Collection in not showing in breadcrumb

[fawadzia]

{% unless template == 'index' or template == 'cart' or template == 'list-collections' %}
<nav class="breadcrumb" role="navigation" aria-label="breadcrumbs">
<a href="javascript&colon;window.history.back()">Home</a>
{% if template contains 'page' %}
<span aria-hidden="true">&rsaquo;</span>
<span>{{ page.title }}</span>
{% elsif template contains 'product' %}
{% if collection.url %}
<span aria-hidden="true">&rsaquo;</span>
{{ collection.title | link_to: collection.url }}
{% endif %}
<span aria-hidden="true">&rsaquo;</span>
<span>{{ product.title }}</span>
{% elsif template contains 'collection' and collection.handle %}
<span aria-hidden="true">&rsaquo;</span>
{% if current_tags %}
{% capture url %}/collections/{{ collection.handle }}{% endcapture %}
{{ collection.title | link_to: url }}
<span aria-hidden="true">&rsaquo;</span>
<span>{{ current_tags | join: " + " }}</span>
{% else %}
<span>{{ collection.title }}</span>
{% endif %}
{% elsif template == 'blog' %}
<span aria-hidden="true">&rsaquo;</span>
{% if current_tags %}
{{ blog.title | link_to: blog.url }}
<span aria-hidden="true">&rsaquo;</span>
<span>{{ current_tags | join: " + " }}</span>
{% else %}
<span>{{ blog.title }}</span>
{% endif %}
{% elsif template == 'article' %}
<span aria-hidden="true">&rsaquo;</span>
{{ blog.title | link_to: blog.url }}
<span aria-hidden="true">&rsaquo;</span>
<span>{{ article.title }}</span>
{% else %}
<span aria-hidden="true">&rsaquo;</span>
<span>{{ page_title }}</span>
{% endif %}
</nav>
{% endunless %}