source: main/waeup.sirp/trunk/src/waeup/sirp/students/interfaces.py @ 7165

##
## interfaces.py
import re
from datetime import datetime
from zope.interface import Attribute, invariant, Interface
from zope.interface.exceptions import Invalid
from zope import schema
from waeup.sirp.interfaces import IWAeUPObject, academic_sessions_vocab
from waeup.sirp.schema import TextLineChoice
from waeup.sirp.university.vocabularies import CourseSource, study_modes
from waeup.sirp.students.vocabularies import (
  CertificateSource, academic_sessions_vocab, verdicts, StudyLevelSource,
  contextual_reg_num_source, contextual_mat_num_source, GenderSource,
  )
from waeup.sirp.payments.interfaces import IPaymentsContainer, IOnlinePayment

# Define a valiation method for email addresses
class NotAnEmailAddress(schema.ValidationError):
    __doc__ = u"Invalid email address"

check_email = re.compile(
    r"[a-zA-Z0-9._%-]+@([a-zA-Z0-9-]+.)*[a-zA-Z]{2,4}").match
def validate_email(value):
    if not check_email(value):
        raise NotAnEmailAddress(value)
    return True

class IStudentsUtils(Interface):
    """A collection of methods which are subject to customization.

    """
    def get_payment_details(category, student):
        """Get the payment dates of a student for the payment category
        specified.

        """

    def get_accommodation_details(student):
        """Determine the accommodation dates of a student.

        """

    def select_bed(available_beds):
        """Select a bed from a list of available beds.

        In the standard configuration we select the first bed found,
        but can also randomize the selection if we like.
        """

    def render_pdf(view, subject='', filename='slip.pdf',):
        """Render pdf slips for various pages.

        """

class IStudentsContainer(IWAeUPObject):
    """A students container contains university students.

    """
    def addStudent(student):
        """Add an IStudent object and subcontainers.

        """

    def archive(id=None):
        """Create on-dist archive of students.

        If id is `None`, all students are archived.

        If id contains a single id string, only the respective
        students are archived.

        If id contains a list of id strings all of the respective
        students types are saved to disk.
        """

    def clear(id=None, archive=True):
        """Remove students of type given by 'id'.

        Optionally archive the students.

        If id is `None`, all students are archived.

        If id contains a single id string, only the respective
        students are archived.

        If id contains a list of id strings all of the respective
        student types are saved to disk.

        If `archive` is ``False`` none of the archive-handling is done
        and respective students are simply removed from the
        database.
        """

class IStudentNavigation(IWAeUPObject):
    """Interface needed for student navigation.

    """
    def getStudent():
        """Return student object.

        """

class IStudentBase(IWAeUPObject):
    """Representation of student base data.

    """
    history = Attribute('Object history, a list of messages')
    state = Attribute('Returns the registration state of a student')
    password = Attribute('Encrypted password of a student')
    certificate = Attribute('The certificate of any chosen study course')
    current_session = Attribute('The current session of the student')

    def loggerInfo(ob_class, comment):
        """Adds an INFO message to the log file.

        """

    student_id = schema.TextLine(
        title = u'Student ID',
        required = False,
        )

    fullname = schema.TextLine(
        title = u'Full Name',
        default = None,
        required = True,
        )

    sex = schema.Choice(
        title = u'Sex',
        source = GenderSource(),
        default = u'm',
        required = True,
        )

    reg_number = TextLineChoice(
        title = u'Registration Number',
        default = None,
        required = True,
        readonly = False,
        source = contextual_reg_num_source,
        )

    matric_number = TextLineChoice(
        title = u'Matriculation Number',
        #default = u'',
        required = False,
        readonly = False,
        source = contextual_mat_num_source,
        )

    adm_code = schema.TextLine(
        title = u'PWD Activation Code',
        default = u'',
        required = False,
        readonly = True,
        )

    email = schema.ASCIILine(
        title = u'Email',
        required = False,
        constraint=validate_email,
        )
    phone = schema.Int(
        title = u'Phone',
        description = u'Enter phone number with country code and without spaces.',
        required = False,
        )

class IStudentClearance(IWAeUPObject):
    """Representation of student clearance data.

    """
    date_of_birth = schema.Date(
        title = u'Date of Birth',
        required = True,
        )

    clearance_locked = schema.Bool(
        title = u'Clearance form locked',
        default = False,
        )

    clr_code = schema.TextLine(
        title = u'CLR Activation Code',
        default = u'',
        required = False,
        readonly = True,
        )

class IStudentPersonal(IWAeUPObject):
    """Representation of student personal data.

    """
    perm_address = schema.Text(
        title = u'Permanent Address',
        required = False,
        )

class IStudent(IStudentBase,IStudentClearance,IStudentPersonal):
    """Representation of a student.

    """

class IStudentUpdateByRegNo(IStudent):
    """Representation of a student. Skip regular reg_number validation.

    """
    reg_number = schema.TextLine(
        title = u'Registration Number',
        default = None,
        required = False,
        )

class IStudentUpdateByMatricNo(IStudent):
    """Representation of a student. Skip regular matric_number validation.

    """
    matric_number = schema.TextLine(
        title = u'Matriculation Number',
        default = None,
        required = False,
        )

class IStudentStudyCourse(IWAeUPObject):
    """A container for student study levels.

    """
    certificate = schema.Choice(
        title = u'Certificate',
        source = CertificateSource(),
        default = None,
        required = True,
        )


    entry_mode = schema.Choice(
        title = u'Entry Mode',
        vocabulary = study_modes,
        default = u'ug_ft',
        required = True,
        readonly = False,
        )

    entry_session = schema.Choice(
        title = u'Entry Session',
        source = academic_sessions_vocab,
        default = datetime.now().year,
        required = True,
        readonly = False,
        )

    current_session = schema.Choice(
        title = u'Current Session',
        source = academic_sessions_vocab,
        default = None,
        required = True,
        readonly = False,
        )

    current_level = schema.Choice(
        title = u'Current Level',
        source = StudyLevelSource(),
        default = None,
        required = False,
        readonly = False,
        )

    current_verdict = schema.Choice(
        title = u'Current Verdict',
        source = verdicts,
        default = '0',
        required = False,
        )

    previous_verdict = schema.Choice(
        title = u'Previous Verdict',
        source = verdicts,
        default = '0',
        required = False,
        )

class IStudentStudyCourseImport(IStudentStudyCourse):
    """A container for student study levels.

    """
    current_level = schema.Int(
        title = u'Current Level',
        default = None,
        )

class IStudentStudyLevel(IWAeUPObject):
    """A container for course tickets.

    """
    level = Attribute('The level code')
    validation_date = Attribute('The date of validation')
    validated_by = Attribute('User Id of course adviser')

    level_session = schema.Choice(
        title = u'Session',
        source = academic_sessions_vocab,
        default = None,
        required = True,
        )

    level_verdict = schema.Choice(
        title = u'Verdict',
        source = verdicts,
        default = '0',
        required = False,
        )

class ICourseTicket(IWAeUPObject):
    """A course ticket.

    """
    code = Attribute('code of the original course')
    title = Attribute('title of the original course')
    credits = Attribute('credits of the original course')
    passmark = Attribute('passmark of the original course')
    semester = Attribute('semester of the original course')
    faculty = Attribute('faculty of the original course')
    department = Attribute('department of the original course')

    core_or_elective = schema.Bool(
        title = u'Mandatory',
        default = False,
        required = False,
        readonly = False,
        )

    score = schema.Int(
        title = u'Score',
        default = 0,
        required = False,
        readonly = False,
        )

    automatic = schema.Bool(
        title = u'Automatical Creation',
        default = False,
        required = False,
        readonly = True,
        )

class ICourseTicketAdd(ICourseTicket):
    """An interface for adding course tickets.

    """
    course = schema.Choice(
        title = u'Course',
        source = CourseSource(),
        readonly = False,
        )

class IStudentAccommodation(IWAeUPObject):
    """A container for student accommodation objects.

    """

class IBedTicket(IWAeUPObject):
    """A ticket for accommodation booking.

    """
    bed = Attribute('The bed object.')

    bed_coordinates = schema.TextLine(
        title = u'Bed Coordinates',
        default = None,
        required = False,
        readonly = False,
        )

    bed_type = schema.TextLine(
        title = u'Bed Type',
        default = None,
        required = False,
        readonly = False,
        )

    booking_session = schema.Choice(
        title = u'Session',
        source = academic_sessions_vocab,
        default = None,
        required = True,
        readonly = True,
        )

    booking_date = schema.Datetime(
        title = u'Booking Date',
        required = False,
        readonly = True,
        )

    booking_code = schema.TextLine(
        title = u'Booking Activation Code',
        default = u'',
        required = False,
        readonly = True,
        )

    def getSessionString():
        """Returns the the title of academic_sessions_vocab term.

        """

class IStudentPaymentsContainer(IPaymentsContainer):
    """A container for student payment objects.

    """

class IStudentOnlinePayment(IOnlinePayment):
    """A student payment via payment gateways.

    """
    p_session = schema.Choice(
        title = u'Payment Session',
        source = academic_sessions_vocab,
        required = False,
        )

IStudentOnlinePayment['p_session'].order = IStudentOnlinePayment[
    'p_item'].order

# Interfaces for students only

class IStudentClearanceEdit(IStudentClearance):
    """Interface needed for restricted editing of student clearance data.

    """

class IStudentPersonalEdit(IStudentPersonal):
    """Interface needed for restricted editing of student personal data.

    """