## $Id: payments.py 13398 2015-11-06 10:59:22Z henrik $ ## ## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2 of the License, or ## (at your option) any later version. ## ## This program is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ## """ Student payment components. """ import grok from zope.component.interfaces import IFactory from zope.interface import implementedBy from zope.schema.interfaces import ConstraintNotSatisfied from hurry.workflow.interfaces import IWorkflowInfo from waeup.kofa.interfaces import MessageFactory as _ from waeup.kofa.students.interfaces import ( IStudentPaymentsContainer, IStudentNavigation, IStudentOnlinePayment) from waeup.kofa.students.workflow import CLEARED, RETURNING, PAID from waeup.kofa.payments import PaymentsContainer, OnlinePayment from waeup.kofa.payments.interfaces import IPayer from waeup.kofa.utils.helpers import attrs_to_fields from waeup.kofa.accesscodes import create_accesscode class StudentPaymentsContainer(PaymentsContainer): """This is a container for student payments. """ grok.implements(IStudentPaymentsContainer, IStudentNavigation) grok.provides(IStudentPaymentsContainer) def __init__(self): super(StudentPaymentsContainer, self).__init__() return @property def student(self): return self.__parent__ def writeLogMessage(self, view, message): return self.__parent__.writeLogMessage(view, message) StudentPaymentsContainer = attrs_to_fields(StudentPaymentsContainer) class StudentOnlinePayment(OnlinePayment): """This is an online payment. """ grok.implements(IStudentOnlinePayment, IStudentNavigation) grok.provides(IStudentOnlinePayment) def __init__(self): super(StudentOnlinePayment, self).__init__() return @property def student(self): try: return self.__parent__.__parent__ except AttributeError: return None def writeLogMessage(self, view, message): return self.__parent__.__parent__.writeLogMessage(view, message) def redeemTicket(self): """Either create an appropriate access code or trigger an action directly. """ student = self.student if self.p_category == 'clearance': # Create CLR access code pin, error = create_accesscode( 'CLR',0,self.amount_auth,student.student_id) if error: return error self.ac = pin elif self.p_category.startswith('schoolfee'): # Bypass activation code creation if next session # can be started directly. if student['studycourse'].next_session_allowed: try: if student.state == CLEARED: IWorkflowInfo(student).fireTransition( 'pay_first_school_fee') return None elif student.state == RETURNING: IWorkflowInfo(student).fireTransition( 'pay_school_fee') return None elif student.state == PAID: IWorkflowInfo(student).fireTransition( 'pay_pg_fee') return None except ConstraintNotSatisfied: pass # Create SFE access code pin, error = create_accesscode( 'SFE',0,self.amount_auth,student.student_id) if error: return error self.ac = pin elif self.p_category == 'bed_allocation': # Create HOS access code pin, error = create_accesscode( 'HOS',0,self.amount_auth,student.student_id) if error: return error self.ac = pin elif self.p_category == 'transcript': # Create TSC access code pin, error = create_accesscode( 'TSC',0,self.amount_auth,student.student_id) if error: return error self.ac = pin return None def doAfterStudentPayment(self): """Process student after payment was made. """ if self.p_current: error = self.redeemTicket() if error is not None: return 'danger', error, error log = 'successful %s payment: %s' % (self.p_category, self.p_id) msg = _('Successful payment') flashtype = 'success' return flashtype, msg, log def doAfterStudentPaymentApproval(self): """Process student after payment was approved. """ if self.p_current: error = self.redeemTicket() if error is not None: return 'danger', error, error log = '%s payment approved: %s' % (self.p_category, self.p_id) msg = _('Payment approved.') flashtype = 'success' return flashtype, msg, log def approveStudentPayment(self): """Approve payment and process student. """ if self.p_state == 'paid': return 'warning', _('This ticket has already been paid.'), None self.approve() return self.doAfterStudentPaymentApproval() StudentOnlinePayment = attrs_to_fields( StudentOnlinePayment, omit=['display_item']) class Payer(grok.Adapter): """An adapter to publish student data through a simple webservice. """ grok.context(IStudentOnlinePayment) grok.implements(IPayer) @property def display_fullname(self): "Name of payer" return self.context.student.display_fullname @property def id(self): "Id of payer" return self.context.student.student_id @property def matric_number(self): "Matric number or reg number of payer" return self.context.student.matric_number @property def reg_number(self): "Reg number or reg number of payer" return self.context.student.reg_number @property def faculty(self): "Faculty of payer" return self.context.student.faccode @property def department(self): "Department of payer" return self.context.student.depcode @property def email(self): "Email of payer" return self.context.student.email @property def phone(self): "Phone number of payer" return self.context.student.phone @property def current_mode(self): "Current study mode of payer" return self.context.student.current_mode @property def current_level(self): "Current level of payer" return self.context.student.current_level # Student online payments must be importable. So we might need a factory. class StudentOnlinePaymentFactory(grok.GlobalUtility): """A factory for student online payments. """ grok.implements(IFactory) grok.name(u'waeup.StudentOnlinePayment') title = u"Create a new online payment.", description = u"This factory instantiates new online payment instances." def __call__(self, *args, **kw): return StudentOnlinePayment() def getInterfaces(self): return implementedBy(StudentOnlinePayment)