Add comment system

app/templates/macros/threads.html

@@ -0,0 +1,27 @@
+{% macro render_thread(thread, current_user) -%}
+	<ul>
+		{% for r in thread.replies %}
+			<li>
+				&lt;<a href="{{ url_for('user_profile_page', username=r.author.username) }}">{{ r.author.display_name }}</a>&gt;
+				{{ r.comment }}
+			</li>
+		{% endfor %}
+	</ul>
+
+	{% if current_user.is_authenticated %}
+		<form method="post" action="{{ url_for('thread_page', id=thread.id)}}">
+			<input type="hidden" name="csrf_token" value="{{ csrf_token() }}" />
+			<textarea required maxlength=500 name="comment"></textarea><br />
+			<input type="submit" value="Comment" />
+		</form>
+	{% endif %}
+{% endmacro %}
+
+{% macro render_threadlist(threads) -%}
+	<ul>
+		{% for t in threads %}
+			<li><a href="{{ url_for('thread_page', id=t.id) }}">{{ t.title }}</a> by {{ t.author.display_name }}</li>
+		{% endfor %}
+	</ul>
+
+{% endmacro %}