~azzar1/unity/add-show-desktop-key

# IVLE - Informatics Virtual Learning Environment

# Copyright (C) 2007-2009 The University of Melbourne

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

from storm.locals import Store

from ivle.database import (

    Enrolment, Offering, ProjectSet, Project, Semester, Subject, User)

from ivle.webapp import ApplicationRoot

from ivle.webapp.publisher import ROOT

from ivle.webapp.publisher.decorators import forward_route, reverse_route

@forward_route(ApplicationRoot, argc=1)

def root_to_user(root, segment):

    if not segment.startswith('~'):

        return None

    return User.get_by_login(root.store, segment[1:])

@forward_route(ApplicationRoot, 'subjects', argc=1)

def root_to_subject(root, name):

    return root.store.find(Subject, short_name=name).one()

@forward_route(ApplicationRoot, '+semesters', argc=2)

def root_to_semester(root, year, semester):

    return root.store.find(Semester, year=year, semester=semester).one()

@forward_route(Subject, argc=2)

def subject_to_offering(subject, year, semester):

    return subject.offering_for_semester(year, semester)

@forward_route(Offering, '+projects', argc=1)

def offering_to_project(offering, name):

    return Store.of(offering).find(Project,

                                   Project.short_name == name,

                                   Project.project_set_id == ProjectSet.id,

                                   ProjectSet.offering == offering).one()

@forward_route(Offering, '+projectsets', argc=1)

def offering_to_projectset(offering, name):

    try:

        ps_id = int(name)

    except ValueError:

        return None

    return Store.of(offering).find(ProjectSet,

                                   ProjectSet.id == ps_id,

                                   ProjectSet.offering == offering).one()

@forward_route(Offering, '+enrolments', argc=1)

def offering_to_enrolment(offering, login):

    return Store.of(offering).find(Enrolment,

                                   Enrolment.offering == offering,

                                   Enrolment.user_id == User.id,

                                   User.login == login).one()

@reverse_route(User)

def user_url(user):

    return (ROOT, '~' + user.login)

@reverse_route(Subject)

def subject_url(subject):

    return (ROOT, ('subjects', subject.short_name))

@reverse_route(Semester)

def semester_url(semester):

    return (ROOT, ('+semesters', semester.year, semester.semester))

@reverse_route(Offering)

def offering_url(offering):

    return (offering.subject, (offering.semester.year,

                               offering.semester.semester))

@reverse_route(ProjectSet)

def projectset_url(project_set):

    return (project_set.offering, ('+projectsets', str(project_set.id)))

@reverse_route(Project)

def project_url(project):

    return (project.project_set.offering, ('+projects', project.short_name))

@reverse_route(Enrolment)

def enrolment_url(enrolment):

    return (enrolment.offering, ('+enrolments', enrolment.user.login))