use bitflags::bitflags;
bitflags! {
/// A set of bitflags which can be used to specify what resource to process
/// into the cache.
///
/// For example, specifying [`CHANNEL`] but not [`MESSAGE`] will cache
/// created channels, channel updates, and channel deletes, but not their
/// messages.
pub struct ResourceType: u64 {
/// Information relating to channels.
const CHANNEL = 1;
/// Information relating to emojis.
const EMOJI = 1 << 1;
/// Information relating to guilds.
const GUILD = 1 << 2;
/// Information relating to members.
const MEMBER = 1 << 3;
/// Information relating to messages.
const MESSAGE = 1 << 4;
/// Information relating to presences.
const PRESENCE = 1 << 5;
/// Information relating to reactions.
const REACTION = 1 << 6;
/// Information relating to roles.
const ROLE = 1 << 7;
/// Information relating the current user.
const USER_CURRENT = 1 << 8;
/// Information relating to users.
const USER = 1 << 9;
/// Information relating to voice states.
const VOICE_STATE = 1 << 10;
/// Information relating to stage instances.
const STAGE_INSTANCE = 1 << 11;
/// Information relating to guild integrations.
const INTEGRATION = 1 << 12;
/// Information relating to guild stickers.
const STICKER = 1 << 13;
}
}
/// Configuration for an [`InMemoryCache`].
///
/// [`InMemoryCache`]: crate::InMemoryCache
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Config {
pub(super) resource_types: ResourceType,
pub(super) message_cache_size: usize,
}
impl Config {
/// Create a new default configuration.
///
/// Refer to individual getters for their defaults.
pub const fn new() -> Self {
Self {
resource_types: ResourceType::all(),
message_cache_size: 100,
}
}
/// Returns an immutable reference to the message cache size.
///
/// Defaults to 100.
pub const fn message_cache_size(&self) -> usize {
self.message_cache_size
}
/// Returns a mutable reference to the message cache size.
pub fn message_cache_size_mut(&mut self) -> &mut usize {
&mut self.message_cache_size
}
/// Returns an immutable reference to the resource types enabled.
///
/// Defaults to all resource types.
pub const fn resource_types(&self) -> ResourceType {
self.resource_types
}
/// Returns a mutable reference to the resource types enabled.
pub fn resource_types_mut(&mut self) -> &mut ResourceType {
&mut self.resource_types
}
}
impl Default for Config {
fn default() -> Self {
Self::new()
}
}
#[cfg(test)]
mod tests {
use super::{Config, ResourceType};
use static_assertions::assert_fields;
assert_fields!(Config: resource_types, message_cache_size);
#[test]
fn defaults() {
let conf = Config {
resource_types: ResourceType::all(),
message_cache_size: 100,
};
let default = Config::default();
assert_eq!(conf.resource_types, default.resource_types);
assert_eq!(conf.message_cache_size, default.message_cache_size);
}
}