maincode

# Main file of the Python program.
import csv
def menu():
    #this prints the menu
    print()
    print('STUDENT INFORMATION SYSTEM')
    print('1 - load student data')
    print('2 - create student report')
    print('3 - enter new student details')
    print('4 - exit')
    print()
    choice = int(input('enter the menu number: '))

    #returns the choice to the main program
    return choice

def reportMenu():
    #this prints the report menu
    print()
    print('STUDENT INFORMATION SYSTEM - report generator')
    print('1 - contact details')
    print('2 - personal details')
    print('3 - full report')
    print('4 - back')
    print()
    choice = int(input('enter the menu number: '))

    #returns the choice to the main program
    return choice

class student:
        #common class for students
        loaded = 0

        #defines the parameters of the class
        def __init__(self, number, sname, fname, dob, addr, phone, gend, tutor, email):
                self.number = number
                self.sname = sname
                self.fname = fname
                self.dob = dob
                self.addr = addr
                self.phone = phone
                self.gend = gend
                self.tutor = tutor
                self.email = email

        #produces the contact details in a file
        def contactDetails(self):
                print()
                reportName = self.number + '_' + self.sname + '_cont'
                reportFile = open(reportName + '.txt', 'w')
                print('The contact details for student ' + self.number + ' are: ')
                reportFile.write('The contact details for student ' + self.number + ' are: ' + '\n')
                print('      Address: ' + self.addr)
                reportFile.write('      Address: ' + self.addr + '\n')
                print(' Phone number: ' + self.phone)
                reportFile.write(' Phone number: ' + self.phone + '\n')
                print('Email Address: ' + self.email)
                reportFile.write('Email Address: ' + self.email + '\n')
                reportFile.close()
                print('these details have been written to ' + reportName + '.txt')
                input()

        def personalDetails(self):
                print()
                reportName = self.number + '_' + self.sname + '_pers'
                reportFile = open(reportName + '.txt', 'w')
                print('The personal details for student ' + self.number + ' are: ')
                reportFile.write('The personal details for student ' + self.number + ' are: ' + '\n')
                print('         Name: ' + self.fname + ' ' + self.sname)
                reportFile.write('         Name: ' + self.fname + ' ' + self.sname + '\n')
                print('Date of birth: ' + self.dob)
                reportFile.write('Date of birth: ' + self.dob + '\n')
                print('       Gender: ' + self.gend)
                reportFile.write('       Gender: ' + self.gend + '\n')
                reportFile.close()
                print('these details have been written to ' + reportName + '.txt')
                input()

        def fullReport(self):
                print()
                reportName = self.number + '_' + self.sname + '_full'
                reportFile = open(reportName + '.txt', 'w')
                print('The full details for student ' + self.number + ' are: ')
                reportFile.write('The full details for student ' + self.number + ' are: ' + '\n')
                print('       Number: ' + self.number)
                reportFile.write('       Number: ' + self.number + '\n')
                print('         Name: ' + self.fname + ' ' + self.sname)
                reportFile.write('         Name: ' + self.fname + ' ' + self.sname + '\n')
                print('Date of birth: ' + self.dob)
                reportFile.write('Date of birth: ' + self.dob + '\n')
                print('      Address: ' + self.addr)
                reportFile.write('      Address: ' + self.addr + '\n')
                print(' Phone number: ' + self.phone)
                reportFile.write(' Phone number: ' + self.phone + '\n')
                print('       Gender: ' + self.gend)
                reportFile.write('       Gender: ' + self.gend + '\n')
                print('  Tutor group: ' + self.tutor)
                reportFile.write('  Tutor group: ' + self.tutor + '\n')
                print('Email Address: ' + self.email)
                reportFile.write('Email Address: ' + self.email + '\n')
                reportFile.close()
                print('these details have been written to ' + reportName + '.txt')
                input()


def extractData(studentNumber):
        file = open('students.csv')
        reader = csv.reader(file)
        data = list(reader)
        index = 0
        row = 0
        while studentNumber != index:
                index = data[row][0]
                # variable = array[row number][column number]
                # row and column numbers are 0 indexed, so they start at 0

                if studentNumber != index:
                        row = row + 1
        chosen = student(data[row][0], data[row][1], data[row][2], data[row][3], data[row][4], data[row][5], data[row][6], data[row][7], data[row][8])
        student.loaded = 1
        print('The details of student number ' + studentNumber + ' have been loaded.')
        file.close
        return chosen

        example = int(input('input an example number '))
        loaddata(example)

def writeDataToFile():
        file = open('students.csv')
        reader = csv.reader(file)
        lastrow = sum(1 for row in reader)

        file = open('students.csv')
        reader = csv.reader(file)
        data = list(reader)
        studentNumber = int(data[lastrow - 1][0]) + 1
        print('The new student will be saved as student number ' + str(studentNumber))

        sname = input('enter student surname: ')
        fname = input('enter student forename: ')
        dob = input('enter student birthdate: ')
        addr = input('enter student address: ')
        phone = input('enter student phone number: ')
        gend = input('enter student gender: ')
        tutor = input('enter student tutor group: ')
        email = str(studentNumber) + '@treeroad.sch.uk'
        print('the email address will be ' + email)
        news = student(studentNumber, sname, fname, dob, addr, phone, gend, tutor, email)

        file = open('students.csv', 'a', newline = '')
        writer = csv.writer(file, delimiter = ',')
        writer.writerow([news.number, news.sname, news.fname, news.dob, news.addr, news.phone, news.gend, news.tutor, news.email])
        print()

print('Welcome to the Student Information System')
usern = input("Enter username: ")
print('Welcome ' + usern)
passw = input('Enter password: ')
print('Logged in to system as ' + usern)

state = 0
student.loaded == 0

while (state != 4):
        if state == 0:
                state = menu()
        elif state == 1:
                studentNumber = input('input student number: ')
                chosen = extractData(studentNumber)
                state = 0
        elif state == 2:
                if student.loaded == 1:
                        report = reportMenu()
                        if report == 1:
                                chosen.contactDetails()
                        elif report == 2:
                                chosen.personalDetails()
                        elif report == 3:
                                chosen.fullReport()
                        else:
                                state = 0
                        state = 0
                else:
                        print('no student data has been loaded')
                        state = 0
        elif state == 3:
                chosen = writeDataToFile()
                state = 0
        else:
                state = 0


print('Thanks for using the system.')