blob: fe410764fa7963d2fc282ccb98026f464bf7295a [file] [log] [blame]
# Copyright 2011 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.
"""Module containing the RequestData object that will be created for each
request in the GCI module.
"""
import datetime
from google.appengine.ext import db
from soc.logic import program as program_logic
from soc.logic.exceptions import NotFound
from soc.models.site import Site
from soc.views.helper import request_data
from soc.modules.gci.logic.helper import timeline as timeline_helper
from soc.modules.gci.models.program import GCIProgram
from soc.modules.gci.models import profile as profile_model
from soc.modules.gci.models import organization as org_model
from soc.modules.gci.views.helper import url_names
class TimelineHelper(request_data.TimelineHelper):
"""Helper class for the determination of the currently active period.
see the super class, soc.views.helper.request_data.TimelineHelper
"""
def currentPeriod(self):
"""Return where we are currently on the timeline.
"""
# This is required as a protection against the cases when the
# org apps are not created for the program and hence there is
# no way we can determine if the org app has started.
if self.beforeProgramStart():
return 'kickoff_period'
if self.beforeOrgSignupStart():
return 'kickoff_period'
if self.orgSignup():
return 'org_signup_period'
if self.studentSignup():
return 'student_signup_period'
if self.tasksPubliclyVisible() and self.programActive():
return 'working_period'
return 'offseason'
def nextDeadline(self):
"""Determines the next deadline on the timeline.
"""
if self.beforeOrgSignupStart():
return ("Org Application Starts", self.orgSignupStart())
# we do not have deadlines for any of those programs that are not active
if not self.programActive():
return ("", None)
if self.orgSignup():
return ("Org Application Deadline", self.orgSignupEnd())
if request_data.isBetween(self.orgSignupEnd(), self.orgsAnnouncedOn()):
return ("Accepted Orgs Announced In", self.orgsAnnouncedOn())
if self.orgsAnnounced() and self.beforeStudentSignupStart():
return ("Student Application Opens", self.studentSignupStart())
if self.studentSignup():
return ("Student Application Deadline", self.studentSignupEnd())
if request_data.isBetween(self.tasksPubliclyVisible(),
self.tasksClaimEndOn()):
return ("Tasks Claim Deadline", self.tasksClaimEndOn())
if request_data.isBetween(self.tasksClaimEndOn(), self.stopAllWorkOn()):
return ("Work Submission Deadline", self.stopAllWorkOn())
return ('', None)
def tasksPubliclyVisibleOn(self):
return self.timeline.tasks_publicly_visible
def tasksPubliclyVisible(self):
return request_data.isAfter(self.tasksPubliclyVisibleOn())
def tasksClaimEndOn(self):
return self.timeline.task_claim_deadline
def tasksClaimEnded(self):
return request_data.isAfter(self.tasksClaimEndOn())
def stopAllWorkOn(self):
return self.timeline.stop_all_work_deadline
def allWorkStopped(self):
return request_data.isAfter(self.stopAllWorkOn())
def stopAllReviewsOn(self):
return self.timeline.work_review_deadline
def allReviewsStopped(self):
return request_data.isAfter(self.stopAllReviewsOn())
def winnersAnnouncedOn(self):
return self.timeline.winners_announced_deadline
def winnersAnnounced(self):
return request_data.isAfter(self.winnersAnnouncedOn())
def remainingTime(self):
"""Returns the remaining time in the program a tuple of days, hrs and mins.
"""
end = self.stopAllWorkOn()
return timeline_helper.remainingTimeSplit(end)
def tasksVisibleInTime(self):
"""Returns the remaining time till the tasks are publicly visible to
the students.
"""
end = self.tasksPubliclyVisibleOn()
return timeline_helper.remainingTimeSplit(end)
def completePercentage(self):
"""Computes the remaining time percentage
It is VERY IMPORTANT TO NOTE here that this percentage is between the
task opening date and the date task can be last claimed.
However if the all work stop deadline is set after the task claim date
that will only be visible on per task basis, this percentage would still
return zero.
"""
start = self.tasksPubliclyVisibleOn()
end = self.tasksClaimEndOn()
if not start or not end:
return 0.0
return timeline_helper.completePercentage(start, end)
def stopwatchPercentage(self):
"""Computes the closest matching percentage for the static clock images.
"""
complete_percentage = self.completePercentage()
return timeline_helper.stopwatchPercentage(complete_percentage)
class RequestData(request_data.RequestData):
"""Object containing data we query for each request in the GCI module.
The only view that will be exempt is the one that creates the program.
Fields:
site: The Site entity
user: The user entity (if logged in)
css_path: a part of the css to fetch the GCI specific CSS resources
program: The GCI program entity that the request is pointing to
programs: All GCI programs.
program_timeline: The GCITimeline entity
timeline: A TimelineHelper entity
profile: The GCIProfile entity of the current user
is_host: is the current user a host of the program
is_mentor: is the current user a mentor in the program
is_student: is the current user a student in the program
is_org_admin: is the current user an org admin in the program
org_admin_for: the organizations the current user is an admin for
mentor_for: the organizations the current user is a mentor for
student_info: the StudentInfo for the current user and program
organization: the GCIOrganization for the current url
Raises:
out_of_band: 404 when the program does not exist
"""
def __init__(self, request, args, kwargs):
"""Constructs a new RequestData object.
Args:
request: Django HTTPRequest object.
args: The args that Django sends along with the request.
kwargs: The kwargs that Django sends along with the request.
"""
super(RequestData, self).__init__(request, args, kwargs)
# program wide fields
self._program = self._unset
self._program_timeline = self._unset
self._programs = self._unset
self._org_app = self._unset
self._timeline = self._unset
# user profile specific fields
self._profile = self._unset
self._is_host = self._unset
self._is_mentor = self._unset
self._is_student = self._unset
self._is_org_admin = self._unset
self._org_map = self._unset
self._mentor_for = self._unset
self._org_admin_for = self._unset
self._student_info = self._unset
self._organization = self._unset
@property
def css_path(self):
"""Returns the css_path property."""
if not self._isSet(self._css_path):
self._css_path = 'gci'
return self._css_path
@property
def is_host(self):
"""Returns the is_host field."""
if not self._isSet(self._is_host):
if not self.user:
self._is_host = False
elif 'sponsor' in self.kwargs:
key = db.Key.from_path('Sponsor', self.kwargs.get('sponsor'))
self._is_host = key in self.user.host_for
else:
key = program_logic.getSponsorKey(self.program)
self._is_host = key in self.user.host_for
return self._is_host
@property
def is_mentor(self):
"""Returns the is_mentor field."""
if not self._isSet(self._is_mentor):
if not self.profile:
self._is_mentor = False
else:
self._is_mentor = bool(self.profile.mentor_for) or self.is_org_admin
return self._is_mentor
@property
def is_org_admin(self):
"""Returns the is_org_admin field."""
if not self._isSet(self._is_org_admin):
if not self.profile:
self._is_org_admin = False
else:
self._is_org_admin = bool(self.profile.org_admin_for) or self.is_host
return self._is_org_admin
@property
def is_student(self):
"""Returns the is_student field."""
if not self._isSet(self._is_student):
if not self.profile:
self._is_student = False
else:
self._is_student = bool(profile_model.GCIProfile.student_info \
.get_value_for_datastore(self.profile))
return self._is_student
@property
def mentor_for(self):
"""Returns the mentor_for field."""
if not self._isSet(self._mentor_for):
if self.profile:
self._initOrgMap()
self._mentor_for = self._org_map.values()
else:
self._mentor_for = []
return self._mentor_for
def _getOrganization(self):
"""Returns the organization field."""
if not self._isSet(self._organization):
if self.kwargs.get('organization'):
fields = [
self.program.key().id_or_name(),
self.kwargs.get('organization')]
org_key_name = '/'.join(fields)
self._organization = org_model.GCIOrganization.get_by_key_name(
org_key_name)
if not self._organization:
raise NotFound(
"There is no organization for url '%s'" % org_key_name)
else:
self._organization = None
return self._organization
def _setOrganization(self, organization):
"""Sets the organization field to the specified value."""
self._organization = organization
# TODO(daniel): organization should be immutable. All the parts, which
# actually try to override this value, should be changed
organization = property(_getOrganization, _setOrganization)
@property
def org_admin_for(self):
"""Returns the org_admin_for field."""
if not self._isSet(self._org_admin_for):
if self.profile:
self._initOrgMap()
self._org_admin_for = [
self._org_map[i] for i in self.profile.org_admin_for]
else:
self._org_admin_for = []
return self._org_admin_for
@property
def org_app(self):
"""Returns the org_app field."""
if not self._isSet(self._org_app):
self._getProgramWideFields()
return self._org_app
@property
def program(self):
"""Returns the program field."""
if not self._isSet(self._program):
self._getProgramWideFields()
return self._program
@property
def program_timeline(self):
"""Returns the program_timeline field."""
if not self._isSet(self._program_timeline):
self._getProgramWideFields()
return self._program_timeline
@property
def programs(self):
"""Memorizes and returns a list of all programs."""
if not self._isSet(self._programs):
self._programs = list(GCIProgram.all())
return self._programs
@property
def redirect(self):
"""Returns the redirect helper."""
if not self._isSet(self._redirect):
self._redirect = RedirectHelper(self)
return self._redirect
@property
def student_info(self):
"""Returns the student_info field."""
if not self._isSet(self._student_info):
if not self.is_student:
self._student_info = None
else:
student_info_key = profile_model.GCIProfile.student_info \
.get_value_for_datastore(self.profile)
self._student_info = db.get(student_info_key)
return self._student_info
@property
def profile(self):
"""Returns the profile property."""
if not self._isSet(self._profile):
if not self.user or not self.program:
self._profile = None
else:
key_name = '%s/%s' % (self.program.key().name(), self.user.link_id)
self._profile = profile_model.GCIProfile.get_by_key_name(
key_name, parent=self.user)
pass
return self._profile
@property
def timeline(self):
"""Returns the timeline field."""
if not self._isSet(self._timeline):
self._timeline = TimelineHelper(self.program_timeline, self.org_app)
return self._timeline
def _initOrgMap(self):
"""Initializes _org_map by inserting there all organizations for which
the current user is either a mentor or org admin.
"""
if not self._isSet(self._org_map):
if self.profile:
orgs = db.get(
set(self.profile.mentor_for + self.profile.org_admin_for))
self._org_map = dict((i.key(), i) for i in orgs)
else:
self._org_map = {}
def _getProgramWideFields(self):
"""Fetches program wide fields in a single database round-trip."""
keys = []
# add program's key
if self.kwargs.get('sponsor') and self.kwargs.get('program'):
program_key_name = "%s/%s" % (
self.kwargs['sponsor'], self.kwargs['program'])
program_key = db.Key.from_path('GCIProgram', program_key_name)
else:
program_key = Site.active_program.get_value_for_datastore(self.site)
program_key_name = program_key.name()
keys.append(program_key)
# add timeline's key
keys.append(db.Key.from_path('GCITimeline', program_key_name))
# add org_app's key
org_app_key_name = 'gci_program/%s/orgapp' % program_key_name
keys.append(db.Key.from_path('OrgAppSurvey', org_app_key_name))
self._program, self._program_timeline, self._org_app = db.get(keys)
# raise an exception if no program is found
if not self._program:
raise NotFound("There is no program for url '%s'" % program_key_name)
def getOrganization(self, org_key):
"""Retrieves the specified organization.
"""
self._initOrgMap()
if org_key not in self._org_map:
org = db.get(org_key)
self._org_map[org_key] = org
return self._org_map[org_key]
def orgAdminFor(self, organization):
"""Returns true iff the user is admin for the specified organization.
Organization may either be a key or an organization instance.
"""
if self.is_host:
return True
if isinstance(organization, db.Model):
organization = organization.key()
return organization in [i.key() for i in self.org_admin_for]
def mentorFor(self, organization):
"""Returns true iff the user is mentor for the specified organization.
Organization may either be a key or an organization instance.
"""
if self.is_host:
return True
if isinstance(organization, db.Model):
organization = organization.key()
return organization in [i.key() for i in self.mentor_for]
def _requestQuery(self, organization):
"""Returns a query to retrieve a Request for this user.
"""
if isinstance(organization, db.Model):
organization = organization.key()
from soc.modules.gci.models.request import GCIRequest
query = GCIRequest.all()
query.filter('user', self.user)
query.filter('org', organization)
return query
class RedirectHelper(request_data.RedirectHelper):
"""Helper for constructing redirects.
"""
def document(self, document):
"""Override this method to set GCI specific _url_name.
"""
super(RedirectHelper, self).document(document)
self._url_name = 'show_gci_document'
return self
def homepage(self, program=None):
"""Sets the _url_name for the homepage of the current GCI program.
Args:
program: the link_id of the program for which we need to get the homepage
"""
super(RedirectHelper, self).homepage(program)
self._url_name = 'gci_homepage'
return self
def dashboard(self):
"""Sets the _url_name for dashboard page of the current GCI program.
"""
super(RedirectHelper, self).dashboard()
self._url_name = 'gci_dashboard'
return self
def events(self):
"""Sets the _url_name for the events page, if it is set.
"""
super(RedirectHelper, self).events()
self._url_name = 'gci_events'
return self
def orgHomepage(self, link_id):
"""Sets the _url_name for the specified org homepage
"""
super(RedirectHelper, self).orgHomepage(link_id)
self._url_name = url_names.GCI_ORG_HOME
return self
def request(self, request):
"""Sets the _url_name for a request.
"""
assert request
if request.type == 'Request':
self.userId(request.parent_key().name(), request.key().id())
self._url_name = url_names.GCI_RESPOND_REQUEST
else:
self.id(request.key().id())
self._url_name = url_names.GCI_RESPOND_INVITE
return self
def invite(self, role=None, organization=None):
"""Sets args for an url_patterns.INVITE redirect.
"""
if not role:
assert 'role' in self._data.kwargs
role = self._data.kwargs['role']
self.organization(organization)
self.kwargs['role'] = role
return self
def editProfile(self):
"""Returns the URL for the edit profile page.
"""
self.program()
self._url_name = 'edit_gci_profile'
return self