{% if (app.flashes['success'] is defined and app.flashes['success'] is not empty) %}
{% set _flash_messages = app.flashes['success'] %}
{% for _flash_message in _flash_messages %}
<div class="alert alert-success">
{{ _flash_message }}
</div>
{% endfor %}
{% endif %}
{% if (app.flashes['error'] is defined and app.flashes['error'] is not empty) %}
{% set _flash_messages = app.flashes['error'] %}
{% for _flash_message in _flash_messages %}
<div class="alert alert-danger">
{{ _flash_message }}
</div>
{% endfor %}
{% endif %}