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

  • Committer: William Grant
  • Date: 2010-02-24 09:51:04 UTC
  • Revision ID: grantw@unimelb.edu.au-20100224095104-nl3ndy0cysz2ioad
Add support for "really deep" (more than two segment) views.

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ivle/webapp/admin/projectservice.py
 
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# IVLE - Informatics Virtual Learning Environment
 
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# Copyright (C) 2007-2009 The University of Melbourne
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
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# Author: Nick Chadwick
 
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import datetime
 
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import formencode
 
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import formencode.validators
 
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import ivle.database
 
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from ivle.database import ProjectSet, Project, Subject, Semester, Offering
 
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from ivle.webapp.base.forms import VALID_URL_NAME
 
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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, BadRequest
 
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class ProjectSetRESTView(XHTMLRESTView):
 
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    """Rest view for a projectset.
 
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    Add new, delete, edit functionality is given here."""
 
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    template = "templates/projectset_fragment.html"
 
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    def _project_url(self, project):
 
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        return "/subjects/%s/%s/%s/+projects/%s" % \
 
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                (self.context.offering.subject.short_name,
 
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                 self.context.offering.semester.year,
 
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                 self.context.offering.semester.semester,
 
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                 project.short_name)
 
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    @named_operation('edit')
 
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    def add_project(self, req, name, short_name, deadline, synopsis, url):
 
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        """Add a Project to this ProjectSet"""
 
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        if not VALID_URL_NAME.match(short_name):
 
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            raise BadRequest(
 
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                "Project names must consist of a lowercase alphanumeric "
 
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                "character followed by any number of lowercase alphanumerics, "
 
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                "., +, - or _.")
 
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        if req.store.find(
 
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            Project,
 
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            Project.short_name == unicode(short_name),
 
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            Project.project_set_id == ProjectSet.id,
 
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            ProjectSet.offering == self.context.offering).one():
 
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            raise BadRequest(
 
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                "A project with that URL name already exists in this offering."
 
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                )
 
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        try:
 
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            formencode.validators.URL().to_python(url)
 
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        except formencode.Invalid, e:
 
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            raise BadRequest(str(e))
 
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        new_project = Project()
 
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        new_project.name = unicode(name)
 
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        new_project.short_name = unicode(short_name)
 
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        new_project.url = unicode(url)
 
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        new_project.synopsis = unicode(synopsis)
 
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        try:
 
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            new_project.deadline = datetime.datetime.strptime(deadline, '%Y-%m-%d %H:%M:%S')
 
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        except ValueError:
 
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            raise BadRequest("deadline must be in YYYY-MM-DD HH:MM:ss")
 
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        new_project.project_set = self.context
 
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        req.store.add(new_project)
 
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        req.store.flush()
 
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        self.template = "templates/project_fragment.html"
 
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        self.ctx['req'] = req
 
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        self.ctx['project'] = new_project
 
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        return {'success': True, 'projectset_id': self.context.id}