# $Id$
# $URL$
# $Id$
# $URL$

namespaceMap = {
    'rating': "http://meresco.com/namespace/record/rating"
}

def showRating(recordId, imageSize="normal"):
    maximumRating = 5
    averageScore = 0
    numberOfVotes = 0
    if any.isPartAvailable(recordId, 'rating'):
        rating = parse(any.getStream(recordId, 'rating'))
        averageScore = int(rating.xpath('//rating:averageScore/text()', namespaceMap)[0])
        numberOfVotes = int(rating.xpath('//rating:numberOfVotes/text()', namespaceMap)[0])
    average = averageScore/1000.0
    score = int(average + 0.4999)
    averageTitle = 'average rating %.1f (number of ratings %s)' % (average, numberOfVotes)
    yield '<span class="showrating">'
    yield '<img src="/files/star_%s_full.png" alt="*" title="%s"/>' % (imageSize, averageTitle) * score
    yield '<img src="/files/star_%s_empty.png" alt="" title="%s"/>' % (imageSize, averageTitle) * (maximumRating - score)
    yield '<span class="numberOfVotes">(%s)</span></span>' % numberOfVotes

def showCreateRating(headers, recordId):
    if any.recordInList(headers, recordId):
        yield 'Already rated'
        return
    yield "Rate this "
    yield """<script language="javascript" type="text/javascript">
    <!--
        var recordRating = new RecordRating('recordRating',
            'rating_star_',
            '/files/star_normal_full.png',
            '/files/star_normal_empty.png',
            0);
    //-->
    </script>\n"""
    yield '<span class="ratingstar">'
    for i in range(1,6):
        yield '<a class="rate_link" href="/rateRecord?%s">' % escapeHtml(urlencode({'recordId':recordId, 'value': i}))
        yield '<img class="rating_star" src="/files/star_normal_empty.png" '
        yield 'id="rating_star_%s" ' % i
        yield 'title="%s" ' % 'Rate with %s stars' % i
        yield 'alt="%s" ' % 'Rate with %s stars' % i
        yield 'onmouseover="recordRating.showStars(%s);" ' % i
        yield 'onmouseout="recordRating.clearStars();"/></a>'
    yield '</span>\n'