/usr/lib/python2.7/dist-packages/schooltool/lyceum/journal/browser/attendance.py is in python-schooltool.lyceum.journal 2.6.3-0ubuntu1.
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# SchoolTool - common information systems platform for school administration
# Copyright (c) 2007 Shuttleworth Foundation
#
# 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, see <http://www.gnu.org/licenses/>.
#
"""
Lyceum attendance views.
"""
from zope.browserpage.viewpagetemplatefile import ViewPageTemplateFile
from zope.cachedescriptors.property import CachedProperty
from zope.component import getUtility
from zope.component import queryMultiAdapter
from zope.i18n import translate
from zope.interface import implements
from zope.formlib.widget import quoteattr
from zope.cachedescriptors.property import Lazy
from zc.table.interfaces import IColumn
from schooltool.app.interfaces import ISchoolToolApplication
from schooltool.app.interfaces import ISchoolToolCalendar
from schooltool.common import parse_date
from schooltool.course.interfaces import ILearner
from schooltool.table.interfaces import ITableFormatter
from schooltool.term.interfaces import ITermContainer
from schooltool.term.interfaces import IDateManager
from schooltool.lyceum.journal.browser.interfaces import IIndependentColumn
from schooltool.lyceum.journal.browser.interfaces import ISelectableColumn
from schooltool.lyceum.journal.browser.journal import LyceumSectionJournalView
from schooltool.lyceum.journal.browser.table import viewURL
from schooltool.lyceum.journal.browser.table import SelectableRowTableFormatter
from schooltool.lyceum.journal.browser.table import SelectStudentCellFormatter
from schooltool.lyceum.journal.browser.journal import StudentSelectionMixin
from schooltool.lyceum.journal.interfaces import ISectionJournal
from schooltool.lyceum.journal.interfaces import ISectionJournalData
from schooltool.lyceum.journal import LyceumMessage as _
class AttendanceTableFormatter(SelectableRowTableFormatter):
def renderSelectedCells(self, item):
cells = ''.join([self.renderSelectedCell(item, col)
for col in self.visible_columns[1:]])
return "<td>%s</td>%s" % (_("Explained:"), cells)
def renderSelectedCell(self, item, column):
sc = ISelectableColumn(column, None)
if sc:
return sc.renderSelectedCell(item, self)
return ' <td%s></td>\n' % self._getCSSClass('td')
def renderSelectedRow(self, item):
row = self._renderRow(item)
klass = self.cssClasses.get('tr', '')
if klass:
klass += ' '
return row + ' <tr class=%s>\n%s </tr>\n' % (
quoteattr(klass + self.row_classes[self.row % 2]),
self.renderSelectedCells(item))
class AttendanceSelectStudentCellFormatter(SelectStudentCellFormatter):
def __call__(self, value, item, formatter):
request = formatter.request
parameters = [('student', item.__name__)] + self.extra_parameters(request)
url = viewURL(self.context, request,
name='attendance.html',
parameters=parameters)
return '<a href="%s">%s</a>' % (url, value)
class AttendanceColumn(object):
implements(ISelectableColumn, IIndependentColumn)
def __init__(self, group, date, meetings):
self.meetings = meetings
self.date = date
self.group = group
self.name = date.strftime("%y-%m-%d")
def renderCell(self, student, formatter):
absences = 0
for meeting in self.meetings:
journal = ISectionJournal(meeting)
if journal.isAbsent(student, meeting):
absences += 1
if absences == 0:
return '<td></td>'
else:
return '<td style="background-color: #FFDDDD;">%s</td>' % absences
def extra_parameters(self, request):
parameters = []
for info in ['TERM', 'month', 'student']:
if info in request:
parameters.append((info, request[info]))
return parameters
def renderHeader(self, formatter):
header = self.date.strftime("%d")
parameters = [('date', self.date)] + self.extra_parameters(formatter.request)
url = viewURL(self.group, formatter.request,
name='attendance.html',
parameters=parameters)
header = '<a href="%s">%s</a>' % (url, header)
return '<span title="%s">%s</span>' % (
self.date.strftime("%Y-%m-%d"), header)
def renderSelectedCell(self, student, formatter):
absences = 0
for meeting in self.meetings:
journal = ISectionJournal(meeting)
if journal.isAbsent(student, meeting):
absences += 1
name = student.__name__ + "." + self.date.strftime("%Y-%m-%d")
value = True
for meeting in self.meetings:
calendar = meeting.__parent__
owner = calendar.__parent__
if student in owner.members:
value = value and ISectionJournalData(owner).getAbsence(student, meeting)
if absences == 0:
return '<td></td>'
else:
cell_content = '<input type="checkbox" name="%s" %s />' % (name, value and 'checked="checked"' or '')
if value:
cell_content += '<input type="hidden" name="%s.marker" value="checked"/>' % name
return '<td style="background-color: #FFDDDD;">%s</td>' % cell_content
class AttendanceTotalColumn(object):
implements(IColumn, IIndependentColumn)
def __init__(self, days):
self.days = days
self.name = "total"
def renderCell(self, student, formatter):
absences = 0
for date, meetings in self.days.items():
for meeting in meetings:
journal = ISectionJournal(meeting)
if journal.isAbsent(student, meeting):
absences += 1
if absences == 0:
return '<td></td>'
else:
return '<td>%s</td>' % str(absences)
def renderHeader(self, formatter):
return '<span>%s</span>' % translate(_("Total"), context=formatter.request)
class PeriodAttendanceColumn(object):
implements(ISelectableColumn, IIndependentColumn)
def __init__(self, meeting_id, meetings):
self.meetings = meetings
self.name = meeting_id
def renderCell(self, student, formatter):
absences = []
for meeting in self.meetings:
journal = ISectionJournal(meeting)
if journal.isAbsent(student, meeting):
absences.append(meeting)
if absences == []:
return '<td></td>'
else:
calendar = meeting.__parent__
owner = calendar.__parent__
absence_titles = [translate(owner.label, context=formatter.request)
for meeting in absences]
return '<td style="background-color: #FFDDDD;">n</td>'
def renderSelectedCell(self, student, formatter):
absences = []
for meeting in self.meetings:
journal = ISectionJournal(meeting)
if journal.isAbsent(student, meeting):
absences.append(meeting)
if absences == []:
return '<td></td>'
else:
name = student.__name__ + "." + self.name
value = False
for meeting in self.meetings:
calendar = meeting.__parent__
owner = calendar.__parent__
if student in owner.members:
value = value or ISectionJournalData(owner).getAbsence(student, meeting)
absence_titles = [translate(owner.label, context=formatter.request)
for meeting in absences]
cell_content = '<input type="checkbox" name="%s" %s />' % (name, value and 'checked="checked"' or '')
if value:
cell_content += '<input type="hidden" name="%s.marker" value="checked"/>' % name
return '<td style="background-color: #FFDDDD;">%s</td>' % cell_content
def renderHeader(self, formatter):
title = None
for meeting in self.meetings:
period = getattr(meeting, 'period', None)
if period is not None:
title = period.title
break
if title is None:
for meeting in self.meetings:
m_title = getattr(meeting, 'title', None)
if m_title is not None:
title = m_title
break
title = title or self.name
return '<span>%s</span>' % title
class GroupAttendanceView(LyceumSectionJournalView, StudentSelectionMixin):
"""A view for a section journal."""
template = ViewPageTemplateFile("templates/attendance.pt")
@property
def scheduled_terms(self):
terms = ITermContainer(self.context)
return sorted(terms.values(), key=lambda t: t.last)
def monthsInSelectedTerm(self):
month = -1
for date, meetings in sorted(self.allDays.items()):
if (date in self.getSelectedTerm() and
date.month != month):
yield date.month
month = date.month
def _setAbsence(self, student, meeting, id):
calendar = meeting.__parent__
owner = calendar.__parent__
marker = id + ".marker"
if id in self.request:
if student in owner.members:
ISectionJournal(meeting).setAbsence(student, meeting,
explained=True)
elif marker in self.request:
if student in owner.members:
ISectionJournal(meeting).setAbsence(student, meeting,
explained=False)
def updateDayAttendance(self, student):
for meeting in self.allDays[self.selectedDate()]:
id = student.__name__ + "." + meeting.meeting_id
self._setAbsence(student, meeting, id)
def updateMonthAttendance(self, student):
for date, meetings in self.days():
id = student.__name__ + "." + date.strftime("%Y-%m-%d")
for meeting in meetings:
self._setAbsence(student, meeting, id)
def updateAttendance(self):
student_id = self.request.get('student', None)
student = None
if student_id:
app = ISchoolToolApplication(None)
student = app['persons'].get(student_id)
if student:
if self.selectedDate():
self.updateDayAttendance(student)
else:
self.updateMonthAttendance(student)
def __call__(self):
if 'UPDATE_SUBMIT' in self.request:
self.updateAttendance()
app = ISchoolToolApplication(None)
person_container = app['persons']
self.attendance_table = queryMultiAdapter((person_container, self.request),
ITableFormatter)
self.selectStudents(self.attendance_table)
self.attendance_table.setUp(items=self.context.members,
formatters=[AttendanceSelectStudentCellFormatter(self.context)] * 2,
columns_after=self.attendanceColumns(),
batch_size=0,
table_formatter=self.createAttendanceTableFormatter)
return self.template()
def createAttendanceTableFormatter(self, *args, **kwargs):
kwargs['selected_items'] = self.selected_students
return AttendanceTableFormatter(*args, **kwargs)
@CachedProperty
def allDays(self):
students = list(self.context.members)
sections = set()
for person in students:
for section in ILearner(person).sections():
sections.add(section)
calendars = [ISchoolToolCalendar(section)
for section in list(sections)]
days = {}
for calendar in calendars:
for event in calendar:
date = event.dtstart.date()
days.setdefault(date, [])
days[date].append(event)
return days
def days(self):
for date, meetings in sorted(self.allDays.items()):
if date.month == self.active_month:
yield (date, meetings)
def attendanceColumns(self):
columns = []
if self.selectedDate():
for date, meetings in self.days():
if date == self.selectedDate():
meetings = sorted(meetings)
periods = []
period = []
meeting_id = meetings[0].meeting_id
for meeting in meetings:
if meeting_id == meeting.meeting_id:
period.append(meeting)
else:
periods.append((meeting_id, period))
meeting_id = meeting.meeting_id
period = [meeting]
if period:
periods.append((meeting_id, period))
for meeting_id, meetings in periods:
columns.append(PeriodAttendanceColumn(meeting_id, meetings))
else:
for date, meetings in self.days():
columns.append(AttendanceColumn(self.context, date, meetings))
columns.append(AttendanceTotalColumn(self.allDays))
return columns
def getSelectedTerm(self):
terms = ITermContainer(self.context)
term_id = self.request.get('TERM', None)
if term_id:
term = terms[term_id]
if term in self.scheduled_terms:
return term
return self.getCurrentTerm()
def monthURL(self, month_id):
parameters = [('month', month_id)] + self.extra_parameters(self.request)
return viewURL(self.context, self.request,
name='attendance.html',
parameters=parameters)
def selectedDate(self):
str_date = self.request.get('date', None)
if str_date:
return parse_date(str_date)
return None
def getCurrentTerm(self):
date = self.selectedDate()
if not date:
date = getUtility(IDateManager).today
for term in self.scheduled_terms:
if date in term:
return term
# should return last term closest to the selectedDate()
return self.scheduled_terms[-1]
@Lazy
def active_month(self):
available_months = list(self.monthsInSelectedTerm())
if 'month' in self.request:
month = int(self.request['month'])
if month in available_months:
return month
term = self.getSelectedTerm()
date = self.selectedDate()
if not date:
date = getUtility(IDateManager).today
if term.first <= date <= term.last:
month = date.month
if month in available_months:
return month
if not available_months:
return None
return available_months[-1]
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