dbapi.py

#!/usr/bin/python
# coding: utf-8
import sqlite3
import json
from horario import Horario
# Handle hours and date
from datetime import datetime, timedelta,date
from datetime import time as tm
from pytz import timezone
import pytz
import locale
from time import time,localtime,strftime
# This should be tied to a configuration file:
locale.setlocale(locale.LC_ALL,'es_AR.utf8')
#import sys
#sys.path.append('/home/lean/arena/10cur4')
#from manager import ManageAppointments

class ActivityRegister(object):
    """
    This class is intended to create an object to handle the activity register in database.
    """
    def __init__(self,
		database,
		activity,
		initHour,
		endHour=None,
		quota='1'):
        self.database = database
        self.activity = activity
        if type(initHour) is str:
            print("Oh sia")
            self.initHour = initHour
        else:
            self.initHour = dateTime2Epoch(initHour)
            initHour = self.initHour
        self.endHour  = endHour
        self.quota    = quota
        # Try if the appointment exists:
        try:
            areg = getActivityRegister(database,activity)
            ar = json.loads(getActivityRegister(database,activity)[1])
            ar['horarios'][initHour] # Esto es muy importante, se explica por la linea de arriba.
        except KeyError as e:
            objetoHorario = self.loadReg()
            print("Un horario a las {} no existe, sera creado..".format(initHour))
            objetoHorario.addAppointment(initHour,endHour,quota=quota)
            try:
                # Because we added one new initHour, need to write it to database
                self.writeDatabase(objetoHorario)
                # Update this object with database values <- This caused a bug
                # when used from class ManageAppointments, when initHour was
                # a new value to add. It seems that it was copied from other
                # method of this class. Calling __init__ from __init__ when
                # used from a super class caused a AtributeError.
                #self.__init__(self.database,self.activity,self.initHour)
                areg = getActivityRegister(database,activity)
                ar = json.loads(getActivityRegister(database,activity)[1])
            except AttributeError as e:
                raise e
            except Exception as e:
                #"Failed trying to write to database"
                raise e
            areg = getActivityRegister(database,activity)
            ar = json.loads(getActivityRegister(database,activity)[1])
        except TypeError as e:
            print("La actividad {} no existe, sera creada...".format(activity))
            createActivityRegister(database,activity,initHour,endHour,quota=quota)
            areg = getActivityRegister(database,activity)
            ar = json.loads(getActivityRegister(database,activity)[1])

        self.endHour      = ar['horarios'][initHour][0]
        self.quota        = ar['horarios'][initHour][1]
        self.participants = ar['horarios'][initHour][2]
        self.description  = areg[3]
        self.vCalendar    = areg[4]
        self.name         = areg[0]
        self.defaultQuota = areg[2]

    def reportAvailableAppointments(self, onDay = None, untilDay = None,
                                   humanOutput = False):
      """onDay is expected to be a datetime object """
      print("DEBUG: onDay = {}".format(onDay))
      if onDay is None: # For today
        fromTimeEpoch = time() # From now on
        toTimeEpoch   = formatDate((date.today() + timedelta(1)).timetuple()[0:5])[2]
      else:             # Or any other day
        #fromTimeEpoch = formatDate(onDay.timetuple()[0:5])[2]
        fromTimeEpoch = dateTime2Epoch(onDay)
      if untilDay is not None:
#        toTimeEpoch = formatDate((untilDay + timedelta(1)).timetuple()[0:5])[2]
        toTimeEpoch = dateTime2Epoch(untilDay)
      else:
        toTimeEpoch = fromTimeEpoch + 86400 # plus one day in seconds

#      first get the initHours for the day
      print("And the activity is: {}".format(self.activity))
      appointmentsHours = list(json.loads(getActivityRegister(self.database,self.activity)[1])['horarios'].keys())
      print(appointmentsHours)
      appointmentsHours.sort()
      appointmentsForTheday = [ap for ap in  appointmentsHours if float(ap) > fromTimeEpoch and float(ap) < toTimeEpoch]
      print(appointmentsForTheday)
      if humanOutput is True:
          if len(appointmentsForTheday) == 0:
              reply = "" #The neutro element for string concatenation hehe
          else: 
              print("entra al humanOutput")
              magic = datetime.fromtimestamp
              appss = [magic(float(x)).strftime("%c").rstrip('00 ').rstrip(':') for x in appointmentsForTheday]
              formatedAppss = "*{}:*\n".format(self.activity)
              for date in appss:
                  formatedAppss += date + '\n'
              print(formatedAppss)
              reply = formatedAppss
      else:
          reply = appointmentsForTheday
      return reply

    def mkAppointment(self,participants):
        """
        Make the appointment for the self.activity and the given telephone number
        """
        return self.update(participants=participants)

    def rawReport(self):
        """Outputs all users and its data
        in a given activity at an initHour
        Returns:
          (activity,initHour),["name1, credits1 @
          expireDate1","name2, credits2 @ expireDate2",...,"nameN, creditsN @ expireDateN"]
        """
        sortedPeople = list()
        people  = self.getParticipantsName()
        people.sort(key=lambda vence: vence.name)   # sort by name
        for c in people:
            sortedPeople.append(c.name+", "+c.credits+" @ "+c.expDate.rstrip(' ')+" ("+c.phone+")") #ACA ver que hacer con repr(c.expDate)
        initHourEpoch = formatDate(localtime(float(self.initHour))[0:5])[0:2]
        #datetime(y,m,d,h,mi,s).strftime("%c").decode('utf-8')
        rawData = ('{},{}'.format(self.activity,initHourEpoch),sortedPeople) # a tuple with string and other string
        return rawData

    def howMuch(self):
        return len(self.participants)

    def periodReport(self, period):
        """Expects an iterable with valid initHours on it. 'period' is
        day,week,month in the language defined"""
        today             = date.today()
        todayEpoch        = formatDate(today.timetuple()[0:5])[2]
        todayAtZeroAM     = datetime.combine(today,tm(0,0))
        todayAtZeroAME    = formatDate(todayAtZeroAM.timetuple()[0:5])[2]
        tomorrowAtZeroAM  = todayAtZeroAM + timedelta(days=1)
        tomorrowAtZeroAME = formatDate(tomorrowAtZeroAM.timetuple()[0:5])[2]
        lastWeek          = todayAtZeroAM - timedelta(days=7)
        lastWeekEpoch     = formatDate(lastWeek.timetuple()[0:5])[2]
        lastMonth         = todayAtZeroAM - timedelta(days=30)
        lastMonthEpoch    = formatDate(lastMonth.timetuple()[0:5])[2]

        # The next line is very criptic, but it really gets the job done:
        appointmentsHours = json.loads(getActivityRegister(self.database,self.activity)[1])['horarios'].keys()
        if period is "mensual":
            timeRange = [ihs for ihs in appointmentsHours if float(ihs) > lastMonthEpoch and float(ihs) < todayEpoch]
            reportList = ['Reporte mensual:']
        if period is "semanal":
            timeRange = [ihs for ihs in appointmentsHours if float(ihs) > lastWeekEpoch and float(ihs) < todayAtZeroAME]
            reportList = ['Reporte semanal:']
        if period is "diario":
            timeRange = [ihs for ihs in appointmentsHours if float(ihs) > todayAtZeroAME and float(ihs) < tomorrowAtZeroAME]
            reportList = ['Reporte del día:']

        for initHour in timeRange:
            ar = ActivityRegister(self.database, self.activity, initHour)
            reportList.append(ar.rawReport())
        return reportList,timeRange


    def update(self,
        endHour=None,
        quota='1',
        participants=None,
        description=None,
        vCalendar=None):
        """Method to update any value from activity.
        Optional params:
        endHour,
        quota,
        participants (If phone numbers are given with the '-' sign, they will be
        deleted),
        description,
        vCalendar.
        """
        # Update endHour and quota:
        if endHour == None:
            if hasattr(self,'endHour'):
               endHour = self.endHour
        else:
            self.endHour = endHour
        if quota   == '1':
            if hasattr(self,'quota'):
               quota = self.quota
        else:
            self.quota = quota
        #
        objetoHorario = self.loadReg()
        # Modify temporarly Horario object with updated values, except for participants
        if hasattr(self,'participants'):
            objetoHorario.addAppointment(self.initHour,endHour,quota,self.participants)
        else:
            objetoHorario.addAppointment(self.initHour,endHour,quota)

        if participants is not None:
            delParticipants = []
            addParticipants = []
            if type(participants) is str:
                if participants.startswith('-'):
                    # create remove
                     delParticipants = participants.strip('-')
                elif participants.isdigit():
                    # create Add
                    addParticipants = participants
                else:
                    print("Participant is not a valid telephon number")
            elif type(participants) is list:
                # Create a list with numbers to remove from participants:
                delParticipants = set([item.strip('-') for item in participants if item.startswith('-')])
                # Create a list with numbers to add to participants:
                addParticipants = set([item for item in participants if item.isdigit()])
            # Remove participants
            message = objetoHorario.removeParticipant(self.initHour,delParticipants)
            # Add participants
            message = objetoHorario.addParticipant(self.initHour,addParticipants)
        # Now that everything was done this auxiliary Horario object, dump it to DDDBB:
        # Write to database
        self.writeDatabase(objetoHorario,description=description,vCalendar=vCalendar)
        # Update this object with database values
        print("En tioria se grabo la database, y el mje es:{}".format(message))
        if type(self.initHour) is str: # TODO: check if self is a
                                       # ManageAppointment instance, instead
            self.__init__(self.database,self.activity,self.initHour)
        else:
            from datetime import datetime
            magic = datetime.fromtimestamp
            print(type(self.initHour))
            self.__init__(self.database,self.activity,magic(float(self.initHour)))
        return message
#END of def update
    def cancelAppointment(self, participants):
        """Method to cancel the appointment of 'participants' from the current initHour"""
        # TODO: ACA SEGUIR el problema es que tengo que construir correctamente el objeto horario
        # sin perder información para poder borrar sòlo los participantes.
        objetoHorario = self.loadReg()
        # Remove participants
        objetoHorario.removeParticipant(self.initHour,participants)
        # Write to database
        self.writeDatabase(objetoHorario)
        # Update object with database values
        self.__init__(self.database,self.activity,self.initHour)

    def remove(self,participants=None,initHour=None):
        """
        Method to remove participants, OR erase all information for a given initHour
        """
        #Me parece un bug que initHour no checkee por None
        if (participants or initHour) is None:
           return
        objetoHorario = Horario(self.name, self.initHour,self.endHour,self.quota,self.participants)
        if (participants is not None and initHour is not None):
            return
            print("You can not use this method this way. You can delete either participants of the current initHour OR all information of a given initHour, not both.")
        if participants is not None:
            objetoHorario.removeParticipant(self.initHour,participants)
            # Write to database
            self.writeDatabase(objetoHorario)
            # Update object with database values
            self.__init__(self.database,self.activity,self.initHour)
        if initHour is not None: # 'Erase' all information from activity at initHour
            objetoHorario = Horario(self.name,self.initHour,'')
            description=''
            vCalendar  =''
            # Write to database
            self.writeDatabase(objetoHorario,description=description,vCalendar=vCalendar)
            # Update object with database values
            self.__init__(self.database,self.activity,self.initHour)

    def deleteInitHour(self):
        """
        Method to delete the appointment at the self.initHour for the self.activity
        """
        objetoHorario = self.loadReg()
        # Remove participants
        answer = objetoHorario.deleteAppointment(self.initHour) # TODO: take into account
	# that if the appointment had somebody subscribed to, it should at least warn the
	# admin, or mesage the numbers in the list.
        reply = "Se eliminó la actividad {} a las {}".format(self.activity, self.initHour)
        # Write to database
        self.writeDatabase(objetoHorario)
        # Update object with database values
        self.__init__(self.database,self.activity,None) # None initHour given because it was deleted
        return reply


    def writeDatabase(self,
                  objetoHorario,
              description=None,
              vCalendar=None):
        """
        Useful method that only writes to DDBB
        """
        horariosJSON  = json.dumps(objetoHorario, default=jdefault)
        print("A grabar la database!!!!!!!!!!!!!!")
        try:
            db = sqlite3.connect(self.database)
            cursor = db.cursor()
            # Aca va un update only horario column.
            cursor.execute(
            '''UPDATE activityCalendar SET horarios = ? WHERE act = ? ''', (horariosJSON, self.activity))
            message = "Message: {}, ".format(horariosJSON)
            if description is not None:
                cursor.execute(
                '''UPDATE activityCalendar SET description = ? WHERE act = ? ''', (description, self.activity))
                message += "{}, ".format(description)
                self.description = description
            if vCalendar is not None:
                cursor.execute(
                '''UPDATE activityCalendar SET vCalendar = ? WHERE act = ? ''', (vCalendar, self.activity))
                message += "{}, ".format(vCalendar)
                self.vCalendar = vCalendar
            message += "added to {}".format(self.activity)
            db.commit()
        except sqlite3.IntegrityError as e:
            db.rollback()
            raise e
        except sqlite3.OperationalError as e:
            db.rollback()
            raise e
        finally:
            locals()
            cursor.close()


    def loadReg(self):
      """Method that creates an Horario object from current activity and database data"""
      areg = getActivityRegister(self.database,self.activity)
      horarios = json.loads(getActivityRegister(self.database,self.activity)[1])
      h = horarios['horarios']
      # Get all keys from 'horarios'
      keys = list(h.keys())
      # Get the first key and create the object
      key = keys.pop()
      objetoHorario = Horario(self.activity, key, h[key][0], h[key][1], h[key][2])
      # Next, get all other keys and populate the object with data from ddbb
      while len(keys)>0:
         key = keys.pop()
         objetoHorario.addAppointment(key,h[key][0], h[key][1], h[key][2])
      return objetoHorario

    def getParticipantsName(self):
      """Get all names and expire date from participants, from current database""" #and current initHour,activity
      creditsObj = list()
      for phone in self.participants:
          phoneNumber, name, activityCreditsExpire, vCard = getUserRegister(self.database,phone) 
          activityDict = json.loads(activityCreditsExpire)
          credits,expDate = activityDict[self.activity].split('@')
          creditsObj.append(VencimientosCreditos(name,float(expDate),credits,phoneNumber))
      return creditsObj

    def getName(self,phoneNumber):
       return getUserRegister(self.database,phoneNumber)


def createVcard(name,phone):
   """Create vcard formated string with name (given and family) and phoneNumber given"""
   import vobject
   j = vobject.vCard()
   j.add('n')
   [nombrePila,apellido] = name.split(' ')
   j.n.value = vobject.vcard.Name( family=apellido, given=nombrePila )
   j.add('fn')
   j.fn.value = name
   j.add('tel')
   j.tel.value = phone
   return j.serialize()


def createUserRegisterFromVCard(database,vCard,activity=None,credit=None,expDate=None):
   import vobject
#   if (activity or credit) is not None: return "You must give both values: activity and credits. Or you can give nither of them"
   vcObj = vobject.readOne(vCard)
   name  = vcObj.contents['fn'][0].value
   phonedata = vcObj.contents['tel'][0].value
   phone = phonedata.lstrip('+').replace(' ','').replace('-','') #Not very elegant, but ...
   createUserRegisterDB(database,
            phone,
            name,
            activity,
            credit,
            vCard,
            expDate)

def createHumanDate(day,month,hour,mins):
   """Create an epoch datetime from date and time given in a non standard way"""
#	datetime.datetime(2016,8,02,18,18,18).strftime("%A %d %B %Y")
#	'martes 02 agosto 2016
# IMPORTANT: The locale should be already set by now. i.e. locale.setlocale(locale.LC_ALL,'es_AR.utf8')
# ABANDONADA esta parte del código, para hacer algo mucho mas KISS
   import locale
   import datetime
   import time
   import calendar
   daysOfTheWeek = map(lambda d: d.lower(), list(calendar.day_name))
   if dayNumber is None:
      dayNumber = None


def createActivityRegister(
        database,
        activity,
        initHour=None,
        endHour=None,
        quota='1',
        description=None,
        vCalendar=None):
    """
    Creo una entrada en la tabla con 'activity' y un horario.
    En cada tabla de actividad puedo agregar mas de un horario, por ejemplo: 
    lunes 18:30, lunes 20:30, martes 9:00, miercoles 13:00
    quota: Cantidad maxima de participantes permitida por horario (a las 13hs pueden
    8 pero a las 16hs pueden ser 20)
    TODO: Pasar los dias de la semana a minusculas siempre. Asegurar
    formato am/pm y/o formato 24hs para pm. Probablemente
    eso es en una capa superior. 
    """
    # Construyo el objeto tipo Horario:
    objetoHorario = Horario(activity,initHour,endHour,quota) 
    #print(objetoHorario.__dict__)
    horarios      = json.dumps(objetoHorario, default=jdefault)
    try:
        db = sqlite3.connect(database)
        cursor = db.cursor()
        cursor.execute(
        '''INSERT INTO activityCalendar(act, horarios, quota, description, vCalendar)
         VALUES(?,?,?,?,?)''', (activity, horarios, quota, description, vCalendar))
        print("DEBUG: Register %s, %s, %s, %s , %s added"% (activity, horarios, quota, description, vCalendar))
        db.commit()
    except sqlite3.IntegrityError as e:
        db.rollback()
        print("Existing record...")
        print(e) # Son necesarios los raise?, por las dudas lo saque para que no falle.
    except sqlite3.OperationalError as e:
        db.rollback()
        print("DEBUG: Diferenciar el tipo de error")
        raise e
    finally:
        cursor.close()


def modifyActivityRegister(
		database,
		activity,
		initHour,
		endHour=None,
		quota='1',
		participants=None,
		description=None,
		vCalendar=None):
    """
	Modifico algun valor de la tabla
	Horarios, cantidad maxima de participantes (quota)
	TODO: Chequear la integridad (formato) de los datos antes de guardar.
	horarios: "{'Dia':'(HoraComienzo,HoraFin,participants,quota),(HoraComienzo2,HoraFin2,participants,quota2),...)'}"
	horarios incluye la cantidad maxima de participantes  y lista de inscriptos (telefonos)
	Dia, HoraComienzo, horaFin, quota: Are UTF-8 strings
	participants is a set, including telephoneNumber's participants
	Dia: lunes|martes|... en minusculas.
	Hora: HH:MM
    """
    # Primero tengo que obtener de la base de datos, lo que haya
    activityRegister = getActivityRegister(database, activity)
    if activityRegister[0] == activity:
        # Luego transformalo en un objeto clase Horario
        horarios = json.loads(activityRegister[1])
        h = horarios['horarios']
        for key in h.keys():
            objetoHorario = Horario(activity, key, h[key][0], h[key][1], h[key][2])
            #print("dentro el for")
            #print(h[key][2])
            #print(objetoHorario.horarios[key][2])
            # Recupero los valores para no pisarlos despues (solo el que modifica)
            if initHour == key:
                participantsReg = objetoHorario.horarios[key][2]
                #print("aca")
                #print objetoHorario.horarios
                #print(participantsReg)
                if participants is not None:
                    #print("New participants, but recovering old ones: {}".format(participantsReg))
                    ##print(participantsReg)
                    participantsReg.update(participants)
            if endHour     == None:
                endHour = objetoHorario.horarios[key][0]
            if quota       == '1':
                quota = objetoHorario.horarios[key][1]
        else:
            print("Appointment {key} is not going to be modified".format(key))
        #print("{}, {}, {}, {}".format(key, h[key][0],h[key][1],participantsReg))

        # Ya tengo el objeto, ahora puedo actualizarlo:
        objetoHorario.addAppointment(initHour,endHour,quota, participantsReg)
        horariosJSON  = json.dumps(objetoHorario, default=jdefault)
        #print(horariosJSON)
    else:
        return "Message: Not such activity defined"
    try:
        db = sqlite3.connect(database)
        cursor = db.cursor()
        # Aca va un update only horario column.
        cursor.execute(
        '''UPDATE activityCalendar SET horarios = ? WHERE act = ? ''', (horariosJSON, activity))
        message = "Message: {}, ".format(horariosJSON)
        if description is not None:
            cursor.execute(
            '''UPDATE activityCalendar SET description = ? WHERE act = ? ''', (description, activity))
            message += "{}, ".format(description)
        if vCalendar is not None:
            cursor.execute(
            '''UPDATE activityCalendar SET vCalendar = ? WHERE act = ? ''', (vCalendar, activity))
            message += "{}, ".format(vCalendar) 
        message += "added to {}".format(activity) 
        db.commit()
    except sqlite3.IntegrityError as e:
        db.rollback()
        raise e
    except sqlite3.OperationalError as e:
        db.rollback()
        raise e
    finally:
        cursor.close()
    return message

def addActivityParticipant(
		database,
		activity,
		initHour,
		telephone):
    return modifyActivityParticipant(database,activity,initHour,telephone)

def getActivitiesNames(database):
    """
    Return all activities' names.
    return: str with all activities' names
    """
    db     = sqlite3.connect(database)
    cursor = db.cursor()
    c      = cursor.execute('SELECT * FROM activityCalendar')
    activities = list()
    for register in c.fetchall():      # TODO: This is very ram consuming...
        activities.append(register[0]) # Try other approach
    return activities


def getActivityRegister(database, activity):
	db = sqlite3.connect(database)
	actividad= (activity,) # Safe way to retrieve data from database
	cursor = db.cursor()
	lista = cursor.execute('SELECT * FROM activityCalendar WHERE act=?',actividad).fetchone()
	cursor.close()
	return lista # I could return data as: Name, activity (n credits expire on 'expireDate')


def createAppointmentDB(database):
    """
        Database's name should be related to the client's market
        Creates a database with: phone, name, activityCreditExpireDate, vCard
	Phone number should include international code
    """
    try:
        db = sqlite3.connect(database)
        # Get a cursor object
        cursor = db.cursor()
        cursor.execute('''
            CREATE TABLE IF NOT EXISTS cuentaUsuarios(phone TEXT PRIMARY KEY, 
            name TEXT, activityCreditExpire TEXT, vCard TEXT)
            ''')
	# En principio solo uso act y horarios. En horarios guardo un json serializando un objeto clase Horarios
        cursor.execute('''
            CREATE TABLE IF NOT EXISTS activityCalendar(act TEXT PRIMARY KEY, 
            horarios TEXT, quota TEXT, description TEXT, vCalendar TEXT)
            ''')
        db.commit()
    except Exception as e:
        # Roll back any change if something goes wrong
        db.rollback()
        raise e
    finally:
        # Close the connection database
        cursor.close()


def createUserRegisterDB(
    database=None,
    phone=None,
    name=None,
    activity=None,
    credit=None,
    vCard=None,
    expDate=None):
    """
    activity, credit and the expire date is stored
    in a Dictionary using activity as string key.
    Credit and ExpireDate will be stored as  should be as credit@expireDate.
    expireDate will be calculated on fly when credits are added.
    Example: '{"act1" : "cred1@date1", "act2" : "cred2@date2", "act3" : ... }'
    expDate should be in a defined format (for example: DD-MM-YYYY)
    """
    if vCard is not None:
        vCard = vCard.encode('utff-8')

    db = sqlite3.connect(database)
    # Get a cursor object
    cursor = db.cursor()
    if not activity == None:
        # Expire date
        if expDate == None:
            expDate = str(time() + 2628000)  #2628000 secs in a month 365.0/12
        else:
            print("TODO: Check if date is in the defined format DD-MM-YYYY, and convert it to epoch time")

        # Format activity, credits, expDate:
        if credit == None: credit = 0 # We have activity but credit was not a given parameter, so make it zero
        creditAtDate = '@'.join((credit,expDate))
        dictActivity = {activity: creditAtDate}
        activityCreditExpire = json.dumps(dictActivity)
    else:
        activityCreditExpire = activity # None
    try:
        t = (phone, name, activityCreditExpire, vCard)
        cursor.execute('''INSERT INTO cuentaUsuarios(phone, name, activityCreditExpire, vCard)
                       VALUES(?,?,?,?)''', t)
        db.commit()
        print("Register %s, %s, %s, %s added"% t)
    except sqlite3.IntegrityError as e:
        db.rollback()
        return "WARNING: Phone number {} already exists! Nothing done.".format(phone)
        #raise e
    except sqlite3.OperationalError as e:
        db.rollback()
        print(e)
        raise e
    finally:
        cursor.close()
    return "New Register Done..."

def getUserRegister(database,phoneNumber):
   """Returns (phone, name, activityCreditsExpire,vCard) from database"""
   try:
       t = (phoneNumber,)
       db = sqlite3.connect(database) 
       cursor = db.cursor()
       c = cursor.execute('SELECT * FROM cuentaUsuarios WHERE phone=?', t)
       fetchedData = c.fetchone()
   except Exception as e:
       # Roll back any change if something goes wrong, is this really necesary
       # if I'm only reading from database?
       db.rollback()
       raise e
   finally:
       cursor.close()
   return fetchedData # Should I return data as: Name, activity (n credits expire on 'expireDate')? 


def humanActivityCreditsExpire(activityCreditsExpire):
   """Will give you a dictionary with the activity as the key, and a tuple with credits and expire date
   in human format. The input param must have the output format of getUserRegister for activityCredditsExpire"""
   activitiesAndCreditsExpireDatesDictionary = dict()
   activityCreditsExpireDict = json.loads(activityCreditsExpire)
   for activity in activityCreditsExpireDict:
      credits,expireDate = activityCreditsExpireDict[activity].split('@')
      activityCreditsExpireDict[activity] = (credits,formatDate(localtime(float(expireDate))[0:5])[1])
   return activityCreditsExpireDict


def modifyRegisterCredit(database, phoneNumber, activity, newCredits, name=None, vCard=None):
    """
    This function can be used to add new fields or update existing ones.
    When adding new credits, it updates for 1 month the expire date.
    TODO: Take into account the type of each field (credits should be an int, ...)
    """
    # First I get the whole register using that phone number
    (phone, name, activityCreditsExpire,vCard) = getUserRegister(database,phoneNumber)
    # Get activities' list
    if not activityCreditsExpire == None:
        print("tipo %s y valor: %s" % (type(activityCreditsExpire),activityCreditsExpire))
        activityDict= json.loads(activityCreditsExpire)
        (credits, oldExpireDate) = activityDict[activity].split('@')
    else:
        activityDict = {}
        credits = newCredits

	#######   Create new expire date if adding credits
    if int(newCredits) > 0: # When adding new credits, update expire date of credits
        expireDate = repr(time() + 2628000)  # Next month (30 days + 10 hs.) at this time in epoch format
    else:
        expireDate = oldExpireDate # Don't modify expire date because we are not adding new credits
	#######

	# Get credits and activity's phoneNumber)
	# Find activity
    if activity in activityDict: # update only credits
        credits = str( int(credits) + int(newCredits) ).encode('utf-8')

    activityDict[activity] = '@'.join((credits,expireDate))
    fechaHumana = strftime("%d %b %Y", localtime(float(expireDate)))
    print("En {0} tiene {1} creditos hasta el {2} inclusive".format(activity, credits, fechaHumana))
    # Now update register with new credit and activity data
    try:
        db = sqlite3.connect(database)
        cursor = db.cursor()
        cursor.execute('''UPDATE cuentaUsuarios SET activityCreditExpire = ? WHERE phone = ? ''',
             (json.dumps(activityDict), phone))
        db.commit()
    except Exception as e:
        # Roll back any change if something goes wrong
        db.rollback()
        raise e
    finally:
        cursor.close()


#db = sqlite3.connect('j1rn4s10')
# Get a cursor object
#cursor = db.cursor()

#cursor.execute('''SELECT phone, name, activityCreditExpire FROM cuentaUsuarios''')
#user1 = cursor.fetchone() #retrieve the first row
#print(user1[0]) #Print the first column retrieved(user's name)
#all_rows = cursor.fetchall()
#for row in all_rows:
#    # row[0] returns the first column in the query (name), row[1] returns email column.
#      print('{0} : {1}, {2}'.format(row[0], row[1], row[2]))

def jdefault(o):
	if isinstance(o, set):
		return list(o)
	return o.__dict__

# https://docs.python.org/2/library/datetime.html#strftime-and-strptime-behavior
def formatDate(timeTuple):
   """ Returns a tuple with the hour in HH:MM (AM|PM) format, 
   Locale’s appropriate date and time representation (e.g. Mon Sep 30 07:06:05 2013)
   and seconds since the epoch in localtime if date is also given as parameter.
   """
   import datetime          #Read the docs: https://docs.python.org/2/library/datetime.html
   from time import mktime  #Read the docs: https://docs.python.org/2/library/time.html#module-time
   horaFecha     = None
   Fecha_str = None
   year,month,day,hour,minute =timeTuple
   if (day or month or year) is not None:
      t        = datetime.datetime.combine(datetime.datetime(year,month,day),
					   datetime.time(hour,minute))
      Fecha_str = t.strftime("%A %d %B %Y")
      horaFecha = mktime(t.timetuple())
   hora_str = datetime.time(hour,minute).strftime("%H:%M%p")
   return (hora_str,Fecha_str,horaFecha)

def dateTime2EpochString(datetimeObj):
    from time import mktime
    return str(int(mktime(datetimeObj.timetuple())))

def dateTime2Epoch(datetimeObj):
    from time import mktime
    return mktime(datetimeObj.timetuple())


class HandleDateTime(datetime):
    def __init__(self,ano,mes,dia,hora=0,minuto=0):
        print(datetime.ctime(datetime(ano,mes,dia,hora,minuto)))


class VencimientosCreditos:
   def __init__(self,name,epochDate,credits,phone):
      self.name      = name
      self.credits   = credits
      self.epochDate = float(epochDate)
      self.phone     = phone
      y,m,d,h,mi,s    = localtime(self.epochDate)[0:6]
      #expireAndNames[epochDate] = name+','+'@'.join((credits,self.expDate.)
      self.expDate   = datetime(y,m,d,h,mi,s).strftime("%c").decode('utf-8')
   def __repr__(self):
      return repr((self.name, self.credits, self.expDate,self.phone))


# TODO: Crear un metodo para obtener todas las initHour a partir de un rango dado. DONE periodReport 
# TODO: Crear un método que construya el initHour a partir de datos humanos (lunes 18:00hs, por ej.) DONE formatDate

# TODO: Crear método que ofrezca turnos disponibles, del dia corriente, o del día indicado por parámetro. DONE reportAvailableAppointments