## $Id: browser.py 10284 2013-06-06 10:41:40Z henrik $
##
## Copyright (C) 2012 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
##
import grok
from zope.i18n import translate
from zope.schema.interfaces import ConstraintNotSatisfied
from zope.component import getUtility
from hurry.workflow.interfaces import IWorkflowInfo
from waeup.kofa.interfaces import REQUESTED, IExtFileStore, IKofaUtils
from waeup.kofa.widgets.datewidget import FriendlyDatetimeDisplayWidget
from waeup.kofa.browser.layout import KofaEditFormPage
from waeup.kofa.browser.layout import action, jsaction
from waeup.kofa.students.browser import (
    StudyLevelEditFormPage, StudyLevelDisplayFormPage,
    StudentBasePDFFormPage, ExportPDFCourseRegistrationSlipPage,
    CourseTicketDisplayFormPage, StudentTriggerTransitionFormPage,
    msave, emit_lock_message)
from waeup.kofa.students.interfaces import IStudentsUtils, ICourseTicket
from waeup.kofa.students.workflow import FORBIDDEN_POSTGRAD_TRANS
from kofacustom.nigeria.students.browser import (
    NigeriaOnlinePaymentDisplayFormPage,
    NigeriaStudentBaseManageFormPage,
    NigeriaStudentClearanceEditFormPage,
    NigeriaOnlinePaymentAddFormPage,
    NigeriaExportPDFPaymentSlipPage,
    NigeriaExportPDFClearanceSlipPage,
    )

from waeup.uniben.students.interfaces import (
    ICustomStudentOnlinePayment, ICustomStudentStudyCourse,
    ICustomStudentStudyLevel)
from waeup.uniben.interfaces import MessageFactory as _

class CustomOnlinePaymentDisplayFormPage(NigeriaOnlinePaymentDisplayFormPage):
    """ Page to view an online payment ticket
    """
    grok.context(ICustomStudentOnlinePayment)
    form_fields = grok.AutoFields(ICustomStudentOnlinePayment).omit(
        'provider_amt', 'gateway_amt', 'thirdparty_amt', 'p_item')
    form_fields[
        'creation_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')
    form_fields[
        'payment_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')

class CustomStudentClearanceEditFormPage(NigeriaStudentClearanceEditFormPage):
    """ View to edit student clearance data by student
    """

    def dataNotComplete(self):
        store = getUtility(IExtFileStore)
        if not store.getFileByContext(self.context, attr=u'birth_certificate.jpg'):
            return _('No birth certificate uploaded.')
        if not store.getFileByContext(self.context, attr=u'ref_let.jpg'):
            return _('No guarantor/referee letter uploaded.')
        if not store.getFileByContext(self.context, attr=u'acc_let.jpg'):
            return _('No acceptance letter uploaded.')
        if not store.getFileByContext(self.context, attr=u'fst_sit_scan.jpg'):
            return _('No first sitting result uploaded.')
        #if not store.getFileByContext(self.context, attr=u'scd_sit_scan.jpg'):
        #    return _('No second sitting result uploaded.')
        if not store.getFileByContext(self.context, attr=u'secr_cults.jpg'):
            return _('No affidavit of non-membership of secret cults uploaded.')
        return False

class CustomOnlinePaymentAddFormPage(NigeriaOnlinePaymentAddFormPage):
    """ Page to add an online payment ticket
    """
    form_fields = grok.AutoFields(ICustomStudentOnlinePayment).select(
        'p_category')

class CustomExportPDFPaymentSlipPage(NigeriaExportPDFPaymentSlipPage):
    """Deliver a PDF slip of the context.
    """
    grok.context(ICustomStudentOnlinePayment)
    form_fields = grok.AutoFields(ICustomStudentOnlinePayment).omit(
        'provider_amt', 'gateway_amt', 'thirdparty_amt', 'p_item')
    form_fields['creation_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')
    form_fields['payment_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')


class CustomExportPDFClearanceSlipPage(NigeriaExportPDFClearanceSlipPage):
    """Deliver a PDF slip of the context.
    """

    def render(self):
        studentview = StudentBasePDFFormPage(self.context.student,
            self.request, self.omit_fields)
        students_utils = getUtility(IStudentsUtils)
        return students_utils.renderPDF(
            self, 'clearance_slip.pdf',
            self.context.student, studentview, signatures=self._signatures(),
            sigs_in_footer=self._sigsInFooter(), show_scans=False,
            omit_fields=self.omit_fields)

class StudyCourseCOEditFormPage(KofaEditFormPage):
    """ Page to edit the student study course data by clearance officers.

    This form page is available only in Uniben.
    """
    grok.context(ICustomStudentStudyCourse)
    grok.name('edit_level')
    grok.require('waeup.clearStudent')
    label = _('Edit current level')
    pnav = 4
    form_fields = grok.AutoFields(
        ICustomStudentStudyCourse).select('current_level')

    def update(self):
        if not (self.context.is_current and
            self.context.student.state == REQUESTED):
            emit_lock_message(self)
            return
        super(StudyCourseCOEditFormPage, self).update()
        return

    @action(_('Save'), style='primary')
    def save(self, **data):
        try:
            msave(self, **data)
        except ConstraintNotSatisfied:
            # The selected level might not exist in certificate
            self.flash(_('Current level not available for certificate.'))
            return
        #notify(grok.ObjectModifiedEvent(self.context.__parent__))
        return

class CustomStudyLevelEditFormPage(StudyLevelEditFormPage):
    """ Page to edit the student study level data by students.

    """
    grok.template('studyleveleditpage')

class CustomStudyLevelDisplayFormPage(StudyLevelDisplayFormPage):
    """ Page to display student study levels
    """
    grok.template('studylevelpage')

class CustomExportPDFCourseRegistrationSlipPage(
    ExportPDFCourseRegistrationSlipPage):
    """Deliver a PDF slip of the context.
    """

    form_fields = grok.AutoFields(ICustomStudentStudyLevel).omit(
        'level_verdict')

    def render(self):
        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
        Code = translate('Code', 'waeup.kofa', target_language=portal_language)
        Title = translate('Title', 'waeup.kofa', target_language=portal_language)
        Dept = translate('Dept.', 'waeup.kofa', target_language=portal_language)
        Faculty = translate('Faculty', 'waeup.kofa', target_language=portal_language)
        Cred = translate(_('Credits'), 'waeup.uniben', target_language=portal_language)
        studentview = StudentBasePDFFormPage(self.context.student,
            self.request, self.omit_fields)
        students_utils = getUtility(IStudentsUtils)
        tabledata_1 = sorted(
            [value for value in self.context.values() if value.semester == 1],
            key=lambda value: str(value.semester) + value.code)
        tabledata_2 = sorted(
            [value for value in self.context.values() if value.semester == 2],
            key=lambda value: str(value.semester) + value.code)
        tabledata_3 = sorted(
            [value for value in self.context.values() if value.semester == 3],
            key=lambda value: str(value.semester) + value.code)
        tableheader = [(Code,'code', 2.5),
                         (Title,'title', 5),
                         (Dept,'dcode', 1.5), (Faculty,'fcode', 1.5),
                         (Cred, 'credits', 1.5),
                         ]
        return students_utils.renderPDF(
            self, 'course_registration_slip.pdf',
            self.context.student, studentview,
            tableheader_1=tableheader,
            tabledata_1=tabledata_1,
            tableheader_2=tableheader,
            tabledata_2=tabledata_2,
            tableheader_3=tableheader,
            tabledata_3=tabledata_3,
            omit_fields=self.omit_fields
            )

class UnibenExportPDFCourseResultSlipPage(ExportPDFCourseRegistrationSlipPage):
    """Deliver a PDF slip of the context.
    """

    grok.name('course_result_slip.pdf')

    @property
    def label(self):
        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
        lang = self.request.cookies.get('kofa.language', portal_language)
        level_title = translate(self.context.level_title, 'waeup.kofa',
            target_language=lang)
        return translate(_('Course Result Slip'),
            'waeup.uniben', target_language=portal_language) \
            + ' %s' % level_title

    def render(self):
        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
        Code = translate('Code', 'waeup.kofa', target_language=portal_language)
        Title = translate('Title', 'waeup.kofa', target_language=portal_language)
        Dept = translate('Dept.', 'waeup.kofa', target_language=portal_language)
        Faculty = translate('Faculty', 'waeup.kofa', target_language=portal_language)
        Cred = translate(_('Credits'), 'waeup.uniben', target_language=portal_language)
        Grade = translate('Grade', 'waeup.kofa', target_language=portal_language)
        studentview = StudentBasePDFFormPage(self.context.student,
            self.request, self.omit_fields)
        students_utils = getUtility(IStudentsUtils)
        tabledata_1 = sorted(
            [value for value in self.context.values() if value.semester == 1],
            key=lambda value: str(value.semester) + value.code)
        tabledata_2 = sorted(
            [value for value in self.context.values() if value.semester == 2],
            key=lambda value: str(value.semester) + value.code)
        tabledata_3 = sorted(
            [value for value in self.context.values() if value.semester == 3],
            key=lambda value: str(value.semester) + value.code)
        tableheader = [(Code,'code', 2.5),
                         (Title,'title', 5),
                         (Dept,'dcode', 1.5), (Faculty,'fcode', 1.5),
                         (Cred, 'credits', 1.5),
                         (Grade, 'grade', 1.5),
                         ]
        return students_utils.renderPDF(
            self, 'course_registration_slip.pdf',
            self.context.student, studentview,
            tableheader_1=tableheader,
            tabledata_1=tabledata_1,
            tableheader_2=tableheader,
            tabledata_2=tabledata_2,
            tableheader_3=tableheader,
            tabledata_3=tabledata_3,
            omit_fields=self.omit_fields
            )

class CustomCourseTicketDisplayFormPage(CourseTicketDisplayFormPage):
    """ Page to display course tickets
    """
    form_fields = grok.AutoFields(ICourseTicket).omit('score')