Merge branch 'dev' into 'master'

lesson link fix

See merge request lilcity/backend!47

apps/course/templates/course/course_only_lessons.html

@@ -173,10 +173,10 @@
       <div class="lessons__title title">Содержание курса</div>
       <div class="lessons__list">
         {% for lesson in course.lessons.all %}
-        {% if request.user.role == request.user.ADMIN_ROLE %}
+        {% if course.author == request.user or request.user.role >= request.user.TEACHER_ROLE or paid %}
         <a href="{% url 'lesson' pk=lesson.id %}">
         {% else %}
-        <a href="{% if course.author == request.user and request.user.role >= request.user.AUTHOR_ROLE %}{% url 'lesson' pk=lesson.id %}{% else %}#{% endif %}">
+        <a href="#">
         {% endif %}
           <div class="lessons__item">
             <div class="lessons__subtitle subtitle">{{ forloop.counter }}. {{ lesson.title }}</div>