#!/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 Organization App profiles.

"""

__authors__ = [

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

  ]

import os

from django import forms

from django.utils import simplejson

from soc.logic import accounts

from soc.logic import cleaning

from soc.logic import dicts

from soc.logic import mail_dispatcher

from soc.logic import models as model_logic

from soc.logic.models import program as program_logic

from soc.logic.models import org_app as org_app_logic

from soc.views import helper

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 group_app

from soc.views.models import program as program_view

class View(group_app.View):

  """View methods for the Organization Application 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['edit'] = [('checkCanEditGroupApp',

                       [org_app_logic.logic]),

                       ('checkIsActivePeriod', ['org_signup', 'scope_path'])]

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

    rights['list_self'] = ['checkIsUser']

    rights['public'] = [('checkCanEditGroupApp',

                       [org_app_logic.logic])]

    rights['review'] = ['checkIsHostForProgramInScope',

                        ('checkCanReviewGroupApp', [org_app_logic.logic])]

    rights['review_overview'] = ['checkIsHostForProgramInScope']

    rights['bulk_accept'] = ['checkIsHostForProgramInScope']

    rights['bulk_reject'] = ['checkIsHostForProgramInScope']

    rights['apply'] = ['checkIsUser',

                             ('checkCanCreateOrgApp', ['org_signup']),

                       'checkIsNotStudentForProgramInScope']

    new_params = {}

    new_params['rights'] = rights

    new_params['logic'] = org_app_logic.logic

    new_params['scope_view'] = program_view

    new_params['scope_redirect'] = redirects.getCreateRedirect

    new_params['sidebar_grouping'] = 'Organizations'

    patterns = [(r'^%(url_name)s/(?P<access_type>apply)/%(scope)s$',

        'soc.views.models.%(module_name)s.create',

        'Create an %(name_plural)s'),

        (r'^%(url_name)s/(?P<access_type>bulk_accept)/%(scope)s$',

        'soc.views.models.%(module_name)s.bulk_accept',

        'Bulk Acceptation of %(name_plural)s'),

        (r'^%(url_name)s/(?P<access_type>bulk_reject)/%(scope)s$',

        'soc.views.models.%(module_name)s.bulk_reject',

        'Bulk Rejection of %(name_plural)s'),]

    new_params['extra_django_patterns'] = patterns

    new_params['extra_key_order'] = ['admin_agreement',

                                     'agreed_to_admin_agreement']

    new_params['extra_dynaexclude'] = ['applicant', 'backup_admin', 'status',

        'created_on', 'last_modified_on']

    new_params['create_extra_dynaproperties'] = {

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

                                             required=True),

        'contrib_template': forms.fields.CharField(

            widget=helper.widgets.FullTinyMCE(

                attrs={'rows': 25, 'cols': 100})),

        'admin_agreement': forms.fields.Field(required=False,

            widget=widgets.AgreementField),

        'agreed_to_admin_agreement': forms.fields.BooleanField(

            initial=False, required=True),

        'clean_ideas': cleaning.clean_url('ideas'),

        'clean': cleaning.validate_new_group('link_id', 'scope_path',

            model_logic.organization, org_app_logic)}

    # get rid of the clean method

    new_params['edit_extra_dynaproperties'] = {

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

    new_params['name'] = "Organization Application"

    new_params['name_plural'] = "Organization Applications"

    new_params['name_short'] = "Org App"

    new_params['url_name'] = "org_app"

    new_params['group_name'] = "Organization"

    new_params['group_url_name'] = 'org'

    new_params['review_template'] = 'soc/org_app/review.html'

    new_params['accepted_mail_template'] = 'soc/org_app/mail/accepted.html'

    new_params['rejected_mail_template'] = 'soc/org_app/mail/rejected.html'

    params = dicts.merge(params, new_params)

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

  @ decorators.merge_params

  def reviewOverview(self, request, access_type,

               page_name=None, params=None, **kwargs):

    """View that allows to see organization application review overview.

       For Args see base.View.public().

    """

    params['list_template'] = 'soc/org_app/review_overview.html'

    context = {

        'bulk_accept_link': '/org_app/bulk_accept/%(scope_path)s' % (kwargs),

        'bulk_reject_link': '/org_app/bulk_reject/%(scope_path)s' % (kwargs),}

    return super(View, self).reviewOverview(request, access_type,

        page_name=page_name, params=params, context=context, **kwargs)

  def _editContext(self, request, context):

    """See base.View._editContext.

    """

    entity = context['entity']

    form = context['form']

    if 'scope_path' in form.initial:

      scope_path = form.initial['scope_path']

    elif 'scope_path' in request.POST:

      # TODO: do this nicely

      scope_path = request.POST['scope_path']

    else:

      # TODO: is this always sufficient?

      del form.fields['admin_agreement']

      return

    entity = program_logic.logic.getFromKeyName(scope_path)

    if not entity or not entity.org_admin_agreement:

      return

    content = entity.org_admin_agreement.content

    form.fields['admin_agreement'].widget.text = content

  def _review(self, request, params, app_entity, status, **kwargs):

    """Sends out an email if an org_app has been accepted or rejected.

    For params see group_app.View._review().

    """

    if status == 'accepted' or status == 'rejected':

      default_sender = mail_dispatcher.getDefaultMailSender()

      if not default_sender:

        # no default sender abort

        return

      else:

        (sender_name, sender) = default_sender

      # construct the contents of the email

      user_entity = app_entity.applicant

      to = accounts.denormalizeAccount(user_entity.account).email()

      context = {'sender': sender,

              'to': to,

              'sender_name': sender_name,

              'to_name': user_entity.name,

              'program_name': app_entity.scope.name}

      if status == 'accepted':

        # use the accepted template and subject

        template = params['accepted_mail_template']

        context['subject'] = 'Congratulations!'

        context['HTTP_host'] = os.environ['HTTP_HOST']

      elif status == 'rejected':

        # use the rejected template and subject

        template = params['rejected_mail_template']

        context['subject'] = 'Thank you for your application'

      # send out the constructed email

      mail_dispatcher.sendMailFromTemplate(template, context)

  @decorators.merge_params

  @decorators.check_access

  def bulkAccept(self, request, access_type,

               page_name=None, params=None, **kwargs):

    """Returns a HTTP Response containing JSON information needed

       to bulk-accept orgs.

    """

    program_keyname = kwargs['scope_path']

    return self._bulkReview(request, params, 'pre-accepted', 'accepted',

        program_keyname)

  @decorators.merge_params

  @decorators.check_access

  def bulkReject(self, request, access_type,

               page_name=None, params=None, **kwargs):

    """Returns a HTTP Response containing JSON information needed

       to bulk-accept orgs.

    """

    program_keyname = kwargs['scope_path']

    return self._bulkReview(request, params, 'pre-rejected', 'rejected',

                            program_keyname)

  def _bulkReview(self, request, params, from_status, to_status,

                  program_keyname):

    """Returns a HTTP Response containing JSON information needed

       to bulk-review organization applications.

       Args:

         request: Standard Django HTTP Request object

         params: Params for this view

         from_status: The status for the applications which should

                      be reviewed (can be a list)

         to_status: The status to which all applications should be changed to

         program_keyname: The keyname for the program to which

                          the application belongs

    """

    # get the program entity from the keyname

    program_entity = program_logic.logic.getFromKeyName(program_keyname)

    # get all the organization applications for the 

    # given program and from_status

    filter = {'scope': program_entity,

              'status': from_status}

    org_app_entities = params['logic'].getForFields(filter=filter)

    # convert each application into a dictionary containing only the fields

    # given by the dict_filter

    dict_filter = ['link_id', 'name']

    org_apps = [dicts.filter(i.toDict(), dict_filter) for i in org_app_entities]

    to_json = {

        'program' : program_entity.name,

        'nr_applications' : len(org_apps),

        'application_type' : params['name_plural'],

        'applications': org_apps,

        'link' : '/%s/review/%s/(link_id)?status=%s' %(

            params['url_name'] ,program_entity.key().name(), to_status),

        }

    json = simplejson.dumps(to_json)

    # use the standard JSON template to return our response

    context = {'json': json}

    template = 'soc/json.html'

    return responses.respond(request, template, context)

view = View()

admin = decorators.view(view.admin)

bulk_accept = decorators.view(view.bulkAccept)

bulk_reject = decorators.view(view.bulkReject)

create = decorators.view(view.create)

delete = decorators.view(view.delete)

edit = decorators.view(view.edit)

list = decorators.view(view.list)

list_self = decorators.view(view.listSelf)

public = decorators.view(view.public)

export = decorators.view(view.export)

review = decorators.view(view.review)

review_overview = decorators.view(view.reviewOverview)