Add the handlers to show cart items and to add an item to a cart.

src/handlers/__init__.py

@@ -5,6 +5,7 @@ from src.handlers.help import help_handler
 from src.handlers.city import city_list_handler, select_city_handler
 from src.handlers.company import company_list_handler, select_company_handler
 from src.handlers.category import category_list_handler
+from src.handlers.cart import cart_list_handler, add_item_handler
 from src.handlers.user import register_handler
 
 from src.fmt.city_formatter import CityFormatter
@@ -50,3 +51,14 @@ def setup(bot: botlib.Bot, prefix: str):
         if match.command('category-list'):
             await category_list_handler(bot=bot, room_id=room.room_id, sender=message.sender, admin_id=bot.config.admin_id)
 
+        if match.command('cart'):
+            await cart_list_handler(bot=bot, room_id=room.room_id, sender=message.sender, admin_id=bot.config.admin_id)
+
+        if match.command('add-item'):
+            formatter = CompanyFormatter()
+            line = formatter.get_name_from_parts(match.args())
+
+            name, count = line.split(',')
+            count = int(count)
+            await add_item_handler(bot=bot, room_id=room.room_id, sender=message.sender, admin_id=bot.config.admin_id, item_name=name, count=count)
+

src/handlers/cart.py

@@ -0,0 +1,35 @@
+import simplematrixbotlib as botlib
+import aiohttp
+import asyncio
+import ujson
+from src.config.dots_bot_api_config import DotsBotApiConfig
+
+from src.api.v2.cart_api import CartAPI
+from src.fetcher.v2.api_fetcher import ApiFetcher
+from src.fmt.item_formatter import ItemFormatter
+from src.fmt.cart_item_formatter import CartItemFormatter
+
+dots_bot_api_config = DotsBotApiConfig()
+
+async def cart_list_handler(room_id: str, bot: botlib.Bot, sender: str, admin_id: str):
+
+    session = aiohttp.ClientSession(json_serialize=ujson.dumps)
+    apiFetcher = ApiFetcher(dots_bot_api_config.get_base_url(), session)
+    formatter = CartItemFormatter()
+    cartAPI = CartAPI(apiFetcher, formatter)
+
+    msg: str = await cartAPI.get_objects_message(sender)
+
+    await bot.api.send_markdown_message(room_id=room_id, message=msg)
+
+async def add_item_handler(room_id: str, bot: botlib.Bot, sender: str, admin_id: str, item_name: str, count: int):
+
+    session = aiohttp.ClientSession(json_serialize=ujson.dumps)
+    apiFetcher = ApiFetcher(dots_bot_api_config.get_base_url(), session)
+    formatter = ItemFormatter()
+    cartAPI = CartAPI(apiFetcher, formatter)
+
+    msg: str = await cartAPI.add_object_message(item_name, count, sender)
+
+    await bot.api.send_markdown_message(room_id=room_id, message=msg)
+