ServerSideScripting/processorder2.cgi at master · pythonschool/ServerSideScripting · GitHub

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#!/usr/local/bin/python3

importcgi
frompizza_kitchen_helpersimport*

defprocess_form(form_data):
quantity=int(form_data.getvalue("quantity"))
pizzas= []
foreachinrange(quantity):
pizza=int(form_data.getvalue("pizza{0}".format(each)))
size=int(form_data.getvalue("size{0}".format(each)))
pizzas.append((pizza,size))
returnquantity, pizzas

defcalculate_pizza_quantities(pizzas):
different_pizzas=set(pizzas)
quantities= []
foreachindifferent_pizzas:
num_pizza=pizzas.count(each)
quantities.append((each[0],each[1],num_pizza))
returnquantities

defcalculate_pizza_costs(db,cursor,quantities):

costs= []

foreachinquantities:

sql="select cost from pizza where pizza_id='{0}'".format(each[0])
cursor.execute(sql)
pizza_cost=cursor.fetchall()
pizza_cost=pizza_cost[0][0]


sql="select cost from size where inches='{0}'".format(each[1])
cursor.execute(sql)
size_cost=cursor.fetchall()
size_cost=size_cost[0][0]

total_cost= (pizza_cost+size_cost) *each[2]
costs.append((each[0],each[1],each[2],total_cost))

returncosts

defget_pizza_name(db,cursor,pizza_id):
sql="select name from pizza where pizza_id='{0}'".format(pizza_id)
cursor.execute(sql)
pizza_name=cursor.fetchone()
returnpizza_name[0]

defcalculate_total_order_cost(costs):
total_cost=0
foreachincosts:
total_cost+=each[3]
returntotal_cost

defcreate_form(db,cursor,costs,quantity):
form="""<form method="post" action="processorder3.cgi"/>
 <table>
 <tr>
 <th>Pizza</th>
 <th>Size</th>
 <th>Quantity</th>
 <th>Cost</th>
 </tr>
 """
orderitem=0
foreachincosts:
form+="""
 <tr>
 <td><input type="text" name="pizza{0}" value="{1}" readonly /></td>
 <td><input type="text" name="size{0}" value="{2}" readonly /></td>
 <td><input type="text" name="quantity{0}" value="{3}" readonly /></td>
 <td><input type="text" name="cost{0}" value="{4}" readonly /></td>
 </tr>
 """.format(orderitem,get_pizza_name(db,cursor,each[0]),each[1],each[2],each[3])
orderitem+=1
form+="""
 <tr>
 <td></td>
 <td></td>
 <th>Total Cost</th>
 <td><input type="text" name="total" value="{0}" readonly /></td>
 </tr>
 """.format(calculate_total_order_cost(costs))
form+="</table><br/>"
form+="""
 <h2>Delivery Time</h2>
 <p>When would you like your pizza delivered</p>
 <br/>
 Date <input type="date" name="date" value="" placeholder="e.g. 2012-12-20"/>
 Time <input type="time" name="time" value="" placeholder="e.g. 10:50" />
 <br/>
 """
form+="""
 <h2>Customer Information</h2>
 <p><b>Customer Number</b> <input type="number" name="customer" value="" placeholder="e.g. 112"/></p>
 <br/>
 """

form+="""<input type="submit" name="submit" value="Delivery Confirmation"/>"""
form+="""<input type="hidden" name="quantity" value="{0}"/>""".format(quantity)
form+="</form>"
returnform

if__name__=="__main__":
try:
html_top("Select Pizzas")
form_data=cgi.FieldStorage()
quantity, pizzas=process_form(form_data)
quantities=calculate_pizza_quantities(pizzas)
db,cursor=connect_pizza_database()
costs=calculate_pizza_costs(db,cursor,quantities)
num_pizza_types=len(costs)
form=create_form(db,cursor,costs,num_pizza_types)
print("<h1>Pizza Kitchen</h1>")
print("<h2>Order Summary</h2>")
print("<p>You have selected the following</p>")
print(form)
except:
cgi.print_exception()