steffo/greed
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#2: Do not crash when a not existing product message tries to add something to the cart

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This commit is contained in:
Steffo 2018-04-13 09:37:03 +02:00
parent 15438ccaaf
commit 6680797a72
1 changed files with 10 additions and 4 deletions
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14
worker.py
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@ -312,8 +312,11 @@ class ChatWorker(threading.Thread):
return
# If a Add to Cart button has been pressed...
elif callback.data == "cart_add":
# Get the selected product
product = cart[callback.message.message_id][0]
# Get the selected product, ensuring it exists
p = cart.get(callback.message.message_id)
if p is None:
continue
product = p[0]
# Add 1 copy to the cart
cart[callback.message.message_id][1] += 1
# Create the product inline keyboard
@ -354,8 +357,11 @@ class ChatWorker(threading.Thread):
reply_markup=final_inline_keyboard)
# If the Remove from cart button has been pressed...
elif callback.data == "cart_remove":
# Get the selected product
product = cart[callback.message.message_id][0]
# Get the selected product, ensuring it exists
p = cart.get(callback.message.message_id)
if p is None:
continue
product = p[0]
# Remove 1 copy from the cart
if cart[callback.message.message_id][1] > 0:
cart[callback.message.message_id][1] -= 1