Added a ticket queues object to organize tickets; added ability to change a ticket's queue

views/queue/create.twig

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+{% extends 'layout.twig' %}
+
+{% block title %}Create New Queue{% endblock %}
+
+{% block content %}
+  <div class="row">
+    <div class="columns twelve">
+      <h1>Create new queue</h1>
+    </div>
+  </div>
+
+  <div class="row">
+    <div class="columns twelve">
+      <form id="queue-form" action="/queue/create" method="POST" class="u-full-width">
+        <div class="row">
+          <div class="twelve columns">
+            <label for="queue_title">Title</label>
+            <input id="queue_title" class="u-full-width" type="text" placeholder="My new queue" name="queue_title">
+          </div>
+        </div>
+
+        <label for="queue_description">Description</label>
+        <textarea id="queue_description" class="u-full-width" placeholder="Explain what this queue is about..." name="queue_description"></textarea>
+
+        <input class="button-primary u-full-width" type="submit" value="Submit">
+      </form>
+    </div>
+  </div>
+{% endblock %}

views/queue/view.twig

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+{% extends 'layout.twig' %}
+
+{% block title %}Ticket Queue: {{ queue.title }}{% endblock %}
+
+{% block content %}
+  <!-- queue content -->
+  <div class="row">
+    <div class="twelve columns">
+      <div id="queue-header" class="row">
+        <div class="columns twelve">
+          <h1 class="queue-title">{{ queue.title }}</h1>
+          <h4 class="queue-created">Created at: <span>{{ queue.formatCreatedAt() }}</span></h4>
+          <h4 class="queue-updated">Last updated at:  <span>{{ queue.formatUpdatedAt() }}</span></h4>
+        </div>
+      </div>
+
+      <div id="queue-description" class="row">
+        <div class="columns twelve">
+          {{ queue.render() | raw }}
+        </div>
+      </div>
+    </div>
+  </div>
+
+  <hr>
+
+  <!-- queue tickets -->
+  <div class="row">
+    <div class="twelve columns">
+      <ul id="queue-list" class="row">
+        <h3>Tickets in this queue:</h3>
+        {% if queue.tickets | length > 0 %}
+          {% for ticket in queue.tickets %}
+            <li>
+              <a href="{{ url_for('ticket.view', { ticket_id: ticket.id }) }}">{{ ticket.title }}</a>
+            </li>
+          {% endfor %}
+        {% else %}
+          <p>There are no tickets in this queue.</p>
+        {% endif %}
+      </ul>
+    </div>
+  </div>
+{% endblock %}