class Manager:
def __init__(self):
self.db = Database()
self.qc = QualityController()
def checkAvailibility(self, item):
itemInfo = self.db.getItemInfoFromInventory(item[0])
if len(itemInfo) > 1:
# item available
if itemInfo[1] > item[1]:
# sufficient quantity available
return ["available", item[1]]
else:
# need to order more of that item
return ["available", itemInfo[1]]
else:
# item not available
return ["notAvailable"]
def itemList(self):
self.db.itemList()
return
def displayInventory(self):
inventory = self.db.displayInventory()
for i in inventory:
print i
def close(self):
self.qc.close()
self.db.close()
def takeOrder(self, client_id):
# print ("Since I'm just a computer program, make it simple. privide only the item ids to me..")
# print ("Format: \nid1 count1 \nid2 count2 \nid3 count3 \nif you're done, press enter twice")
print ("Client number:" + str(client_id))
print ("tell me what you want:")
self.items = []
while True:
ip = str(raw_input())
if ip == "":
break
else:
ip = (int(ip.split(" ")[0]), int(ip.split(" ")[1]))
self.items.append(ip)
print self.items
print ("alright.. lets check their availability")
self.notAvailable = []
for item in self.items:
availInfo = self.checkAvailibility(item)
if availInfo[0] == "available":
if availInfo[1] == item[1]:
print "checking product quality...\n"
quality = self.qc.checkQuality(item[0])
if quality == "good":
print "item ID " + str(item[0]) + " requested amount available"
else:
self.notAvailable.append(item)
print "apologies.. the product available has expired.\n We will get back to you."
self.qc.renewStock(item[0], item[1], client_id)
else:
# available, but not the requested quantity
self.notAvailable.append(item)
print "item ID " + str(item[0]) + " not available. Please wait. We will get back to you."
self.qc.renewStock(item[0], item[1], client_id)
else:
# item isn't in the inventory
self.notAvailable.append(item)
print "item ID " + str(item[0]) + " not available. Please wait. We will get back to you."
self.qc.renewStock(item[0], item[1], client_id)
if len(self.notAvailable) == 0:
# everything available
return ["checkout", self.items]
else:
return ["don't checkout", self.notAvailable]
class QualityController:
def deleteItemFromInventory(self, i):
self.db.deleteItemFromInventory(i)
def addItemToInventory(self, item_id, quantity):
now = time.strftime("%Y-%m-%d")
self.db.addItemToInventory(item_id, quantity, now)
def checkExpiry(self):
while True:
time.sleep(60)
for i in self.db.displayInventory():
quality = self.checkQuality(i[0])
if quality == "good":
pass
else:
print "expiry found. Item removed from inventory."
def renewStockThread(self, item_id, quantity, client_id):
itemDetails = self.db.getItemDetails(item_id)
self.supplier.request((itemDetails[0], itemDetails[1]), quantity)
# assume that the request is fulfilled..
self.addItemToInventory(item_id, quantity)
if client_id == -1:
print "\nnew stock has arrived\n"
else:
print "\n\norder of client number : " + str(client_id) + " has arrived.\n\n"
def renewStock(self, item_id, quantity, client_id):
t = threading.Thread(target=self.renewStockThread, args=(item_id, quantity, client_id))
t.start()
if client_id != -1:
print "we have successfully placed the order for client number " + str(client_id)
def close(self):
self.db.close()
def __init__(self):
self.renewQuantity = 10
self.db = Database()
self.supplier = Supplier()
t = threading.Thread(target=self.checkExpiry, args="")
t.start()
def checkQuality(self, item_id):
ttl = self.db.getItemDetails(item_id)[3]
date_of_purchase = str(self.db.getItemInfoFromInventory(item_id)[2])
y = date_of_purchase.split("-")[0]
m = date_of_purchase.split("-")[1]
d = date_of_purchase.split("-")[2]
date_of_purchase = "/".join([m,d,y])
date_of_purchase = datetime.datetime.strptime(date_of_purchase, "%m/%d/%Y")
end_date = date_of_purchase + datetime.timedelta(days=ttl)
now = datetime.datetime.now()
if now < end_date:
print "end_date not reached."
print "good quality."
return "good"
else:
print "end date reached."
print "bad quality."
self.deleteItemFromInventory(item_id)
self.renewStock(item_id, self.renewQuantity, -1)
return "not good"
