LIL-557. Add coming soon block

apps/school/models.py

@@ -1,3 +1,4 @@
+import arrow
 from datetime import datetime, timedelta
 
 from django.db import models
@@ -65,6 +66,10 @@ class SchoolSchedule(models.Model):
         ).first()
         return live_lesson
 
+    @property
+    def start_at_humanize(self):
+        return arrow.get(self.start_at).humanize(locale='ru') if self.start_at else None
+
 
 class SchoolScheduleImage(models.Model):
     schoolschedule = models.ForeignKey(

project/templates/blocks/promo.html

@@ -11,6 +11,10 @@
     <div class="main__title">
       <span class="main__bold">Lil School</span> — первая образовательная онлайн-платформа креативного мышления для детей
     </div>
+    {% if online_coming_soon and school_schedule and school_schedule.start_at_humanize %}
+    <div class="main__content">До начала урока «{{ school_schedule.title }}»</div>
+    <div class="main__time">{{ school_schedule.start_at_humanize }}</div>
+    {% else %}
     <div class="main__subtitle">
       Присоединяйтесь в Рисовальный лагерь
     </div>
@@ -30,8 +34,9 @@
         {% if is_purchased_future and not is_purchased %}ваша подписка начинается {{school_purchased_future.date_start}}{% endif %}
         {% if is_purchased %}ваша подписка истекает {{ subscription_ends_humanize }}<br/>перейти к оплате{% endif %}
       </a>
-
       <a class="main__btn btn btn_white" href="{% url 'school:summer-school' %}">О лагере</a>
+      {% endif %}
+
     </div>
   </div>
 </div>

project/views.py

@@ -27,6 +27,8 @@ class IndexView(TemplateView):
             school_schedule = SchoolSchedule.objects.get(weekday=now_time.isoweekday())
         except SchoolSchedule.DoesNotExist:
             online = False
+            online_coming_soon = False
+            school_schedule = None
         else:
             end_at = datetime.combine(now_time.today(), school_schedule.start_at)
             online = (
@@ -34,6 +36,12 @@ class IndexView(TemplateView):
                 (end_at + timedelta(hours=2)).time() >= now_time.time() and
                 school_schedule.current_live_lesson()
             )
+            online_coming_soon = (
+                school_schedule.start_at < now_time.time() and
+                (school_schedule.start_at - timedelta(hours=5)).time() >= now_time.time() and
+                school_schedule.current_live_lesson()
+            )
+
         date_now = now_time.date()
         if self.request.user.is_authenticated:
             school_payment = SchoolPayment.objects.filter(
@@ -62,6 +70,7 @@ class IndexView(TemplateView):
 
         context.update({
             'online': online,
+            'online_coming_soon': online_coming_soon,
             'course_items': Course.objects.filter(status=Course.PUBLISHED)[:6],
             'is_purchased': school_payment_exists,
             'min_school_price': SchoolSchedule.objects.aggregate(Min('month_price'))['month_price__min'],