Add metatags to course page

apps/course/templates/course/course.html

@@ -3,7 +3,16 @@
 {% load data_liked from data_liked %}
 {% load rupluralize from plural %}
 {% block title %}{{ course.title }} - {{ block.super }}{% endblock title %}
-{% block description %}{{ course.title }} - {{ block.super }}{% endblock description%}
+{% comment %} seo tags {% endcomment %}
+{% block description %}{{ course.short_description }}{% endblock description%}
+{% block twurl %}{{ request.build_absolute_uri }}{% endblock twurl %}
+{% block ogtitle %}{{ course.title }} - {{ block.super }}{% endblock ogtitle %}
+{% block ogurl %}{{ request.build_absolute_uri }}{% endblock ogurl %}
+{% if course.cover %}
+{% block ogimage %}{{ request.build_absolute_uri }}{{ course.cover.url }}{% endblock ogimage %}
+{% endif %}
+{% block ogdescription %}{{ course.short_description }}{% endblock ogdescription %}
+
 {% block content %}
 <div class="section section_border">
   <div class="section__center center center_sm">

project/templates/lilcity/index.html

@@ -19,10 +19,10 @@
   <!--Twitter Card data-->
   <meta name="twitter:card" content="summary">
   <meta name="twitter:site" content="{% block twurl %}{{ request.build_absolute_uri }}{% endblock twurl %}">
-  <meta name="twitter:title" content="{% block twtitle %}Онлайн-курсы LilCity{% endblock twtitle %}">
-  <meta name="twitter:description" content="{% block twdescription %}Онлайн-курсы LilCity{% endblock twdescription %}">
+  {% comment %} <meta name="twitter:title" content="{% block twtitle %}Онлайн-курсы LilCity{% endblock twtitle %}"> {% endcomment %}
+  {% comment %} <meta name="twitter:description" content="{% block twdescription %}Онлайн-курсы LilCity{% endblock twdescription %}"> {% endcomment %}
   {% comment %} <meta name="twitter:creator" content="@author_handle"> {% endcomment %}
-  <meta name="twitter:image" content="{% block twimage %}{{ request.build_absolute_uri }}{% static 'img/video-1.jpg' %}{% endblock twimage %}">
+  {% comment %} <meta name="twitter:image" content="{% block twimage %}{{ request.build_absolute_uri }}{% static 'img/video-1.jpg' %}{% endblock twimage %}"> {% endcomment %}
   <!--Open Graph data-->
   <meta property="og:title" content="{% block ogtitle %}Онлайн-курсы LilCity{% endblock ogtitle %}">
   {% comment %} <meta property="og:type" content="article"> {% endcomment %}