class Controller():
def __init__(self):
self.notif = Notification()
self.log = Logs()
self.bloodBank = BloodBank()
def addBR(self, bloodType, Location, day1, month1, year1, day2, month2,
year2, isOkay):
if (isOkay == "True"):
br = BloodRecord(bloodType, Location, day1, month1, year1, day2,
month2, year2, isOkay)
if (br.hasExpired()):
self.log.addLog(
"addBloodRecord",
"BloodRecord: {}, {}-{}-{}, {}-{}-{}, {} expired".format(
bloodType.name, year1, month1, day1, year2, month2,
day2, Location), "failure")
self.notif.addNotif(
"Expired blood can not be entered into the system")
if (self.bloodBank.BelowThreshold(0)):
self.notif.addNotif(
"Not enough blood added to guarantee minimum supply")
self.log.addLog("addBloodRecord",
"Minimum supply not met after insertion",
"success")
else:
self.bloodBank.Push(bloodType, br)
self.log.addLog(
"addBloodRecord",
"Added BloodRecord: {}, {}-{}-{}, {}-{}-{}, {}".format(
bloodType.name, year1, month1, day1, year2, month2,
day2, Location), "success")
if (self.bloodBank.BelowThreshold(1)):
self.notif.addNotif(
"Not enough blood added to guarantee minimum supply")
self.log.addLog("addBloodRecord",
"Minimum supply not met after insertion",
"success")
else:
self.log.addLog(
"addBloodRecord",
"BloodRecord: {}, {}-{}-{}, {}-{}-{}, {} rejected".format(
bloodType.name, year1, month1, day1, year2, month2, day2,
Location), "failure")
if (self.bloodBank.BelowThreshold(0)):
self.notif.addNotif(
"Not enough blood added to guarantee minimum supply")
self.log.addLog("addBloodRecord",
"Minimum supply not met after insertion",
"success")
def ViewNotifs(self):
return self.notif.viewNotifs()
def ViewLog(self):
return self.log.viewLog()
def ViewBR(self):
# transform BloodRecords into Strings
return self.bloodBank.ViewAll()
def ViewBRLevels(self):
return self.bloodBank.ViewBRLevels()
def RequestBR(self, bloodType):
while (self.bloodBank.CompatibleBloodExists(bloodType)):
# checks if a responding to request will result in > minimum supply of blood
if (self.bloodBank.BelowThreshold(-1)):
self.notif.addNotif(
"Removal results in blood levels below minimum supply")
self.log.addLog("bloodRequest",
"Minimum supply not guaranteed after removal",
"failure")
return None
else:
requestedBlood = self.bloodBank.GetBloodMatch(bloodType)
# found expired blood so we dont return it
# Qop has already removed it from the system
# continue looping to find suitable blood for request
if (requestedBlood.hasExpired()):
self.notif.addNotif(
"Expired blood has been found and removed")
self.log.addLog(
"expiredBlood",
"expired BloodRecord: {}, {}-{}-{}, {}-{}-{}, {} found and removed"
.format(requestedBlood.bType.name,
requestedBlood.donationDate.year,
requestedBlood.donationDate.month,
requestedBlood.donationDate.day,
requestedBlood.expiryDate.year,
requestedBlood.expiryDate.month,
requestedBlood.expiryDate.day,
requestedBlood.location), "success")
continue
else:
self.notif.addNotif(
"One unit of {} type blood has been used".format(
bloodType.name))
self.log.addLog(
"bloodRequest",
"BloodRecord: {}, {}-{}-{}, {}-{}-{}, {} used to respond to request"
.format(requestedBlood.bType.name,
requestedBlood.donationDate.year,
requestedBlood.donationDate.month,
requestedBlood.donationDate.day,
requestedBlood.expiryDate.year,
requestedBlood.expiryDate.month,
requestedBlood.expiryDate.day,
requestedBlood.location), "success")
return self.bloodBank.BRToJSONString(requestedBlood)
# no blood found
else:
self.log.addLog(
"bloodRequest",
"No available blood of type {}".format(bloodType.name),
"failure")
return None
