// use serenity::model::id::ChannelId; /// /// let channel_id = ChannelId(7); /// /// let paths = vec!["/path/to/file.jpg", "path/to/file2.jpg"]; /// /// let _ = channel_id.send_files(&http, paths, |m| { /// m.content("a file") /// }); /// ``` /// /// Send files using `File`: /// /// ```rust,no_run /// # use serenity::http::Http; /// # use std::sync::Arc; /// # /// # let http = Arc::new(Http::default()); /// use serenity::model::id::ChannelId; /// use std::fs::File; /// /// let channel_id = ChannelId(7); /// /// let f1 = File::open("my_file.jpg").unwrap(); /// let f2 = File::open("my_file2.jpg").unwrap(); /// /// let files = vec![(&f1, "my_file.jpg"), (&f2, "my_file2.jpg")]; /// /// let _ = channel_id.send_files(&http, files, |m| { /// m.content("a file") /// }); /// ``` /// /// # Errors /// /// If the content of the message is over the above limit, then a /// [`ClientError::MessageTooLong`] will be returned, containing the number /// of unicode code points over the limit. /// /// Returns an /// [`HttpError::InvalidRequest(PayloadTooLarge)`][`HttpError::InvalidRequest`] /// if the file is too large to send. /// /// [`ClientError::MessageTooLong`]: ../../client/enum.ClientError.html#variant.MessageTooLong /// [`HttpError::InvalidRequest`]: ../../http/enum.HttpError.html#variant.InvalidRequest /// [`CreateMessage::content`]: ../../builder/struct.CreateMessage.html#method.content /// [`GuildChannel`]: struct.GuildChannel.html /// [Attach Files]: ../permissions/struct.Permissions.html#associatedconstant.ATTACH_FILES /// [Send Messages]: ../permissions/struct.Permissions.html#associatedconstant.SEND_MESSAGES #[cfg(all(feature = "utils", feature = "http"))] pub fn send_files<'a, F, T, It>(self, http: impl AsRef<Http>, files: It, f: F) -> Result<Message> where for <'b> F: FnOnce(&'b mut CreateMessage<'a>) -> &'b mut CreateMessage<'a>, T: Into<AttachmentType<'a>>, It: IntoIterator<Item=T> { let mut create_message = CreateMessage::default(); let msg = f(&mut create_message); if let Some(content) = msg.0.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))); } } } if let Some(e) = msg.0.remove(&"embed") { msg.0.insert("payload_json", json!({ "embed": e })); } let map = utils::hashmap_to_json_map(msg.0.clone()); http.as_ref().send_files(self.0, files, 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`]: ../channel/enum.Channel.html /// [`ModelError::MessageTooLong`]: ../error/enum.Error.html#variant.MessageTooLong /// [`CreateMessage`]: ../../builder/struct.CreateMessage.html /// [Send Messages]: ../permissions/struct.Permissions.html#associatedconstant.SEND_MESSAGES #[cfg(all(feature = "utils", feature = "http"))] pub fn send_message<'a, F>(self, http: impl AsRef<Http>, f: F) -> Result<Message> where for <'b> F: FnOnce(&'b mut CreateMessage<'a>) -> &'b mut CreateMessage<'a> { let mut create_message = CreateMessage::default(); let msg = f(&mut create_message); if !msg.2.is_empty() { if let Some(e) = msg.0.remove(&"embed") { msg.0.insert("payload_json", json!({ "embed": e })); } } let map = utils::hashmap_to_json_map(msg.0.clone()); Message::check_content_length(&map)?; Message::check_embed_length(&map)?; let message = if msg.2.is_empty() { http.as_ref().send_message(self.0, &Value::Object(map))? } else { http.as_ref().send_files(self.0, msg.2.clone(), map)? }; if let Some(reactions) = msg.1.clone() { for reaction in reactions { self.create_reaction(&http, message.id, reaction)?; } } Ok(message) } /// Unpins a [`Message`] in the channel given by its Id. /// /// Requires the [Manage Messages] permission. /// /// [`Message`]: ../channel/struct.Message.html /// [Manage Messages]: ../permissions/struct.Permissions.html#associatedconstant.MANAGE_MESSAGES #[cfg(feature = "http")] #[inline] pub fn unpin<M: Into<MessageId>>(self, http: impl AsRef<Http>, message_id: M) -> Result<()> { self._unpin(&http, message_id.into()) } #[cfg(feature = "http")] fn _unpin(self, http: impl AsRef<Http>, message_id: MessageId) -> Result<()> { http.as_ref().unpin_message(self.0, message_id.0) } /// Retrieves the channel's webhooks. /// /// **Note**: Requires the [Manage Webhooks] permission. /// /// [Manage Webhooks]: ../permissions/struct.Permissions.html#associatedconstant.MANAGE_WEBHOOKS #[cfg(feature = "http")] #[inline] pub fn webhooks(self, http: impl AsRef<Http>) -> Result<Vec<Webhook>> {http.as_ref().get_channel_webhooks(self.0) } } impl From<Channel> for ChannelId { /// Gets the Id of a `Channel`. fn from(channel: Channel) -> ChannelId { match channel { Channel::Group(group) => group.with(|g| g.channel_id), Channel::Guild(ch) => ch.with(|c| c.id), Channel::Private(ch) => ch.with(|c| c.id), Channel::Category(ch) => ch.with(|c| c.id), Channel::__Nonexhaustive => unreachable!(), } } } 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.with(|g| g.channel_id), Channel::Guild(ref ch) => ch.with(|c| c.id), Channel::Private(ref ch) => ch.with(|c| c.id), Channel::Category(ref ch) => ch.with(|c| c.id), Channel::__Nonexhaustive => unreachable!(), } } } 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 } }