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feat: Proper error handling

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- Bump version to 0.8.0
- Added discord error struct
- All errors now implement std::error::Error
- Implemented error handler instead of relying on default
- Fixed bug where you could send answer on a completed quest
This commit is contained in:
Alexey 2025-12-12 16:52:31 +03:00
commit 99812c5d7c
14 changed files with 163 additions and 138 deletions
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6
Cargo.lock generated
View file

@ -1599,7 +1599,7 @@ dependencies = [
[[package]]
name = "squad-quest"
version = "0.7.0"
version = "0.8.0"
dependencies = [
"serde",
"toml",
@ -1607,7 +1607,7 @@ dependencies = [
[[package]]
name = "squad-quest-cli"
version = "0.7.0"
version = "0.8.0"
dependencies = [
"chrono",
"clap",
@ -1618,7 +1618,7 @@ dependencies = [
[[package]]
name = "squad-quest-discord"
version = "0.7.0"
version = "0.8.0"
dependencies = [
"clap",
"dotenvy",

2
Cargo.toml
View file

@ -2,7 +2,7 @@
members = ["cli", "discord"]
[workspace.package]
version = "0.7.0"
version = "0.8.0"
edition = "2024"
repository = "https://2ndbeam.ru/git/2ndbeam/squad-quest"
license = "MIT"

2
cli/Cargo.toml
View file

@ -9,5 +9,5 @@ license.workspace = true
chrono = "0.4.42"
clap = { version = "4.5.53", features = ["derive"] }
serde = { version = "1.0.228", features = ["derive"] }
squad-quest = { version = "0.7.0", path = ".." }
squad-quest = { version = "0.8.0", path = ".." }
toml = "0.9.8"

2
discord/Cargo.toml
View file

@ -10,6 +10,6 @@ clap = { version = "4.5.53", features = ["derive"] }
dotenvy = "0.15.7"
poise = "0.6.1"
serde = "1.0.228"
squad-quest = { version = "0.7.0", path = ".." }
squad-quest = { version = "0.8.0", path = ".." }
tokio = { version = "1.48.0", features = ["rt-multi-thread"] }
toml = "0.9.8"

20
discord/src/commands/answer.rs
View file

@ -21,11 +21,15 @@ pub async fn answer(
#[description = "Attachment answer to the quest"]
file3: Option<Attachment>,
) -> Result<(), Error> {
let mut account = fetch_or_init_account(&ctx.data().config, ctx.author().id.to_string());
if let Some(_) = account.quests_completed.iter().find(|qid| **qid == quest_id) {
return Err(Error::QuestIsCompleted(quest_id));
}
let quests = ctx.data().config.load_quests();
let Some(quest) = quests.iter().find(|q| q.id == quest_id) else {
let reply_string = format!("Quest #{quest_id} not found.");
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::QuestNotFound(quest_id));
};
let mut files: Vec<Attachment> = Vec::new();
@ -36,9 +40,7 @@ pub async fn answer(
}
if text.is_none() && files.len() == 0 {
let reply_string = "Please specify text or at least one attachment.".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::NoContent);
}
let text_ans = match text {
@ -90,7 +92,7 @@ pub async fn answer(
let reply_string = "Your answer has been posted.".to_string();
ctx.reply(reply_string).await?;
while let Some(press) = ComponentInteractionCollector::new(ctx)
if let Some(press) = ComponentInteractionCollector::new(ctx)
.filter(move |press| press.data.custom_id.starts_with(&ctx_id.to_string()))
.await
{
@ -108,7 +110,6 @@ pub async fn answer(
let content: String;
if is_approved {
let mut no_errors = true;
let mut account = fetch_or_init_account(&ctx.data().config, ctx.author().id.to_string());
if let Err(error) = quest.complete_for_account(&mut account) {
eprintln!("{error}");
no_errors = false;
@ -137,9 +138,6 @@ pub async fn answer(
};
let dm_builder = CreateMessage::new().content(content);
ctx.author().dm(ctx, dm_builder).await?;
return Ok(());
}
Ok(())

15
discord/src/commands/init.rs
View file

@ -3,7 +3,7 @@ use std::path::Path;
use poise::serenity_prelude::{ChannelId};
use squad_quest::SquadObject;
use crate::{commands::ERROR_MSG, Context, Error};
use crate::{Context, Error};
#[poise::command(
@ -19,8 +19,8 @@ pub async fn init(
#[description = "Channel to post answers to check"]
answers_channel: ChannelId,
) -> Result<(), Error> {
let reply_string = {
let dc = ctx.data().discord.clone();
let dc = ctx.data().discord.clone();
{
let mut guard = dc.lock().expect("shouldn't be locked");
let guild = ctx.guild_id().unwrap();
guard.quests_channel = quests_channel;
@ -28,14 +28,9 @@ pub async fn init(
guard.guild = guild;
let path = &ctx.data().config.full_impl_path().unwrap();
match guard.save(path.parent().unwrap_or(Path::new("")).to_owned()) {
Ok(_) => "Settings updated.".to_string(),
Err(error) => {
eprintln!("{error}");
ERROR_MSG.to_string()
},
}
guard.save(path.parent().unwrap_or(Path::new("")).to_owned())?
};
let reply_string = "Settings updated.".to_string();
ctx.reply(reply_string).await?;
Ok(())

29
discord/src/commands/mod.rs
View file

@ -1,6 +1,7 @@
//use poise::{CreateReply, serenity_prelude as serenity};
use std::error::Error as StdError;
use poise::CreateReply;
use crate::{Context, Error};
use crate::{Context, Data, Error};
pub mod quest;
pub mod init;
@ -8,10 +9,30 @@ pub mod answer;
pub mod social;
pub mod account;
pub const ERROR_MSG: &str = "Server error :(";
#[poise::command(prefix_command)]
pub async fn register(ctx: Context<'_>) -> Result<(), Error> {
poise::builtins::register_application_commands_buttons(ctx).await?;
Ok(())
}
pub async fn error_handler(error: poise::FrameworkError<'_, Data, Error>) {
eprintln!("ERROR:");
print_error_recursively(&error);
if let Some(ctx) = error.ctx() {
let response = match error {
poise::FrameworkError::Command { error, .. } => format!("Internal server error: {error}"),
_ => format!("Internal server error: {error}"),
};
if let Err(error) = ctx.send(CreateReply::default().content(response).ephemeral(true)).await {
eprintln!("Couldn't send error message: {error}");
}
}
}
fn print_error_recursively(error: &impl StdError) {
eprintln!("{error}");
if let Some(source) = error.source() {
eprintln!("source:");
print_error_recursively(&source);
}
}

75
discord/src/commands/quest.rs
View file

@ -3,12 +3,12 @@ use std::{future, path::Path, str::FromStr};
use poise::serenity_prelude::{CreateMessage, EditMessage, Message, futures::StreamExt};
use squad_quest::{SquadObject, quest::{Quest, QuestDifficulty}};
use toml::value::Date;
use crate::{Context, Error, commands::ERROR_MSG};
use crate::{Context, Error};
async fn find_quest_message(ctx: Context<'_>, id: u16) -> Option<Message>{
let _ = ctx.defer().await;
async fn find_quest_message(ctx: Context<'_>, id: u16) -> Result<Option<Message>, Error>{
ctx.defer().await?;
let dc = ctx.data().discord.clone();
let channel = {
let dc = ctx.data().discord.clone();
let guard = dc.lock().expect("shouldn't be locked");
guard.quests_channel
};
@ -21,7 +21,7 @@ async fn find_quest_message(ctx: Context<'_>, id: u16) -> Option<Message>{
future::ready(m.content.contains(&format!("#{id}")))
})
.collect::<Vec<_>>().await;
messages.first().cloned()
Ok(messages.first().cloned())
}
fn make_quest_message_content(quest: &Quest) -> String {
@ -163,13 +163,8 @@ pub async fn create(
let path = conf.full_quests_path();
let reply_string = match quest.save(path) {
Ok(_) => format!("Created quest #{}", quest.id),
Err(error) => {
eprintln!("{error}");
format!("{ERROR_MSG}")
},
};
quest.save(path)?;
let reply_string = format!("Created quest #{}", quest.id);
ctx.reply(reply_string).await?;
@ -207,9 +202,7 @@ pub async fn update(
let conf = &ctx.data().config;
let quests = conf.load_quests();
let Some(quest) = quests.iter().find(|q| q.id == id) else {
let reply_string = format!("Quest #{id} not found");
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::QuestNotFound(id));
};
let difficulty = match difficulty {
@ -248,8 +241,8 @@ pub async fn update(
let content = make_quest_message_content(&new_quest);
let builder = EditMessage::new().content(content);
let message = find_quest_message(ctx, id);
if let Some(mut message) = message.await {
let message = find_quest_message(ctx, id).await?;
if let Some(mut message) = message {
message.edit(ctx, builder).await?;
} else {
let reply_string = format!("Quest #{id} is public, but its message was not found in the quest channel",
@ -259,13 +252,8 @@ pub async fn update(
}
let path = conf.full_quests_path();
let reply_string = match new_quest.save(path) {
Err(error) => {
eprintln!("{error}");
ERROR_MSG.to_string()
},
Ok(_) => format!("Updated quest #{id}"),
};
new_quest.save(path)?;
let reply_string = format!("Updated quest #{id}");
ctx.reply(reply_string).await?;
Ok(())
@ -285,15 +273,11 @@ pub async fn publish(
let mut quests = ctx.data().config.load_quests();
let Some(quest) = quests.iter_mut().find(|q| q.id == id) else {
let reply_string = format!("Quest #{id} not found");
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::QuestNotFound(id));
};
if quest.public {
let reply_string = format!("Quest #{id} is already public");
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::QuestIsPublic(id));
}
quest.public = true;
@ -311,27 +295,15 @@ pub async fn publish(
let message = channel.send_message(ctx, builder).await?;
let result = {
{
let mut guard = dc.lock().expect("shouldn't be locked");
guard.quests_messages.push(message.id);
let path = ctx.data().config.full_impl_path().unwrap();
guard.save(path.parent().unwrap_or(Path::new("")).to_owned())
guard.save(path.parent().unwrap_or(Path::new("")).to_owned())?
};
if let Err(error) = result {
eprintln!("{error}");
let reply_string = ERROR_MSG.to_string();
ctx.reply(reply_string).await?;
return Ok(())
}
let quests_path = ctx.data().config.full_quests_path();
if let Err(error) = quest.save(quests_path) {
eprintln!("{error}");
let reply_string = ERROR_MSG.to_string();
ctx.reply(reply_string).await?;
return Ok(())
}
quest.save(quests_path)?;
let reply_string = format!("Published quest #{id}");
ctx.reply(reply_string).await?;
@ -349,18 +321,13 @@ pub async fn delete(
ctx: Context<'_>,
id: u16,
) -> Result<(), Error> {
if let Some(msg) = find_quest_message(ctx, id).await {
if let Some(msg) = find_quest_message(ctx, id).await? {
msg.delete(ctx).await?;
}
let mut path = ctx.data().config.full_quests_path();
path.push(format!("{id}.toml"));
if let Err(error) = Quest::delete(path) {
eprintln!("{error}");
let reply_string = ERROR_MSG.to_string();
ctx.reply(reply_string).await?;
return Ok(());
}
Quest::delete(path)?;
let mut accounts = ctx.data().config.load_accounts();
let accounts_path = ctx.data().config.full_accounts_path();
@ -368,9 +335,7 @@ pub async fn delete(
for account in accounts.iter_mut().filter(|a| a.quests_completed.contains(&id)) {
let index = account.quests_completed.iter().position(|qid| *qid == id).expect("We just filtered it");
account.quests_completed.remove(index);
if let Err(error) = account.save(accounts_path.clone()) {
eprintln!("{error}");
}
account.save(accounts_path.clone())?;
}
let reply_string = format!("Successfully deleted quest #{id}");

56
discord/src/commands/social.rs
View file

@ -28,21 +28,15 @@ pub async fn msg (
) -> Result<(), Error> {
if channel.is_none() && user.is_none() {
let reply_string = "Please specify channel **or** user".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::NoChannelOrUser);
}
if channel.is_some() && user.is_some() {
let reply_string = "Please specify **only** channel or **only** user, not both".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::BothChannelAndUser);
}
if content.is_none() && file.is_none() {
let reply_string = "Please specify content and/or file".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::NoContent);
}
let mut builder = CreateMessage::new();
@ -53,16 +47,8 @@ pub async fn msg (
if let Some(file) = file {
ctx.defer().await?;
let attachment = CreateAttachment::url(ctx, &file.url).await;
match attachment {
Ok(attachment) => { builder = builder.add_file(attachment); },
Err(error) => {
eprintln!("{error}");
let reply_string = "Couldn't copy attachment, aborting";
ctx.reply(reply_string).await?;
return Ok(());
},
}
let attachment = CreateAttachment::url(ctx, &file.url).await?;
builder = builder.add_file(attachment);
}
let reply_string = if let Some(channel) = channel {
@ -104,21 +90,15 @@ pub async fn edit (
file: Option<Attachment>,
) -> Result<(), Error> {
if channel.is_none() && user.is_none() {
let reply_string = "Please specify channel **or** user".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::NoChannelOrUser);
}
if channel.is_some() && user.is_some() {
let reply_string = "Please specify **only** channel or **only** user, not both".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::BothChannelAndUser);
}
if content.is_none() && file.is_none() {
let reply_string = "Please specify content and/or file".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::NoContent);
}
let mut builder = EditMessage::new();
@ -129,16 +109,8 @@ pub async fn edit (
if let Some(file) = file {
ctx.defer().await?;
let attachment = CreateAttachment::url(ctx, &file.url).await;
match attachment {
Ok(attachment) => { builder = builder.new_attachment(attachment); },
Err(error) => {
eprintln!("{error}");
let reply_string = "Couldn't copy attachment, aborting";
ctx.reply(reply_string).await?;
return Ok(());
},
}
let attachment = CreateAttachment::url(ctx, &file.url).await?;
builder = builder.new_attachment(attachment);
}
if let Some(channel) = channel {
@ -171,15 +143,11 @@ pub async fn undo(
) -> Result<(), Error> {
if channel.is_none() && user.is_none() {
let reply_string = "Please specify channel **or** user".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::NoChannelOrUser);
}
if channel.is_some() && user.is_some() {
let reply_string = "Please specify **only** channel or **only** user, not both".to_string();
ctx.reply(reply_string).await?;
return Ok(());
return Err(Error::BothChannelAndUser);
}
if let Some(channel) = channel {

2
discord/src/config.rs
View file

@ -4,7 +4,7 @@ use poise::serenity_prelude::{ChannelId, GuildId, MessageId};
use serde::{Serialize, Deserialize};
use squad_quest::{SquadObject, config::Config, error::Error};
#[derive(Serialize, Deserialize, Default, Clone)]
#[derive(Serialize, Deserialize, Default, Clone, Debug)]
pub struct DiscordConfig {
pub guild: GuildId,
pub quests_channel: ChannelId,

60
discord/src/error.rs Normal file
View file

@ -0,0 +1,60 @@
use std::fmt::Display;
use poise::serenity_prelude as serenity;
#[non_exhaustive]
#[derive(Debug)]
pub enum Error {
QuestNotFound(u16),
QuestIsPublic(u16),
QuestIsCompleted(u16),
NoContent,
NoChannelOrUser,
BothChannelAndUser,
SerenityError(serenity::Error),
SquadQuestError(squad_quest::error::Error),
}
impl From<serenity::Error> for Error {
fn from(value: serenity::Error) -> Self {
Self::SerenityError(value)
}
}
impl From<squad_quest::error::Error> for Error {
fn from(value: squad_quest::error::Error) -> Self {
Self::SquadQuestError(value)
}
}
impl Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::QuestNotFound(u16) => write!(f, "quest #{u16} not found"),
Self::QuestIsPublic(u16) => write!(f, "quest #{u16} is already public"),
Self::QuestIsCompleted(u16) => write!(f, "quest #{u16} is already completed for this user"),
Self::NoContent => write!(f, "no text or attachment was specified"),
Self::NoChannelOrUser => write!(f, "no channel or user was specified"),
Self::BothChannelAndUser => write!(f, "both channel and user was specified"),
Self::SerenityError(_) => write!(f, "discord interaction error"),
Self::SquadQuestError(_) => write!(f, "internal logic error"),
}
}
}
impl std::error::Error for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Self::QuestNotFound(_) |
Self::QuestIsPublic(_) |
Self::QuestIsCompleted(_) |
Self::NoContent |
Self::NoChannelOrUser |
Self::BothChannelAndUser => None,
Self::SerenityError(error) => Some(error),
Self::SquadQuestError(error) => Some(error),
}
}
}

6
discord/src/main.rs
View file

@ -5,18 +5,19 @@ use dotenvy::dotenv;
use poise::serenity_prelude as serenity;
use squad_quest::config::Config;
use crate::config::{ConfigImpl, DiscordConfig};
use crate::{commands::error_handler, config::{ConfigImpl, DiscordConfig}, error::Error};
mod commands;
mod cli;
mod config;
mod account;
mod error;
#[derive(Debug)]
struct Data {
pub config: Config,
pub discord: Arc<Mutex<DiscordConfig>>,
}
type Error = Box<dyn std::error::Error + Send + Sync>;
type Context<'a> = poise::Context<'a, Data, Error>;
#[tokio::main]
@ -35,6 +36,7 @@ async fn main() {
let framework = poise::Framework::builder()
.options(poise::FrameworkOptions {
on_error: |err| Box::pin(error_handler(err)),
commands: vec![
commands::quest::quest(),
commands::register(),

2
src/config/mod.rs
View file

@ -6,7 +6,7 @@ use serde::{Deserialize, Serialize};
use crate::{SquadObject, account::Account, error::Error, quest::Quest};
/// Struct for containing paths to other (de-)serializable things
#[derive(Serialize, Deserialize)]
#[derive(Serialize, Deserialize, Debug)]
#[serde(default)]
pub struct Config {
/// Path to config directory

22
src/error.rs
View file

@ -23,14 +23,26 @@ impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::IsNotAFile(path) => write!(f, "{path:?} is not a file"),
Self::IoError(error) => write!(f, "{error}"),
Self::TomlSerializeError(error) => write!(f, "{error}"),
Self::TomlDeserializeError(error) => write!(f, "{error}"),
Self::IoError(_) => write!(f, "io error"),
Self::TomlSerializeError(_) => write!(f, "TOML serialization error"),
Self::TomlDeserializeError(_) => write!(f, "TOML deserialization error"),
Self::IsNotImplemented => write!(f, "implementation not found"),
}
}
}
impl std::error::Error for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Self::IsNotAFile(_) |
Self::IsNotImplemented => None,
Self::IoError(error) => Some(error),
Self::TomlSerializeError(error) => Some(error),
Self::TomlDeserializeError(error) => Some(error),
}
}
}
/// Error related to quest logic
#[derive(Debug)]
#[non_exhaustive]
@ -47,6 +59,8 @@ impl fmt::Display for QuestError {
}
}
impl std::error::Error for QuestError {}
/// Error related to map logic
#[derive(Debug)]
#[non_exhaustive]
@ -68,3 +82,5 @@ impl fmt::Display for MapError {
}
}
}
impl std::error::Error for MapError {}