public static function add_column_content_to_episodes_table($column_name)
 {
     global $wpdb;
     switch ($column_name) {
         case 'downloads':
             if ($episode = \Podlove\Model\Episode::find_one_by_post_id(get_the_ID())) {
                 echo number_format_i18n(\Podlove\Model\DownloadIntentClean::total_by_episode_id($episode->id));
             }
             break;
     }
 }
    public static function numbers()
    {
        $episode = Model\Episode::find_one_by_id((int) $_REQUEST['episode']);
        $cache = \Podlove\Cache\TemplateCache::get_instance();
        echo $cache->cache_for('podlove_analytics_episode' . $episode->id, function () use($episode) {
            $post = get_post($episode->post_id);
            $releaseDate = new \DateTime($post->post_date);
            $releaseDate->setTime(0, 0, 0);
            $diff = $releaseDate->diff(new \DateTime());
            $daysSinceRelease = $diff->days;
            $downloads = array('total' => Model\DownloadIntentClean::total_by_episode_id($episode->id, "1000 years ago", "now"), 'month' => Model\DownloadIntentClean::total_by_episode_id($episode->id, "28 days ago", "yesterday"), 'week' => Model\DownloadIntentClean::total_by_episode_id($episode->id, "7 days ago", "yesterday"), 'yesterday' => Model\DownloadIntentClean::total_by_episode_id($episode->id, "1 day ago"), 'today' => Model\DownloadIntentClean::total_by_episode_id($episode->id, "now"));
            $peak = Model\DownloadIntentClean::peak_download_by_episode_id($episode->id);
            ob_start();
            ?>

			<div class="analytics-metric-box">
				<span class="analytics-description">Average</span>
				<span class="analytics-value"><?php 
            echo number_format_i18n($downloads['total'] / ($daysSinceRelease + 1), 1);
            ?>
</span>
				<span class="analytics-subtext">Downloads per Day</span>
			</div>

			<div class="analytics-metric-box">
				<span class="analytics-description">Peak</span>
				<span class="analytics-value"><?php 
            echo number_format_i18n($peak['downloads']);
            ?>
</span>
				<span class="analytics-subtext">Downloads<br>on <?php 
            echo mysql2date(get_option('date_format'), $peak['theday']);
            ?>
</span>
			</div>

			<div class="analytics-metric-box">
				<span class="analytics-description">Total</span>
				<span class="analytics-value"><?php 
            echo number_format_i18n($downloads['total']);
            ?>
</span>
				<span class="analytics-subtext">Downloads</span>
			</div>

			<div class="analytics-metric-box">
				<table>
					<tbody>
						<tr>
							<td>28 Days</td>
							<td><?php 
            echo number_format_i18n($downloads['month']);
            ?>
</td>
						</tr>
						<tr>
							<td>7 Days</td>
							<td><?php 
            echo number_format_i18n($downloads['week']);
            ?>
</td>
						</tr>
						<tr>
							<td>Yesterday</td>
							<td><?php 
            echo number_format_i18n($downloads['yesterday']);
            ?>
</td>
						</tr>
						<tr>
							<td>Today</td>
							<td><?php 
            echo number_format_i18n($downloads['today']);
            ?>
</td>
						</tr>
					</tbody>
				</table>
			</div>

			<style type="text/css">
			.analytics-metric-box {
				text-align: center;
				float: left;
				margin: 20px 0 20px 20px;
			}
			.analytics-metric-box > span {
				font-size: 23px;
				line-height: 23px;
				display: block;
			}

			.analytics-metric-box .analytics-value {
				font-weight: bold;
				line-height: 40px;
			}

			.analytics-metric-box .analytics-description,
			.analytics-metric-box .analytics-subtext {
				font-size: 14px;
				line-height: 16px;
				color: #666;
			}
			</style>

			<div class="clear"></div>
			<?php 
            $html = ob_get_contents();
            ob_end_clean();
            return $html;
        }, 600);
        // 10 minutes
    }