xpd-common 0.0.6

Common structures for the experienced discord bot
Documentation 
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#![deny(clippy::all, clippy::pedantic, clippy::nursery, clippy::cargo)]

use twilight_model::{
    id::{
        marker::{GuildMarker, UserMarker},
        Id,
    },
    util::ImageHash,
};

#[derive(serde::Serialize, serde::Deserialize)]
pub struct RedisUser {
    pub id: Id<UserMarker>,
    pub username: Option<String>,
    pub discriminator: Option<u16>,
    pub avatar_hash: Option<ImageHash>,
    pub banner_hash: Option<ImageHash>,
}

#[derive(serde::Serialize, serde::Deserialize)]
pub struct RedisGuild {
    pub id: Id<GuildMarker>,
    pub name: String,
    pub banner_hash: Option<ImageHash>,
    pub icon_hash: Option<ImageHash>,
}

pub trait Tag {
    #[must_use]
    fn tag(&self) -> String;
}

impl Tag for twilight_model::user::User {
    fn tag(&self) -> String {
        if self.discriminator == 0 {
            self.name.clone()
        } else {
            format!("{}#{}", self.name, self.discriminator())
        }
    }
}

impl Tag for RedisUser {
    fn tag(&self) -> String {
        let Some(discriminator) = self.discriminator else {
            return self.id.to_string();
        };
        let Some(name) = &self.username else {
            return self.id.to_string();
        };
        name_discrim_to_tag(name, discriminator)
    }
}

fn name_discrim_to_tag(name: &str, discriminator: u16) -> String {
    if discriminator == 0 {
        name.to_string()
    } else {
        format!(
            "{}#{}",
            name,
            twilight_model::user::DiscriminatorDisplay::new(discriminator)
        )
    }
}

/// A simple function that waits until we are told to stop.
/// # Panics
/// If the system fails to set up a unix signal handler
#[cfg(target_family = "unix")]
#[allow(clippy::redundant_pub_crate)]
pub async fn wait_for_shutdown() {
    let mut term_handler =
        tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate()).unwrap();
    tokio::select! {
        _ = tokio::signal::ctrl_c() => {},
        _ = term_handler.recv() => {}
    }
}

/// A simple function that waits until we are told to stop.
#[cfg(not(target_family = "unix"))]
#[allow(clippy::redundant_pub_crate)]
pub async fn wait_for_shutdown() {
    tokio::signal::ctrl_c().await.ok();
}