_datasets.gsp

datasets: [
        <g:each in="${data.entrySet().sort { data.get(it.key).get(lastDate).rating }.reverse()}" var="te" status="teamEntryIndex">
            {
                data: [
            <g:each in="${dR}" var="d" status="dateIndex">
                <g:if test="${te.value.get(d)?.rating}">
                    <g:formatNumber number="${te.value.get(d)?.rating}" format="0.00"/>
                </g:if>
                <g:if test="${dateIndex != dR.size() - 1}">,</g:if>
            </g:each>
            ],
            fill: false,
            label: '${te.key.name}'
                            ,
                            borderColor: colors[${teamEntryIndex}],
                            backgroundColor: colors[${teamEntryIndex}],
                            borderWidth: 1
                        }
            <g:if test="${teamEntryIndex != data.entrySet().size() - 1}">,</g:if>
        </g:each>
        ]