Oliver/discord-bot-template
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cleaning code

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This commit is contained in:
Oliver Atkinson 2023-11-02 23:15:56 -06:00
parent 5593c56831
commit 71589c3f5d
3 changed files with 86 additions and 40 deletions
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2
.gitignore vendored
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@ -1 +1,3 @@
/target
/.vscode
.env

8
src/command.rs
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@ -1,14 +1,12 @@
use std::hint::black_box;
use anyhow::Error;
use crate::Context;
#[poise::command(slash_command, rename = "discord's command name", guild_only)]
// NOTE!!! Make sure these names in quotes are lowercase!
#[poise::command(slash_command, rename = "cmd_name", guild_only)]
pub async fn example(
ctx: Context<'_>,
#[description = "input description shown in discord"]
#[description = "cmd_desc"]
input: String
) -> Result<(), Error> {
// Do something...

114
src/main.rs
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@ -5,33 +5,12 @@ mod command;
pub struct Data {} // User data, which is stored and accessible in all command invocations
type Context<'a> = poise::Context<'a, Data, anyhow::Error>;
const DISCORD_INTENTS: &'static str = "DISCORD_INTENTS";
const DISCORD_TOKEN: &'static str = "DISCORD_TOKEN";
const DISCORD_ID: &'static str = "DISCORD_ID";
#[tokio::main]
async fn main() {
// ======================================== READ ENV ========================================
dotenv::dotenv().ok();
let id: String = std::env::var(DISCORD_ID).expect(&format!("ERROR: Missing {DISCORD_ID}"));
let token: String = std::env::var(DISCORD_TOKEN).expect(&format!("ERROR: Missing {DISCORD_TOKEN}"));
let perm_env: String = std::env::var(DISCORD_INTENTS)
.unwrap_or_else(|msg| {
println!("DEBUG: what is: {msg}");
println!("ERROR: Missing {DISCORD_INTENTS}");
"0".to_string()
});
// parse into u64, then into GatewayIntents
let perm_u64 = perm_env.parse::<u64>().unwrap_or(0u64);
let intents: GatewayIntents = GatewayIntents::from_bits(perm_u64).unwrap_or(GatewayIntents::empty());
// Re-build into string, just incase it has changed
let perm_string = intents.bits().to_string();
// ======================================== ENV DONE ========================================
let env = read_env();
// Generate sick text like this:
// http://www.patorjk.com/software/taag/#p=testall&f=Graffiti&t=hello%20world
println!(r#"
/$$$$$$$$ /$$ /$$ /$$$$$$$ /$$
|__ $$__/ | $$ | $$ | $$__ $$ | $$
| $$ /$$$$$$ /$$$$$$/$$$$ /$$$$$$ | $$ /$$$$$$ /$$$$$$ /$$$$$$ | $$ \ $$ /$$$$$$ /$$$$$$
@ -47,15 +26,11 @@ async fn main() {
Template Bot.
Invite this bot with:
https://discord.com/api/oauth2/authorize?client_id={id}&permissions={perm_string}&scope=bot
"#);
// Use bitlogic "OR" to combine different intents.
let intents =
intents |
GatewayIntents::non_privileged();
println!("https://discord.com/api/oauth2/authorize?client_id={}&permissions={}&scope=bot",
env.id,
env.intents.bits(),
);
let framework = poise::Framework::builder()
.options(poise::FrameworkOptions {
@ -66,16 +41,87 @@ async fn main() {
})
// un-comment songbird from Cargo.toml first.
//.client_settings(songbird::register)
.token(token)
.intents(intents)
.token(env.token)
.intents(env.intents)
.setup(|ctx, _ready, framework| {
Box::pin(async move {
poise::builtins::register_globally(ctx, &framework.options().commands).await?;
Ok(Data {})
})
});
// Start the Bot.
// Collect all the errors into one variable, that way we can match it
// all at once.
let err: Result<(), serenity::Error> = match framework.build().await {
Ok(ok) => {
match ok.start().await {
Ok(_start) => Ok(()),
Err(err) => Err(err),
}
},
Err(err) => Err(err),
};
framework.build().await.unwrap().start().await.unwrap();
if let Err(error) = err {
match error {
serenity::Error::Gateway(e)=>{
match e {
serenity::GatewayError::InvalidAuthentication => println!("ERROR: Authentication Invalid, check your bot token."),
err_no_var=>println!("ERROR: {}",err_no_var.to_string()),
}
},
serenity::Error::Decode(_, _) => println!("ERROR: Decode"),
serenity::Error::Format(_) => println!("ERROR: Format"),
serenity::Error::Io(_) => println!("ERROR: IO"),
serenity::Error::Json(_) => println!("ERROR: Json"),
serenity::Error::Model(_) => println!("ERROR: Model"),
serenity::Error::ExceededLimit(_, _) => println!("ERROR: ExceededLimit"),
serenity::Error::NotInRange(_, _, _, _) => println!("ERROR: NotInRange"),
serenity::Error::Other(_) => println!("ERROR: Other"),
serenity::Error::Url(_) => println!("ERROR: Url"),
serenity::Error::Client(_) => println!("ERROR: Client"),
serenity::Error::Collector(_) => println!("ERROR: Collector"),
serenity::Error::Http(_) => println!("ERROR: Http"),
serenity::Error::Tungstenite(_) => println!("ERROR: Tungstenite"),
_ => todo!(),
}
}
}
struct BotEnv {
intents: GatewayIntents,
token: String,
id: String,
}
fn read_env() -> BotEnv {
const DISCORD_INTENTS: &str = "DISCORD_INTENTS";
const DISCORD_TOKEN: &str = "DISCORD_TOKEN";
const DISCORD_ID: &str = "DISCORD_ID";
dotenv::dotenv().ok();
// ==================== ID ===========================
let id: String = std::env::var(DISCORD_ID)
.expect(&format!("WARN: Missing {DISCORD_ID}\n> This isn't really that problematic, just that the generated invite link won't work."));
// ==================== Token ========================
let token: String = std::env::var(DISCORD_TOKEN)
.expect(&format!("ERROR: Missing {DISCORD_TOKEN}"));
// ==================== Intents ======================
let intents_env: String = std::env::var(DISCORD_INTENTS)
.unwrap_or_else(|msg| {
println!("DEBUG: what is: {msg}");
println!("ERROR: Missing {DISCORD_INTENTS}");
"0".to_string()
});
// ==================== Parse Intents =================
// parse into u64, then into GatewayIntents
let intents_u64 = intents_env.parse::<u64>().unwrap_or(0u64);
let intents_truncated: GatewayIntents = GatewayIntents::from_bits_truncate(intents_u64);
if intents_truncated.bits() != intents_u64 {
println!("WARN: Intents integer got truncated from {} to {}!", intents_u64, intents_truncated.bits())
};
BotEnv {
intents: intents_truncated,
token,
id,
}
}