html support in /start message

olgram/migrations/custom.py

@@ -26,6 +26,10 @@ async def upgrade_1():
 
 async def upgrade_2():
     """Отменяем малый TTL для старых сообщений"""
+    meta_info = await MetaInfo.first()
+    if meta_info.version != 1:
+        logging.info("skip")
+        return
 
     con = await aioredis.create_connection(ServerSettings.redis_path())
     client = aioredis.Redis(con)
@@ -35,9 +39,35 @@ async def upgrade_2():
         if not key.startswith(b"thread"):
             await client.pexpire(key, ServerSettings.redis_timeout_ms())
 
+    meta_info.version = 2
+    await meta_info.save()
+    logging.info("done")
+
+
+async def upgrade_3():
+    """start_text и second_text должны быть валидными HTML"""
+    import html
+
+    meta_info = await MetaInfo.first()
+    if meta_info.version != 2:
+        logging.info("skip")
+        return
+
+    async with transactions.in_transaction():
+        bots = await Bot.all()
+        for bot in bots:
+            if bot.start_text:
+                bot.start_text = html.escape(bot.start_text)
+            if bot.second_text:
+                bot.second_text = html.escape(bot.second_text)
+            await bot.save(update_fields=["start_text", "second_text"])
+        meta_info.version = 3
+        await meta_info.save()
+    logging.info("done")
+
 
 # Не забудь добавить миграцию в этот лист!
-_migrations = [upgrade_1, upgrade_2]
+_migrations = [upgrade_1, upgrade_2, upgrade_3]
 
 
 async def migrate():