added collection gallery; create migrations for models - collection, gallery, news; fixed models - news, collections

apps/collection/migrations/0006_auto_20190827_1205.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.2.4 on 2019-08-27 12:05
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('collection', '0005_auto_20190823_1401'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='collection',
+            name='image',
+            field=models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.CASCADE, to='gallery.Image', verbose_name='Collection image'),
+        ),
+    ]

apps/collection/models.py

@@ -1,5 +1,6 @@
 from django.contrib.postgres.fields import JSONField
 from django.db import models
+from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 
 from utils.models import ProjectBaseMixin, ImageMixin
@@ -37,10 +38,17 @@ class CollectionQuerySet(models.QuerySet):
         """Returned only published collection"""
         return self.filter(is_publish=True)
 
+    def valid(self):
+        """Returns valid offers"""
+        now = timezone.now()
+        return self.filter(start__lte=now, end__gte=now)
 
-class Collection(ProjectBaseMixin, CollectionNameMixin,
+
-                 ImageMixin, CollectionDateMixin):
+class Collection(ProjectBaseMixin, CollectionNameMixin, CollectionDateMixin):
     """Collection model."""
+    image = models.ForeignKey(
+        'gallery.Image', blank=True, default=None, null=True,
+        verbose_name=_('Collection image'), on_delete=models.CASCADE)
     is_publish = models.BooleanField(
         default=False, verbose_name=_('Publish status'))
     on_top = models.BooleanField(

apps/collection/serializers/common.py

@@ -1,10 +1,12 @@
 from rest_framework import serializers
 
 from collection import models
+from utils.serializers import ImageSerializerMixin
 
 
-class CollectionSerializer(serializers.ModelSerializer):
+class CollectionSerializer(ImageSerializerMixin, serializers.ModelSerializer):
     """Collection serializer"""
+
     class Meta:
         model = models.Collection
         fields = [

apps/collection/views/common.py

@@ -34,6 +34,7 @@ class CollectionListView(CollectionViewMixin, generics.ListAPIView):
     def get_queryset(self):
         """Override get_queryset method"""
         return models.Collection.objects.published()\
+                                        .valid()\
                                         .by_country_code(code=self.request.country_code)\
                                         .order_by('-on_top', '-created')
 

apps/gallery/admin.py

@@ -1,8 +1,8 @@
 from django.contrib import admin
 
-from gallery.models import Gallery
+from gallery.models import Image
 
 
-@admin.register(Gallery)
+@admin.register(Image)
-class GalleryModelAdmin(admin.ModelAdmin):
+class ImageModelAdmin(admin.ModelAdmin):
-    """Gallery model admin"""
+    """Image model admin"""

apps/gallery/migrations/0001_initial.py

@@ -0,0 +1,30 @@
+# Generated by Django 2.2.4 on 2019-08-27 12:04
+
+from django.db import migrations, models
+import django.utils.timezone
+import easy_thumbnails.fields
+import utils.methods
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Image',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(default=django.utils.timezone.now, editable=False, verbose_name='Date created')),
+                ('modified', models.DateTimeField(auto_now=True, verbose_name='Date updated')),
+                ('image', easy_thumbnails.fields.ThumbnailerImageField(upload_to=utils.methods.image_path, verbose_name='Image')),
+            ],
+            options={
+                'verbose_name': 'Image',
+                'verbose_name_plural': 'Images',
+            },
+        ),
+    ]

apps/gallery/models.py

@@ -1,16 +1,21 @@
 from django.utils.translation import gettext_lazy as _
+from easy_thumbnails.fields import ThumbnailerImageField
 
+from utils.methods import image_path
 from utils.models import ProjectBaseMixin, ImageMixin
 
 
-class Gallery(ProjectBaseMixin, ImageMixin):
+class Image(ProjectBaseMixin, ImageMixin):
-    """Gallery model."""
+    """Image model."""
+
+    image = ThumbnailerImageField(upload_to=image_path,
+                                  verbose_name=_('Image'))
 
     class Meta:
         """Meta class."""
-        verbose_name = _('Gallery')
+        verbose_name = _('Image')
-        verbose_name_plural = _('Galleries')
+        verbose_name_plural = _('Images')
 
     def __str__(self):
-        """String representation"""
+        """String representation of image instance"""
-        return str(self.get_image_url)
+        return str(self.id)

apps/gallery/serializers.py

@@ -1,19 +1,24 @@
+"""Serializers for model Image"""
 from rest_framework import serializers
 
 from . import models
 
 
-class GallerySerializer(serializers.ModelSerializer):
+class ImageSerializer(serializers.ModelSerializer):
-    """Serializer for model Gallery."""
+    """Serializer for model Image."""
+    # REQUEST
+    image = serializers.ImageField(write_only=True)
     # RESPONSE
-    url = serializers.URLField(source='get_image_url')
+    url = serializers.URLField(source='get_image_url',
+                               required=False)
 
     class Meta:
         """Meta class"""
-        model = models.Gallery
+        model = models.Image
         fields = (
+            'id',
             'image',
-            'url'
+            'url',
         )
         read_only_fields = (
             'url',

apps/gallery/urls.py

@@ -5,7 +5,7 @@ from . import views
 
 app_name = 'gallery'
 
-url_patterns = [
+urlpatterns = [
     path('upload/', views.GalleryUploadImage.as_view(),
          name='upload_image')
 ]

apps/gallery/views.py

@@ -5,6 +5,6 @@ from . import models, serializers
 
 class GalleryUploadImage(generics.CreateAPIView):
     """Upload image to gallery"""
-    model = models.Gallery
+    model = models.Image
-    queryset = models.Gallery.objects.all()
+    queryset = models.Image.objects.all()
-    serializer_class = serializers.GallerySerializer
+    serializer_class = serializers.ImageSerializer

apps/news/migrations/0006_auto_20190827_1205.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.2.4 on 2019-08-27 12:05
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('news', '0005_auto_20190823_1149'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='news',
+            name='image',
+            field=models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.CASCADE, to='gallery.Image', verbose_name='News image'),
+        ),
+    ]

apps/news/models.py

@@ -1,5 +1,6 @@
 from django.contrib.postgres.fields import JSONField
 from django.db import models
+from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 
 from utils.models import (ProjectBaseMixin, BaseAttributes,
@@ -36,8 +37,13 @@ class NewsQuerySet(models.QuerySet):
         """Return only published news"""
         return self.filter(is_publish=True)
 
+    def valid(self):
+        """Returns valid offers"""
+        now = timezone.now()
+        return self.filter(start__lte=now, end__gte=now)
 
-class News(ImageMixin, BaseAttributes):
+
+class News(BaseAttributes):
     """News model."""
     news_type = models.ForeignKey(
         NewsType, verbose_name=_('news type'), on_delete=models.CASCADE)
@@ -64,6 +70,9 @@ class News(ImageMixin, BaseAttributes):
     country = models.ForeignKey(
         'location.Country', blank=True, null=True,
         verbose_name=_('country'), on_delete=models.CASCADE)
+    image = models.ForeignKey(
+        'gallery.Image', blank=True, default=None, null=True,
+        verbose_name=_('News image'), on_delete=models.CASCADE)
     is_highlighted = models.BooleanField(
         default=False, verbose_name=_('Is highlighted'))
     # TODO: metadata_keys - описание ключей для динамического построения полей метаданных

apps/news/serializers/common.py

@@ -3,6 +3,7 @@ from rest_framework import serializers
 from location.models import Address
 from location.serializers import AddressSerializer
 from news import models
+from utils.serializers import ImageSerializerMixin
 
 
 class NewsTypeSerializer(serializers.ModelSerializer):
@@ -23,7 +24,7 @@ class NewsLocalizationMixinSerializer(serializers.ModelSerializer):
     description_trans = serializers.CharField(read_only=True)
 
 
-class NewsSerializer(NewsLocalizationMixinSerializer):
+class NewsSerializer(NewsLocalizationMixinSerializer, ImageSerializerMixin):
     """News serializer."""
     address = AddressSerializer()
 
@@ -50,7 +51,6 @@ class NewsCreateUpdateSerializer(NewsSerializer):
     title = serializers.JSONField()
     subtitle = serializers.JSONField()
     description = serializers.JSONField()
-    image = serializers.ImageField(required=True)
     news_type = serializers.PrimaryKeyRelatedField(
         queryset=models.NewsType.objects.all(), write_only=True)
     address = serializers.PrimaryKeyRelatedField(

apps/news/views/common.py

@@ -26,6 +26,7 @@ class NewsList(NewsViewMixin, JWTListAPIView):
         """Override get_queryset method"""
         return News.objects.annotate_localized_fields(locale=self.request.locale)\
                            .published()\
+                           .valid()\
                            .by_country_code(code=self.request.country_code)\
                            .order_by('-is_highlighted', '-created')
 

apps/utils/models.py

@@ -1,5 +1,7 @@
 """Utils app models."""
 
+from os.path import exists
+
 from django.contrib.auth.tokens import PasswordResetTokenGenerator
 from django.contrib.gis.db import models
 from django.contrib.postgres.fields import JSONField
@@ -74,7 +76,14 @@ class ImageMixin(models.Model):
 
     def get_image_url(self, key=None):
         """Get image thumbnail url."""
-        return self.get_image(key).url if self.image else None
+        return self.get_image(key).url if self.image and exists(self.image.path) else None
+
+    def get_full_image_url(self, request, thumbnail_key=None):
+        """Get full image url"""
+        if self.image and exists(self.image.path):
+            return request.build_absolute_uri(self.get_image(thumbnail_key).url)
+        else:
+            return None
 
     def image_tag(self):
         """Admin preview tag."""

apps/utils/serializers.py

@@ -0,0 +1,15 @@
+"""Serializer mixins"""
+from rest_framework import serializers
+
+
+class ImageSerializerMixin(serializers.Serializer):
+    """
+    Image serializer mixin.
+    Need to return an absolute path of cropped image instead of relative path
+    """
+    # RESPONSE
+    image = serializers.SerializerMethodField()
+
+    def get_image(self, obj):
+        """Get full image URL"""
+        return obj.image.get_full_image_url(self.context.get('request'))

project/settings/base.py

@@ -57,6 +57,7 @@ PROJECT_APPS = [
     'authorization.apps.AuthorizationConfig',
     'collection.apps.CollectionConfig',
     'establishment.apps.EstablishmentConfig',
+    'gallery.apps.GalleryConfig',
     'location.apps.LocationConfig',
     'main.apps.MainConfig',
     'news.apps.NewsConfig',

project/urls/__init__.py

@@ -54,6 +54,8 @@ urlpatterns_auth = [
 ]
 
 api_urlpatterns = [
+    path('gallery/', include(('gallery.urls', 'gallery'),
+                             namespace='gallery')),
     path('location/', include(('location.urls', 'location'),
                               namespace='location')),
     path('main/', include(('main.urls', 'main'),