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Viewing changes to ivle/webapp/admin/subject.py

  • Committer: William Grant
  • Date: 2010-02-15 10:09:00 UTC
  • Revision ID: grantw@unimelb.edu.au-20100215100900-1gp5wy3yrduxt9bq
https://launchpad.net/bugs/522051
Add UI to clone worksheets between offerings -- replacing ivle-cloneworksheets.

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ivle/webapp/admin/subject.py
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from ivle.webapp.base.forms import BaseFormView
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from ivle.webapp.base.plugins import ViewPlugin, MediaPlugin
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from ivle.webapp.base.xhtml import XHTMLView
 
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from ivle.webapp.errors import BadRequest
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from ivle.webapp import ApplicationRoot
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from ivle.database import Subject, Semester, Offering, Enrolment, User,\
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        ctx['format_datetime'] = ivle.date.make_date_nice
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        ctx['format_datetime_short'] = ivle.date.format_datetime_for_paragraph
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        ctx['OfferingEdit'] = OfferingEdit
 
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        ctx['OfferingCloneWorksheets'] = OfferingCloneWorksheets
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        ctx['GroupsView'] = GroupsView
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        # As we go, calculate the total score for this subject
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        return new_offering
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class OfferingCloneWorksheetsSchema(formencode.Schema):
 
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    subject = formencode.All(
 
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        SubjectValidator(), formencode.validators.UnicodeString())
 
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    semester = formencode.All(
 
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        SemesterValidator(), formencode.validators.UnicodeString())
 
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class OfferingCloneWorksheets(BaseFormView):
 
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    """A form to clone worksheets from one offering to another."""
 
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    template = 'templates/offering-clone-worksheets.html'
 
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    tab = 'subjects'
 
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    def authorize(self, req):
 
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        return req.user is not None and req.user.admin
 
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    @property
 
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    def validator(self):
 
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        return OfferingCloneWorksheetsSchema()
 
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    def populate(self, req, ctx):
 
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        super(OfferingCloneWorksheets, self).populate(req, ctx)
 
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        ctx['subjects'] = req.store.find(Subject).order_by(Subject.name)
 
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        ctx['semesters'] = req.store.find(Semester).order_by(
 
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            Semester.year, Semester.semester)
 
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    def get_default_data(self, req):
 
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        return {}
 
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    def save_object(self, req, data):
 
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        if self.context.worksheets.count() > 0:
 
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            raise BadRequest(
 
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                "Cannot clone to target with existing worksheets.")
 
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        offering = req.store.find(
 
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            Offering, subject=data['subject'], semester=data['semester']).one()
 
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        if offering is None:
 
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            raise BadRequest("No such offering.")
 
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        if offering.worksheets.count() == 0:
 
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            raise BadRequest("Source offering has no worksheets.")
 
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        self.context.clone_worksheets(offering)
 
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        return self.context
 
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class UserValidator(formencode.FancyValidator):
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    """A FormEncode validator that turns a username into a user.
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             (Semester, '+edit', SemesterEdit),
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             (Offering, '+index', OfferingView),
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             (Offering, '+edit', OfferingEdit),
 
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             (Offering, '+clone-worksheets', OfferingCloneWorksheets),
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             (Offering, ('+enrolments', '+index'), EnrolmentsView),
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             (Offering, ('+enrolments', '+new'), EnrolView),
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             (Offering, ('+projects', '+index'), OfferingProjectsView),