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Viewing changes to www/apps/groups/__init__.py

  • Committer: mattgiuca
  • Date: 2008-07-21 17:38:18 UTC
  • Revision ID: svn-v3-trunk0:2b9c9e99-6f39-0410-b283-7f802c844ae2:trunk:926
db: Added get_enrolment and get_groups_by_user methods to retrieve details
    from the DB.
groups app: Added top-level handler which queries the DB for information about
    the current user's subjects and groups and displays some of the HTML
    required on this page.

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www/apps/groups/__init__.py
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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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from common import util
 
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import common.db
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def handle(req):
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    # Set request attributes
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    req.scripts = ["media/groups/groups.js"]
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    req.write_html_head_foot = True     # Have dispatch print head and foot
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    # Start writing data
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    req.write('<div id="ivle_padding">\n')
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    req.write("<p>Group Management Panel (Under Construction)</p>\n")
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    req.write("</div>\n")
 
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    # Show a group panel per enrolment
 
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    db = common.db.DB()
 
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    try:
 
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        subjects = db.get_enrolment(req.user.login)
 
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        # Sort by year,semester,subj_code (newer subjects first)
 
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        # Leave all fields as strings, just in case (eg. semester='y')
 
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        subjects.sort(key=lambda (_oid,subj_code,_sn,_ssn,year,semester):
 
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                            (year,semester,subj_code),
 
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                      reverse=True)
 
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        if len(subjects) == 0:
 
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            req.write("<p>Error: You are not currently enrolled in any subjects."
 
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                      "</p>\n")
 
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        for offeringid,_,subj_name,_,_,_ in subjects:
 
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            show_subject_panel(req, db, offeringid, subj_name)
 
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        req.write("</div>\n")
 
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    finally:
 
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        db.close()
 
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def show_subject_panel(req, db, offeringid, subj_name):
 
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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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    req.write("<h1>%s</h1>\n" % cgi.escape(subj_name))
 
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    # Get the groups this user is in, for this offering
 
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    groups = db.get_groups_by_user(req.user.login, offeringid=offeringid)
 
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    for groupid, groupnm, group_nick, is_member in groups:
 
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        req.write("<h2>%s (%s)</h2>\n" %
 
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            (cgi.escape(group_nick), cgi.escape(groupnm)))
 
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        if is_member:
 
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            req.write('<p>You are in this group.\n'
 
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                '  <input type="button" onclick="manage(&quot;%s&quot;)" '
 
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                'value="Manage" /></p>\n' % (cgi.escape(groupnm)))
 
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        else:
 
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            req.write('<p>You have been invited to this group.</p>\n')
 
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            req.write('<p>'
 
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                '<input type="button" '
 
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                'onclick="accept(&quot;%(groupnm)s&quot;)" '
 
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                'value="Accept" />\n'
 
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                '<input type="button" '
 
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                'onclick="decline(&quot;%(groupnm)s&quot;)" '
 
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                'value="Decline" />\n'
 
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                '</p>\n' % {"groupnm": cgi.escape(groupnm)})
 
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        req.write("<h3>Members</h3>\n")
 
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        req.write("<table>\n")
 
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        # TODO: Fill in members table
 
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        req.write("</table>\n")
 
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    if True:        # XXX Only if offering allows students to create groups
 
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        req.write('<input type="button" onclick="create(%d)" '
 
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            'value="Create Group" />\n' % offeringid)