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source: main/waeup.uniben/trunk/src/waeup/uniben/students/utils.py @ 13621

Last change on this file since 13621 was 13566, checked in by Henrik Bettermann, 9 years ago
Extend DISABLE_PAYMENT_GROUP_DICT.
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[7419]	1	## $Id: utils.py 13566 2016-01-05 08:18:50Z henrik $
	2	##
	3	## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann
	4	## This program is free software; you can redistribute it and/or modify
	5	## it under the terms of the GNU General Public License as published by
	6	## the Free Software Foundation; either version 2 of the License, or
	7	## (at your option) any later version.
	8	##
	9	## This program is distributed in the hope that it will be useful,
	10	## but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	## GNU General Public License for more details.
	13	##
	14	## You should have received a copy of the GNU General Public License
	15	## along with this program; if not, write to the Free Software
	16	## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	17	##
[11773]	18	import grok
[8598]	19	from time import time
[9459]	20	from zope.component import createObject, getUtility
[9513]	21	from waeup.kofa.interfaces import (IKofaUtils,
	22	CLEARED, RETURNING, PAID, REGISTERED, VALIDATED)
[13251]	23	from waeup.kofa.utils.helpers import to_timezone
	24	from waeup.kofa.students.utils import trans
[8821]	25	from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
[8020]	26	from waeup.uniben.interfaces import MessageFactory as _
[6902]	27
[8821]	28	class CustomStudentsUtils(NigeriaStudentsUtils):
[7151]	29	"""A collection of customized methods.
	30
	31	"""
	32
[8270]	33	def getReturningData(self, student):
	34	""" This method defines what happens after school fee payment
[8319]	35	of returning students depending on the student's senate verdict.
[8270]	36	"""
[8319]	37	prev_level = student['studycourse'].current_level
	38	cur_verdict = student['studycourse'].current_verdict
	39	if cur_verdict in ('A','B','L','M','N','Z',):
	40	# Successful student
	41	new_level = divmod(int(prev_level),100)[0]*100 + 100
	42	elif cur_verdict == 'C':
	43	# Student on probation
	44	new_level = int(prev_level) + 10
	45	else:
	46	# Student is somehow in an undefined state.
	47	# Level has to be set manually.
	48	new_level = prev_level
[8270]	49	new_session = student['studycourse'].current_session + 1
	50	return new_session, new_level
	51
[13251]	52
[13248]	53	def checkAccommodationRequirements(self, student, acc_details):
	54	if acc_details.get('expired', False):
	55	startdate = acc_details.get('startdate')
	56	enddate = acc_details.get('enddate')
	57	if startdate and enddate:
	58	tz = getUtility(IKofaUtils).tzinfo
	59	startdate = to_timezone(
	60	startdate, tz).strftime("%d/%m/%Y %H:%M:%S")
	61	enddate = to_timezone(
	62	enddate, tz).strftime("%d/%m/%Y %H:%M:%S")
	63	return _("Outside booking period: ${a} - ${b}",
	64	mapping = {'a': startdate, 'b': enddate})
	65	else:
	66	return _("Outside booking period.")
[13446]	67	if student.current_mode != 'ug_ft':
	68	return _("Only undergraduate full-time students are eligible to book accommodation.")
[13283]	69	bt = acc_details.get('bt')
	70	if not bt:
[13248]	71	return _("Your data are incomplete.")
	72	if not student.state in acc_details['allowed_states']:
	73	return _("You are in the wrong registration state.")
	74	if student['studycourse'].current_session != acc_details[
	75	'booking_session']:
	76	return _('Your current session does not '
	77	'match accommodation session.')
[13283]	78	stage = bt.split('_')[2]
[13510]	79	if stage != 'fr' and not student[
[13522]	80	'studycourse'].previous_verdict in ('A', 'B', 'F', 'J', 'C', 'Z'):
[13283]	81	return _("Your are not eligible to book accommodation.")
[13510]	82	if str(acc_details[
	83	'booking_session']) in student['accommodation'].keys():
[13248]	84	return _('You already booked a bed space in '
	85	'current accommodation session.')
	86	return
[13244]	87
[13295]	88	def getAccommodationDetails(self, student):
	89	"""Determine the accommodation data of a student.
	90	"""
	91	d = {}
	92	d['error'] = u''
	93	hostels = grok.getSite()['hostels']
	94	d['booking_session'] = hostels.accommodation_session
	95	d['allowed_states'] = hostels.accommodation_states
	96	d['startdate'] = hostels.startdate
	97	d['enddate'] = hostels.enddate
	98	d['expired'] = hostels.expired
	99	# Determine bed type
	100	studycourse = student['studycourse']
	101	certificate = getattr(studycourse,'certificate',None)
	102	entry_session = studycourse.entry_session
	103	current_level = studycourse.current_level
	104	if None in (entry_session, current_level, certificate):
	105	return d
	106	end_level = certificate.end_level
	107	if current_level == 10:
	108	bt = 'pr'
	109	elif entry_session == grok.getSite()['hostels'].accommodation_session:
	110	bt = 'fr'
	111	elif current_level >= end_level:
	112	bt = 'fi'
	113	else:
	114	bt = 're'
	115	if student.sex == 'f':
	116	sex = 'female'
	117	else:
	118	sex = 'male'
	119	special_handling = 'regular'
[13499]	120	if student.faccode in ('MED', 'DEN'):
[13296]	121	special_handling = 'clinical'
[13465]	122	elif student.certcode in ('BARTMAS', 'BARTTHR', 'BARTFAA',
[13448]	123	'BAEDFAA', 'BSCEDECHED'):
[13446]	124	special_handling = 'ekenwan'
[13295]	125	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
	126	return d
	127
[9520]	128	def _paymentMade(self, student, session):
	129	if len(student['payments']):
	130	for ticket in student['payments'].values():
	131	if ticket.p_state == 'paid' and \
	132	ticket.p_category == 'schoolfee' and \
	133	ticket.p_session == session:
	134	return True
	135	return False
	136
[13566]	137	def _isPaymentDisabled(self, p_session, category, student):
	138	academic_session = self._getSessionConfiguration(p_session)
	139	if category == 'schoolfee' and \
	140	'sf_all' in academic_session.payment_disabled:
	141	return True
	142	if category == 'hostel_maintenance' and \
	143	'maint_all' in academic_session.payment_disabled:
	144	return True
	145	return False
	146
[13251]	147	#def _hostelApplicationPaymentMade(self, student, session):
	148	# if len(student['payments']):
	149	# for ticket in student['payments'].values():
	150	# if ticket.p_state == 'paid' and \
	151	# ticket.p_category == 'hostel_application' and \
	152	# ticket.p_session == session:
	153	# return True
	154	# return False
[12566]	155
[9152]	156	def setPaymentDetails(self, category, student,
	157	previous_session, previous_level):
[8598]	158	"""Create Payment object and set the payment data of a student for
	159	the payment category specified.
	160
	161	"""
	162	p_item = u''
	163	amount = 0.0
[9152]	164	if previous_session:
[9520]	165	if previous_session < student['studycourse'].entry_session:
	166	return _('The previous session must not fall below '
	167	'your entry session.'), None
	168	if category == 'schoolfee':
	169	# School fee is always paid for the following session
	170	if previous_session > student['studycourse'].current_session:
	171	return _('This is not a previous session.'), None
	172	else:
	173	if previous_session > student['studycourse'].current_session - 1:
	174	return _('This is not a previous session.'), None
[9152]	175	p_session = previous_session
	176	p_level = previous_level
	177	p_current = False
	178	else:
	179	p_session = student['studycourse'].current_session
	180	p_level = student['studycourse'].current_level
	181	p_current = True
[9520]	182	academic_session = self._getSessionConfiguration(p_session)
	183	if academic_session == None:
[8598]	184	return _(u'Session configuration object is not available.'), None
[8676]	185	# Determine fee.
[7151]	186	if category == 'transfer':
[8598]	187	amount = academic_session.transfer_fee
[10469]	188	elif category == 'transcript':
	189	amount = academic_session.transcript_fee
[7151]	190	elif category == 'gown':
[8598]	191	amount = academic_session.gown_fee
[13251]	192	elif category == 'bed_allocation':
	193	p_item = self.getAccommodationDetails(student)['bt']
	194	amount = academic_session.booking_fee
[13283]	195	# Add student union dues
	196	stage = self.getAccommodationDetails(student)['bt']
	197	stage = stage.split('_')[2]
[13338]	198	#####################################################
[13491]	199	#if stage == 'fi':
	200	# return _('Payment temporarily disabled.'), None
[13338]	201	#####################################################
[13283]	202	if stage == 'fr':
	203	amount += 500.0
[13491]	204	elif stage in ('fi', 're') and student[
[13522]	205	'studycourse'].previous_verdict in ('A', 'B', 'F', 'J', 'C', 'Z'):
[13296]	206	amount += 300.0
[13283]	207	else:
[13296]	208	amount = 0.0
[13251]	209	elif category == 'hostel_maintenance':
	210	amount = 0.0
	211	bedticket = student['accommodation'].get(
	212	str(student.current_session), None)
[13500]	213	if bedticket is not None and bedticket.bed is not None:
[13251]	214	p_item = bedticket.bed_coordinates
	215	if bedticket.bed.__parent__.maint_fee > 0:
	216	amount = bedticket.bed.__parent__.maint_fee
	217	else:
	218	# fallback
	219	amount = academic_session.maint_fee
	220	else:
[13508]	221	return _(u'No bed allocated.'), None
[13251]	222	#elif category == 'hostel_application':
	223	# amount = 1000.0
	224	#elif category.startswith('tempmaint'):
	225	# if not self._hostelApplicationPaymentMade(
	226	# student, student.current_session):
	227	# return _(
	228	# 'You have not yet paid the hostel application fee.'), None
	229	# if category == 'tempmaint_1':
	230	# amount = 8150.0
	231	# elif category == 'tempmaint_2':
	232	# amount = 12650.0
	233	# elif category == 'tempmaint_3':
	234	# amount = 9650.0
[7151]	235	elif category == 'clearance':
[9796]	236	p_item = student.certcode
	237	if p_item is None:
[8598]	238	return _('Study course data are incomplete.'), None
[13310]	239	if student.faccode == 'JUPEB':
	240	return _('No payment required.'), None
[11479]	241	if student.faccode == 'FCETA':
	242	amount = 22500.0
	243	elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS',
	244	'MBBSMED', 'MBBSNDU'):
	245	amount = 65000.0
	246	elif p_item in ('BEDCET', 'BIOEDCET', 'CHMEDCET', 'ISEDCET',
	247	'MTHEDCET', 'PHYEDCET', 'ITECET', 'AGREDCET', 'HEEDCET'):
	248	amount = 22500.0
	249	else:
[9346]	250	amount = 45000.0
[7151]	251	elif category == 'schoolfee':
[8598]	252	try:
	253	certificate = student['studycourse'].certificate
	254	p_item = certificate.code
	255	except (AttributeError, TypeError):
	256	return _('Study course data are incomplete.'), None
[13332]	257
	258	#####################################################
[13340]	259	#if student.faccode == 'JUPEB':
	260	# return _('Payment temporarily disabled.'), None
[13332]	261	#####################################################
	262
	263
[9152]	264	if previous_session:
[9520]	265	# Students can pay for previous sessions in all workflow states.
	266	# Fresh students are excluded by the update method of the
	267	# PreviousPaymentAddFormPage.
[9157]	268	if previous_session == student['studycourse'].entry_session:
[9152]	269	if student.is_foreigner:
	270	amount = getattr(certificate, 'school_fee_3', 0.0)
	271	else:
	272	amount = getattr(certificate, 'school_fee_1', 0.0)
[9006]	273	else:
[9152]	274	if student.is_foreigner:
	275	amount = getattr(certificate, 'school_fee_4', 0.0)
	276	else:
	277	amount = getattr(certificate, 'school_fee_2', 0.0)
	278	else:
	279	if student.state == CLEARED:
	280	if student.is_foreigner:
	281	amount = getattr(certificate, 'school_fee_3', 0.0)
	282	else:
	283	amount = getattr(certificate, 'school_fee_1', 0.0)
[9513]	284	elif student.state in (PAID, REGISTERED, VALIDATED):
	285	p_session += 1
	286	# We don't know which level the student is paying for.
	287	p_level = None
[9520]	288	academic_session = self._getSessionConfiguration(p_session)
	289	if academic_session == None:
[9513]	290	return _(u'Session configuration object is not available.'), None
[9570]	291
[9520]	292	# Students are only allowed to pay for the next session
	293	# if current session payment
	294	# has really been made, i.e. payment object exists.
[9570]	295	#if not self._paymentMade(
	296	# student, student.current_session):
	297	# return _('You have not yet paid your current/active' +
	298	# ' session. Please use the previous session' +
	299	# ' payment form first.'), None
	300
[9513]	301	if student.is_foreigner:
	302	amount = getattr(certificate, 'school_fee_4', 0.0)
	303	else:
	304	amount = getattr(certificate, 'school_fee_2', 0.0)
[9152]	305	elif student.state == RETURNING:
	306	# In case of returning school fee payment the payment session
	307	# and level contain the values of the session the student
	308	# has paid for.
	309	p_session, p_level = self.getReturningData(student)
[9520]	310	academic_session = self._getSessionConfiguration(p_session)
	311	if academic_session == None:
[9152]	312	return _(u'Session configuration object is not available.'), None
[9570]	313
[9520]	314	# Students are only allowed to pay for the next session
	315	# if current session payment has really been made,
	316	# i.e. payment object exists and is paid.
[9570]	317	#if not self._paymentMade(
	318	# student, student.current_session):
	319	# return _('You have not yet paid your current/active' +
	320	# ' session. Please use the previous session' +
	321	# ' payment form first.'), None
	322
[9152]	323	if student.is_foreigner:
	324	amount = getattr(certificate, 'school_fee_4', 0.0)
	325	else:
	326	amount = getattr(certificate, 'school_fee_2', 0.0)
[9006]	327	# Give 50% school fee discount to staff members.
	328	if student.is_staff:
	329	amount /= 2
[8598]	330	if amount in (0.0, None):
[9520]	331	return _('Amount could not be determined.'), None
[8676]	332	# Add session specific penalty fee.
	333	if category == 'schoolfee' and student.is_postgrad:
	334	amount += academic_session.penalty_pg
	335	elif category == 'schoolfee':
	336	amount += academic_session.penalty_ug
[9727]	337	if category.startswith('tempmaint'):
	338	p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category]
	339	p_item = unicode(p_item)
	340	# Now we change the category because tempmaint payments
[12566]	341	# will be obsolete when Uniben returns to Kofa bed allocation.
[9727]	342	category = 'hostel_maintenance'
[8676]	343	# Create ticket.
[11644]	344	if self.samePaymentMade(student, category, p_item, p_session):
	345	return _('This type of payment has already been made.'), None
[11459]	346	if self._isPaymentDisabled(p_session, category, student):
	347	return _('Payment temporarily disabled.'), None
[8715]	348	payment = createObject(u'waeup.StudentOnlinePayment')
[8950]	349	timestamp = ("%d" % int(time()*10000))[1:]
[8598]	350	payment.p_id = "p%s" % timestamp
	351	payment.p_category = category
	352	payment.p_item = p_item
	353	payment.p_session = p_session
	354	payment.p_level = p_level
[9152]	355	payment.p_current = p_current
[8598]	356	payment.amount_auth = amount
	357	return None, payment
[7621]	358
[9831]	359	def maxCredits(self, studylevel):
	360	"""Return maximum credits.
	361
	362	"""
	363	studycourse = studylevel.__parent__
	364	certificate = getattr(studycourse,'certificate', None)
	365	current_level = studycourse.current_level
	366	if None in (current_level, certificate):
	367	return 0
	368	end_level = certificate.end_level
	369	if current_level >= end_level:
	370	return 51
	371	return 50
	372
[11773]	373	def clearance_disabled_message(self, student):
	374	if student.is_postgrad:
	375	return None
	376	try:
	377	session_config = grok.getSite()[
	378	'configuration'][str(student.current_session)]
	379	except KeyError:
	380	return _('Session configuration object is not available.')
	381	if not session_config.clearance_enabled:
	382	return _('Clearance is disabled for this session.')
	383	return None
	384
[8441]	385	# Uniben prefix
[8413]	386	STUDENT_ID_PREFIX = u'B'

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