1 files changed, 32 insertions, 0 deletions
diff --git a/src/home/telegram/_botdb.py b/src/home/telegram/_botdb.py
new file mode 100644
index 0000000..9e9cf94
--- /dev/null
+++ b/src/home/telegram/_botdb.py
@@ -0,0 +1,32 @@
+from home.database.sqlite import SQLiteBase
+
+
+class BotDatabase(SQLiteBase):
+    def __init__(self):
+        super().__init__()
+
+    def schema_init(self, version: int) -> None:
+        if version < 1:
+            cursor = self.cursor()
+            cursor.execute("""CREATE TABLE IF NOT EXISTS users (
+                id INTEGER PRIMARY KEY,
+                lang TEXT NOT NULL
+            )""")
+            self.commit()
+
+    def get_user_lang(self, user_id: int, default: str = 'en') -> str:
+        cursor = self.cursor()
+        cursor.execute('SELECT lang FROM users WHERE id=?', (user_id,))
+        row = cursor.fetchone()
+
+        if row is None:
+            cursor.execute('INSERT INTO users (id, lang) VALUES (?, ?)', (user_id, default))
+            self.commit()
+            return default
+        else:
+            return row[0]
+
+    def set_user_lang(self, user_id: int, lang: str) -> None:
+        cursor = self.cursor()
+        cursor.execute('UPDATE users SET lang=? WHERE id=?', (lang, user_id))
+        self.commit()