##
## interfaces.py
from zope.interface import Interface
from zope import schema
from waeup.sirp.interfaces import IWAeUPObject

class IStudent(IWAeUPObject):
    """Representation of a student.
    """
    student_id = schema.TextLine(
        title = u'Student Id',
        default = u'None',
        required = True,
        )

    name = schema.TextLine(
        title = u'Name of student',
        default = u'Nobody',
        required = True,
        )


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

    """

    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.
        """