begin implementing permission requesting system

locales/en.yml

@@ -4,3 +4,7 @@ has_to_reply: "You have to reply on target's message"
 cant_do_that: "You can't do that bruh"
 started_private_chat: "Since you've initiated private chat now you could receive messages from bot"
 started_public_chat: "For using the bot you may want to request access via /request or /request_chat"
+request_text_is_too_short: "Fuck off unless you write meaningful request message"
+request_text_is_too_long: "I ain't reading allat"
+already_can_download: "You already have permission to download, no need to request it then"
+already_has_requested: "Stop spamming requests. That ain't gonna grant ya the download perm"

src/bot/bot.rs

@@ -91,7 +91,7 @@ async fn handle_message(
     match msg.kind {
         MessageKind::NewChatMembers(MessageNewChatMembers { new_chat_members }) => {
             handle_new_chat_member(bot, &msg.chat, new_chat_members, db, me).await?
-        },
+        }
         MessageKind::Common(_) => (),
         _ => {
             dbg!(msg);

src/bot/request.rs

@@ -0,0 +1,45 @@
+use sqlx::Row;
+use rust_i18n::t;
+use teloxide::prelude::*;
+use tracing::{event, Level};
+
+use super::types::HandlerResult;
+use crate::reply_i18n_and_return;
+use crate::db::chat::find_or_create_chat;
+use crate::db::user::find_or_create_user;
+use crate::db::DbPool;
+
+pub async fn cmd_request(bot: Bot, msg: Message, text: String, db: DbPool) -> HandlerResult {
+    if text.len() < 16 {
+        reply_i18n_and_return!(bot, msg.chat.id, "request_text_is_too_short");
+    } else if text.len() > 255 {
+        reply_i18n_and_return!(bot, msg.chat.id, "request_text_is_too_long");
+    }
+
+    if let Some(user) = msg.from() {
+        let user = find_or_create_user(&db, user).await?;
+        if user.can_download == 1 {
+            reply_i18n_and_return!(bot, msg.chat.id, "already_can_download");
+        }
+
+        let requests: i64 = sqlx::query("SELECT COUNT(1) FROM request WHERE requested_by = $1;")
+            .bind(user.id)
+            .fetch_one(&db).await?
+            .get(0);
+        if requests > 0 {
+            reply_i18n_and_return!(bot, msg.chat.id, "already_has_requested");
+        }
+
+        // put the request
+        sqlx::query("INSERT INTO request (requested_by,message,is_approved) VALUES ($1,$2,$3);")
+            .bind(user.id)
+            .bind(text)
+            .bind(0)
+            .execute(&db).await?;
+        event!(Level::INFO, "added request for {}", user);
+
+        // notify admins
+    }
+
+    todo!()
+}