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FinalQueueAlgorithm.py
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FinalQueueAlgorithm.py
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import random
def itemCalculate(extraPaymentTime):
scanTime = [7, 3, 2, 3, 16, 11, 3, 5, 6, 3, 17, 10, 4, 4, 3, 3, 6] #real readings
extraScanTime = 0
bagTime = 3
listOfCategories = ["Clothing", "Food"]
answer = ["Yes", "No"]
noOfItems = random.randint(1, 20)
for i in range(noOfItems):
itemCategory = random.choice(listOfCategories)
itemDiscount = random.choice(answer)
if itemCategory == "Clothing":
extraScanTime += 10
if itemDiscount == "Yes":
extraScanTime += 10
serviceTime = (noOfItems * (random.choice(scanTime) + bagTime)) + extraScanTime + extraPaymentTime
return serviceTime
def firstCustomerCalc(temp_serviceTime):
serviceTime1 = 0
minusPaymentTime = 0
first = random.randint(1,4)
if first == 1:
minusPaymentTime = 0.25 #just started
elif first == 2:
minusPaymentTime = 0.5 #halfway through
else:
minusPaymentTime = 0.75 #almost done
serviceTime1 = temp_serviceTime - (minusPaymentTime * temp_serviceTime)
return serviceTime1
def customerCalculate():
extraPaymentTime = 0
paymentMethod = ["Cash", "Card"]
cashPayment = [55, 46, 37, 29, 30, 13, 9, 18, 51, 19, 83, 17, 18, 22, 34] #real readings
cardPayment = [64, 52, 29, 34, 46, 55, 57, 61, 43, 33, 30, 37, 52, 49, 43] #real readings
customerPaymentMethod = random.choice(paymentMethod)
answerM = ["Yes", "No, but I want membership", "No, I don't want membership"]
customerMembership = random.choice(answerM)
if customerPaymentMethod == "Cash":
extraPaymentTime += random.choice(cashPayment)
else:
extraPaymentTime += random.choice(cardPayment)
if customerMembership == "Yes":
extraPaymentTime += 15
elif customerMembership == "No, but I want membership":
extraPaymentTime += 25
return itemCalculate(extraPaymentTime)
def SecondsToMinutes(inp):
ans = inp // 60
rem = inp % 60
queueTime = str(ans) + " minutes " + str(rem) + " seconds "
return queueTime
def TestCase_1_noOfCustomers():
queueTime = []
lis = [3, 5, 6, 7]
for i in lis:
serviceTime = 0
for j in range(i):
serviceTime += customerCalculate()
queueTime.append(SecondsToMinutes(serviceTime))
return queueTime
def itemCalculate_Test(extraPaymentTime, noOfItems):
scanTime = [7, 3, 2, 3, 16, 11, 3, 5, 6, 3, 17, 10, 4, 4, 3, 3, 6] #real readings
extraScanTime = 0
bagTime = 3
listOfCategories = ["Clothing", "Food"]
answer = ["Yes", "No"]
for i in range(noOfItems):
itemCategory = random.choice(listOfCategories)
itemDiscount = random.choice(answer)
if itemCategory == "Clothing":
extraScanTime += 10
if itemDiscount == "Yes":
extraScanTime += 10
serviceTime = (noOfItems * (random.choice(scanTime) + bagTime)) + extraScanTime + extraPaymentTime
return serviceTime
def TestCase_2_totalItems():
queueTime = []
lis = [67, 175, 197, 210]
for i in lis:
queueTime.append(SecondsToMinutes(itemCalculate_Test(20, i))) #20 sec assigned as avg extra paytime
return queueTime
def main():
#print(TestCase_1_noOfCustomers()) #analysis (a)
#print(TestCase_2_totalItems()) #analysis (b)
queueTimeList = []
queueTimeList_minSec = []
noOfQueues = random.randint(2, 6)
#print("Queues ", noOfQueues)
for i in range(noOfQueues):
serviceTimeList = []
noOfCustomers = random.randint(1, 7)
firstCustomer = True
#print("Customers ", noOfCustomers)
for j in range(noOfCustomers):
if firstCustomer == True:
temp_serviceTime = customerCalculate()
serviceTimeList.append(firstCustomerCalc(temp_serviceTime))
firstCustomer = False
else:
serviceTimeList.append(customerCalculate())
queueTimeList.append(sum(serviceTimeList))
queueTimeList_minSec.append(SecondsToMinutes(sum(serviceTimeList)))
print(queueTimeList_minSec)
if __name__ == "__main__":
main()