Like if/else blocks?

embed-latest.tpl

{* Custom Embed template: Embed-Latest *}
{* User inserts an object, chooses embed-latest as view *}
{* Page viewer is then shown the most recent article or media_page under that object *}
{cache-block expiry=300 keys=array($object.id, $object.modified,$object.main_node_id)}
{def $article = fetch( 'content', 'list', 
                 hash( 'parent_node_id', $object.main_node_id ,
                       'sort_by', array( 'published', false() ),
                       'class_filter_type', 'include',
                       'class_filter_array', array('media_page', 'article', 'link', 'blog_post'),
                       'limit', 1))}
{def $pubdate=false()
     $img_src=false()
     $img_alt=false()
     $this_month=currentdate()|datetime('custom', '%F %Y')
     $publication=''
     $desc=''}

{if $article|count}
    {set $article = $article.0}
{/if}

{* This is hack-ish, and will have to be updated. Hotlinks aren't the best strategy. *}
{if $object.name|contains('Christian Science Sentinel')}
    {set $img_src='http://www.spirituality.com/sentinel/images/sentinel-cover.jpg'}
    {set $img_alt='Christian Science Sentinel'}
    {set $publication = 'Sentinel'}
{elseif $object.name|contains('The Christian Science Journal')}
    {set $img_src='http://www.spirituality.com/journal/images/journal-cover.jpg'}
    {set $img_alt='The Christian Science Journal'}
    {set $publication = 'Journal'}
{elseif $object.name|contains('The Christian Science Monitor')}
    {set $img_src='http://www.spirituality.com/monitor/images/monitor-cover.jpg'}
    {set $img_alt='The Christian Science Monitor'}
    {set $publication = 'Monitor'}
{elseif $object.name|contains('Herald')}
    {set $img_src='http://www.elheraldocc.com/heraldo/images/spanish-cover.jpg'}
    {set $img_alt='El Heraldo de la Ciencia Cristiana'}
    {set $publication = 'Herald'}
{elseif $object.name|contains('Your Daily Lift')}
    {set $img_src='DL-200x200-03.png'|ezimage(no)}
    {set $img_alt='Your Daily Lift'}
    {set $publication = 'Daily Lift'}
{elseif $object.name|contains('Sentinel chat')}
    {set $img_src='sentinel-audio-logo.jpg'|ezimage(no)}
    {set $img_alt='Sentinel Audio'}
    {set $publication = 'Sentinel Audio'}
{elseif $object.name|contains('Time4Thinkers')}
    {set $img_src='time4thinkers_small.jpg'|ezimage(no)}
    {set $img_alt='Time4Thinkers'}
    {set $publication = 'Time4Thinkers'}
{elseif $object.name|downcase()|contains('lectures')}
    {set $img_src='cs-lectures-logo-small.jpg'|ezimage(no)}
    {set $img_alt='Online lectures'}
    {set $publication = 'Lectures'}
{else}
    {* Fetching only images does not return results for some reason.
        def $class=fetch( 'content', 'class', hash( 'class_id', 'image' ) )*}

    {def $related_images = fetch( 'content', 'related_objects',
                                  hash( 'object_id', $object.id ) )}
    {if $related_images|count}
        {foreach $related_images as $img}
            {if $img.class_identifier|eq('image')}
            {if null($img.data_map.image.content.small)}
            <!-- {attribute_view_gui attribute=$img.data_map.image image_class='small'} -->
            {/if}
                {set $img_src = $img.data_map.image.content.small.url|ezurl(no)
                    $img_alt = $img.data_map.image.content.small.alternative_text}
                {break}
            {/if}
        {/foreach}
    {/if}
    {undef $related_images}
    {set $publication = $object.name}
{/if}
{* Find date, if exists. *}
{if $article.data_map.publication_date.has_content}
    {set $pubdate=$article.data_map.publication_date.content.timestamp|datetime('custom','%n/%d')}
{elseif $article.data_map.media_date.has_content}
    {set $pubdate=$article.data_map.media_date.content.timestamp|datetime('custom','%n/%d')}
{elseif $article.data_map.publish_date.has_content}
    {set $pubdate=$article.data_map.publish_date.content.timestamp|datetime('custom','%n/%d')}
{elseif $article.object.published}
    {set $pubdate=$article.object.published|datetime('custom','%n/%d')}
{/if}
{* Create description. *}
{if $article.data_map.summary.has_content}
    {set $desc=$article.data_map.summary.content.output.output_text|strip_tags|wash|trim}
{elseif $article.data_map.description.has_content}
    {set $desc=$article.data_map.description.content.output.output_text|strip_tags|wash|trim}
{elseif $article.data_map.body.has_content}
    {set $desc=$article.data_map.body.content.output.output_text|strip_tags|wash|trim|jshsummary}
{elseif $article.data_map.byline.has_content}
    {set $desc=$article.data_map.byline.content|jshmarkdown}
{else}
    {set $desc=$object.name|jshmarkdown}
{/if}
{* Special case for Media Pages *}
{if $article.class_identifier|eq('media_page')}
    {if $object.name|eq('Your Daily Lift')}{* Lift's use Byline for description *}
        {set $desc=$article.data_map.byline.content|jshmarkdown}
    {else}{* Media pages use text block for summary vs XML block for article *}
        {set $desc=$article.data_map.summary.content|jshmarkdown}
    {/if}
{/if}
<div class="block feed-reader">
    <article class="{$article.parent.class_identifier} block-item">
{if $article.object.class_identifier|eq('link')}
        <header>
        {if $img_src}
            <a href={$article.data_map.location.content|ezurl} title="{$article.data_map.name.content}" target="_blank">
                <img src="{$img_src}" width="98" alt="{$img_alt} {$this_month}" />
            </a>
        {/if}
        </header>
        <h4 class="item-title">
            <a href={$article.data_map.location.content|ezurl} title="{$article.data_map.name.content}" target="_blank">{$article.data_map.name.content}</a>
        </h4>
{else}
        <header>
        {if $img_src}
            <a href={if $article.url_alias}{$article.url_alias|ezurl(full)}{else}{$object.main_node.url|ezurl(full)}{/if} title="{if is_set($article)}{$article.data_map.title.data_text}{else}{$object.name}{/if}">
                <img src="{$img_src}" width="98" alt="{$img_alt} {$this_month}" />
            </a>
        {/if}
        </header>
        <h4 class="item-title">
            <a href={$article.url_alias|ezurl(full)} title="{$article.data_map.title.data_text}">{$article.data_map.title.data_text}</a>
        </h4>
{/if}
        <p>
            <span class="byline">{$publication}{if $pubdate} {$pubdate}{/if}</span>&mdash;{$desc}
        </p>
    </article>
</div>
{undef $article $pubdate $desc $img_src $img_alt $this_month $publication}
{/cache-block}