#!/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 responses

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['edit'] = ['checkIsDeveloper'] # TODO who should be able to edit this?

    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:

      fields['link_id'] = 't%i' %(int(time.time()*100))

    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)