optimize collection images

apps/collection/management/commands/collection_optimize_images.py

@@ -0,0 +1,29 @@
+from django.conf import settings
+from django.core.management.base import BaseCommand
+from django.db import transaction
+from sorl.thumbnail import get_thumbnail
+
+from collection.models import Collection
+from utils.methods import image_url_valid, get_image_meta_by_url
+
+
+class Command(BaseCommand):
+    SORL_THUMBNAIL_ALIAS = 'collection_image'
+
+    def handle(self, *args, **options):
+        with transaction.atomic():
+            for collection in Collection.objects.all():
+                if not image_url_valid(collection.image_url):
+                    continue
+
+                _, width, height = get_image_meta_by_url(collection.image_url)
+                sorl_settings = settings.SORL_THUMBNAIL_ALIASES[self.SORL_THUMBNAIL_ALIAS]
+                sorl_width_height = sorl_settings['geometry_string'].split('x')
+
+                if int(sorl_width_height[0]) > width or int(sorl_width_height[1]) > height:
+                    collection.image_url = get_thumbnail(
+                        file_=collection.image_url,
+                        **settings.SORL_THUMBNAIL_ALIASES[self.SORL_THUMBNAIL_ALIAS]
+                    ).url
+
+                collection.save()

apps/establishment/management/commands/establishment_optimize_preview_image.py

@@ -0,0 +1,28 @@
+from django.conf import settings
+from django.core.management.base import BaseCommand
+from django.db import transaction
+from sorl.thumbnail import get_thumbnail
+
+from establishment.models import Establishment
+from utils.methods import image_url_valid, get_image_meta_by_url
+
+
+class Command(BaseCommand):
+    SORL_THUMBNAIL_ALIAS = 'establishment_collection_image'
+
+    def handle(self, *args, **options):
+        with transaction.atomic():
+            for establishment in Establishment.objects.all():
+                if not image_url_valid(establishment.preview_image_url):
+                    continue
+
+                _, width, height = get_image_meta_by_url(establishment.preview_image_url)
+                sorl_settings = settings.SORL_THUMBNAIL_ALIASES[self.SORL_THUMBNAIL_ALIAS]
+                sorl_width_height = sorl_settings['geometry_string'].split('x')
+
+                if int(sorl_width_height[0]) > width or int(sorl_width_height[1]) > height:
+                    establishment.preview_image_url = get_thumbnail(
+                        file_=establishment.preview_image_url,
+                        **sorl_settings
+                    )
+                    establishment.save()

apps/utils/methods.py

@@ -3,9 +3,10 @@ import logging
 import random
 import re
 import string
+from collections import namedtuple
 from io import BytesIO
 from PIL import Image
-from collections import namedtuple
+
 
 import requests
 from django.conf import settings

apps/utils/thumbnail_engine.py

@@ -11,6 +11,7 @@ class GMEngine(PILEngine):
         image = self.remove_border(image, options)
         image = self.scale(image, geometry, options)
         image = self.crop(image, geometry, options)
+        image = self.scale(image, geometry, options)
         image = self.rounded(image, geometry, options)
         image = self.blur(image, geometry, options)
         image = self.padding(image, geometry, options)

project/settings/base.py

@@ -412,6 +412,8 @@ SORL_THUMBNAIL_ALIASES = {
     'city_detail': {'geometry_string': '1120x1120', 'crop': 'center'},
     'city_original': {'geometry_string': '2048x1536', 'crop': 'center'},
     'type_preview': {'geometry_string': '300x260', 'crop': 'center'},
+    'collection_image': {'geometry_string': '940x620', 'upscale': False, 'quality': 100},
+    'establishment_collection_image': {'geometry_string': '940x620', 'upscale': False, 'quality': 100}
 }