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|
mod config;
use serenity::framework::StandardFramework;
use serenity::Client;
fn configure(conf: &mut serenity::framework::standard::Configuration) {
conf.prefix(config::GLOBAL_COMMAND_PREFIX)
.with_whitespace((true, true, true))
.case_insensitivity(true);
}
struct Handler;
#[derive(Debug, Clone)]
pub enum BotError {
MissingGuild,
}
impl std::fmt::Display for BotError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match self {
Self::MissingGuild => write!(f, "this command is only usable in a guild"),
}
}
}
impl std::error::Error for BotError {}
mod commands {
use crate::config;
use serenity::client::Context;
use serenity::framework::standard::{macros::*, CommandError, CommandResult};
use serenity::model::{
channel::{ChannelType, GuildChannel, Message},
guild::Guild,
id::ChannelId,
};
#[group]
#[description = "Commands for the cupido bot"]
#[commands(help, create)]
struct Group;
struct ChannelDescriptor<'n, 'd> {
name: &'n str,
description: &'d str,
kind: ChannelType,
parent: Option<ChannelId>,
}
async fn get_guild(ctx: &Context, msg: &Message) -> Result<Guild, CommandError> {
msg.guild(&ctx.cache)
.await
.ok_or_else(|| Box::new(super::BotError::MissingGuild).into())
}
async fn create_channel_no_cache<'n, 'd>(
ctx: &Context,
guild: &Guild,
desc: ChannelDescriptor<'n, 'd>,
) -> Result<GuildChannel, CommandError> {
Ok(guild
.create_channel(ctx, |c| {
let c = c.name(desc.name).topic(desc.description).kind(desc.kind);
if let Some(parent) = desc.parent {
c.category(parent)
} else {
c
}
})
.await?)
}
async fn create_channel<'n, 'd>(
ctx: &Context,
guild: &Guild,
desc: ChannelDescriptor<'n, 'd>,
) -> Result<GuildChannel, CommandError> {
let channel = guild.channel_id_from_name(&ctx.cache, desc.name).await;
let optional_channel = match channel {
Some(channel) => ctx.cache.guild_channel(channel).await,
None => None,
};
match optional_channel {
Some(channel) => Ok(channel),
None => create_channel_no_cache(ctx, guild, desc).await,
}
}
#[command]
#[aliases("hepl", "?", "h")]
async fn help(ctx: &Context, msg: &Message) -> CommandResult {
msg.reply(ctx, crate::config::HELP_TEXT).await?;
Ok(())
}
#[command]
#[aliases("craete", "+", "c", "init")]
async fn create(ctx: &Context, msg: &Message) -> CommandResult {
let guild = get_guild(ctx, msg).await?;
let meta_channel = create_channel(
ctx,
&guild,
ChannelDescriptor {
name: config::META_CHANNEL_NAME,
description: config::META_CHANNEL_DESCRIPTION,
kind: ChannelType::Category,
parent: None,
},
)
.await?;
Ok(())
}
}
impl serenity::client::EventHandler for Handler {}
#[tokio::main]
async fn main() {
println!("crate framework");
let framework = StandardFramework::new()
.configure(|c| {
configure(c);
c
})
.group(&commands::GROUP_GROUP);
let token = std::env::var(config::TOKEN_ENV).expect("missing token");
println!("crate a new client with token: \"{}\"", token);
let mut client = Client::new(token)
.framework(framework)
.event_handler(Handler)
.await
.expect("Error creating client");
println!("starting the client");
client.start().await.expect("client error");
}
|
