initial commit

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chapeau 2022-05-05 14:31:00 +00:00
commit 947be538a7
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use super::utils;
use rand::prelude::*;
#[derive(Hash, Eq, PartialEq, Clone)]
pub enum Command {
Ping,
Marco,
Dice,
Cookie
}
pub static COMMAND_LIST: [Command; 4] = [
Command::Ping,
Command::Marco,
Command::Dice,
Command::Cookie
];
pub fn get_command_attrs<'a>(cmd: &Command) -> utils::CommandAttrs<'a> {
match cmd {
Command::Ping => {
utils::CommandAttrs {
name: "ping",
description: "ping",
handler: ping as fn(&utils::Context, Message)
}
},
Command::Marco => {
utils::CommandAttrs {
name: "marco",
description: "marco?",
handler: marco as fn(&utils::Context, Message)
}
},
Command::Dice => {
utils::CommandAttrs {
name: "dice",
description: "Roll a dice!",
handler: dice as fn(&utils::Context, Message)
}
}
Command::Cookie => {
utils::CommandAttrs {
name: "cookie",
description: "Get a cookie!",
handler: cookie as fn(&utils::Context, Message)
}
}
}
}
fn ping(ctx: &utils::Context, message: Message) {
utils::send_message(ctx, message.chat.id, "pong!", Some(message.message_id));
}
fn marco(ctx: &utils::Context, message: Message) {
utils::send_message(ctx, message.chat.id, "Polo!", Some(message.message_id));
}
fn dice(ctx: &utils::Context, message: Message) {
let mut rng = thread_rng();
let mut payload = 6;
for e in message.entities.unwrap() {
if e.type_field == MessageEntityType::BotCommand {
payload = (message.text.as_ref().unwrap())[usize::from(e.offset+e.length)..].trim().parse().unwrap_or(6);
break
}
}
let number: i16 = rng.gen_range(1..payload + 1);
utils::send_message(ctx, message.chat.id, &format!("Roll a d{}! You got a {}", payload, number), Some(message.message_id));
}
fn cookie(ctx: &utils::Context, message: Message) {
utils::send_message(ctx, message.chat.id, "Here, take a cookie 🍪", Some(message.message_id));
}

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use frankenstein::{
Api,
TelegramApi,
GetUpdatesParams,
};
mod commands;
mod utils;
static TOKEN: &str = "";
fn main() {
let api: Api = Api::new(TOKEN);
match api.get_me() {
Ok(response) => {
let user = response.result;
let username = user.username.expect("The bot must have a username.");
let ctx = utils::Context {
api: api,
username: username,
user_id: user.id
};
println!(
"Hello, I'm @{}, https://t.me/{}",
user.first_name,
ctx.username
);
utils::init_command_list(&ctx);
let update_params_builder = GetUpdatesParams::builder().allowed_updates(vec!["message".to_string()]);
let mut update_params = update_params_builder.clone().build();
loop {
let result = ctx.api.get_updates(&update_params);
println!("result: {:?}", result);
match result {
Ok (response) => {
for update in response.result {
if let Some(message) = update.message {
utils::exec_command(&ctx, message);
}
update_params = update_params_builder.clone().offset(update.update_id + 1).build();
}
}
Err(error) => {
println!("Failed to get updates: {:?}", error);
}
}
}
}
Err(error) => {
eprintln!("Failed to get me: {:?}", error);
}
}
}

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use frankenstein::{
Api,
TelegramApi,
SendMessageParams,
SetMyCommandsParams,
BotCommand,
MessageEntityType,
Message
};
use super::commands;
pub struct Context {
pub api: Api,
pub username: String,
pub user_id: u64
}
pub struct CommandAttrs<'a> {
pub name: &'a str,
pub description: &'a str,
pub handler: fn(&Context, Message)
}
pub fn send_message(ctx: &Context, chat_id: i64, text: &str, message_id_to_repy: Option<i32>) {
let send_message_params: SendMessageParams;
if let Some(id) = message_id_to_repy {
send_message_params = SendMessageParams::builder()
.chat_id(chat_id)
.text(text)
.reply_to_message_id(id)
.build();
} else {
send_message_params = SendMessageParams::builder()
.chat_id(chat_id)
.text(text)
.build();
}
if let Err(err) = ctx.api.send_message(&send_message_params) {
println!("Failed to send message: {:?}", err);
}
}
pub fn init_command_list(ctx: &Context) {
let mut commands = vec![];
for cmd in &commands::COMMAND_LIST {
commands.push(BotCommand::builder()
.command(commands::get_command_attrs(&cmd).name)
.description(commands::get_command_attrs(&cmd).description)
.build())
}
let update_commands = SetMyCommandsParams::builder()
.commands(commands)
.build();
ctx.api.set_my_commands(&update_commands).unwrap();
}
pub fn exec_command(ctx: &Context, message: Message) {
let mut cmd: Option<commands::Command> = None;
match &message.reply_to_message {
Some (r_message) => {
if r_message.from.as_ref().unwrap().id == ctx.user_id {
cmd = Some(commands::Command::Ping);
} else {
cmd = None;
}
}
None => {
if let Some(entitites) = &message.entities {
let text = message.text.as_ref().unwrap();
for e in entitites {
if e.type_field == MessageEntityType::BotCommand {
let command = &(text)[usize::from(e.offset)..usize::from(e.offset+e.length)];
for c in &commands::COMMAND_LIST {
if "/".to_string() + commands::get_command_attrs(c).name == command.split("@").collect::<Vec<&str>>()[0] {
cmd = Some(c.clone());
break
}
}
if cmd == None {
eprintln!("Unknown command: {:?}", e);
}
}
break;
}
}
}
};
if let Some(c) = cmd {
(commands::get_command_attrs(&c).handler)(ctx, message);
}
}