1 | ## $Id: payments.py 13736 2016-02-26 08:18:15Z henrik $ |
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2 | ## |
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3 | ## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann |
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4 | ## This program is free software; you can redistribute it and/or modify |
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5 | ## it under the terms of the GNU General Public License as published by |
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6 | ## the Free Software Foundation; either version 2 of the License, or |
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7 | ## (at your option) any later version. |
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8 | ## |
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9 | ## This program is distributed in the hope that it will be useful, |
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10 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | ## GNU General Public License for more details. |
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13 | ## |
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14 | ## You should have received a copy of the GNU General Public License |
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15 | ## along with this program; if not, write to the Free Software |
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16 | ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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17 | ## |
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18 | """ |
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19 | Student payment components. |
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20 | """ |
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21 | import grok |
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22 | from zope.component.interfaces import IFactory |
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23 | from zope.interface import implementedBy |
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24 | from zope.schema.interfaces import ConstraintNotSatisfied |
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25 | from hurry.workflow.interfaces import IWorkflowInfo |
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26 | from waeup.kofa.interfaces import MessageFactory as _ |
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27 | from waeup.kofa.students.interfaces import ( |
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28 | IStudentPaymentsContainer, IStudentNavigation, IStudentOnlinePayment) |
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29 | from waeup.kofa.students.workflow import CLEARED, RETURNING, PAID |
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30 | from waeup.kofa.payments import PaymentsContainer, OnlinePayment |
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31 | from waeup.kofa.payments.interfaces import IPayer |
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32 | from waeup.kofa.utils.helpers import attrs_to_fields |
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33 | from waeup.kofa.accesscodes import create_accesscode |
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34 | |
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35 | class StudentPaymentsContainer(PaymentsContainer): |
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36 | """This is a container for student payments. |
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37 | """ |
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38 | grok.implements(IStudentPaymentsContainer, IStudentNavigation) |
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39 | grok.provides(IStudentPaymentsContainer) |
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40 | |
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41 | def __init__(self): |
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42 | super(StudentPaymentsContainer, self).__init__() |
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43 | return |
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44 | |
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45 | @property |
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46 | def student(self): |
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47 | return self.__parent__ |
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48 | |
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49 | @property |
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50 | def certificate(self): |
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51 | try: |
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52 | return self.student['studycourse'].certificate |
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53 | except TypeError: |
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54 | return None |
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55 | |
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56 | def writeLogMessage(self, view, message): |
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57 | return self.__parent__.writeLogMessage(view, message) |
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58 | |
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59 | StudentPaymentsContainer = attrs_to_fields(StudentPaymentsContainer) |
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60 | |
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61 | class StudentOnlinePayment(OnlinePayment): |
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62 | """This is an online payment. |
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63 | """ |
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64 | grok.implements(IStudentOnlinePayment, IStudentNavigation) |
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65 | grok.provides(IStudentOnlinePayment) |
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66 | |
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67 | def __init__(self): |
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68 | super(StudentOnlinePayment, self).__init__() |
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69 | return |
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70 | |
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71 | @property |
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72 | def student(self): |
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73 | try: |
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74 | return self.__parent__.__parent__ |
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75 | except AttributeError: |
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76 | return None |
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77 | |
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78 | @property |
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79 | def certificate(self): |
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80 | try: |
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81 | return self.student['studycourse'].certificate |
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82 | except TypeError: |
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83 | return None |
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84 | |
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85 | def writeLogMessage(self, view, message): |
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86 | return self.__parent__.__parent__.writeLogMessage(view, message) |
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87 | |
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88 | def redeemTicket(self): |
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89 | """Either create an appropriate access code or trigger an action |
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90 | directly. |
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91 | """ |
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92 | student = self.student |
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93 | if self.p_category == 'clearance': |
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94 | # Create CLR access code |
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95 | pin, error = create_accesscode( |
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96 | 'CLR',0,self.amount_auth,student.student_id) |
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97 | if error: |
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98 | return error |
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99 | self.ac = pin |
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100 | elif self.p_category.startswith('schoolfee'): |
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101 | # Bypass activation code creation if next session |
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102 | # can be started directly. |
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103 | if student['studycourse'].next_session_allowed: |
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104 | try: |
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105 | if student.state == CLEARED: |
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106 | IWorkflowInfo(student).fireTransition( |
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107 | 'pay_first_school_fee') |
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108 | return None |
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109 | elif student.state == RETURNING: |
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110 | IWorkflowInfo(student).fireTransition( |
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111 | 'pay_school_fee') |
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112 | return None |
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113 | elif student.state == PAID: |
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114 | IWorkflowInfo(student).fireTransition( |
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115 | 'pay_pg_fee') |
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116 | return None |
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117 | except ConstraintNotSatisfied: |
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118 | pass |
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119 | # Create SFE access code |
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120 | pin, error = create_accesscode( |
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121 | 'SFE',0,self.amount_auth,student.student_id) |
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122 | if error: |
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123 | return error |
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124 | self.ac = pin |
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125 | elif self.p_category == 'bed_allocation': |
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126 | # Create HOS access code |
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127 | pin, error = create_accesscode( |
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128 | 'HOS',0,self.amount_auth,student.student_id) |
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129 | if error: |
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130 | return error |
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131 | self.ac = pin |
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132 | elif self.p_category == 'transcript': |
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133 | # Create TSC access code |
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134 | pin, error = create_accesscode( |
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135 | 'TSC',0,self.amount_auth,student.student_id) |
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136 | if error: |
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137 | return error |
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138 | self.ac = pin |
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139 | return None |
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140 | |
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141 | def doAfterStudentPayment(self): |
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142 | """Process student after payment was made. |
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143 | """ |
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144 | if self.p_current: |
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145 | error = self.redeemTicket() |
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146 | if error is not None: |
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147 | return 'danger', error, error |
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148 | log = 'successful %s payment: %s' % (self.p_category, self.p_id) |
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149 | msg = _('Successful payment') |
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150 | flashtype = 'success' |
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151 | return flashtype, msg, log |
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152 | |
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153 | def doAfterStudentPaymentApproval(self): |
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154 | """Process student after payment was approved. |
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155 | """ |
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156 | if self.p_current: |
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157 | error = self.redeemTicket() |
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158 | if error is not None: |
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159 | return 'danger', error, error |
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160 | log = '%s payment approved: %s' % (self.p_category, self.p_id) |
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161 | msg = _('Payment approved.') |
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162 | flashtype = 'success' |
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163 | return flashtype, msg, log |
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164 | |
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165 | def approveStudentPayment(self): |
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166 | """Approve payment and process student. |
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167 | """ |
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168 | if self.p_state == 'paid': |
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169 | return 'warning', _('This ticket has already been paid.'), None |
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170 | self.approve() |
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171 | return self.doAfterStudentPaymentApproval() |
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172 | |
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173 | |
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174 | StudentOnlinePayment = attrs_to_fields( |
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175 | StudentOnlinePayment, omit=['display_item']) |
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176 | |
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177 | class Payer(grok.Adapter): |
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178 | """An adapter to publish student data through a simple webservice. |
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179 | """ |
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180 | grok.context(IStudentOnlinePayment) |
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181 | grok.implements(IPayer) |
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182 | |
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183 | @property |
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184 | def display_fullname(self): |
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185 | "Name of payer" |
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186 | return self.context.student.display_fullname |
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187 | |
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188 | @property |
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189 | def id(self): |
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190 | "Id of payer" |
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191 | return self.context.student.student_id |
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192 | |
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193 | @property |
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194 | def matric_number(self): |
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195 | "Matric number or reg number of payer" |
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196 | return self.context.student.matric_number |
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197 | |
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198 | @property |
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199 | def reg_number(self): |
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200 | "Reg number or reg number of payer" |
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201 | return self.context.student.reg_number |
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202 | |
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203 | @property |
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204 | def faculty(self): |
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205 | "Faculty of payer" |
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206 | return self.context.student.faccode |
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207 | |
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208 | @property |
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209 | def department(self): |
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210 | "Department of payer" |
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211 | return self.context.student.depcode |
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212 | |
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213 | @property |
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214 | def email(self): |
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215 | "Email of payer" |
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216 | return self.context.student.email |
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217 | |
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218 | @property |
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219 | def phone(self): |
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220 | "Phone number of payer" |
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221 | return self.context.student.phone |
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222 | |
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223 | @property |
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224 | def current_mode(self): |
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225 | "Current study mode of payer" |
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226 | return self.context.student.current_mode |
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227 | |
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228 | @property |
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229 | def current_level(self): |
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230 | "Current level of payer" |
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231 | return self.context.student.current_level |
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232 | |
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233 | # Student online payments must be importable. So we might need a factory. |
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234 | class StudentOnlinePaymentFactory(grok.GlobalUtility): |
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235 | """A factory for student online payments. |
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236 | """ |
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237 | grok.implements(IFactory) |
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238 | grok.name(u'waeup.StudentOnlinePayment') |
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239 | title = u"Create a new online payment.", |
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240 | description = u"This factory instantiates new online payment instances." |
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241 | |
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242 | def __call__(self, *args, **kw): |
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243 | return StudentOnlinePayment() |
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244 | |
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245 | def getInterfaces(self): |
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246 | return implementedBy(StudentOnlinePayment) |
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