feat!: implemented answer buttons

- Also you can /init without restarting bot

BREAKING CHANGE: Changed type of Data::discord to
Arc<Mutex<DiscordConfig>, removed field pending_answers from
DiscordConfig

discord/src/commands/answer.rs

@@ -1,4 +1,4 @@
-use poise::serenity_prelude::{Attachment, CreateAttachment, CreateMessage, Mentionable};
+use poise::serenity_prelude::{Attachment, ComponentInteractionCollector, CreateActionRow, CreateAttachment, CreateButton, CreateMessage, EditMessage, Mentionable};
 
 use crate::{Context, Error};
 
@@ -14,7 +14,11 @@ pub async fn answer(
     #[description = "Text answer to the quest"]
     text: Option<String>,
     #[description = "Attachment answer to the quest"]
-    files: Vec<Attachment>,
+    file1: Option<Attachment>,
+    #[description = "Attachment answer to the quest"]
+    file2: Option<Attachment>,
+    #[description = "Attachment answer to the quest"]
+    file3: Option<Attachment>,
 ) -> Result<(), Error> {
     let quests = ctx.data().config.load_quests();
     let Some(quest) = quests.iter().find(|q| q.id == quest_id) else {
@@ -23,6 +27,13 @@ pub async fn answer(
         return Ok(());
     };
     
+    let mut files: Vec<Attachment> = Vec::new();
+    for file in [file1, file2, file3] {
+        if let Some(f) = file {
+            files.push(f);
+        }
+    }
+
     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?;
@@ -38,7 +49,7 @@ pub async fn answer(
         "\nPassed answer has attachments.".to_string()
     };
 
-    let content = format!("# From: {user}\n\
+    let content = format!("## From: {user}\n\
         ### Quest #{quest_id}: {quest_name}\n\
         ### Expected answer:\n\
         ||{quest_answer}||{text_ans}{attachment_notice}",
@@ -54,15 +65,46 @@ pub async fn answer(
         attachments.push(attachment);
     }
     
-    let ans_channel = ctx.data().discord.answers_channel;
-    let message = CreateMessage::new()
-        .content(content)
-        .files(attachments);
+    let ctx_id = ctx.id();
+    let approve_id = format!("{ctx_id}approve");
+    let reject_id = format!("{ctx_id}reject");
 
-    ans_channel.send_message(ctx, message).await?;
+    let components = CreateActionRow::Buttons(vec![
+        CreateButton::new(&approve_id).label("Approve".to_string()),
+        CreateButton::new(&reject_id).label("Reject".to_string()),
+    ]);
+
+    let ans_channel = {
+        let discord = ctx.data().discord.clone();
+        let guard = discord.lock().expect("should not be locked");
+        guard.answers_channel
+    };
+    let builder = CreateMessage::new()
+        .content(content.clone())
+        .files(attachments)
+        .components(vec![components]);
+
+    let mut message = ans_channel.send_message(ctx, builder).await?;
 
     let reply_string = "Your answer has been posted.".to_string();
     ctx.reply(reply_string).await?;
 
+    while let Some(press) = ComponentInteractionCollector::new(ctx)
+        .filter(move |press| press.data.custom_id.starts_with(&ctx_id.to_string()))
+        .await
+    {
+        let admin = press.user.mention();
+        let is_approved = press.data.custom_id == approve_id;
+        let content = if is_approved {
+            format!("{content}\nApproved by: {admin}")
+        } else {
+            format!("~~{content}~~\nRejected by: {admin}")
+        };
+
+        let builder = EditMessage::new().content(content).components(Vec::new());
+        message.edit(ctx, builder).await?;
+        return Ok(());
+    }
+
     Ok(())
 }

discord/src/commands/init.rs

@@ -19,18 +19,22 @@ pub async fn init(
     #[description = "Channel to post answers to check"]
     answers_channel: ChannelId,
 ) -> Result<(), Error> {
-    let mut dc = ctx.data().discord.clone();
+    let reply_string = {
+        let dc = ctx.data().discord.clone();
+        let mut guard = dc.lock().expect("shouldn't be locked");
         let guild = ctx.guild_id().unwrap();
-    dc.quests_channel = quests_channel;
-    dc.answers_channel = answers_channel;
-    dc.guild = guild;
+        guard.quests_channel = quests_channel;
+        guard.answers_channel = answers_channel;
+        guard.guild = guild;
+    
         let path = &ctx.data().config.full_impl_path().unwrap();
-    let reply_string = match dc.save(path.parent().unwrap_or(Path::new("")).to_owned()) {
-        Ok(_) => "Settings updated, please restart bot to apply changes.".to_string(),
+        match guard.save(path.parent().unwrap_or(Path::new("")).to_owned()) {
+            Ok(_) => "Settings updated.".to_string(),
             Err(error) => {
                 eprintln!("{error}");
                 ERROR_MSG.to_string()
             },
+        }
     };
     ctx.reply(reply_string).await?;
 

discord/src/config.rs

@@ -10,7 +10,6 @@ pub struct DiscordConfig {
     pub quests_channel: ChannelId,
     pub answers_channel: ChannelId,
     pub quests_messages: Vec<MessageId>,
-    pub pending_answers: Vec<MessageId>,
 }
 
 pub trait ConfigImpl {

discord/src/main.rs

@@ -1,3 +1,5 @@
+use std::sync::{Arc, Mutex};
+
 use clap::Parser;
 use dotenvy::dotenv;
 use poise::serenity_prelude as serenity;
@@ -11,7 +13,7 @@ mod config;
 
 struct Data {
     pub config: Config,
-    pub discord: DiscordConfig,
+    pub discord: Arc<Mutex<DiscordConfig>>,
 }
 type Error = Box<dyn std::error::Error + Send + Sync>;
 type Context<'a> = poise::Context<'a, Data, Error>;
@@ -45,7 +47,7 @@ async fn main() {
                 poise::builtins::register_globally(ctx, &framework.options().commands).await?;
                 Ok(Data {
                     config,
-                    discord,
+                    discord: Arc::new(Mutex::new(discord)),
                 })
             })
         })