Changeset 10096 for main/waeup.futminna/trunk/src/waeup

Timestamp:

23 Apr 2013, 09:45:04 (11 years ago)

Author:

Henrik Bettermann

Message:

Enable pdf file upload of Offline Form Extension.

Location:

main/waeup.futminna/trunk/src/waeup/futminna/applicants

Files:

• browser.py (modified) (9 diffs)
• browser_templates/applicantdisplaypage.pt (modified) (1 diff)
• browser_templates/applicanteditpage.pt (added)
• interfaces.py (modified) (3 diffs)
• tests/test_browser.py (added)
• viewlets.py (added)

main/waeup.futminna/trunk/src/waeup/futminna/applicants/browser.py

@@ -19 +19 @@
 """
 import grok
+import os
+from zope.component import getUtility
+from waeup.kofa.interfaces import (
+    IExtFileStore, IFileStoreNameChooser)
 from zope.formlib.textwidgets import BytesDisplayWidget
+from waeup.kofa.utils.helpers import string_from_bytes, file_size
 from waeup.futminna.applicants.interfaces import (
+    ICustomApplicant,
     ICustomUGApplicant,
     ICustomPGApplicant,
@@ -34 +40 @@
     PG_OMIT_EDIT_FIELDS,
     )
+from waeup.futminna.interfaces import MessageFactory as _
 from kofacustom.nigeria.applicants.browser import (
     NigeriaApplicantDisplayFormPage,
@@ -40 +47 @@
     NigeriaPDFApplicationSlip)
 
+MAX_FILE_UPLOAD_SIZE = 1024 * 500
+
+def handle_file_upload(upload, context, view, attr=None):
+    """Handle upload of applicant files.
+
+    Returns `True` in case of success or `False`.
+
+    Please note that file pointer passed in (`upload`) most probably
+    points to end of file when leaving this function.
+    """
+    size = file_size(upload)
+    if size > MAX_FILE_UPLOAD_SIZE:
+        view.flash(_('Uploaded file is too big!'))
+        return False
+    dummy, ext = os.path.splitext(upload.filename)
+    ext.lower()
+    if ext != '.pdf':
+        view.flash(_('pdf file extension expected.'))
+        return False
+    upload.seek(0) # file pointer moved when determining size
+    store = getUtility(IExtFileStore)
+    file_id = IFileStoreNameChooser(context).chooseName(attr=attr)
+    store.createFile(file_id, upload)
+    return True
 
 class CustomApplicantDisplayFormPage(NigeriaApplicantDisplayFormPage):
@@ -48 +79 @@
 
     @property
+    def file_links(self):
+        html = ''
+        pdf = getUtility(IExtFileStore).getFileByContext(
+            self.context, attr='formextension.pdf')
+        if pdf:
+            html += '<a href="formextension.pdf">Offline Form Extension</a>'
+        return html
+
+    @property
     def form_fields(self):
         target = getattr(self.context.__parent__, 'prefix', None)
@@ -58 +98 @@
             for field in UG_OMIT_DISPLAY_FIELDS:
                 form_fields = form_fields.omit(field)
-        form_fields['perm_address'].custom_widget = BytesDisplayWidget
+        if form_fields.get('perm_address', None):
+            form_fields['perm_address'].custom_widget = BytesDisplayWidget
         form_fields['notice'].custom_widget = BytesDisplayWidget
         if not getattr(self.context, 'student_id'):
@@ -70 +111 @@
         return form_fields
 
+    def update(self):
+        super(CustomApplicantDisplayFormPage, self).update()
+        self.formextension_url = self.url(self.context, 'formextension.pdf')
+        return
+
 class CustomPDFApplicationSlip(NigeriaPDFApplicationSlip):
 
@@ -96 +142 @@
     """A full edit view for applicant data.
     """
-    
+    grok.template('applicanteditpage')
+
     @property
     def form_fields(self):
@@ -112 +159 @@
         return form_fields
 
+    def update(self):
+        super(CustomApplicantManageFormPage, self).update()
+        upload_formextension = self.request.form.get('form.formextension', None)
+        if upload_formextension:
+            # We got a fresh formextension upload
+            self.upload_success = handle_file_upload(
+                upload_formextension, self.context, self, attr='formextension.pdf')
+            if self.upload_success:
+                self.context.writeLogMessage(self, 'saved: formextension')
+        self.max_file_upload_size = string_from_bytes(MAX_FILE_UPLOAD_SIZE)
+        return
+
 class CustomApplicantEditFormPage(NigeriaApplicantEditFormPage):
     """An applicant-centered edit view for applicant data.
     """
+    grok.template('applicanteditpage')
 
     @property
@@ -130 +190 @@
         form_fields['reg_number'].for_display = True
         return form_fields
+
+    def dataNotComplete(self):
+        store = getUtility(IExtFileStore)
+        if not store.getFileByContext(self.context, attr=u'passport.jpg'):
+            return _('No passport picture uploaded.')
+        if not store.getFileByContext(self.context, attr=u'formextension.pdf'):
+            return _('No form extension pdf file uploaded.')
+        if not self.request.form.get('confirm_passport', False):
+            return _('Passport picture confirmation box not ticked.')
+        return False
+
+    def update(self):
+        if self.context.locked or (
+            self.context.__parent__.expired and
+            self.context.__parent__.strict_deadline):
+            self.emit_lock_message()
+            return
+        super(CustomApplicantEditFormPage, self).update()
+        upload_formextension = self.request.form.get('form.formextension', None)
+        if upload_formextension:
+            # We got a fresh formextension upload
+            self.upload_success = handle_file_upload(
+                upload_formextension, self.context, self, attr='formextension.pdf')
+        self.max_file_upload_size = string_from_bytes(MAX_FILE_UPLOAD_SIZE)
+        return
+
+class FormExtension(grok.View):
+    """Renders the pdf form extension for applicants.
+    """
+    grok.name('formextension.pdf')
+    grok.context(ICustomApplicant)
+    grok.require('waeup.viewApplication')
+
+    def render(self):
+        pdf = getUtility(IExtFileStore).getFileByContext(
+            self.context, attr='formextension.pdf')
+        self.response.setHeader('Content-Type', 'application/pdf')
+        return pdf

main/waeup.futminna/trunk/src/waeup/futminna/applicants/browser_templates/applicantdisplaypage.pt

@@ -36 +36 @@
       </td>
     <tr>
+    <tr>
+      <td class="fieldname" i18n:translate="">
+        Files:
+      </td>
+      <td>
+        <span tal:replace="structure view/file_links" />
+      </td>
+    </tr>
   </tbody>
 </table>

main/waeup.futminna/trunk/src/waeup/futminna/applicants/interfaces.py

@@ -136 +136 @@
         """
 
-class ICustomUGApplicantEdit(INigeriaUGApplicantEdit):
+class ICustomUGApplicantEdit(ICustomUGApplicant):
     """An undergraduate applicant interface for edit forms.
 
@@ -148 +148 @@
     """
 
-class ICustomPGApplicantEdit(INigeriaPGApplicantEdit):
+class ICustomPGApplicantEdit(ICustomPGApplicant):
     """A postgraduate applicant interface for editing.
 
@@ -160 +160 @@
     """
 
+
 class ICustomApplicantOnlinePayment(INigeriaApplicantOnlinePayment):
     """An applicant payment via payment gateways.
 
-    """
-
-class IPUTMEApplicantEdit(IPUTMEApplicantEdit):
-    """An undergraduate applicant interface for editing.
-
-    Here we can repeat the fields from base data and set the
-    `required` and `readonly` attributes to True to further restrict
-    the data access. Or we can allow only certain certificates to be
-    selected by choosing the appropriate source.
-
-    We cannot omit fields here. This has to be done in the
-    respective form page.
     """