issue2550831: Make the classic template query.edit page work. R David Murray had a number of fixes. At least some of the fixes were already present in the devel and responsive templates. I touched up the html a bit and did what I hope aresome improvement for performance by shoving criteria into the filter rather than looping over all issues and filtering at the tal level. Also used R David's method to add a restore feature and work around an issue where a retired (deleted) query could still be in the active list. But because it was retired there was no way to manipulate it.

from roundup.mailgw import parseContent

def summarygenerator(db, cl, nodeid, newvalues):
    ''' If the message doesn't have a summary, make one for it.
    '''
    if newvalues.has_key('summary') or not newvalues.has_key('content'):
        return

    summary, content = parseContent(newvalues['content'], config=db.config)
    newvalues['summary'] = summary


def init(db):
    # fire before changes are made
    db.msg.audit('create', summarygenerator)

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#SHA: 538f90cb7f4eb63f77eca252b87afbe037d29c48