implement command start (for private chats)

migrations/1_init.sql

@@ -6,7 +6,8 @@ CREATE TABLE "user"
     first_name          TEXT    NOT NULL,
     last_name           TEXT,
     can_download        INTEGER NOT NULL,
-    is_admin            INTEGER NOT NULL
+    is_admin            INTEGER NOT NULL,
+    has_private_chat    INTEGER NOT NULL
 );
 
 CREATE TABLE "chat"
@@ -47,6 +48,4 @@ AFTER UPDATE OF is_approved ON "request"
 WHEN new.is_approved = 1
 BEGIN
     UPDATE user SET can_download = 1 WHERE user.id = new.requested_by;
-END;
+END;
-
--- TODO: add dialog start table

src/bot.rs

@@ -2,4 +2,5 @@ pub mod bot;
 pub mod dl;
 pub mod op;
 pub mod sanitize;
+pub mod start;
 pub mod types;

src/bot/bot.rs

@@ -1,19 +1,17 @@
 use anyhow;
-use sqlx::SqlitePool;
 use std::env;
 use std::fmt;
 use std::str;
 use std::str::FromStr;
-use std::sync::Arc;
 use std::time::Duration;
 use teloxide::dispatching::{dialogue, dialogue::InMemStorage, UpdateHandler};
-use teloxide::types::Recipient;
 use teloxide::{prelude::*, update_listeners::Polling, utils::command::BotCommands};
 use tracing::{event, Level};
 
 use super::types::*;
 use crate::db::DbPool;
 
+use super::start::cmd_start;
 use super::dl::cmd_download;
 use super::op::cmd_op;
 
@@ -58,6 +56,7 @@ fn schema() -> UpdateHandler<HandlerErr> {
 
     let command_handler = teloxide::filter_command::<Command, _>()
         .branch(case![Command::Test].endpoint(cmd_test))
+        .branch(case![Command::Start].endpoint(cmd_start))
         .branch(case![Command::Download(url)].endpoint(cmd_download))
         .branch(case![Command::OP].endpoint(cmd_op));
 
@@ -74,6 +73,9 @@ fn schema() -> UpdateHandler<HandlerErr> {
 enum Command {
     Test,
 
+    #[command(alias = "start")]
+    Start,
+
     #[command(alias = "dl")]
     Download(String),
 
@@ -83,10 +85,12 @@ enum Command {
 
 async fn cmd_test(bot: Bot, msg: Message, _db: DbPool) -> HandlerResult {
     bot.send_message(msg.chat.id, "test response").await?;
+    dbg!(msg);
 
     Ok(())
 }
 
 async fn handle_message(_bot: Bot, _dialogue: MyDialogue, _msg: Message) -> HandlerResult {
+    dbg!(_msg);
     Ok(())
 }

src/bot/start.rs

@@ -0,0 +1,23 @@
+use sqlx::Row;
+use teloxide::prelude::*;
+use tracing::{event, Level};
+
+use super::types::HandlerResult;
+use crate::db::user::find_or_create_user;
+use crate::db::DbPool;
+
+pub async fn cmd_start(bot: Bot, msg: Message, db: DbPool) -> HandlerResult {
+    if msg.chat.is_private() {
+        if let Some(user) = msg.from() {
+            let user = find_or_create_user(&db, user).await?;
+            sqlx::query("UPDATE user SET has_private_chat = 1 WHERE id = $1;")
+                .bind(user.id)
+                .execute(&db)
+                .await?;
+
+            event!(Level::INFO, "user {} has started private chat with bot", user);
+            bot.send_message(msg.chat.id, "Since you've initiated private chat now you could receive messages from bot").await?;
+        }
+    }
+    Ok(())
+}

src/db/user.rs

@@ -11,7 +11,7 @@ pub async fn create_user(
     sqlx::query(
         "INSERT OR IGNORE INTO user
         (tg_id, username, first_name, last_name, can_download, is_admin)
-        VALUES ($1,$2,$3,$4,$5,$6);",
+        VALUES ($1,$2,$3,$4,$5,$6,$7);",
     )
     .bind(user.id.0 as i64)
     .bind(&user.username)
@@ -19,6 +19,7 @@ pub async fn create_user(
     .bind(&user.last_name)
     .bind(can_download as i64)
     .bind(is_admin as i64)
+    .bind(0)
     .execute(db)
     .await?;
 

src/main.rs

@@ -1,5 +1,3 @@
-use std::sync::Arc;
-
 use dotenv::dotenv;
 
 mod bot;