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Viewing changes to ivle/webapp/groups/__init__.py

  • Committer: William Grant
  • Date: 2009-02-23 23:47:02 UTC
  • mfrom: (1099.1.211 new-dispatch)
  • Revision ID: grantw@unimelb.edu.au-20090223234702-db4b1llly46ignwo
Merge from lp:~ivle-dev/ivle/new-dispatch.

Pretty much everything changes. Reread the setup docs. Backup your databases.
Every file is now in a different installed location, the configuration system
is rewritten, the dispatch system is rewritten, URLs are different, the
database is different, worksheets and exercises are no longer on the
filesystem, we use a templating engine, jail service protocols are rewritten,
we don't repeat ourselves, we have authorization rewritten, phpBB is gone,
and probably lots of other things that I cannot remember.

This is certainly the biggest commit I have ever made, and hopefully
the largest I ever will.

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ivle/webapp/groups/__init__.py
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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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# App: groups
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# Author: Matt Giuca
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# Date: 21/7/2008
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# Allows students and tutors to manage project groups.
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# XXX Does not distinguish between current and past subjects.
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import cgi
 
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# Author: Matt Giuca, Will Grant
 
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'''
 
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Allows students and tutors to manage project groups.
 
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'''
 
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# TODO Does not distinguish between current and past subjects.
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from ivle import caps
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from ivle.database import Subject
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from ivle import util
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import genshi
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import genshi.core
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import genshi.template
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def handle(req):
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    # Set request attributes
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    req.content_type = "text/html"
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    req.styles = ["media/groups/groups.css"]
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    req.scripts = [
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        "media/groups/groups.js",
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        "media/common/util.js",
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        "media/common/json2.js",
 
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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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class GroupsView(XHTMLView):
 
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    """
 
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    The groups view
 
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    """
 
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    template = 'template.html'
 
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    appname = 'groups' # XXX
 
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    def authorize(self, req):
 
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        return req.user is not None
 
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    def populate(self, req, ctx):
 
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        self.plugin_styles[Plugin] = ['groups.css']
 
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        self.plugin_scripts[Plugin] = ['groups.js']
 
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        # Show a group panel per enrolment
 
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        ctx['get_user_groups'] = req.user.get_groups
 
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        ctx['enrolments'] = req.user.active_enrolments
 
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        ctx['manage_subjects'] = req.store.find(Subject) if \
 
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              req.user.hasCap(caps.CAP_MANAGEGROUPS) else []
 
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class Plugin(ViewPlugin, MediaPlugin):
 
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    """
 
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    The Plugin class for the group admin plugin.
 
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    """
 
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    urls = [
 
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        ('groups/', GroupsView),
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    ]
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    req.write_html_head_foot = True     # Have dispatch print head and foot
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    ctx = genshi.template.Context()
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    ctx['enrolments'] = []
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    # Show a group panel per enrolment
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    enrolments = req.user.active_enrolments
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    if enrolments.count() == 0:
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        ctx['no_enrolments'] = True
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    else:
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        ctx['no_enrolments'] = False
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    for enrolment in enrolments:
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        add_subject_panel(req, enrolment.offering, ctx)
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    if req.user.hasCap(caps.CAP_MANAGEGROUPS):
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        ctx['manage_groups'] = True
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        ctx['manage_subjects'] = []
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        subjects = req.store.find(Subject)
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        for s in subjects:
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            new_s = {}
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            new_s['id'] = s.id
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            new_s['name'] = s.name
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            new_s['code'] = s.code
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            ctx['manage_subjects'].append(new_s)
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    else:
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        ctx['manage_groups'] = False
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    loader = genshi.template.TemplateLoader(".", auto_reload=True)
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    tmpl = loader.load(util.make_local_path("apps/groups/template.html"))
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    req.write(tmpl.generate(ctx).render('html'))
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def add_subject_panel(req, offering, ctx):
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    """
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    Show the group management panel for a particular subject.
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    Prints to req.
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    """
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    # Get the groups this user is in, for this offering
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    groups = req.user.get_groups(offering)
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    if groups.count() == 0:
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        return
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    offering_groups = {}
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    offering_groups['offering_id'] = offering.id
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    offering_groups['offering_name'] = offering.subject.name
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    offering_groups['groups'] = []
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    #TODO: Use a better way to manage group membership and invitations
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    for group in groups:
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        new_group = {}
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        new_group['nick'] = cgi.escape(group.nick if group.nick else '')
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        new_group['name'] = cgi.escape(group.name)
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        # XXX - This should be set to reflect whether or not a user is invited
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        #     - or if they have accepted the offer
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        new_group['is_member'] = True
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        new_group['members'] = []
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        for user in group.members:
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            member = {}
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            member['fullname'] = cgi.escape(user.fullname)
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            member['login'] = cgi.escape(user.login)
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            new_group['members'].append(member)
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        offering_groups['groups'].append(new_group)
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    ctx['enrolments'].append(offering_groups)
 
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    media = 'media'
 
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    help = {'Groups': 'help.html'}