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source: main/kofacustom.iuokada/trunk/src/kofacustom/iuokada/students/utils.py @ 17890

Last change on this file since 17890 was 17889, checked in by Henrik Bettermann, 3 months ago
Combi payments can be paid several times per session.
Property svn:keywords set to `Id`
File size: 20.3 KB

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[10765]	1	## $Id: utils.py 17889 2024-08-15 09:38:17Z 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	##
[15802]	18	import grok
[10765]	19	from time import time
[16136]	20	from copy import deepcopy
[10765]	21	from zope.component import createObject, getUtility
	22	from waeup.kofa.interfaces import (IKofaUtils,
[16091]	23	ADMITTED, CLEARANCE, REQUESTED, CLEARED, RETURNING, PAID,
	24	REGISTERED, VALIDATED)
[10765]	25	from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
[15563]	26	from kofacustom.iuokada.interfaces import MessageFactory as _
[10765]	27
	28	class CustomStudentsUtils(NigeriaStudentsUtils):
	29	"""A collection of customized methods.
	30
	31	"""
	32
[17661]	33	@property
	34	def STUDENT_ID_PREFIX(self):
	35	if grok.getSite().__name__ == 'iuokada-cdl':
	36	return u'F'
	37	return u'I'
[15645]	38
[17661]	39
[15649]	40	SKIP_UPLOAD_VIEWLETS = (
[15654]	41	'acceptanceletterupload', 'certificateupload'
[15649]	42	)
[15653]	43	# Maximum size of upload files in kB
	44	MAX_KB = 500
[15649]	45
[15656]	46	#: A tuple containing the names of registration states in which changing of
	47	#: passport pictures is allowed.
[16136]	48
[15657]	49	PORTRAIT_CHANGE_STATES = (ADMITTED, CLEARANCE,)
[15656]	50
[16223]	51	REQUIRED_PAYMENTS_FRESH = {
[16136]	52	'registration': 'Registration Fee',
	53	'book': 'Book Deposit',
	54	'develop': 'Development Fee',
	55	'parentsconsult': 'Parents Consultative Forum (PCF) Fee',
[16223]	56	'municipal_fresh': 'Fresh Students Municipal Fee',
[16136]	57	}
	58
[16223]	59	REQUIRED_PAYMENTS_RETURNING = {
	60	'registration': 'Registration Fee',
	61	'book': 'Book Deposit',
	62	'develop': 'Development Fee',
	63	'parentsconsult': 'Parents Consultative Forum (PCF) Fee',
	64	'municipal_returning': 'Returning Students Municipal Fee',
	65	}
	66
[16233]	67	REQUIRED_PAYMENTS_PG = {
	68	'pg_other': 'PG Other Charges',
	69	}
	70
[15660]	71	def warnCreditsOOR(self, studylevel, course=None):
	72	"""Return message if credits are out of range. In the base
	73	package only maximum credits is set.
	74	"""
[16377]	75	max_credits = 60
	76	end_level = getattr(studylevel.__parent__.certificate, 'end_level', None)
	77	if end_level and studylevel.level >= end_level:
	78	max_credits = 80
	79	if course and studylevel.total_credits + course.credits > max_credits:
[15660]	80	return _('Maximum credits exceeded.')
[16377]	81	elif studylevel.total_credits > max_credits:
[15660]	82	return _('Maximum credits exceeded.')
	83	return
	84
[16136]	85	def _requiredPaymentsMissing(self, student, session):
[16257]	86	# Deactivated on 29/09/20 (don't know why)
	87	return
	88
[16233]	89	if student.is_postgrad:
	90	rp = self.REQUIRED_PAYMENTS_PG
	91	elif student.is_fresh:
[16223]	92	rp = self.REQUIRED_PAYMENTS_FRESH
	93	else:
	94	rp = self.REQUIRED_PAYMENTS_RETURNING
	95	for ticket in student['payments'].values():
	96	if ticket.p_category == 'required_combi'and \
	97	ticket.p_session == session and \
	98	ticket.p_state == 'paid':
	99	return
	100	cats_missing = deepcopy(rp)
[16136]	101	if len(student['payments']):
[16223]	102	for category in rp.keys():
[16136]	103	for ticket in student['payments'].values():
	104	if ticket.p_state == 'paid' and \
[16223]	105	ticket.p_category == category and \
[16136]	106	ticket.p_session == session:
	107	del cats_missing[category]
[16222]	108	if not cats_missing:
	109	return
	110	return "%s must be paid before Tution Fee. Make either single payments or make a 'Required Combi Payment'." % ', '.join(
	111	cats_missing.values())
[16136]	112
[16583]	113	def samePaymentMade(self, student, category, p_item, p_session):
	114	if category.startswith('resit'):
	115	return False
[17889]	116	if category == 'combi':
	117	return False
[16583]	118	for key in student['payments'].keys():
	119	ticket = student['payments'][key]
	120	if ticket.p_state == 'paid' and\
	121	ticket.p_category == category and \
	122	ticket.p_item != 'Balance' and \
	123	ticket.p_item == p_item and \
	124	ticket.p_session == p_session:
	125	return True
	126	return False
	127
[15645]	128	def setPaymentDetails(self, category, student,
[16136]	129	previous_session=None, previous_level=None, combi=[]):
[15645]	130	"""Create a payment ticket and set the payment data of a
	131	student for the payment category specified.
	132	"""
[17661]	133	if grok.getSite().__name__ == 'iuokada-cdl':
	134	return self.setCDLPaymentDetails(category, student,
	135	previous_session, previous_level, combi)
[15645]	136	p_item = u''
	137	amount = 0.0
	138	if previous_session:
	139	if previous_session < student['studycourse'].entry_session:
	140	return _('The previous session must not fall below '
	141	'your entry session.'), None
	142	if category == 'schoolfee':
	143	# School fee is always paid for the following session
	144	if previous_session > student['studycourse'].current_session:
	145	return _('This is not a previous session.'), None
	146	else:
	147	if previous_session > student['studycourse'].current_session - 1:
	148	return _('This is not a previous session.'), None
	149	p_session = previous_session
	150	p_level = previous_level
	151	p_current = False
	152	else:
	153	p_session = student['studycourse'].current_session
	154	p_level = student['studycourse'].current_level
	155	p_current = True
[16223]	156	if category in self.REQUIRED_PAYMENTS_FRESH.keys() \
	157	+ self.REQUIRED_PAYMENTS_RETURNING.keys() \
	158	+ ['schoolfee','schoolfee40','secondinstal'] \
[16136]	159	and student.state == RETURNING:
	160	# In case of school fee or required sundry fee payments the
	161	# payment session is always next session if students are in
	162	# state returning.
	163	p_session, p_level = self.getReturningData(student)
[15645]	164	academic_session = self._getSessionConfiguration(p_session)
	165	if academic_session == None:
	166	return _(u'Session configuration object is not available.'), None
	167	# Determine fee.
[16138]	168	if category in ('schoolfee', 'schoolfee40', 'secondinstal'):
[16136]	169	rpm = self._requiredPaymentsMissing(student, p_session)
	170	if rpm:
	171	return rpm, None
[15645]	172	try:
	173	certificate = student['studycourse'].certificate
	174	p_item = certificate.code
	175	except (AttributeError, TypeError):
	176	return _('Study course data are incomplete.'), None
	177	if previous_session:
	178	# Students can pay for previous sessions in all
	179	# workflow states. Fresh students are excluded by the
	180	# update method of the PreviousPaymentAddFormPage.
	181	if previous_level == 100:
	182	amount = getattr(certificate, 'school_fee_1', 0.0)
	183	else:
	184	amount = getattr(certificate, 'school_fee_2', 0.0)
[15780]	185	if category == 'schoolfee40':
[15773]	186	amount = 0.4*amount
[15780]	187	elif category == 'secondinstal':
[15773]	188	amount = 0.6*amount
[15780]	189	else:
	190	if category == 'secondinstal':
	191	if student.is_fresh:
	192	amount = 0.6 * getattr(certificate, 'school_fee_1', 0.0)
	193	else:
	194	amount = 0.6 * getattr(certificate, 'school_fee_2', 0.0)
	195	else:
[16091]	196	if student.state in (CLEARANCE, REQUESTED, CLEARED):
[15780]	197	amount = getattr(certificate, 'school_fee_1', 0.0)
	198	elif student.state == RETURNING:
	199	amount = getattr(certificate, 'school_fee_2', 0.0)
	200	elif student.is_postgrad and student.state == PAID:
	201	# Returning postgraduate students also pay for the
	202	# next session but their level always remains the
	203	# same.
	204	p_session += 1
	205	academic_session = self._getSessionConfiguration(p_session)
	206	if academic_session == None:
	207	return _(
	208	u'Session configuration object is not available.'
	209	), None
	210	amount = getattr(certificate, 'school_fee_2', 0.0)
	211	if amount and category == 'schoolfee40':
	212	amount = 0.4*amount
[15645]	213	elif category == 'clearance':
	214	try:
	215	p_item = student['studycourse'].certificate.code
	216	except (AttributeError, TypeError):
	217	return _('Study course data are incomplete.'), None
	218	amount = academic_session.clearance_fee
[16464]	219	if student.is_postgrad:
	220	amount *= 0.5
[15937]	221	elif category.startswith('resit'):
	222	amount = academic_session.resit_fee
	223	number = int(category.strip('resit'))
[16571]	224	amount *= number
[15661]	225	#elif category == 'bed_allocation':
	226	# p_item = self.getAccommodationDetails(student)['bt']
	227	# amount = academic_session.booking_fee
	228	#elif category == 'hostel_maintenance':
	229	# amount = 0.0
	230	# bedticket = student['accommodation'].get(
	231	# str(student.current_session), None)
	232	# if bedticket is not None and bedticket.bed is not None:
	233	# p_item = bedticket.bed_coordinates
	234	# if bedticket.bed.__parent__.maint_fee > 0:
	235	# amount = bedticket.bed.__parent__.maint_fee
	236	# else:
	237	# # fallback
	238	# amount = academic_session.maint_fee
	239	# else:
	240	# return _(u'No bed allocated.'), None
[15676]	241	elif category == 'combi' and combi:
	242	categories = getUtility(IKofaUtils).COMBI_PAYMENT_CATEGORIES
	243	for cat in combi:
	244	fee_name = cat + '_fee'
	245	cat_amount = getattr(academic_session, fee_name, 0.0)
	246	if not cat_amount:
	247	return _('%s undefined.' % categories[cat]), None
	248	amount += cat_amount
	249	p_item += u'%s + ' % categories[cat]
	250	p_item = p_item.strip(' + ')
[16222]	251	elif category == 'required_combi':
[16233]	252	if student.is_postgrad:
	253	rp = self.REQUIRED_PAYMENTS_PG
	254	elif student.is_fresh:
	255	rp = self.REQUIRED_PAYMENTS_FRESH
[16223]	256	else:
[16233]	257	rp = self.REQUIRED_PAYMENTS_RETURNING
[16222]	258	for cat in rp:
	259	fee_name = cat + '_fee'
	260	cat_amount = getattr(academic_session, fee_name, 0.0)
	261	if not cat_amount:
	262	return _('%s undefined.' % rp[cat]), None
	263	amount += cat_amount
	264	p_item += u'%s + ' % rp[cat]
	265	p_item = p_item.strip(' + ')
[15645]	266	else:
	267	fee_name = category + '_fee'
	268	amount = getattr(academic_session, fee_name, 0.0)
	269	if amount in (0.0, None):
	270	return _('Amount could not be determined.'), None
	271	if self.samePaymentMade(student, category, p_item, p_session):
	272	return _('This type of payment has already been made.'), None
	273	if self._isPaymentDisabled(p_session, category, student):
	274	return _('This category of payments has been disabled.'), None
	275	payment = createObject(u'waeup.StudentOnlinePayment')
	276	timestamp = ("%d" % int(time()*10000))[1:]
[16270]	277	if category in (
[16396]	278	'registration', 'required_combi', 'pg_other', 'jupeb_reg'):
[16270]	279	payment.provider_amt = 5000.0
	280	if category in (
	281	'schoolfee', 'schoolfee40') and student.is_jupeb:
	282	payment.provider_amt = 5000.0
[15645]	283	payment.p_id = "p%s" % timestamp
	284	payment.p_category = category
	285	payment.p_item = p_item
	286	payment.p_session = p_session
	287	payment.p_level = p_level
	288	payment.p_current = p_current
	289	payment.amount_auth = amount
[15686]	290	payment.p_combi = combi
[15802]	291	return None, payment
	292
[17661]	293	def setCDLPaymentDetails(self, category, student,
	294	previous_session=None, previous_level=None, combi=[]):
	295	"""Create a payment ticket and set the payment data of a
	296	student for the payment category specified.
	297	"""
	298	p_item = u''
	299	amount = 0.0
	300	if previous_session:
	301	if previous_session < student['studycourse'].entry_session:
	302	return _('The previous session must not fall below '
	303	'your entry session.'), None
	304	if category == 'schoolfee':
	305	# School fee is always paid for the following session
	306	if previous_session > student['studycourse'].current_session:
	307	return _('This is not a previous session.'), None
	308	else:
	309	if previous_session > student['studycourse'].current_session - 1:
	310	return _('This is not a previous session.'), None
	311	p_session = previous_session
	312	p_level = previous_level
	313	p_current = False
	314	else:
	315	p_session = student['studycourse'].current_session
	316	p_level = student['studycourse'].current_level
	317	p_current = True
	318	if category in self.REQUIRED_PAYMENTS_FRESH.keys() \
	319	+ self.REQUIRED_PAYMENTS_RETURNING.keys() \
	320	+ ['schoolfee','schoolfee40','secondinstal'] \
	321	and student.state == RETURNING:
	322	# In case of school fee or required sundry fee payments the
	323	# payment session is always next session if students are in
	324	# state returning.
	325	p_session, p_level = self.getReturningData(student)
	326	academic_session = self._getSessionConfiguration(p_session)
	327	if academic_session == None:
	328	return _(u'Session configuration object is not available.'), None
	329	# Determine fee.
	330	if category in ('schoolfee', 'schoolfee40', 'secondinstal'):
	331	rpm = self._requiredPaymentsMissing(student, p_session)
	332	if rpm:
	333	return rpm, None
	334	try:
	335	certificate = student['studycourse'].certificate
	336	p_item = certificate.code
	337	except (AttributeError, TypeError):
	338	return _('Study course data are incomplete.'), None
	339	if previous_session:
	340	# Students can pay for previous sessions in all
	341	# workflow states. Fresh students are excluded by the
	342	# update method of the PreviousPaymentAddFormPage.
	343	if previous_level == 100:
	344	amount = getattr(certificate, 'school_fee_1', 0.0)
	345	else:
	346	amount = getattr(certificate, 'school_fee_2', 0.0)
	347	if category == 'schoolfee40':
	348	amount = 0.4*amount
	349	elif category == 'secondinstal':
	350	amount = 0.6*amount
	351	else:
	352	if category == 'secondinstal':
	353	if student.is_fresh:
	354	amount = 0.6 * getattr(certificate, 'school_fee_1', 0.0)
	355	else:
	356	amount = 0.6 * getattr(certificate, 'school_fee_2', 0.0)
	357	else:
	358	if student.state in (CLEARANCE, REQUESTED, CLEARED):
	359	amount = getattr(certificate, 'school_fee_1', 0.0)
	360	elif student.state == RETURNING:
	361	amount = getattr(certificate, 'school_fee_2', 0.0)
	362	elif student.is_postgrad and student.state == PAID:
	363	# Returning postgraduate students also pay for the
	364	# next session but their level always remains the
	365	# same.
	366	p_session += 1
	367	academic_session = self._getSessionConfiguration(p_session)
	368	if academic_session == None:
	369	return _(
	370	u'Session configuration object is not available.'
	371	), None
	372	amount = getattr(certificate, 'school_fee_2', 0.0)
	373	if amount and category == 'schoolfee40':
	374	amount = 0.4*amount
	375	elif category == 'clearance':
	376	try:
	377	p_item = student['studycourse'].certificate.code
	378	except (AttributeError, TypeError):
	379	return _('Study course data are incomplete.'), None
	380	amount = academic_session.clearance_fee
	381	elif category.startswith('cdlcourse'):
	382	amount = academic_session.course_fee
	383	number = int(category.strip('cdlcourse'))
	384	amount *= number
	385	elif category == 'combi' and combi:
[17664]	386	categories = getUtility(IKofaUtils).COMBI_PAYMENT_CATEGORIES
[17661]	387	for cat in combi:
	388	fee_name = cat + '_fee'
	389	cat_amount = getattr(academic_session, fee_name, 0.0)
	390	if not cat_amount:
	391	return _('%s undefined.' % categories[cat]), None
	392	amount += cat_amount
	393	p_item += u'%s + ' % categories[cat]
	394	p_item = p_item.strip(' + ')
	395	else:
	396	fee_name = category + '_fee'
	397	amount = getattr(academic_session, fee_name, 0.0)
	398	if amount in (0.0, None):
	399	return _('Amount could not be determined.'), None
	400	if self.samePaymentMade(student, category, p_item, p_session):
	401	return _('This type of payment has already been made.'), None
	402	if self._isPaymentDisabled(p_session, category, student):
	403	return _('This category of payments has been disabled.'), None
	404	payment = createObject(u'waeup.StudentOnlinePayment')
	405	timestamp = ("%d" % int(time()*10000))[1:]
	406	if category in (
	407	'registration', 'required_combi', 'pg_other', 'jupeb_reg'):
	408	payment.provider_amt = 5000.0
	409	if category in (
	410	'schoolfee', 'schoolfee40') and student.is_jupeb:
	411	payment.provider_amt = 5000.0
	412	payment.p_id = "p%s" % timestamp
	413	payment.p_category = category
	414	payment.p_item = p_item
	415	payment.p_session = p_session
	416	payment.p_level = p_level
	417	payment.p_current = p_current
	418	payment.amount_auth = amount
	419	payment.p_combi = combi
	420	return None, payment
	421
[16138]	422	def setBalanceDetails(self, category, student,
	423	balance_session, balance_level, balance_amount):
	424	"""Create a balance payment ticket and set the payment data
	425	as selected by the student.
	426	"""
[16139]	427	if category in ('schoolfee', 'schoolfee40', 'secondinstal') \
	428	and balance_session > 2019:
[16138]	429	rpm = self._requiredPaymentsMissing(student, balance_session)
	430	if rpm:
	431	return rpm, None
	432	return super(
	433	CustomStudentsUtils, self).setBalanceDetails(category, student,
	434	balance_session, balance_level, balance_amount)
	435
[15802]	436	def constructMatricNumber(self, student):
	437	"""Fetch the matric number counter which fits the student and
	438	construct the new matric number of the student.
	439	"""
	440	next_integer = grok.getSite()['configuration'].next_matric_integer
	441	if next_integer == 0:
	442	return _('Matriculation number cannot be set.'), None
[15810]	443	if not student.state in (
	444	RETURNING, CLEARED, PAID, REGISTERED, VALIDATED):
[15805]	445	return _('Matriculation number cannot be set.'), None
[15802]	446	year = unicode(student.entry_session)[2:]
[17818]	447	if grok.getSite().__name__ == 'iuokada-cdl':
	448	return None, "%s/%04d/%s/CDL" % (year, next_integer, student.faccode)
[16294]	449	return None, "%s/%06d/%s" % (year, next_integer, student.faccode)

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