refactor: move google calendar URI formating into event model

Author: CrisKrus

apps/events/models.py

@@ -79,11 +79,18 @@ class Meta:
     def slug(self):
         return self.hashtag.lower()
 
-    def get_end_datetime(self):
-        event_duration =  self.default_slot_duration.total_seconds()
-        start_datetime = self.start_datetime().strftime('%s')
-        end_datetime = float(start_datetime) + event_duration
-        return datetime.datetime.fromtimestamp(end_datetime)
+    def end_datetime(self):
+        try:
+            return self.schedule.order_by('end').last().end
+        except AttributeError:
+            end_time = datetime.time(
+                23, 59, 59, tzinfo=timezone.get_current_timezone())
+            return datetime.datetime.combine(self.start_date, end_time)
+
+    def get_google_calendar_url(self):
+        start_datetime = self.start_datetime().strftime('%Y%m%dT%H%M%S%Z')
+        end_datetime = self.end_datetime().strftime('%Y%m%dT%H%M%S%Z')
+        return f"https://www.google.com/calendar/render?action=TEMPLATE&text={self.name}&details={self.description}&location={self.venue}&dates={start_datetime}%2F{end_datetime}"
 
     @classmethod
     def get_by_slug(cls, slug):

apps/events/templates/events/event.html

@@ -127,7 +127,7 @@ <h1 class="title section-title">
           {% endif %}
         {% empty %}
           <div class="column is-full has-text-centered coming-soon">
-            <a target="_blank" href="https://www.google.com/calendar/render?action=TEMPLATE&text={{ event.name }}&details={{ event.description }}&location={{ event.venue }}&dates={{ event.start_datetime | date:'Ymd\THis\Z' }}%2F{{ event.get_end_datetime | date:'Ymd\THis\Z' }}">Añadir a Google Calendar</a>
+            <a target="_blank" href="{{ event.get_google_calendar_url }}">Añadir a Google Calendar</a>
             <p>
               <i class="fas fa-box-open"></i>
               Más información próximamente!

apps/events/templates/events/includes/event-section.html

@@ -20,7 +20,7 @@ <h1 class="title is-3">
             </h1>
             <div class="event-date">
               <i class="far fa-calendar-alt"></i> {{ event.start_date|as_date }}
-              <a target="_blank" href="https://www.google.com/calendar/render?action=TEMPLATE&text={{ event.name }}&details={{ event.description }}&location={{ event.venue }}&dates={{ event.start_datetime | date:'Ymd\THis\Z' }}%2F{{ event.get_end_datetime | date:'Ymd\THis\Z' }}">Añadir a Google Calendar</a>
+              <a target="_blank" href="{{ event.get_google_calendar_url }}">Añadir a Google Calendar</a>
             </div>
             {% if event.venue %}
               <div class="event-location">