def main(self):
if GPIO.input(
self.doorbutton
): #if door closed button is pressed, switches off green LED and switches on red LED
GPIO.output(self.openlight, 0)
GPIO.output(self.closelight, 1)
putState(self.machine, door=0)
if GPIO.input(self.washbutton) and GPIO.input(
self.washlight
): #if it was washing finished washing button is pressed, switches off amber LED and informs firebase wash is done
GPIO.output(self.washlight, 0)
putState(self.machine, state=-2)
self.washing = False
if not self.washing: #if its not washing, it will check firebase if door should open
if getState(self.machine, 'door') != 0:
GPIO.output(self.closelight, 0)
GPIO.output(self.openlight, 1)
else: #check firebase if washing should begin and updates wash time to users
GPIO.output(self.openlight, 0)
GPIO.output(self.closelight, 1)
if getState(self.machine, 'state') == -1:
GPIO.output(self.washlight, 1)
for student in getState(self.machine, 'studentid'):
machineid, endtime = getData(student,
['machineid', 'endtime'])
for machine in range(len(machineid)):
if machineid[machine] == self.machine:
endtime[machine] = time() + washTime
putData(student, endtime=endtime)
self.washing = True
def checks(
self, instance
): #checks if all doors are closed (if not, go to the close door screen) and checks if pooling time does not exceed timeOut (start wash once exceeds)
if getWash(timeOut) != None:
putState(getWash(timeOut), state=-1)
if getDoor() != None:
return self.door(instance)
else:
return self.closed(instance)
def login(self, instance):
if verify(self.ut.text,
Hash(self.pt.text)): #if userID and passwords match
weight, machineid, endtime = getData(
self.ut.text, ['weight', 'machineid', 'endtime'
]) #gets current wash info of the user
timing, studentid = getState(
globalMachine,
['state', 'studentid'
]) #gets current userids and state of washing machine
if weight == None: #if user has no current washes
weight = [globalWeight]
machineid = [globalMachine]
if timing == 0: #of no laudry in the machine, puts time of putting laundry
endtime = [time() + washTime + timeOut]
else: #uses the first user's time of putting laundry
endtime = [timing + washTime + timeOut]
else: #adds new wash info to current washes
weight += [globalWeight]
machineid += [globalMachine]
if timing == 0:
endtime += [time() + washTime + timeOut]
else:
endtime += [timing + washTime + timeOut]
if studentid == None: #if machine is empty, create the user list
studentid = [self.ut.text]
else: #add user info to user list
studentid += [self.ut.text]
putData(self.ut.text,
weight=weight,
machineid=machineid,
endtime=endtime,
debt=globalCost,
pmstate=0) #updates users data to firebase
if globalState == -1: #if last user (washing machine starts wash immediately after this user), updates info accordingly
putState(globalMachine,
door=1,
state=-1,
weight=globalWeight,
studentid=studentid)
elif getState(
globalMachine, 'state'
) == 0: #if first user, puts time of putting laundry and updates info accordingly
putState(globalMachine,
door=1,
state=time(),
weight=globalWeight,
studentid=studentid)
else: #if neither, keeps first user timing and updates rest of info accordingly
putState(globalMachine,
door=1,
weight=globalWeight,
studentid=studentid)
global globalState
globalState = timing
self.manager.current = 'wash'
else:
self.ut.text = ''
self.pt.text = ''
self.fail.text = 'Incorrect User ID or Password'
def signup(self, instance):
if not (self.ut.text.isdigit()
and len(self.ut.text) == 7): #checks validity of student ID
self.fail.text = 'Invalid Student ID'
self.ut.text = ''
self.ut.focus = True
elif self.ut.text in getUsers(
): #checks if student ID is already in system
self.fail.text = 'Student ID already in use, please choose another'
self.ut.text = ''
self.ut.focus = True
elif self.pt.text != self.cpt.text: #checks for matching passwords
self.fail.text = 'Passwords do not match'
self.pt.text = ''
self.cpt.text = ''
self.pt.focus = True
elif not (self.ct.text.isdigit()
and len(self.ct.text) == 8): #checks validity of hp number
self.fail.text = 'Invalid Handphone Number'
self.ct.focus = True
elif self.ct.text == '': #checks for empty fields
self.fail.text = 'Please key in your Handphone Number\nso we can contact you for laundry collection'
self.ct.focus = True
elif self.ut.text == '':
self.fail.text = 'Please key in your User ID'
self.ut.focus = True
elif self.pt.text == '':
self.fail.text = 'Please key in your password'
self.pt.focus = True
else:
createUser(self.ut.text, Hash(self.pt.text),
int(self.ct.text)) #creates the user on firebase
timing, studentid = getState(globalMachine, ['state', 'studentid'])
weight = [globalWeight]
machineid = [globalMachine]
if timing == 0:
endtime = [time() + washTime + timeOut]
else:
endtime = [timing + washTime + timeOut]
if studentid == None:
studentid = [self.ut.text]
else:
studentid += [self.ut.text]
putData(self.ut.text,
weight=weight,
machineid=machineid,
endtime=endtime,
debt=globalCost)
if globalState == -1:
putState(globalMachine,
door=1,
state=-1,
weight=globalWeight,
studentid=studentid)
elif getState(globalMachine, 'state') == 0:
putState(globalMachine,
door=1,
state=time(),
weight=globalWeight,
studentid=studentid)
else:
putState(globalMachine,
door=1,
weight=globalWeight,
studentid=studentid)
self.manager.current = 'contactbot'
def login(self, instance):
if verify(self.ut.text, Hash(self.pt.text)):
weight, machineid, endtime = getData(
self.ut.text, ['weight', 'machineid', 'endtime'])
if weight == None: #if wash info is empty
global globalState
globalState = 'You do not have any laundry to collect'
self.manager.current = 'nocollect'
return None
else:
machinels = []
for machine in range(len(machineid)):
if getState(machineid[machine], 'state') == -2:
machinels.append(machine)
if machinels == []: #if none of the washing machines the user has laundry in is ready
global globalState
globalState = 'Your laundry is not ready for collection'
self.manager.current = 'nocollect'
return None
weightls = []
machineidls = []
for machine in sorted(
machinels, reverse=True
): #removed ready wash data and puts it into new lists
weightls.append(weight.pop(machine))
machineidls.append(machineid.pop(machine))
endtime.pop(machine)
putData(self.ut.text,
machineid=machineid,
weight=weight,
endtime=endtime
) #returns not ready wash data back to firebase
for machine in range(
len(machineidls)
): #uses ready wash data to update washing machine status
studentid = getState(machineidls[machine], 'studentid')
try:
studentid.remove(self.ut.text)
except ValueError:
pass
if getState(machineidls[machine],
'weight') - weightls[machine] < 0.001:
putState(machineidls[machine],
door=1,
state=0,
weight=-weightls[machine],
studentid=studentid)
else:
putState(machineidls[machine],
door=1,
weight=-weightls[machine],
studentid=studentid)
global globalMachine
globalMachine = list(
set(machineidls)
) #puts list of washing machines with user's laundry ready for collection
self.manager.current = 'collect'
else:
self.ut.text = ''
self.pt.text = ''
self.fail.text = 'Incorrect User ID or Password'