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use crate::internal::prelude::*;
use crate::model::prelude::*;
use serde_json::{json, Value};
use std::collections::HashMap;
/// A builder for creating a new [`GuildChannel`] in a [`Guild`].
///
/// Except [`name`], all fields are optional.
///
/// [`GuildChannel`]: ../model/channel/struct.GuildChannel.html
/// [`Guild`]: ../model/guild/struct.Guild.html
/// [`name`]: #method.name
#[derive(Debug, Clone)]
pub struct CreateChannel(pub HashMap<&'static str, Value>);
impl CreateChannel {
/// Specify how to call this new channel.
///
/// **Note**: Must be between 2 and 100 characters long.
pub fn name<D: ToString>(&mut self, name: D) -> &mut Self {
self.0.insert("name", Value::String(name.to_string()));
self
}
/// Specify what type the channel is, whether it's a text, voice, category or news channel.
pub fn kind(&mut self, kind: ChannelType) -> &mut Self {
self.0.insert("type", Value::Number(Number::from(kind as u8)));
self
}
/// Specifiy the category, the "parent" of this channel.
pub fn category<I: Into<ChannelId>>(&mut self, id: I) -> &mut Self {
self.0.insert("parent_id", Value::Number(Number::from(id.into().0)));
self
}
/// Set an interesting topic.
///
/// **Note**: Must be between 0 and 1000 characters long.
pub fn topic<D: ToString>(&mut self, topic: D) -> &mut Self {
self.0.insert("topic", Value::String(topic.to_string()));
self
}
/// Specify if this channel will be inappropriate to browse while at work.
pub fn nsfw(&mut self, b: bool) -> &mut Self {
self.0.insert("nsfw", Value::Bool(b));
self
}
/// [Voice-only] Specify the bitrate at which sound plays in the voice channel.
pub fn bitrate(&mut self, rate: u32) -> &mut Self {
self.0.insert("bitrate", Value::Number(Number::from(rate)));
self
}
/// [Voice-only] Set how many users may occupy this voice channel.
pub fn user_limit(&mut self, limit: u32) -> &mut Self {
self.0.insert("user_limit", Value::Number(Number::from(limit)));
self
}
/// How many seconds must a user wait before sending another message.
///
/// Bots, or users with the `MANAGE_MESSAGES` and/or`MANAGE_CHANNEL` permissions are exempt
/// from this restriction.
///
/// **Note**: Must be between 0 and 21600 seconds (360 minutes or 6 hours).
pub fn rate_limit(&mut self, limit: u64) -> &mut Self {
self.0.insert("rate_limit_per_user", Value::Number(Number::from(limit)));
self
}
/// Specify where the channel should be located.
pub fn position(&mut self, pos: u32) -> &mut Self {
self.0.insert("position", Value::Number(Number::from(pos)));
self
}
/// A set of overwrites defining what a user or a user carrying a certain role can
/// and cannot do.
///
/// # Example
///
/// Inheriting permissions from an exisiting channel:
///
/// ```rust,no_run
/// # use serenity::{http::Http, model::id::GuildId};
/// # use std::sync::Arc;
/// #
/// # async fn run() -> Result<(), Box<dyn std::error::Error>> {
/// # let http = Arc::new(Http::default());
/// # let mut guild = GuildId(0).to_partial_guild(&http).await?;
/// use serenity::model::channel::{PermissionOverwrite, PermissionOverwriteType};
/// use serenity::model::id::UserId;
/// use serenity::model::permissions::Permissions;
///
/// // Assuming a guild have already been bound.
/// let permissions = Some(PermissionOverwrite {
/// allow: Permissions::READ_MESSAGES,
/// deny: Permissions::SEND_TTS_MESSAGES,
/// kind: PermissionOverwriteType::Member(UserId(1234)),
/// });
///
/// guild.create_channel(http, |c| {
/// c.name("my_new_cool_channel")
/// .permissions(permissions)
/// })
/// .await?;
/// # Ok(())
/// # }
/// ```
pub fn permissions<I>(&mut self, perms: I) -> &mut Self
where I: IntoIterator<Item=PermissionOverwrite>
{
let overwrites = perms.into_iter().map(|perm| {
let (id, kind) = match perm.kind {
PermissionOverwriteType::Member(id) => (id.0, "member"),
PermissionOverwriteType::Role(id) => (id.0, "role"),
};
json!({
"allow": perm.allow.bits(),
"deny": perm.deny.bits(),
"id": id,
"type": kind,
})
}).collect();
self.0.insert("permission_overwrites", Value::Array(overwrites));
self
}
}
impl Default for CreateChannel {
/// Creates a builder with default values, setting `kind` to `ChannelType::Text`.
///
/// # Examples
///
/// Create a default `CreateChannel` builder:
///
/// ```rust
/// use serenity::builder::CreateChannel;
///
/// let channel_builder = CreateChannel::default();
/// ```
fn default() -> Self {
let mut builder = CreateChannel(HashMap::new());
builder.kind(ChannelType::Text);
builder
}
}