#!/usr/bin/python2.5

#

# Copyright 2009 the Melange authors.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#   http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

"""Views for Student Project.

"""

__authors__ = [

    '"Lennard de Rijk" <ljvderijk@gmail.com>',

  ]

import time

from django import forms

from soc.logic import cleaning

from soc.logic import dicts

from soc.logic.models import mentor as mentor_logic

from soc.logic.models import student as student_logic

from soc.views.helper import access

from soc.views.helper import decorators

from soc.views.helper import redirects

from soc.views.helper import widgets

from soc.views.models import base

from soc.views.models import organization as org_view

import soc.logic.models.student_project

class View(base.View):

  """View methods for the Student Project model.

  """

  def __init__(self, params=None):

    """Defines the fields and methods required for the base View class

    to provide the user with list, public, create, edit and delete views.

    Params:

      params: a dict with params for this View

    """

    rights = access.Checker(params)

    rights['create'] = ['checkIsDeveloper']

    rights['delete'] = ['checkIsDeveloper']

    rights['show'] = ['allow']

    rights['list'] = ['checkIsDeveloper']

    new_params = {}

    new_params['logic'] = soc.logic.models.student_project.logic

    new_params['rights'] = rights

    new_params['name'] = "Student Project"

    new_params['url_name'] = "student_project"

    new_params['sidebar_grouping'] = 'Students'

    new_params['scope_view'] = org_view

    new_params['scope_redirect'] = redirects.getCreateRedirect

    new_params['no_create_with_key_fields'] = True

    new_params['extra_dynaexclude'] = ['program', 'status', 'link_id',

                                       'mentor', 'student']

    new_params['create_extra_dynaproperties'] = {

        'scope_path': forms.CharField(widget=forms.HiddenInput,

            required=True),

        'student_id': forms.CharField(label='Student Link ID',

            required=True),

        'mentor_id': forms.CharField(label='Mentor Link ID',

            required=True),

        'clean_student': cleaning.clean_link_id('student'),

        'clean_mentor': cleaning.clean_link_id('mentor'),

        'clean_additional_info': cleaning.clean_url('additional_info'),

        'clean': cleaning.validate_new_student_project('scope_path',

            'mentor_id', 'student_id')

        }

    new_params['edit_extra_dynaproperties'] = {

        'student_id': forms.CharField(label='Student Link ID',

            widget=widgets.ReadOnlyInput),

        'mentor_id': forms.CharField(label='Mentor Link ID',

            widget=widgets.ReadOnlyInput),

        'link_id': forms.CharField(widget=forms.HiddenInput),

        'clean': (lambda x: x.cleaned_data)

        }

    # TODO(ljvderijk) OrgAdmins should be able to assign another Mentor

    params = dicts.merge(params, new_params)

    super(View, self).__init__(params=params)

  def _editGet(self, request, entity, form):

    """See base.View._editGet().

    """

    form.fields['link_id'].initial = entity.link_id

    form.fields['student_id'].initial = entity.student.link_id

    form.fields['mentor_id'].initial = entity.mentor.link_id

    return super(View, self)._editGet(request, entity, form)

  def _editPost(self, request, entity, fields):

    """See base.View._editPost().

    """

    if not entity:

    else:

      fields['link_id'] = entity.link_id

    # fill in the scope via call to super

    super(View, self)._editPost(request, entity, fields)

    if not entity:

      # creating a new project so set the program, student and mentor field

      fields['program'] = fields['scope'].scope

      filter = {'scope': fields['program'],

                'link_id': fields['student_id']}

      fields['student'] = student_logic.logic.getForFields(filter, unique=True)

      filter = {'scope': fields['scope'],

                'link_id': fields['mentor_id'],

                'status': 'active'}

      fields['mentor'] = mentor_logic.logic.getForFields(filter, unique=True)

view = View()

admin = decorators.view(view.admin)

create = decorators.view(view.create)

delete = decorators.view(view.delete)

edit = decorators.view(view.edit)

list = decorators.view(view.list)

public = decorators.view(view.public)

export = decorators.view(view.export)

pick = decorators.view(view.pick)