add license/attribution info for episode images

audio/forms.py

@@ -24,5 +24,8 @@ class EpisodeForm(forms.ModelForm):
         model = Episode
         fields = [
             'title', 'author', 'pub_date', 'episode_number',
-            'description', 'image', 'mp3'
+            'description', 'mp3',
+            'image_title', 'image_attribution', 'image_attribution_url',
+            'original_image_url', 'image_license',
+            'image_license_jurisdiction', 'image'
         ]

audio/migrations/0015_auto_20210316_1440.py

@@ -0,0 +1,43 @@
+# Generated by Django 3.1.7 on 2021-03-16 21:40
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('audio', '0014_auto_20210316_1230'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='episode',
+            name='image_attribution',
+            field=models.CharField(default='', max_length=255),
+        ),
+        migrations.AddField(
+            model_name='episode',
+            name='image_attribution_url',
+            field=models.URLField(blank=True, max_length=255),
+        ),
+        migrations.AddField(
+            model_name='episode',
+            name='image_license',
+            field=models.SmallIntegerField(choices=[(1, 'Public Domain'), (2, 'Unknown'), (3, 'CC BY-SA 2.5'), (4, 'CC BY-SA 3.0'), (5, 'CC BY 3.0')], default=2),
+        ),
+        migrations.AddField(
+            model_name='episode',
+            name='image_license_jurisdiction',
+            field=models.TextField(default=''),
+        ),
+        migrations.AddField(
+            model_name='episode',
+            name='image_title',
+            field=models.CharField(default='', max_length=255),
+        ),
+        migrations.AddField(
+            model_name='episode',
+            name='original_image_url',
+            field=models.URLField(default='', max_length=255),
+        ),
+    ]

audio/models.py

@@ -70,6 +70,25 @@ class Episode(UUIDAsIDModel):
         storage=PublicImageStorage(),
         upload_to=slugify_file_name,
         null=True, blank=True)
+
+    image_license = models.SmallIntegerField(
+        choices=LICENSE_CHOICES,
+        default=2,
+    )
+    image_title = models.CharField(max_length=255, default='')
+    image_attribution = models.CharField(max_length=255, default='')
+    image_attribution_url = models.URLField(max_length=255, blank=True)
+    original_image_url = models.URLField(max_length=255, default='')
+    image_license_jurisdiction = models.TextField(null=False, default='')
+
+    @property
+    def image_license_name(self):
+        return(get_image_license_info(self.image_license))[0]
+
+    @property
+    def image_license_url(self):
+        return(get_image_license_info(self.image_license))[1]
+
     mp3 = models.FileField(
         storage=PublicMP3Storage(),
         upload_to=slugify_file_name,