class BluetoothManager:
"""
This class represents a single interaction with a bluetooth device.
"""
def __init__(self):
"""
On initialisation the BluetoothManager class retrieves the temperature ranges from the Monitor Class
"""
#declare variables that handle interactions with other classes
self.__monitor = Monitor()
self.__notifier = Notification()
#declare variables that will store the head and message that will be sent via pushbullet
self.__head = None
self.__message = None
#declare variables the store the ranges from the Monitor class using the classes methods
self.__minTemperature = self.__monitor.getMinTemperature()
self.__maxTemperature = self.__monitor.getMaxTemperature()
self.__minHumidity = self.__monitor.getMinHumidity()
self.__maxHumidity = self.__monitor.getMaxHumidity()
def connectToNearByDevice(self, deviceName="Yonas"):
"""
connects the Raspberry Pi to the device that was passed through the deviceName parameter
Once connected returns a string stating that a connection was made with the device on the command line
"""
#search for the device until it has been found
while True:
#declare variables that store the the connected device's mac address and the current time
connectedDeviceMACAddress = None
dt = time.strftime("%a, %d %b %y %H:%M:%S", time.localtime())
print("\nCurrently: {}".format(dt))
#make the raspberry pi sleep for 3 seconds to recalibrate its sensors
time.sleep(3)
#declare a variable that will store an array of all current nearby devices
nearby_devices = bluetooth.discover_devices()
#iterate through the list of devices
for mac_address in nearby_devices:
#if the device at this index has the same name as the device attempting to be connected do the following
if deviceName == bluetooth.lookup_name(mac_address, timeout=5):
# store the devices mac address to this variable
connectedDeviceMACAddress = mac_address
# stop iterating through the list of devices because the devices mac address has been found
break
#if the variable connectedDeviceMACAddress contains a MAC address do the following
if connectedDeviceMACAddress is not None:
#store the head of the message with the device's name
self.__head = "Connected to " + str(
deviceName) + " via Bluetooth."
#print into the command line that the device has been connected via bluetooth
print(
"\nConnected to {} Via Bluetooth! ({}) has the MAC address: {}\n"
.format(deviceName, deviceName, connectedDeviceMACAddress))
#exit the search for the device
break
# if the variable connectedDeviceMACAddress does not contain a mac address do the following
else:
#print that the device that is being searched for can not be found
print("\nCould not find target device nearby...")
def createMessage(self, currentTemperature, currentHumidity):
"""
Takes in the current temperature and humidity as parameters and constructs a message that is stored
in the global variable __message
"""
#store the first values of the message to be the current temperature and humidity
self.__message = "current Temperature: " + str(
currentTemperature) + "*C\nCurrent Humidity: " + str(
currentHumidity) + "%\n"
#if statements to append the __message variable when the temperature and humidity arent within the specified range
if currentTemperature < self.__minTemperature:
self.__message += str(
round(self.__minTemperature - currentTemperature,
1)) + "*C below minimum temperature.\n"
if currentTemperature > self.__maxTemperature:
self.__message += str(
round(currentTemperature - self.__maxTemperature,
1)) + "*C above maximum temperature.\n"
if currentHumidity < self.__minHumidity:
self.__message += str(
round(self.__minHumidity - currentHumidity,
1)) + "% below minimum humidity.\n"
if currentHumidity > self.__maxHumidity:
self.__message += str(
round(currentHumidity - self.__maxHumidity,
1)) + "% above maximum humidity.\n"
def sendMessage(self):
"""
Sends a meessage via Pushbullet with the values of the global variable __head and __message
Once sent prints a string on the commandline of the contents of the message being sent
"""
#set the head and body of the notification that is to be sent then send it
self.__notifier.setMessageHead(self.__head)
self.__notifier.setMessageBody(self.__message)
self.__notifier.sendMessage()
#print the contents of the message sent on the command line
print("*********************************")
print("* NOTIFICATION SENT *")
print("*********************************")
print(str(self.__head))
print("\n" + str(self.__message))
class Report:
def __init__(self):
self.__database = Database()
self.__monitor = Monitor()
self.__minTemperature = self.__monitor.getMinTemperature()
self.__maxTemperature = self.__monitor.getMaxTemperature()
self.__minHumidity = self.__monitor.getMinHumidity()
self.__maxHumidity = self.__monitor.getMaxHumidity()
self.__arrayOfDates = self.__database.getDates()
self.__avgTemperature = None
self.__avgHumidity = None
self.__status = "some status"
self.__message = "some message"
def getDates(self):
return (self.__arrayOfDates)
def setAvgTemperature(self, date):
self.__avgTemperature = self.__database.getAvgTemperature(str(date))
def getAvgTemperature(self, date):
self.setAvgTemperature(date)
return (self.__avgTemperature)
def setAvgHumidity(self, date):
self.__avgHumidity = self.__database.getAvgHumidity(str(date))
def getAvgHumidity(self, date):
self.setAvgHumidity(date)
return (self.__avgHumidity)
def getStatus(self):
if self.__avgTemperature < self.__minTemperature or self.__avgTemperature > self.__maxTemperature or self.__avgHumidity < self.__minHumidity or self.__avgHumidity > self.__maxHumidity:
self.__status = "BAD!"
return (self.__status)
else:
self.__status = "OK!"
return (self.__status)
def getMessage(self, status):
self.__message = status + " "
if self.__avgTemperature < self.__minTemperature:
self.__message += str(
round(self.__minTemperature - self.__avgTemperature,
1)) + "*C below minimum temperature: "
if self.__avgTemperature > self.__maxTemperature:
self.__message += str(
round(self.__avgTemperature - self.__maxTemperature,
1)) + "*C above maximum temperature: "
if self.__avgHumidity < self.__minHumidity:
self.__message += str(
round(self.__minHumidity - self.__avgHumidity,
1)) + "% below minimum humidity: "
if self.__avgHumidity > self.__maxHumidity:
self.__message += str(
round(self.__avgHumidity - self.__maxHumidity,
1)) + "% above maximum humidity: "
return (self.__message)
