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

  • Committer: William Grant
  • Date: 2009-08-12 04:30:38 UTC
  • Revision ID: grantw@unimelb.edu.au-20090812043038-pil4b76apx9rw86x
Allow tutors to add exercises.

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ivle/webapp/admin/offeringservice.py
 
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import ivle.database
 
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from ivle.database import ProjectSet, Subject, Semester, Offering
 
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from ivle.webapp.base.rest import (XHTMLRESTView, named_operation,
 
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                                   require_permission)
 
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from ivle.webapp.errors import NotFound
 
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class OfferingRESTView(XHTMLRESTView):
 
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    """REST view for a subject.
 
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    This view allows for added a ProjectSet to an existing subject."""
 
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    template = "subject.html"
 
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    def __init__(self, req, subject, year, semester):
 
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        self.context = req.store.find(Offering,
 
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                Offering.subject_id == Subject.id,
 
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                Subject.short_name == unicode(subject),
 
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                Offering.semester_id == Semester.id,
 
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                Semester.year == unicode(year),
 
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                Semester.semester == unicode(semester)).one()
 
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        if self.context is None:
 
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            raise NotFound()
 
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    def new_project_url(self, projectset):
 
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        return "/api/subjects/" + str(self.context.subject.id) + "/" +\
 
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               self.context.semester.year + "/" +\
 
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               self.context.semester.semester + "/+projectsets/" +\
 
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               (str(projectset.id)) + "/+projects/+new"
 
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    @named_operation('edit')
 
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    def add_projectset(self, req, group_size):
 
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        """Add a new ProjectSet"""
 
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        new_projectset = ProjectSet()
 
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        if group_size == '':
 
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            new_projectset.max_students_per_group = None
 
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        else:
 
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            new_projectset.max_students_per_group = int(group_size)
 
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        new_projectset.offering = self.context
 
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        req.store.add(new_projectset)
 
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        req.store.flush()
 
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        self.ctx['projectset'] = new_projectset
 
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        self.ctx['projects'] = []
 
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        self.ctx['new_project_url'] = self.new_project_url(new_projectset)
 
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        self.template = 'templates/projectset_fragment.html'
 
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        return {'success': True, 'projectset_id': new_projectset.id}