LIL-237. Fix cover

apps/course/templates/course/_items.html

@@ -8,7 +8,7 @@
 >
 <a class="courses__preview" href="{% url 'course' course.id %}?next={{ request.get_full_path }}">
   {% if course.cover %}
-  <img class="courses__pic" src="{{ course.cover.url }}"/>
+  <img class="courses__pic" src="{{ course.cover.image.url }}"/>
   {% else %}
   <img class="courses__pic" src="{% static 'img/no_cover.png' %}"/>
   {% endif %}

apps/course/templates/course/course.html

@@ -142,7 +142,11 @@
         </button>
       </div>
       <a class="course__video video" href="#">
-        <img class="video__pic" src="{% static 'img/video-1.jpg' %}">
+        {% if course.cover %}
+        <img class="video__pic" src="{{ course.cover.image.url }}"/>
+        {% else %}
+        <img class="video__pic" src="{% static 'img/no_cover.png' %}"/>
+        {% endif %}      
         {% if course.is_deferred_start %}
         <div class="video__soon">
           <div class="video__title">Курс начнется:</div>
@@ -263,7 +267,10 @@
     {% include "course/content/gallery.html" with results=True %}
   </div>
 </div>
-<div class="course course_promo" style="background-image: url({% static 'img/video-1.jpg' %});">
+<div 
+  class="course course_promo"
+  style="background-image: url({% if course.cover %}{{ course.cover.image.url }}{% else %}{% static 'img/no_cover.png' %}{% endif %});"
+  >
   <div class="course__center center center_sm">
     <div class="course__head">
       <div class="course__theme theme theme_green">ПЕРСОНАЖИ</div>
@@ -326,7 +333,7 @@
               <use xlink:href="{% static 'img/sprite.svg' %}#icon-date"></use>
             </svg>
           </div>
-          <div class="meta__title">15 ноября</div>
+          <div class="meta__title">{{ course.created_at | date:"d F Yг." }}</div>
         </div>
         <div class="meta__item">
           <div class="meta__icon">