var table = {{ datatable.model_table_setup }};
var indexes = table.initsetup.tableOptions.indexes;
var heading_index = indexes.indexOf('heading');
var description_index = indexes.indexOf('description');
var background_colour_index = indexes.indexOf('background_colour');
var start_date_field_index = indexes.indexOf('start_date_field');
var end_date_field_index = indexes.indexOf('end_date_field');
var description = indexes.indexOf('description');
var link_index = -1;
if(table.initsetup.tableOptions.row_href) {
    link_details = table.initsetup.tableOptions.row_href[0];
    link_index = table.initsetup.field_ids.indexOf(link_details.column);
}
$.each(table.data, function( index, card ) {
    try {
        var start_date = toISOFormat(card[start_date_field_index]);
        var end_date = toISOFormat(card[end_date_field_index]);

        // skip if either date is invalid
        if (!start_date || !end_date || isNaN(Date.parse(start_date)) || isNaN(Date.parse(end_date))) {
            return true; // continue
        }

        var link = '';
        if(link_index >= 0) {
            link = link_details.html.replace(link_details.var, card[link_index]);
        }
        var event = {
            title: card[heading_index],
            start: start_date,
            end: end_date,
            backgroundColor: card[background_colour_index],
            borderColor: card[background_colour_index],
            description: card[description],
            url: link
        }
        events.push(event)

    } catch (e) {
        return true; // continue on error
    }
});