✨ Add custom admin and add thumbnail in video list (#15)

* feat: add custom admin and add thumbnail in video list

* fix: lint issues

* fix: requested changes

* fix: lint issues

* fix: lint issues

---------

Co-authored-by: Palwisha Akhtar <[email protected]>

events/admin.py

@@ -1,7 +1,41 @@
 from django.contrib import admin
 
-from .models import Event, Tag, VideoAsset
+from events.forms import VideoAssetForm
+from events.models import Event, Tag, VideoAsset
 
-admin.site.register(Event)
-admin.site.register(VideoAsset)
+
+class VideoAssetInline(admin.StackedInline):
+    """ Custom StackedInline admin for VideoAsset """
+
+    form = VideoAssetForm
+    model = VideoAsset
+    max_num = 1
+    min_num = 1
+    can_delete = False
+    # WIP: Automatically detect the file_size and video duration.
+    # readonly_fields = ('file_size', 'duration')
+
+
+class EventAdmin(admin.ModelAdmin):
+    """ Custom Admin for Event model """
+
+    list_display = ('title', 'event_type', 'status', 'event_time', 'creator')
+    list_filter = ('event_type', 'status', 'event_time')
+    search_fields = ('title', 'description')
+    inlines = [VideoAssetInline]
+
+    fieldsets = (
+        (None, {
+            'fields': ('creator', 'title', 'description', 'event_time',
+                       'event_type', 'status', 'workstream_id', 'is_featured',
+                       'tags')
+        }),
+    )
+
+    def has_delete_permission(self, request, obj=None):
+        """ Do not allow deletion of Event directly """
+        return False
+
+
+admin.site.register(Event, EventAdmin)
 admin.site.register(Tag)

events/forms.py

@@ -0,0 +1,24 @@
+from django import forms
+
+from events.models import VideoAsset
+
+
+class VideoAssetForm(forms.ModelForm):
+    """ Custom form for VideoAsset Model """
+
+    google_drive_link = forms.CharField(
+        max_length=255, required=False, label="Google Drive Link (Optional)"
+    )
+
+    class Meta:
+        model = VideoAsset
+        fields = ('title', 'video_file', 'duration', 'thumbnail', 'file_size')
+
+    def clean(self):
+        """ Infer, save and clean the data related to videoasset """
+        cleaned_data = super().clean()
+        # WIP: Access the google_drive_link from the form's cleaned_data
+        # Download the video file, save the file in storage and set the
+        # video_file field.
+        cleaned_data.pop("google_drive_link")
+        return cleaned_data

events/v1/serializers.py

@@ -20,19 +20,27 @@ class EventSerializer(serializers.ModelSerializer):
 
     publisher = PublisherSerializer(source='creator')
     tags = serializers.SerializerMethodField()
+    thumbnail = serializers.SerializerMethodField()
 
     class Meta:
         model = Event
         fields = (
-            'id', 'title', 'description', 'publisher', 'event_time', 'event_type', 'status', 'workstream_id',
-            'is_featured', 'tags'
+            'id', 'title', 'description', 'publisher', 'event_time',
+            'event_type', 'status', 'workstream_id', 'is_featured', 'tags',
+            'thumbnail'
         )
 
     @staticmethod
     def get_tags(event):
         """ Get the tags of an event """
         return event.tags.all().values_list('name', flat=True)
 
+    @staticmethod
+    def get_thumbnail(event):
+        """ Get thumbnail of an event if available """
+        video = event.videos.first()
+        return video.thumbnail.url if video and video.thumbnail else ''
+
 
 class TagListSerializer(serializers.ModelSerializer):
     """ Serializer for Tag List View"""