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Refactor inventory processing and add restock endpoint #26

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40 changes: 29 additions & 11 deletions app.py
Original file line number Diff line number Diff line change
Expand Up @@ -30,21 +30,26 @@ def unhandled_exception():
obj['keyDoesntExist']

Inventory = {
'wrench': 1,
'nails': 1,
'hammer': 1
'wrench': 100,
'nails': 100,
'hammer': 100
}

def process_order(cart):
global Inventory
tempInventory = Inventory
item_counts = {}
for item in cart:
if Inventory[item['id']] <= 0:
raise Exception("Not enough inventory for " + item['id'])
else:
tempInventory[item['id']] -= 1
print 'Success: ' + item['id'] + ' was purchased, remaining stock is ' + str(tempInventory[item['id']])
Inventory = tempInventory
item_id = item['id']
item_counts[item_id] = item_counts.get(item_id, 0) + 1

for item_id, count in item_counts.items():
if Inventory.get(item_id, 0) < count:
return {"success": False, "message": f"Not enough inventory for {item_id}"}

for item_id, count in item_counts.items():
Inventory[item_id] -= count

return {"success": True}

@app.before_request
def sentry_event_context():
Expand All @@ -70,6 +75,19 @@ def checkout():
print "Processing order for: " + order["email"]
cart = order["cart"]

process_order(cart)
result = process_order(cart)

if not result["success"]:
return result["message"], 400

return 'Success'

@app.route('/restock', methods=['POST'])
def restock():
global Inventory
Inventory = {
'wrench': 100,
'nails': 100,
'hammer': 100
}
return 'Inventory restocked'
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