+
−#!/usr/bin/python2.5
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−#
+
−# Copyright 2008 the Melange authors.
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−#
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−# Licensed under the Apache License, Version 2.0 (the "License");
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−# you may not use this file except in compliance with the License.
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−# You may obtain a copy of the License at
+
−#
+
−#   http://www.apache.org/licenses/LICENSE-2.0
+
−#
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−# Unless required by applicable law or agreed to in writing, software
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+
−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−
+
−"""Views for editing and examining User profiles.
+
−"""
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−
+
−__authors__ = [
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−  '"Pawel Solyga" <pawel.solyga@gmail.com>',
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−  ]
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−
+
−
+
−from google.appengine.api import users
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−
+
−from django import forms
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−from django import http
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−from django.utils.translation import ugettext_lazy
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−
+
−from soc.logic import models
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−from soc.logic import out_of_band
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−from soc.logic import validate
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−from soc.logic.site import id_user
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−from soc.views import helper
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−from soc.views import simple
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−from soc.views.helper import decorators
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−
+
−import soc.logic
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−import soc.models.user
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−import soc.views.helper.forms
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−import soc.views.helper.requests
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−import soc.views.helper.responses
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−
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−
+
−class UserForm(helper.forms.BaseForm):
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−  """Django form displayed when creating or editing a User.
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−  """
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−  class Meta:
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−    """Inner Meta class that defines some behavior for the form.
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−    """
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−    #: db.Model subclass for which the form will gather information
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−    model = soc.models.user.User
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−    
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−    #: list of model fields which will *not* be gathered by the form
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−    exclude = ['id', 'former_ids', 'is_developer']
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−  
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−  def clean_link_name(self):
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−    link_name = self.cleaned_data.get('link_name')
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−    if not validate.isLinkNameFormatValid(link_name):
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−      raise forms.ValidationError("This link name is in wrong format.")
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−
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−    user = id_user.getUserFromLinkName(link_name)
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−
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−    if user and not id_user.doesLinkNameBelongToId(link_name, user.id):
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−      raise forms.ValidationError("This link name is already in use.")
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−
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−    return link_name
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−
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−
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−DEF_USER_PROFILE_EDIT_TMPL = 'soc/user/profile/edit.html'
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−
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−SUBMIT_MSG_PARAM_NAME = 's'
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−
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−SUBMIT_MESSAGES = (
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−  ugettext_lazy('Profile saved.'),
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−)
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−
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−SUBMIT_MSG_PROFILE_SAVED = 0
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−
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−SUBMIT_PROFILE_SAVED_PARAMS = {
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−  SUBMIT_MSG_PARAM_NAME: SUBMIT_MSG_PROFILE_SAVED,
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−}
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−
+
−@decorators.view
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−def edit(request, page=None, link_name=None, 
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−         template=DEF_USER_PROFILE_EDIT_TMPL):
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−  """View for a User to modify the properties of a User Model entity.
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−
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−  Args:
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−    request: the standard django request object
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−    page: a soc.logic.site.page.Page object which is abstraction that combines 
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−      a Django view with sidebar menu info
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−    link_name: the User's site-unique "link_name" extracted from the URL
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−    template: the template path to use for rendering the template
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−
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−  Returns:
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−    A subclass of django.http.HttpResponse which either contains the form to
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−    be filled out, or a redirect to the correct view in the interface.
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−  """
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−  id = users.get_current_user()
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−
+
−  # create default template context for use with any templates
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−  context = helper.responses.getUniversalContext(request)
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−
+
−  if (not id) and (not link_name):
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−    # not logged in, and no link name, so request that the user sign in 
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−    return simple.requestLogin(request, page, template, context,
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−        # TODO(tlarsen): /user/profile could be a link to a help page instead
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−        login_message_fmt=ugettext_lazy(
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−            'To create a new <a href="/user/profile">User Profile</a>'
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−            ' or modify an existing one, you must first'
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−            ' <a href="%(sign_in)s">sign in</a>.'))
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−
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−  if (not id) and link_name:
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−    # not logged in, so show read-only public profile for link_name user
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−    return simple.public(request, page=page, template=template, 
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−                         link_name=link_name, context=context)
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−
+
−  link_name_user = None
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−
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−  # try to fetch User entity corresponding to link_name if one exists
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−  try:
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−    if link_name:
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−      link_name_user = id_user.getUserFromLinkNameOr404(link_name)
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−  except out_of_band.ErrorResponse, error:
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−    # show custom 404 page when link name doesn't exist in Datastore
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−    return simple.errorResponse(request, page, error, template, context)
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−  
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−  # link_name_user will be None here if link name was already None...
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−  if link_name_user and (link_name_user.id != id):
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−    # link_name_user exists but is not the currently logged in Google Account,
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−    # so show public view for that (other) User entity
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−    return simple.public(request, page=page, template=template, 
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−                         link_name=link_name, context=context)
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−
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−  if request.method == 'POST':
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−    form = UserForm(request.POST)
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−
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−    if form.is_valid():
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−      new_link_name = form.cleaned_data.get('link_name')
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−      properties = {
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−        'link_name': new_link_name,
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−        'nick_name': form.cleaned_data.get("nick_name"),
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−        'id': id,
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−      }
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−
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−      key_fields = {'email': id.email()}
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−      user = models.user.logic.updateOrCreateFromFields(properties, 
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−                                                        key_fields)
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−
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−      # redirect to new /user/profile/new_link_name?s=0
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−      # (causes 'Profile saved' message to be displayed)
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−      return helper.responses.redirectToChangedSuffix(
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−          request, link_name, new_link_name, params=SUBMIT_PROFILE_SAVED_PARAMS)
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−  else: # request.method == 'GET'
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−    # try to fetch User entity corresponding to Google Account if one exists
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−    user = models.user.logic.getFromFields(email=id.email())
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−
+
−    if user:
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−      # is 'Profile saved' parameter present, but referrer was not ourself?
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−      # (e.g. someone bookmarked the GET that followed the POST submit) 
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−      if (request.GET.get(SUBMIT_MSG_PARAM_NAME)
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−          and (not helper.requests.isReferrerSelf(request,
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−                                                  suffix=link_name))):
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−        # redirect to aggressively remove 'Profile saved' query parameter
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−        return http.HttpResponseRedirect(request.path)
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−    
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−      # referrer was us, so select which submit message to display
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−      # (may display no message if ?s=0 parameter is not present)
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−      context['notice'] = (
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−          helper.requests.getSingleIndexedParamValue(
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−              request, SUBMIT_MSG_PARAM_NAME, values=SUBMIT_MESSAGES))
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−
+
−      # populate form with the existing User entity
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−      form = UserForm(instance=user)
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−    else:
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−      if request.GET.get(SUBMIT_MSG_PARAM_NAME):
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−        # redirect to aggressively remove 'Profile saved' query parameter
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−        return http.HttpResponseRedirect(request.path)
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−
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−      # no User entity exists for this Google Account, so show a blank form
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−      form = UserForm()
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−
+
−  context['form'] = form
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−  return helper.responses.respond(request, template, context)
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−
+
−
+
−@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)