1 | ## $Id: browser.py 10275 2013-06-04 16:16:24Z 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 | """UI components for basic applicants and related components. |
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19 | """ |
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20 | import grok |
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21 | import os |
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22 | from zope.component import getUtility |
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23 | from waeup.kofa.interfaces import ( |
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24 | IExtFileStore, IFileStoreNameChooser) |
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25 | from zope.formlib.textwidgets import BytesDisplayWidget |
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26 | from waeup.kofa.utils.helpers import string_from_bytes, file_size |
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27 | from waeup.futminna.applicants.interfaces import ( |
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28 | ICustomApplicant, |
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29 | ICustomUGApplicant, |
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30 | ICustomPGApplicant, |
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31 | ICustomPGApplicantEdit, |
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32 | ICustomUGApplicantEdit, |
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33 | UG_OMIT_DISPLAY_FIELDS, |
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34 | UG_OMIT_PDF_FIELDS, |
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35 | UG_OMIT_MANAGE_FIELDS, |
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36 | UG_OMIT_EDIT_FIELDS, |
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37 | PG_OMIT_DISPLAY_FIELDS, |
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38 | PG_OMIT_PDF_FIELDS, |
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39 | PG_OMIT_MANAGE_FIELDS, |
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40 | PG_OMIT_EDIT_FIELDS, |
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41 | PUTME_OMIT_EDIT_FIELDS, |
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42 | PUTME_OMIT_DISPLAY_FIELDS, |
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43 | PUTME_OMIT_PDF_FIELDS, |
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44 | PUTME_OMIT_MANAGE_FIELDS, |
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45 | PUTME_OMIT_EDIT_FIELDS, |
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46 | ) |
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47 | from waeup.futminna.interfaces import MessageFactory as _ |
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48 | from kofacustom.nigeria.applicants.browser import ( |
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49 | NigeriaApplicantDisplayFormPage, |
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50 | NigeriaApplicantManageFormPage, |
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51 | NigeriaApplicantEditFormPage, |
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52 | NigeriaPDFApplicationSlip) |
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53 | |
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54 | MAX_FILE_UPLOAD_SIZE = 1024 * 500 |
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55 | |
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56 | def handle_file_upload(upload, context, view, attr=None): |
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57 | """Handle upload of applicant files. |
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58 | |
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59 | Returns `True` in case of success or `False`. |
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60 | |
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61 | Please note that file pointer passed in (`upload`) most probably |
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62 | points to end of file when leaving this function. |
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63 | """ |
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64 | size = file_size(upload) |
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65 | if size > MAX_FILE_UPLOAD_SIZE: |
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66 | view.flash(_('Uploaded file is too big!')) |
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67 | return False |
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68 | dummy, ext = os.path.splitext(upload.filename) |
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69 | ext.lower() |
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70 | if ext != '.pdf': |
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71 | view.flash(_('pdf file extension expected.')) |
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72 | return False |
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73 | upload.seek(0) # file pointer moved when determining size |
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74 | store = getUtility(IExtFileStore) |
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75 | file_id = IFileStoreNameChooser(context).chooseName(attr=attr) |
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76 | store.createFile(file_id, upload) |
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77 | return True |
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78 | |
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79 | class CustomApplicantDisplayFormPage(NigeriaApplicantDisplayFormPage): |
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80 | """A display view for applicant data. |
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81 | """ |
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82 | |
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83 | grok.template('applicantdisplaypage') |
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84 | |
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85 | @property |
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86 | def file_links(self): |
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87 | html = '' |
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88 | pdf = getUtility(IExtFileStore).getFileByContext( |
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89 | self.context, attr='extraform.pdf') |
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90 | if pdf: |
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91 | html += '<a href="extraform.pdf">Extra Applicant Information Form</a>, ' |
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92 | pdf = getUtility(IExtFileStore).getFileByContext( |
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93 | self.context, attr='refereeform.pdf') |
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94 | if pdf: |
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95 | html += '<a href="refereeform.pdf">Referee\'s Form</a>, ' |
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96 | pdf = getUtility(IExtFileStore).getFileByContext( |
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97 | self.context, attr='credentials.pdf') |
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98 | if pdf: |
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99 | html += '<a href="credentials.pdf">Credentials</a>' |
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100 | return html |
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101 | |
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102 | @property |
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103 | def form_fields(self): |
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104 | if self.target is not None and self.target.startswith('pg'): |
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105 | form_fields = grok.AutoFields(ICustomPGApplicant) |
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106 | for field in PG_OMIT_DISPLAY_FIELDS: |
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107 | form_fields = form_fields.omit(field) |
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108 | else: |
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109 | form_fields = grok.AutoFields(ICustomUGApplicant) |
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110 | for field in UG_OMIT_DISPLAY_FIELDS: |
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111 | form_fields = form_fields.omit(field) |
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112 | if form_fields.get('perm_address', None): |
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113 | form_fields['perm_address'].custom_widget = BytesDisplayWidget |
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114 | form_fields['notice'].custom_widget = BytesDisplayWidget |
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115 | if not getattr(self.context, 'student_id'): |
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116 | form_fields = form_fields.omit('student_id') |
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117 | if not getattr(self.context, 'screening_score'): |
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118 | form_fields = form_fields.omit('screening_score') |
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119 | if not getattr(self.context, 'screening_venue'): |
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120 | form_fields = form_fields.omit('screening_venue') |
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121 | if not getattr(self.context, 'screening_date'): |
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122 | form_fields = form_fields.omit('screening_date') |
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123 | if not self.context.low_jamb_score: |
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124 | form_fields = form_fields.omit('course2') |
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125 | return form_fields |
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126 | |
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127 | def update(self): |
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128 | super(CustomApplicantDisplayFormPage, self).update() |
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129 | self.extraform_url = self.url(self.context, 'extraform.pdf') |
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130 | self.referreeform_url = self.url(self.context, 'refereeform.pdf') |
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131 | self.credentials_url = self.url(self.context, 'credentials.pdf') |
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132 | return |
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133 | |
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134 | class CustomPDFApplicationSlip(NigeriaPDFApplicationSlip): |
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135 | |
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136 | @property |
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137 | def form_fields(self): |
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138 | if self.target is not None and self.target.startswith('pg'): |
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139 | form_fields = grok.AutoFields(ICustomPGApplicant) |
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140 | for field in PG_OMIT_PDF_FIELDS: |
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141 | form_fields = form_fields.omit(field) |
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142 | elif self.target is not None and self.target.startswith('putme'): |
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143 | form_fields = grok.AutoFields(ICustomUGApplicant) |
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144 | if self._reduced_slip(): |
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145 | for field in PUTME_OMIT_RESULT_SLIP_FIELDS: |
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146 | form_fields = form_fields.omit(field) |
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147 | else: |
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148 | form_fields = grok.AutoFields(ICustomUGApplicant) |
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149 | for field in UG_OMIT_PDF_FIELDS: |
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150 | form_fields = form_fields.omit(field) |
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151 | if not getattr(self.context, 'student_id'): |
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152 | form_fields = form_fields.omit('student_id') |
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153 | if not getattr(self.context, 'screening_score'): |
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154 | form_fields = form_fields.omit('screening_score') |
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155 | if not getattr(self.context, 'screening_venue'): |
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156 | form_fields = form_fields.omit('screening_venue') |
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157 | if not getattr(self.context, 'screening_date'): |
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158 | form_fields = form_fields.omit('screening_date') |
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159 | if not self.context.low_jamb_score: |
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160 | form_fields = form_fields.omit('course2') |
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161 | return form_fields |
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162 | |
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163 | class CustomApplicantManageFormPage(NigeriaApplicantManageFormPage): |
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164 | """A full edit view for applicant data. |
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165 | """ |
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166 | grok.template('applicanteditpage') |
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167 | |
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168 | @property |
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169 | def form_fields(self): |
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170 | if self.target is not None and self.target.startswith('pg'): |
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171 | form_fields = grok.AutoFields(ICustomPGApplicant) |
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172 | for field in PG_OMIT_MANAGE_FIELDS: |
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173 | form_fields = form_fields.omit(field) |
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174 | elif self.target is not None and self.target.startswith('putme'): |
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175 | form_fields = grok.AutoFields(ICustomUGApplicant) |
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176 | for field in PUTME_OMIT_MANAGE_FIELDS: |
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177 | form_fields = form_fields.omit(field) |
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178 | else: |
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179 | form_fields = grok.AutoFields(ICustomUGApplicant) |
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180 | for field in UG_OMIT_MANAGE_FIELDS: |
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181 | form_fields = form_fields.omit(field) |
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182 | form_fields['student_id'].for_display = True |
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183 | form_fields['applicant_id'].for_display = True |
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184 | return form_fields |
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185 | |
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186 | def update(self): |
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187 | super(CustomApplicantManageFormPage, self).update() |
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188 | upload_extraform = self.request.form.get('form.extraform', None) |
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189 | if upload_extraform: |
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190 | # We got a fresh extraform upload |
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191 | success = handle_file_upload( |
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192 | upload_extraform, self.context, self, attr='extraform.pdf') |
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193 | if success: |
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194 | self.context.writeLogMessage(self, 'saved: extraform') |
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195 | else: |
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196 | self.upload_success = False |
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197 | upload_refereeform = self.request.form.get('form.refereeform', None) |
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198 | if upload_refereeform: |
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199 | # We got a fresh refereeform upload |
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200 | success = handle_file_upload( |
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201 | upload_refereeform, self.context, self, attr='refereeform.pdf') |
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202 | if success: |
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203 | self.context.writeLogMessage(self, 'saved: refereeform') |
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204 | else: |
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205 | self.upload_success = False |
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206 | upload_credentials = self.request.form.get('form.credentials', None) |
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207 | if upload_credentials: |
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208 | # We got a fresh credentials upload |
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209 | success = handle_file_upload( |
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210 | upload_credentials, self.context, self, attr='credentials.pdf') |
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211 | if success: |
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212 | self.context.writeLogMessage(self, 'saved: credentials') |
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213 | else: |
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214 | self.upload_success = False |
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215 | self.max_file_upload_size = string_from_bytes(MAX_FILE_UPLOAD_SIZE) |
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216 | return |
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217 | |
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218 | class CustomApplicantEditFormPage(NigeriaApplicantEditFormPage): |
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219 | """An applicant-centered edit view for applicant data. |
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220 | """ |
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221 | grok.template('applicanteditpage') |
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222 | |
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223 | @property |
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224 | def form_fields(self): |
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225 | if self.target is not None and self.target.startswith('pg'): |
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226 | form_fields = grok.AutoFields(ICustomPGApplicantEdit) |
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227 | for field in PG_OMIT_EDIT_FIELDS: |
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228 | form_fields = form_fields.omit(field) |
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229 | elif self.target is not None and self.target.startswith('putme'): |
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230 | form_fields = grok.AutoFields(ICustomUGApplicantEdit) |
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231 | for field in PUTME_OMIT_EDIT_FIELDS: |
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232 | form_fields = form_fields.omit(field) |
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233 | else: |
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234 | form_fields = grok.AutoFields(ICustomUGApplicantEdit) |
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235 | for field in UG_OMIT_EDIT_FIELDS: |
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236 | form_fields = form_fields.omit(field) |
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237 | form_fields['applicant_id'].for_display = True |
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238 | form_fields['reg_number'].for_display = True |
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239 | if not self.context.low_jamb_score: |
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240 | form_fields = form_fields.omit('course2') |
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241 | return form_fields |
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242 | |
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243 | def dataNotComplete(self): |
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244 | store = getUtility(IExtFileStore) |
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245 | if not store.getFileByContext(self.context, attr=u'passport.jpg'): |
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246 | return _('No passport picture uploaded.') |
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247 | if not store.getFileByContext(self.context, attr=u'extraform.pdf'): |
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248 | return _('No extra information form pdf file uploaded.') |
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249 | if not store.getFileByContext(self.context, attr=u'refereeform.pdf'): |
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250 | return _('No referee form pdf file uploaded.') |
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251 | if self.target is not None and self.target.startswith('pg') \ |
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252 | and not store.getFileByContext(self.context, attr=u'credentials.pdf'): |
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253 | return _('No credentials pdf file uploaded.') |
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254 | if not self.request.form.get('confirm_passport', False): |
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255 | return _('Passport picture confirmation box not ticked.') |
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256 | return False |
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257 | |
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258 | def update(self): |
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259 | if self.context.locked or ( |
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260 | self.context.__parent__.expired and |
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261 | self.context.__parent__.strict_deadline): |
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262 | self.emit_lock_message() |
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263 | return |
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264 | super(CustomApplicantEditFormPage, self).update() |
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265 | upload_extraform = self.request.form.get('form.extraform', None) |
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266 | if upload_extraform: |
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267 | # We got a fresh extraform upload |
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268 | success = handle_file_upload( |
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269 | upload_extraform, self.context, self, attr='extraform.pdf') |
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270 | if not success: |
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271 | self.upload_success = False |
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272 | upload_refereeform = self.request.form.get('form.refereeform', None) |
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273 | if upload_refereeform: |
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274 | # We got a fresh refereeform upload |
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275 | success = handle_file_upload( |
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276 | upload_refereeform, self.context, self, attr='refereeform.pdf') |
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277 | if not success: |
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278 | self.upload_success = False |
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279 | upload_credentials = self.request.form.get('form.credentials', None) |
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280 | if upload_credentials: |
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281 | # We got a fresh credentials upload |
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282 | success = handle_file_upload( |
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283 | upload_credentials, self.context, self, attr='credentials.pdf') |
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284 | if not success: |
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285 | self.upload_success = False |
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286 | self.max_file_upload_size = string_from_bytes(MAX_FILE_UPLOAD_SIZE) |
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287 | return |
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288 | |
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289 | class ExtraForm(grok.View): |
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290 | """Renders the pdf form extension for applicants. |
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291 | """ |
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292 | grok.name('extraform.pdf') |
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293 | grok.context(ICustomApplicant) |
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294 | grok.require('waeup.viewApplication') |
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295 | |
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296 | def render(self): |
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297 | pdf = getUtility(IExtFileStore).getFileByContext( |
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298 | self.context, attr='extraform.pdf') |
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299 | self.response.setHeader('Content-Type', 'application/pdf') |
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300 | return pdf |
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301 | |
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302 | class RefereeForm(grok.View): |
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303 | """Renders the pdf referee's form for applicants. |
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304 | """ |
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305 | grok.name('refereeform.pdf') |
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306 | grok.context(ICustomApplicant) |
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307 | grok.require('waeup.viewApplication') |
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308 | |
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309 | def render(self): |
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310 | pdf = getUtility(IExtFileStore).getFileByContext( |
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311 | self.context, attr='refereeform.pdf') |
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312 | self.response.setHeader('Content-Type', 'application/pdf') |
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313 | return pdf |
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314 | |
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315 | class Credentials(grok.View): |
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316 | """Renders the pdf credential's form for applicants. |
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317 | """ |
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318 | grok.name('credentials.pdf') |
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319 | grok.context(ICustomApplicant) |
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320 | grok.require('waeup.viewApplication') |
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321 | |
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322 | def render(self): |
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323 | pdf = getUtility(IExtFileStore).getFileByContext( |
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324 | self.context, attr='credentials.pdf') |
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325 | self.response.setHeader('Content-Type', 'application/pdf') |
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326 | return pdf |
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