Fix course template

apps/course/templates/course/course.html

@@ -36,7 +36,7 @@
         <div class="course__meta meta">
           <div class="meta__item">
             <div class="meta__icon"><svg class="icon icon-time"><use xlink:href="{% static 'img/sprite.svg' %}#icon-time"></use></svg></div>
-            <div class="meta__title">12 часов</div>
+            <div class="meta__title">{{ course.duration }}</div>
           </div>
           <div class="meta__item">
             <div class="meta__icon"><svg class="icon icon-date"><use xlink:href="{% static 'img/sprite.svg' %}#icon-date"></use></svg></div>
@@ -50,7 +50,7 @@
         <div class="course__meta meta">
           <div class="meta__item">
             <div class="meta__icon"><svg class="icon icon-showcase"><use xlink:href="{% static 'img/sprite.svg' %}#icon-showcase"></use></svg></div>
-            <div class="meta__title">5 уроков</div>
+            <div class="meta__title">{{ course.lessons.count }}</div>
           </div>
           <div class="meta__item">
             <div class="meta__icon"><svg class="icon icon-video"><use xlink:href="{% static 'img/sprite.svg' %}#icon-video"></use></svg></div>
@@ -176,7 +176,7 @@
       <div class="course__meta meta meta_white">
         <div class="meta__item">
           <div class="meta__icon"><svg class="icon icon-time"><use xlink:href="{% static 'img/sprite.svg' %}#icon-time"></use></svg></div>
-          <div class="meta__title">12 часов</div>
+          <div class="meta__title">{{ course.duration }}</div>
         </div>
         <div class="meta__item">
           <div class="meta__icon"><svg class="icon icon-date"><use xlink:href="{% static 'img/sprite.svg' %}#icon-date"></use></svg></div>