feat: db creation

src/db.rs

@@ -0,0 +1,36 @@
+use rusqlite::Connection;
+
+pub fn create_db() {
+    let conn = Connection::open("your_database.db").expect("Failed to open database");
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS users (
+             id INTEGER PRIMARY KEY AUTOINCREMENT
+         )",
+        [],
+    ).expect("Failed to create users table");
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS category (
+             id INTEGER PRIMARY KEY AUTOINCREMENT,
+             name TEXT NOT NULL
+         )",
+        [],
+    ).expect("Failed to create category table");
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS homework_hub (
+             name TEXT PRIMARY KEY,
+             desc TEXT NOT NULL,
+             deadline DATE,
+             date_created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+             category_id INTEGER,
+             user_id INTEGER,
+             FOREIGN KEY (category_id) REFERENCES category(id),
+             FOREIGN KEY (user_id) REFERENCES users(id)
+         )",
+        [],
+    ).expect("Failed to create homework_hub table");
+
+    log::info!("created database successfully!");
+}

src/main.rs

@@ -1,10 +1,14 @@
 pub mod bot;
+pub mod db;
+
+use db::create_db;
 use bot::*;
 use teloxide::{dispatching::dialogue::InMemStorage, prelude::*};
 
 #[tokio::main]
 async fn main() {
     log::info!("Starting dialogue bot...");
+    create_db();
     pretty_env_logger::init();
 
     let bot = Bot::from_env();