+
−#!/usr/bin/python2.5
+
−#
+
−# Copyright 2008 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 editing and examining User profiles.
+
−"""
+
−
+
−__authors__ = [
+
−  '"Pawel Solyga" <pawel.solyga@gmail.com>',
+
−  ]
+
−
+
−
+
−from google.appengine.api import users
+
−
+
−from django import forms
+
−from django import http
+
−from django.utils.translation import ugettext_lazy
+
−
+
−from soc.logic import models
+
−from soc.logic import out_of_band
+
−from soc.logic import validate
+
−from soc.logic.site import id_user
+
−from soc.views import helper
+
−from soc.views import simple
+
−from soc.views.helper import decorators
+
−
+
−import soc.logic
+
−import soc.models.user
+
−import soc.views.helper.forms
+
−import soc.views.helper.requests
+
−import soc.views.helper.responses
+
−
+
−
+
−class UserForm(helper.forms.DbModelForm):
+
−  """Django form displayed when creating or editing a User.
+
−  """
+
−  class Meta:
+
−    """Inner Meta class that defines some behavior for the form.
+
−    """
+
−    #: db.Model subclass for which the form will gather information
+
−    model = soc.models.user.User
+
−    
+
−    #: list of model fields which will *not* be gathered by the form
+
−    exclude = ['id', 'former_ids', 'is_developer']
+
−  
+
−  def clean_link_name(self):
+
−    link_name = self.cleaned_data.get('link_name')
+
−    if not validate.isLinkNameFormatValid(link_name):
+
−      raise forms.ValidationError("This link name is in wrong format.")
+
−
+
−    user = id_user.getUserFromLinkName(link_name)
+
−
+
−    if user and not id_user.doesLinkNameBelongToId(link_name, user.id):
+
−      raise forms.ValidationError("This link name is already in use.")
+
−
+
−    return link_name
+
−
+
−
+
−DEF_USER_PROFILE_EDIT_TMPL = 'soc/user/profile/edit.html'
+
−
+
−SUBMIT_MSG_PARAM_NAME = 's'
+
−
+
−SUBMIT_MESSAGES = (
+
−  ugettext_lazy('Profile saved.'),
+
−)
+
−
+
−SUBMIT_MSG_PROFILE_SAVED = 0
+
−
+
−SUBMIT_PROFILE_SAVED_PARAMS = {
+
−  SUBMIT_MSG_PARAM_NAME: SUBMIT_MSG_PROFILE_SAVED,
+
−}
+
−
+
−@decorators.view
+
−def edit(request, page=None, link_name=None, 
+
−         template=DEF_USER_PROFILE_EDIT_TMPL):
+
−  """View for a User to modify the properties of a User Model entity.
+
−
+
−  Args:
+
−    request: the standard django request object
+
−    page: a soc.logic.site.page.Page object which is abstraction that combines 
+
−      a Django view with sidebar menu info
+
−    link_name: the User's site-unique "link_name" extracted from the URL
+
−    template: the template path to use for rendering the template
+
−
+
−  Returns:
+
−    A subclass of django.http.HttpResponse which either contains the form to
+
−    be filled out, or a redirect to the correct view in the interface.
+
−  """
+
−  id = users.get_current_user()
+
−
+
−  # create default template context for use with any templates
+
−  context = helper.responses.getUniversalContext(request)
+
−
+
−  if (not id) and (not link_name):
+
−    # not logged in, and no link name, so request that the user sign in 
+
−    return simple.requestLogin(request, page, template, context,
+
−        # TODO(tlarsen): /user/profile could be a link to a help page instead
+
−        login_message_fmt=ugettext_lazy('To create a new'
+
−                          ' <a href="/user/profile">User Profile</a>'
+
−                          ' or modify an existing one, you must first'
+
−                          ' <a href="%(sign_in)s">sign in</a>.'))
+
−
+
−  if (not id) and link_name:
+
−    # not logged in, so show read-only public profile for link_name user
+
−    return simple.public(request, page=page, template=template, 
+
−                         link_name=link_name, context=context)
+
−
+
−  link_name_user = None
+
−
+
−  # try to fetch User entity corresponding to link_name if one exists
+
−  try:
+
−    if link_name:
+
−      link_name_user = id_user.getUserFromLinkNameOr404(link_name)
+
−  except out_of_band.ErrorResponse, error:
+
−    # show custom 404 page when link name doesn't exist in Datastore
+
−    return simple.errorResponse(request, page, error, template, context)
+
−  
+
−  # link_name_user will be None here if link name was already None...
+
−  if link_name_user and (link_name_user.id != id):
+
−    # link_name_user exists but is not the currently logged in Google Account,
+
−    # so show public view for that (other) User entity
+
−    return simple.public(request, page=page, template=template, 
+
−                         link_name=link_name, context=context)
+
−
+
−  if request.method == 'POST':
+
−    form = UserForm(request.POST)
+
−
+
−    if form.is_valid():
+
−      new_link_name = form.cleaned_data.get('link_name')
+
−      properties = {
+
−        'link_name': new_link_name,
+
−        'nick_name': form.cleaned_data.get("nick_name"),
+
−        'id': id,
+
−      }
+
−
+
−      user = models.user.logic.updateOrCreateFromFields(properties, 
+
−                                                        email=id.email())
+
−
+
−      # redirect to new /user/profile/new_link_name?s=0
+
−      # (causes 'Profile saved' message to be displayed)
+
−      return helper.responses.redirectToChangedSuffix(
+
−          request, link_name, new_link_name, params=SUBMIT_PROFILE_SAVED_PARAMS)
+
−  else: # request.method == 'GET'
+
−    # try to fetch User entity corresponding to Google Account if one exists
+
−    user = models.user.logic.getFromFields(email=id.email())
+
−
+
−    if user:
+
−      # is 'Profile saved' parameter present, but referrer was not ourself?
+
−      # (e.g. someone bookmarked the GET that followed the POST submit) 
+
−      if (request.GET.get(SUBMIT_MSG_PARAM_NAME)
+
−          and (not helper.requests.isReferrerSelf(request,
+
−                                                  suffix=link_name))):
+
−        # redirect to aggressively remove 'Profile saved' query parameter
+
−        return http.HttpResponseRedirect(request.path)
+
−    
+
−      # referrer was us, so select which submit message to display
+
−      # (may display no message if ?s=0 parameter is not present)
+
−      context['notice'] = (
+
−          helper.requests.getSingleIndexedParamValue(
+
−              request, SUBMIT_MSG_PARAM_NAME, values=SUBMIT_MESSAGES))
+
−
+
−      # populate form with the existing User entity
+
−      form = UserForm(instance=user)
+
−    else:
+
−      if request.GET.get(SUBMIT_MSG_PARAM_NAME):
+
−        # redirect to aggressively remove 'Profile saved' query parameter
+
−        return http.HttpResponseRedirect(request.path)
+
−
+
−      # no User entity exists for this Google Account, so show a blank form
+
−      form = UserForm()
+
−
+
−  context['form'] = form
+
−  return helper.responses.respond(request, template, context)
+
−
+
−
+
−@decorators.view
+
−def create(request, page=None, template=DEF_USER_PROFILE_EDIT_TMPL):
+
−  """create() view is same as edit() view, but with no link_name supplied.
+
−  """
+
−  return edit(request, page=page, link_name=None, template=template)