## $Id: utils.py 7280 2011-12-06 12:27:21Z 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 ## """General helper functions for the student section. """ import grok from random import SystemRandom as r from datetime import datetime from reportlab.pdfgen import canvas from reportlab.lib.units import cm from reportlab.lib.pagesizes import A4 from reportlab.lib.styles import getSampleStyleSheet from reportlab.platypus import (Frame, Paragraph, Image, Table, Spacer) from reportlab.platypus.tables import TableStyle from zope.component import getUtility from zope.formlib.form import setUpEditWidgets from waeup.sirp.interfaces import IExtFileStore from waeup.sirp.students.interfaces import IStudentsUtils SLIP_STYLE = TableStyle( [('VALIGN',(0,0),(-1,-1),'TOP')] ) def generate_student_id(students,letter): if letter == '?': letter= r().choice('ABCDEFGHKLMNPQRSTUVWXY') sid = u"%c%d" % (letter,r().randint(99999,1000000)) while sid in students.keys(): sid = u"%c%d" % (letter,r().randint(99999,1000000)) return sid def set_returning_data(student): student['studycourse'].current_level += 100 student['studycourse'].current_session += 1 verdict = student['studycourse'].current_verdict student['studycourse'].current_verdict = '0' student['studycourse'].previous_verdict = verdict return def set_up_widgets(view, ignore_request=False): view.adapters = {} view.widgets = setUpEditWidgets( view.form_fields, view.prefix, view.context, view.request, adapters=view.adapters, for_display=True, ignore_request=ignore_request ) def render_student_data(student, studentview): set_up_widgets(studentview, ignore_request=True) data = [] style = getSampleStyleSheet() img = getUtility(IExtFileStore).getFileByContext( studentview.context, attr='passport.jpg') #import pdb; pdb.set_trace() if img is None: from waeup.sirp.browser import DEFAULT_PASSPORT_IMAGE_PATH img = open(DEFAULT_PASSPORT_IMAGE_PATH, 'rb') doc_img = Image(img.name, width=4*cm, height=3*cm, kind='bound') data.append([doc_img]) data.append([Spacer(1, 12)]) for widget in studentview.widgets: if widget.name == 'form.adm_code': continue f_label = '%s:' % widget.label.strip() f_label = Paragraph(f_label, style["Normal"]) f_text = '%s' % widget() f_text = Paragraph(f_text, style["Normal"]) data.append([f_label,f_text]) table = Table(data,style=SLIP_STYLE) return table class StudentsUtils(grok.GlobalUtility): """A collection of methods subject to customization. """ grok.implements(IStudentsUtils) def getPaymentDetails(self,category, student): d = {} d['p_item'] = u'' d['amount'] = 0 d['error'] = u'' d['p_session'] = student['studycourse'].current_session session = str(d['p_session']) try: academic_session = grok.getSite()['configuration'][session] except KeyError: d['error'] = u'Session configuration object is not available.' return d d['surcharge_1'] = academic_session.surcharge_1 d['surcharge_2'] = academic_session.surcharge_2 d['surcharge_3'] = academic_session.surcharge_3 if category == 'schoolfee': d['amount'] = academic_session.school_fee_base d['p_item'] = student['studycourse'].certificate.code elif category == 'clearance': d['p_item'] = student['studycourse'].certificate.code d['amount'] = academic_session.clearance_fee elif category == 'bed_allocation': d['p_item'] = self.getAccommodationDetails(student)['bt'] d['amount'] = academic_session.booking_fee return d def getAccommodationDetails(self, student): d = {} d['error'] = u'' site_confoguration = grok.getSite()['configuration'] d['booking_session'] = site_confoguration.accommodation_session d['allowed_states'] = site_confoguration.accommodation_states # Determine bed type studycourse = student['studycourse'] entry_session = studycourse.entry_session current_level = studycourse.current_level end_level = studycourse.certificate.end_level if entry_session == grok.getSite()['configuration'].accommodation_session: bt = 'fr' elif current_level >= end_level: bt = 'fi' else: bt = 're' if student.sex == 'f': sex = 'female' else: sex = 'male' special_handling = 'regular' d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt) return d # In the standard configuration we select the first bed found, # but can also randomize the selection if we like. def selectBed(self, available_beds): return available_beds[0] def renderPDF(self, view, subject='', filename='slip.pdf', student=None, studentview=None): # (0,0),(-1,-1) = whole table # (0,0),(0,-1) = first column # (-1,0),(-1,-1) = last column # (0,0),(-1,0) = first row # (0,-1),(-1,-1) = last row pdf = canvas.Canvas(filename,pagesize=A4) pdf.setTitle(view.label) pdf.setSubject(subject) pdf.setAuthor('%s (%s)' % (view.request.principal.title, view.request.principal.id)) pdf.setCreator('WAeUP SIRP') width, height = A4 style = getSampleStyleSheet() pdf.line(1*cm,height-(1.8*cm),width-(1*cm),height-(1.8*cm)) story = [] frame_header = Frame(1*cm,1*cm,width-(1.7*cm),height-(1.7*cm)) header_title = getattr(grok.getSite(), 'name', u'Sample University') story.append(Paragraph(header_title, style["Heading1"])) frame_header.addFromList(story,pdf) story = [] frame_body = Frame(1*cm,1*cm,width-(2*cm),height-(3.5*cm)) story.append(Paragraph(view.label, style["Heading2"])) #story.append(HRFlowable()) if student: story.append(Spacer(1, 12)) studenttable = render_student_data(student, studentview) story.append(studenttable) story.append(Spacer(1, 12)) set_up_widgets(view) data = [] for widget in view.widgets: f_label = '%s:' % widget.label.strip() f_label = Paragraph(f_label, style["Normal"]) f_text = '%s' % widget() f_text = Paragraph(f_text, style["Normal"]) data.append([f_label,f_text]) # First, import browser components locally # to avoid circular import from waeup.sirp.students.viewlets import FileManager from waeup.sirp.browser import DEFAULT_IMAGE_PATH fm = FileManager(view.context, view.request, view) # Collect viewlets fm.update() # Insert list of scanned documents for viewlet in fm.viewlets: f_label = '%s' % viewlet.label f_label = Paragraph(f_label, style["Normal"]) if viewlet.template.__grok_name__ == 'imagedisplay': # In case we define FileDisplay viewlets with # an imagedisplay template in the customization package img = getUtility(IExtFileStore).getFileByContext( view.context, attr=viewlet.download_name) if img is None: img = open(DEFAULT_IMAGE_PATH, 'rb') doc_img = Image(img.name, width=2*cm, height=1*cm, kind='bound') data.append([f_label,doc_img]) else: f_text = '%s' % viewlet.title f_text = Paragraph(f_text, style["Normal"]) data.append([f_label,f_text]) table = Table(data,style=SLIP_STYLE) story.append(table) try: frame_body.addFromList(story,pdf) except IOError: view.flash('Error in image file.') return view.redirect(view.url(view.context)) story = [] frame_footer = Frame(1*cm,0,width-(2*cm),1*cm) timestamp = datetime.now().strftime("%d/%m/%Y %H:%M:%S") f_text = '%s' % timestamp story.append(Paragraph(f_text, style["Normal"])) frame_footer.addFromList(story,pdf) view.response.setHeader( 'Content-Type', 'application/pdf') return pdf.getpdfdata()