feat: Added quest answers

- Added field pending_answers to DiscordConfig
- discord: added /answer

discord/src/commands/answer.rs

@@ -0,0 +1,68 @@
+use poise::serenity_prelude::{Attachment, CreateAttachment, CreateMessage, Mentionable};
+
+use crate::{Context, Error};
+
+#[poise::command(
+    prefix_command,
+    slash_command,
+    guild_only,
+)]
+pub async fn answer(
+    ctx: Context<'_>,
+    #[description = "Identifier of the quest to answer to"]
+    quest_id: u16,
+    #[description = "Text answer to the quest"]
+    text: Option<String>,
+    #[description = "Attachment answer to the quest"]
+    files: Vec<Attachment>,
+) -> Result<(), Error> {
+    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(());
+    };
+
+    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(());
+    }
+
+    let text_ans = match text {
+        Some(text) => format!("\n### Passed answer:\n{text}"),
+        None => String::new(),
+    };
+
+    let attachment_notice = if files.len() == 0 { String::new() } else {
+        "\nPassed answer has attachments.".to_string()
+    };
+
+    let content = format!("# From: {user}\n\
+        ### Quest #{quest_id}: {quest_name}\n\
+        ### Expected answer:\n\
+        ||{quest_answer}||{text_ans}{attachment_notice}",
+        user = ctx.author().mention(),
+        quest_name = quest.name,
+        quest_answer = quest.answer,
+    );
+    
+    let mut attachments: Vec<CreateAttachment> = Vec::new();
+
+    for file in files {
+        let attachment = CreateAttachment::url(ctx, &file.url).await?;
+        attachments.push(attachment);
+    }
+
+    let ans_channel = ctx.data().discord.answers_channel;
+    let message = CreateMessage::new()
+        .content(content)
+        .files(attachments);
+
+    ans_channel.send_message(ctx, message).await?;
+
+    let reply_string = "Your answer has been posted.".to_string();
+    ctx.reply(reply_string).await?;
+
+    Ok(())
+}

discord/src/commands/init.rs

@@ -26,7 +26,7 @@ pub async fn init(
     dc.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(_) => "Please restart bot to apply changes".to_string(),
+        Ok(_) => "Settings updated, please restart bot to apply changes.".to_string(),
         Err(error) => {
             eprintln!("{error}");
             ERROR_MSG.to_string()

discord/src/commands/mod.rs

@@ -4,6 +4,7 @@ use crate::{Context, Error};
 
 pub mod quest;
 pub mod init;
+pub mod answer;
 
 pub const ERROR_MSG: &str = "Server error :(";
 

discord/src/commands/quest.rs

@@ -2,9 +2,7 @@ use std::str::FromStr;
 
 use squad_quest::{SquadObject, quest::{Quest, QuestDifficulty}};
 use toml::value::Date;
-use crate::{Context, Error};
-
-const ERROR_MSG: &str = "Server error :(";
+use crate::{Context, Error, commands::ERROR_MSG};
 
 #[poise::command(
     prefix_command,