feat(discord): Moved most strings to Strings

- Added Error::AccountIsSelf variant
- /balance give to self now returns error

discord/src/commands/answer.rs

@@ -1,4 +1,4 @@
-use poise::serenity_prelude::{Attachment, ComponentInteractionCollector, CreateActionRow, CreateAttachment, CreateButton, CreateMessage, EditMessage, Mentionable};
+use poise::serenity_prelude::{Attachment, ComponentInteractionCollector, CreateActionRow, CreateAttachment, CreateButton, CreateMessage, EditMessage};
 use squad_quest::SquadObject;
 
 use crate::{Context, Error, account::fetch_or_init_account};
@@ -33,7 +33,7 @@ pub async fn answer(
         .find(|q| q.id == quest_id) else {
         return Err(Error::QuestNotFound(quest_id));
     };
-    
+ 
     let mut files: Vec<Attachment> = Vec::new();
     for file in [file1, file2, file3] {
         if let Some(f) = file {
@@ -45,23 +45,30 @@ pub async fn answer(
         return Err(Error::NoContent);
     }
 
-    let text_ans = match text {
-        Some(text) => format!("\n### Passed answer:\n{text}"),
+    let strings = &ctx.data().strings;
+    let mut formatter = strings.formatter()
+        .user(ctx.author())
+        .quest(quest);
+
+   let text_ans = match text {
+        Some(text) => {
+            formatter = formatter.text(text);
+            formatter.fmt(&strings.answer.text)
+        },
         None => String::new(),
     };
 
     let attachment_notice = if files.len() == 0 { String::new() } else {
-        "\nPassed answer has attachments.".to_string()
+        formatter.fmt(&strings.answer.attachment_notice)
     };
 
-    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 content = [
+        formatter.fmt(&strings.answer.from),
+        formatter.fmt(&strings.answer.quest),
+        formatter.fmt(&strings.answer.expected),
+        text_ans,
+        attachment_notice,
+    ].join("");
     
     let mut attachments: Vec<CreateAttachment> = Vec::new();
 
@@ -91,19 +98,21 @@ pub async fn answer(
 
     let mut message = ans_channel.send_message(ctx, builder).await?;
 
-    let reply_string = "Your answer has been posted.".to_string();
+    let reply_string = formatter.fmt(&strings.answer.reply.initial);
     ctx.reply(reply_string).await?;
 
     if 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 admin = press.user;
+        formatter = formatter.user(&admin).text(&content);
+
         let is_approved = press.data.custom_id == approve_id;
         let content = if is_approved {
-            format!("{content}\nApproved by: {admin}")
+            formatter.fmt(&strings.answer.accepted_by)
         } else {
-            format!("~~{content}~~\nRejected by: {admin}")
+            formatter.fmt(&strings.answer.rejected_by)
         };
 
         let builder = EditMessage::new().content(content).components(Vec::new());
@@ -122,21 +131,15 @@ pub async fn answer(
                 no_errors = false;
             };
 
+            formatter = formatter.current_balance(&account);
+
             if no_errors {
-                content = format!("Your answer to the quest #{quest_id} has been approved.\n\
-                    You gained {reward} points.\n\
-                    Your balance is now {balance} points",
-                    reward = quest.reward,
-                    balance = account.balance
-                );
+                content = formatter.fmt(&strings.answer.reply.accepted);
             } else {
-                content = format!("Your answer to the quest #{quest_id} has been approved, \
-                    but some server error happened. \
-                    Please contact administrator for details."
-                );
+                content = formatter.fmt(&strings.answer.reply.error);
             }
         } else {
-            content = format!("Your answer to the quest #{quest_id} has been rejected.");
+            content = formatter.fmt(&strings.answer.reply.rejected);
         };
         let dm_builder = CreateMessage::new().content(content);
         ctx.author().dm(ctx, dm_builder).await?;