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use chrono::{DateTime, FixedOffset}; use model::prelude::*; use std::fmt::{ Display, Formatter, Result as FmtResult }; use super::deserialize_single_recipient; #[cfg(feature = "model")] use builder::{ CreateMessage, EditMessage, GetMessages }; #[cfg(feature = "model")] use http::AttachmentType; #[cfg(feature = "model")] use internal::RwLockExt; /// A Direct Message text channel with another user. #[derive(Clone, Debug, Deserialize, Serialize)] pub struct PrivateChannel { /// The unique Id of the private channel. /// /// Can be used to calculate the first message's creation date. pub id: ChannelId, /// The Id of the last message sent. pub last_message_id: Option<MessageId>, /// Timestamp of the last time a [`Message`] was pinned. /// /// [`Message`]: struct.Message.html pub last_pin_timestamp: Option<DateTime<FixedOffset>>, /// Indicator of the type of channel this is. /// /// This should always be [`ChannelType::Private`]. /// /// [`ChannelType::Private`]: enum.ChannelType.html#variant.Private #[serde(rename = "type")] pub kind: ChannelType, /// The recipient to the private channel. #[serde(deserialize_with = "deserialize_single_recipient", rename = "recipients", serialize_with = "serialize_sync_user")] pub recipient: Arc<RwLock<User>>, } #[cfg(feature = "model")] impl PrivateChannel { /// Broadcasts that the current user is typing to the recipient. pub fn broadcast_typing(&self) -> Result<()> { self.id.broadcast_typing() } /// 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 pub fn create_reaction<M, R>(&self, message_id: M, reaction_type: R) -> Result<()> where M: Into<MessageId>, R: Into<ReactionType> { self.id.create_reaction(message_id, reaction_type) } /// Deletes the channel. This does not delete the contents of the channel, /// and is equivalent to closing a private channel on the client, which can /// be re-opened. #[inline] pub fn delete(&self) -> Result<Channel> { self.id.delete() } /// Deletes all messages by Ids from the given vector in the channel. /// /// Refer to [`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`]: enum.Channel.html#method.delete_messages /// [`ModelError::BulkDeleteAmount`]: ../enum.ModelError.html#variant.BulkDeleteAmount /// [Manage Messages]: permissions/constant.MANAGE_MESSAGES.html #[inline] pub fn delete_messages<T: AsRef<MessageId>, It: IntoIterator<Item=T>>(&self, message_ids: It) -> Result<()> { self.id.delete_messages(message_ids) } /// 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 #[inline] pub fn delete_permission(&self, permission_type: PermissionOverwriteType) -> Result<()> { self.id.delete_permission(permission_type) } /// 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 #[inline] 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> { self.id.delete_reaction(message_id, user_id, reaction_type) } /// 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`]: enum.ModelError.html#variant.MessageTooLong /// [`EditMessage`]: ../builder/struct.EditMessage.html /// [`Message`]: struct.Message.html /// [`the limit`]: ../builder/struct.EditMessage.html#method.content #[inline] pub fn edit_message<F, M>(&self, message_id: M, f: F) -> Result<Message> where F: FnOnce(EditMessage) -> EditMessage, M: Into<MessageId> { self.id.edit_message(message_id, f) } /// Determines if the channel is NSFW. /// /// Refer to [`utils::is_nsfw`] for more details. /// /// **Note**: This method is for consistency. This will always return /// `false`, due to DMs not being considered NSFW. /// /// [`utils::is_nsfw`]: ../../utils/fn.is_nsfw.html #[inline] pub fn is_nsfw(&self) -> bool { false } /// 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> { self.id.message(message_id) } /// Gets messages from the channel. /// /// Refer to [`Channel::messages`] for more information. /// /// Requires the [Read Message History] permission. /// /// [`Channel::messages`]: enum.Channel.html#method.messages /// [Read Message History]: permissions/constant.READ_MESSAGE_HISTORY.html #[inline] pub fn messages<F>(&self, f: F) -> Result<Vec<Message>> where F: FnOnce(GetMessages) -> GetMessages { self.id.messages(f) } /// Returns "DM with $username#discriminator". pub fn name(&self) -> String { format!("DM with {}", self.recipient.with(|r| r.tag())) } /// 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`]: enum.Channel.html#method.reaction_users /// [`Emoji`]: struct.Emoji.html /// [`Message`]: struct.Message.html /// [`User`]: struct.User.html /// [Read Message History]: permissions/constant.READ_MESSAGE_HISTORY.html #[inline] pub fn reaction_users<M, R, U>(&self, 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.id.reaction_users(message_id, reaction_type, limit, after) } /// Pins a [`Message`] to the channel. /// /// [`Message`]: struct.Message.html #[inline] pub fn pin<M: Into<MessageId>>(&self, message_id: M) -> Result<()> { self.id.pin(message_id) } /// Retrieves the list of messages that have been pinned in the private /// channel. #[inline] pub fn pins(&self) -> Result<Vec<Message>> { self.id.pins() } /// 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`]: ../model/id/struct.ChannelId.html /// [`ModelError::MessageTooLong`]: enum.ModelError.html#variant.MessageTooLong #[inline] pub fn say<D: ::std::fmt::Display>(&self, content: D) -> Result<Message> { self.id.say(content) } /// Sends (a) file(s) along with optional message contents. /// /// Refer to [`ChannelId::send_files`] for examples and more information. /// /// The [Attach Files] and [Send Messages] permissions are required. /// /// **Note**: Message contents must be under 2000 unicode code points. /// /// # 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. /// /// [`ChannelId::send_files`]: struct.ChannelId.html#method.send_files /// [`ClientError::MessageTooLong`]: ../client/enum.ClientError.html#variant.MessageTooLong /// [Attach Files]: permissions/constant.ATTACH_FILES.html /// [Send Messages]: permissions/constant.SEND_MESSAGES.html #[inline] pub fn send_files<'a, F, T, It: IntoIterator<Item=T>>(&self, files: It, f: F) -> Result<Message> where F: FnOnce(CreateMessage) -> CreateMessage, T: Into<AttachmentType<'a>> { self.id.send_files(files, f) } /// Sends a message to the channel with the given content. /// /// Refer to the documentation for [`CreateMessage`] for more information /// regarding message restrictions and requirements. /// /// # 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. /// /// [`ModelError::MessageTooLong`]: enum.ModelError.html#variant.MessageTooLong /// [`CreateMessage`]: ../builder/struct.CreateMessage.html /// [`Message`]: struct.Message.html #[inline] pub fn send_message<F: FnOnce(CreateMessage) -> CreateMessage>(&self, f: F) -> Result<Message> { self.id.send_message(f) } /// 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<()> { self.id.unpin(message_id) } } impl Display for PrivateChannel { /// Formats the private channel, displaying the recipient's username. fn fmt(&self, f: &mut Formatter) -> FmtResult { f.write_str(&self.recipient.read().name) } }