LIL-94 Show timer if course deferred start

apps/course/models.py

@@ -1,4 +1,5 @@
 from django.db import models
+from django.utils import timezone
 
 
 class Course(models.Model):
@@ -19,6 +20,14 @@ class Course(models.Model):
             return False
         return True
 
+    def is_deferred_start(self):
+        if not self.deferred_start:
+            return False
+
+        if timezone.now() < self.deferred_start:
+            return True
+        return False
+
     class Meta:
         verbose_name = "Курс"
         verbose_name_plural = "Курсы"

project/templates/lilcity/_courses_item.html

@@ -5,7 +5,7 @@
   {% if course.is_highlighted %}
     <div class="courses__label courses__label_fav"></div>
   {% endif %}
-  {% if course.deferred_start %}
+  {% if course.is_deferred_start %}
     <div class="courses__soon">
       <div class="courses__left">До запуска курса осталось:</div>
       <div class="courses__time">16 часов 13 минут</div>