diff --git a/apps/account/tests/tests_common.py b/apps/account/tests/tests_common.py
index 0992b930..dea807c4 100644
--- a/apps/account/tests/tests_common.py
+++ b/apps/account/tests/tests_common.py
@@ -1,27 +1,25 @@
 from rest_framework.test import APITestCase
 from rest_framework import status
-from authorization.tests.tests import get_tokens_for_user
+from authorization.tests.tests_authorization import get_tokens_for_user
 from http.cookies import SimpleCookie
 from account.models import User
 from django.urls import reverse
 
 
 class AccountUserTests(APITestCase):
-
-    url = reverse('web:account:user-retrieve-update')
-
     def setUp(self):
         self.data = get_tokens_for_user()
 
     def test_user_url(self):
-        response = self.client.get(self.url)
+        url = reverse('web:account:user-retrieve-update')
+        response = self.client.get(url)
         self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
 
         self.client.cookies = SimpleCookie(
             {'access_token': self.data['tokens'].get('access_token'),
              'refresh_token': self.data['tokens'].get('access_token')})
 
-        response = self.client.get(self.url)
+        response = self.client.get(url)
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
         data = {
@@ -33,19 +31,16 @@ class AccountUserTests(APITestCase):
             "email": "sedragurdatest@desoz.com",
             "newsletter": self.data["newsletter"]
         }
-        response = self.client.patch(self.url, data=data, format='json')
+        response = self.client.patch(url, data=data, format='json')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
         data["email"] = "sedragurdatest2@desoz.com"
 
-        response = self.client.put(self.url, data=data, format='json')
+        response = self.client.put(url, data=data, format='json')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
 
 class AccountChangePasswordTests(APITestCase):
-
-    url = reverse('web:account:change-password')
-
     def setUp(self):
         self.data = get_tokens_for_user()
 
@@ -54,15 +49,16 @@ class AccountChangePasswordTests(APITestCase):
             "old_password": self.data["password"],
             "password": "new password"
         }
+        url = reverse('web:account:change-password')
 
-        response = self.client.patch(self.url, data=data, format='json')
+        response = self.client.patch(url, data=data, format='json')
         self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
 
         self.client.cookies = SimpleCookie(
             {'access_token': self.data['tokens'].get('access_token'),
              'refresh_token': self.data['tokens'].get('access_token')})
 
-        response = self.client.patch(self.url, data=data, format='json')
+        response = self.client.patch(url, data=data, format='json')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
 
diff --git a/apps/account/tests/tests_web.py b/apps/account/tests/tests_web.py
new file mode 100644
index 00000000..a3d93f4e
--- /dev/null
+++ b/apps/account/tests/tests_web.py
@@ -0,0 +1,49 @@
+from rest_framework.test import APITestCase
+from rest_framework import status
+from authorization.tests.tests_authorization import get_tokens_for_user
+from django.urls import reverse
+from account.models import User
+
+
+class AccountResetPassWordTests(APITestCase):
+
+    def setUp(self):
+        self.data = get_tokens_for_user()
+
+    def test_reset_password(self):
+        url = reverse('web:account:password-reset')
+        data = {
+            "username_or_email": self.data["email"]
+        }
+        response = self.client.post(url, data=data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        data = {
+            "username_or_email": self.data["username"]
+        }
+        response = self.client.post(url, data=data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class AccountResetPassWordTests(APITestCase):
+
+    def setUp(self):
+        self.data = get_tokens_for_user()
+
+    def test_reset_password_confirm(self):
+        data ={
+            "password": "newpasswordnewpassword"
+        }
+        user = User.objects.get(email=self.data["email"])
+        token = user.reset_password_token
+        uidb64 = user.get_user_uidb64
+
+        url = reverse('web:account:password-reset-confirm', kwargs={
+            'uidb64': uidb64,
+            'token': token
+        })
+        response = self.client.patch(url, data=data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+
diff --git a/apps/authorization/tests/__init__.py b/apps/authorization/tests/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/apps/authorization/tests/tests.py b/apps/authorization/tests/tests_authorization.py
similarity index 98%
rename from apps/authorization/tests/tests.py
rename to apps/authorization/tests/tests_authorization.py
index d9fd7b71..4a5d2a2b 100644
--- a/apps/authorization/tests/tests.py
+++ b/apps/authorization/tests/tests_authorization.py
@@ -22,6 +22,7 @@ def get_tokens_for_user(
 class AuthorizationTests(APITestCase):
 
     def setUp(self):
+        print("Auth!")
         data = get_tokens_for_user()
         self.username = data["username"]
         self.password = data["password"]
diff --git a/apps/establishment/models.py b/apps/establishment/models.py
index 4ab2fe24..f677737d 100644
--- a/apps/establishment/models.py
+++ b/apps/establishment/models.py
@@ -1,19 +1,21 @@
 """Establishment models."""
 from functools import reduce
-from django.contrib.gis.db.models.functions import Distance
 
-from django.contrib.gis.measure import Distance as DistanceMeasure
-from django.contrib.gis.geos import Point
+from django.conf import settings
 from django.contrib.contenttypes import fields as generic
+from django.contrib.gis.db.models.functions import Distance
+from django.contrib.gis.geos import Point
+from django.contrib.gis.measure import Distance as DistanceMeasure
 from django.core.exceptions import ValidationError
 from django.db import models
+from django.db.models import When, Case, F, ExpressionWrapper, Subquery
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 from phonenumber_field.modelfields import PhoneNumberField
 
-from location.models import Address
 from collection.models import Collection
 from main.models import MetaDataContent
+from location.models import Address
 from review.models import Review
 from utils.models import (ProjectBaseMixin, TJSONField, URLImageMixin,
                           TranslatedFieldsMixin, BaseAttributes)
@@ -106,29 +108,20 @@ class EstablishmentQuerySet(models.QuerySet):
         """
         return self.filter(is_publish=True)
 
-    def annotate_distance(self, point: Point):
+    def has_published_reviews(self):
+        """
+        Return QuerySet establishments with published reviews.
+        """
+        return self.filter(reviews__status=Review.READY,)
+
+    def annotate_distance(self, point: Point = None):
         """
         Return QuerySet with annotated field - distance
         Description:
 
         """
-        return self.annotate(distance=models.Value(
-            DistanceMeasure(Distance('address__coordinates', point, srid=4236)).m,
-            output_field=models.FloatField()))
-
-    def annotate_distance_mark(self):
-        """
-        Return QuerySet with annotated field - distance_mark.
-        Required fields: distance.
-        Description:
-        If the radius of the establishments in QuerySet does not exceed 500 meters,
-        then distance_mark is set to 0.6, otherwise 0.
-        """
-        return self.annotate(distance_mark=models.Case(
-            models.When(distance__lte=500,
-                        then=0.6),
-            default=0,
-            output_field=models.FloatField()))
+        return self.annotate(distance=Distance('address__coordinates', point,
+                                               srid=settings.GEO_DEFAULT_SRID))
 
     def annotate_intermediate_public_mark(self):
         """
@@ -137,72 +130,65 @@ class EstablishmentQuerySet(models.QuerySet):
         If establishments in collection POP and its mark is null, then
         intermediate_mark is set to 10;
         """
-        return self.annotate(intermediate_public_mark=models.Case(
-            models.When(
+        return self.annotate(intermediate_public_mark=Case(
+            When(
                 collections__collection_type=Collection.POP,
                 public_mark__isnull=True,
-                then=10
+                then=settings.DEFAULT_ESTABLISHMENT_PUBLIC_MARK
             ),
             default='public_mark',
             output_field=models.FloatField()))
 
-    def annotate_additional_mark(self, public_mark: float):
+    def annotate_mark_similarity(self, mark):
         """
-        Return QuerySet with annotated field - additional_mark.
-        Required fields: intermediate_public_mark
+        Return a QuerySet with annotated field - mark_similarity
         Description:
-        IF
-        establishments public_mark + 3 >  compared establishment public_mark
-        OR
-        establishments public_mark - 3 >  compared establishment public_mark,
-        THEN
-        additional_mark is set to 0.4,
-        ELSE
-        set to 0.
+        Similarity mark determined by comparison with compared establishment mark
         """
-        return self.annotate(additional_mark=models.Case(
-                     models.When(
-                         models.Q(intermediate_public_mark__lte=public_mark + 3) |
-                         models.Q(intermediate_public_mark__lte=public_mark - 3),
-                         then=0.4),
-                     default=0,
-                     output_field=models.FloatField()))
-
-    def annotate_total_mark(self):
-        """
-        Return QuerySet with annotated field - total_mark.
-        Required fields: distance_mark, additional_mark.
-        Fields
-        Description:
-        Annotated field is obtained by formula:
-        (distance + additional marks) * intermediate_public_mark.
-        """
-        return self.annotate(
-            total_mark=(models.F('distance_mark') + models.F('additional_mark')) *
-                        models.F('intermediate_public_mark'))
+        return self.annotate(mark_similarity=ExpressionWrapper(
+            mark - F('intermediate_public_mark'),
+            output_field=models.FloatField()
+        ))
 
     def similar(self, establishment_slug: str):
         """
         Return QuerySet with objects that similar to Establishment.
         :param establishment_slug: str Establishment slug
         """
-        establishment_qs = Establishment.objects.filter(slug=establishment_slug)
+        establishment_qs = self.filter(slug=establishment_slug,
+                                       public_mark__isnull=False)
         if establishment_qs.exists():
             establishment = establishment_qs.first()
-            return self.exclude(slug=establishment_slug) \
-                       .filter(is_publish=True,
-                               image_url__isnull=False,
-                               reviews__isnull=False,
-                               reviews__status=Review.READY,
-                               public_mark__gte=10) \
-                       .annotate_distance(point=establishment.address.coordinates) \
-                       .annotate_distance_mark() \
+            subquery_filter_by_distance = Subquery(
+                self.exclude(slug=establishment_slug)
+                    .filter(image_url__isnull=False, public_mark__gte=10)
+                    .has_published_reviews()
+                    .annotate_distance(point=establishment.location)
+                    .order_by('distance')[:settings.LIMITING_QUERY_NUMBER]
+                    .values('id')
+            )
+            return self.filter(id__in=subquery_filter_by_distance) \
                        .annotate_intermediate_public_mark() \
-                       .annotate_additional_mark(public_mark=establishment.public_mark) \
-                       .annotate_total_mark()
+                       .annotate_mark_similarity(mark=establishment.public_mark) \
+                       .order_by('mark_similarity')
         else:
             return self.none()
 
+    def last_reviewed(self, point: Point):
+        """
+        Return QuerySet with last reviewed establishments.
+        :param point: location Point object, needs to ordering
+        """
+        subquery_filter_by_distance = Subquery(
+            self.filter(image_url__isnull=False, public_mark__gte=10)
+                .has_published_reviews()
+                .annotate_distance(point=point)
+                .order_by('distance')[:settings.LIMITING_QUERY_NUMBER]
+                .values('id')
+        )
+        return self.filter(id__in=subquery_filter_by_distance) \
+                   .order_by('-reviews__published_at')
+
     def prefetch_actual_employees(self):
         """Prefetch actual employees."""
         return self.prefetch_related(
@@ -216,10 +202,10 @@ class EstablishmentQuerySet(models.QuerySet):
         favorite_establishments = []
         if user.is_authenticated:
             favorite_establishments = user.favorites.by_content_type(app_label='establishment',
-                                                                     model='establishment')\
+                                                                     model='establishment') \
                                                     .values_list('object_id', flat=True)
-        return self.annotate(in_favorites=models.Case(
-            models.When(
+        return self.annotate(in_favorites=Case(
+            When(
                 id__in=favorite_establishments,
                 then=True),
             default=False,
@@ -293,7 +279,7 @@ class Establishment(ProjectBaseMixin, URLImageMixin, TranslatedFieldsMixin):
     preview_image_url = models.URLField(verbose_name=_('Preview image URL path'),
                                         blank=True, null=True, default=None)
     slug = models.SlugField(unique=True, max_length=50, null=True,
-                         verbose_name=_('Establishment slug'), editable=True)
+                            verbose_name=_('Establishment slug'), editable=True)
 
     awards = generic.GenericRelation(to='main.Award')
     tags = generic.GenericRelation(to='main.MetaDataContent')
@@ -357,6 +343,19 @@ class Establishment(ProjectBaseMixin, URLImageMixin, TranslatedFieldsMixin):
         return [{'id': tag.metadata.id,
                 'label': tag.metadata.label} for tag in self.tags.all()]
 
+    @property
+    def last_published_review(self):
+        """Return last published review"""
+        return self.reviews.published()\
+                           .order_by('-published_at').first()
+
+    @property
+    def location(self):
+        """
+        Return Point object of establishment location
+        """
+        return self.address.coordinates
+
 
 class Position(BaseAttributes, TranslatedFieldsMixin):
     """Position model."""
diff --git a/apps/establishment/serializers/back.py b/apps/establishment/serializers/back.py
index 17d5f1d5..788fa1e1 100644
--- a/apps/establishment/serializers/back.py
+++ b/apps/establishment/serializers/back.py
@@ -4,7 +4,11 @@ from establishment.serializers import (
     EstablishmentBaseSerializer, PlateSerializer, ContactEmailsSerializer,
     ContactPhonesSerializer, SocialNetworkRelatedSerializers,
     EstablishmentTypeSerializer)
+
+from utils.decorators import with_base_attributes
+
 from main.models import Currency
+from utils.serializers import TJSONSerializer
 
 
 class EstablishmentListCreateSerializer(EstablishmentBaseSerializer):
@@ -85,7 +89,7 @@ class SocialNetworkSerializers(serializers.ModelSerializer):
 
 class PlatesSerializers(PlateSerializer):
     """Social network serializers."""
-    name = serializers.JSONField()
+    name = TJSONSerializer
     currency_id = serializers.PrimaryKeyRelatedField(
         source='currency',
         queryset=Currency.objects.all(), write_only=True
@@ -122,7 +126,10 @@ class ContactEmailBackSerializers(PlateSerializer):
         ]
 
 
+# TODO: test decorator
+@with_base_attributes
 class EmployeeBackSerializers(serializers.ModelSerializer):
+
     """Social network serializers."""
     class Meta:
         model = models.Employee
@@ -130,4 +137,5 @@ class EmployeeBackSerializers(serializers.ModelSerializer):
             'id',
             'user',
             'name'
-        ]
\ No newline at end of file
+        ]
+
diff --git a/apps/establishment/serializers/common.py b/apps/establishment/serializers/common.py
index f1b2d5ed..69a029e2 100644
--- a/apps/establishment/serializers/common.py
+++ b/apps/establishment/serializers/common.py
@@ -1,6 +1,6 @@
 """Establishment serializers."""
 from rest_framework import serializers
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ugettext_lazy as _
 from comment import models as comment_models
 from comment.serializers import common as comment_serializers
 from establishment import models
@@ -12,6 +12,7 @@ from review import models as review_models
 from timetable.serialziers import ScheduleRUDSerializer
 from utils import exceptions as utils_exceptions
 from utils.serializers import TranslatedField
+from utils.serializers import TJSONSerializer
 
 
 class ContactPhonesSerializer(serializers.ModelSerializer):
@@ -60,7 +61,7 @@ class PlateSerializer(serializers.ModelSerializer):
 
 class MenuSerializers(serializers.ModelSerializer):
     plates = PlateSerializer(read_only=True, many=True, source='plate_set')
-    category = serializers.JSONField()
+    category = TJSONSerializer()
     category_translated = serializers.CharField(read_only=True)
 
     class Meta:
@@ -74,9 +75,9 @@ class MenuSerializers(serializers.ModelSerializer):
         ]
 
 
-class MenuRUDSerializers(serializers.ModelSerializer):
+class MenuRUDSerializers(serializers.ModelSerializer, ):
     plates = PlateSerializer(read_only=True, many=True, source='plate_set')
-    category = serializers.JSONField()
+    category = TJSONSerializer()
 
     class Meta:
         model = models.Menu
@@ -191,7 +192,7 @@ class EstablishmentDetailSerializer(EstablishmentListSerializer):
     schedule = ScheduleRUDSerializer(many=True, allow_null=True)
     phones = ContactPhonesSerializer(read_only=True, many=True)
     emails = ContactEmailsSerializer(read_only=True, many=True)
-    review = serializers.SerializerMethodField()
+    review = ReviewSerializer(source='last_published_review', allow_null=True)
     employees = EstablishmentEmployeeSerializer(source='actual_establishment_employees',
                                                 many=True)
     menu = MenuSerializers(source='menu_set', many=True, read_only=True)
@@ -223,12 +224,6 @@ class EstablishmentDetailSerializer(EstablishmentListSerializer):
             'transportation',
         ]
 
-    # todo: refactor this s (make as prefetch to model as attr or make as model property)
-    def get_review(self, obj):
-        """Serializer method for getting last published review"""
-        return ReviewSerializer(obj.reviews.by_status(status=review_models.Review.READY)
-                                           .order_by('-published_at').first()).data
-
     # def get_in_favorites(self, obj):
     #     """Get in_favorites status flag"""
     #     user = self.context.get('request').user
@@ -308,20 +303,22 @@ class EstablishmentFavoritesCreateSerializer(serializers.ModelSerializer):
     def validate(self, attrs):
         """Override validate method"""
         # Check establishment object
-        establishment_id = self.context.get('request').parser_context.get('kwargs').get('pk')
-        establishment_qs = models.Establishment.objects.filter(id=establishment_id)
+        establishment_slug = self.context.get('request').parser_context.get('kwargs').get('slug')
+        establishment_qs = models.Establishment.objects.filter(slug=establishment_slug)
 
-        # Check establishment obj by pk from lookup_kwarg
+        # Check establishment obj by slug from lookup_kwarg
         if not establishment_qs.exists():
             raise serializers.ValidationError({'detail': _('Object not found.')})
+        else:
+            establishment = establishment_qs.first()
 
         # Check existence in favorites
         if self.get_user().favorites.by_content_type(app_label='establishment',
                                                      model='establishment')\
-                                    .by_object_id(object_id=establishment_id).exists():
+                                    .by_object_id(object_id=establishment.id).exists():
             raise utils_exceptions.FavoritesError()
 
-        attrs['establishment'] = establishment_qs.first()
+        attrs['establishment'] = establishment
         return attrs
 
     def create(self, validated_data, *args, **kwargs):
diff --git a/apps/establishment/tests.py b/apps/establishment/tests.py
index e4e3b02c..16d224b8 100644
--- a/apps/establishment/tests.py
+++ b/apps/establishment/tests.py
@@ -5,7 +5,6 @@ from rest_framework import status
 from http.cookies import SimpleCookie
 from main.models import Currency
 from establishment.models import Establishment, EstablishmentType, Menu
-
 # Create your tests here.
 
 
@@ -27,7 +26,7 @@ class BaseTestCase(APITestCase):
         self.establishment_type = EstablishmentType.objects.create(name="Test establishment type")
 
 
-class EstablishmentTests(BaseTestCase):
+class EstablishmentBTests(BaseTestCase):
     def test_establishment_CRUD(self):
         params = {'page': 1, 'page_size': 1,}
         response = self.client.get('/api/back/establishments/', params, format='json')
@@ -93,7 +92,8 @@ class ChildTestCase(BaseTestCase):
         self.establishment = Establishment.objects.create(
             name="Test establishment",
             establishment_type_id=self.establishment_type.id,
-            is_publish=True
+            is_publish=True,
+            slug="test"
         )
 
 
@@ -263,3 +263,89 @@ class EstablishmentShedulerTests(ChildTestCase):
 
         response = self.client.delete(f'/api/back/establishments/{self.establishment.id}/schedule/1/')
         self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+
+
+# Web tests
+class EstablishmentWebTests(BaseTestCase):
+
+    def test_establishment_Read(self):
+        params = {'page': 1, 'page_size': 1,}
+        response = self.client.get('/api/web/establishments/', params, format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class EstablishmentWebTagTests(BaseTestCase):
+
+    def test_tag_Read(self):
+        response = self.client.get('/api/web/establishments/tags/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class EstablishmentWebSlugTests(ChildTestCase):
+
+    def test_slug_Read(self):
+        response = self.client.get(f'/api/web/establishments/slug/{self.establishment.slug}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class EstablishmentWebSimilarTests(ChildTestCase):
+
+    def test_similar_Read(self):
+        response = self.client.get(f'/api/web/establishments/slug/{self.establishment.slug}/similar/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class EstablishmentWebCommentsTests(ChildTestCase):
+
+    def test_comments_CRUD(self):
+
+        response = self.client.get(f'/api/web/establishments/slug/{self.establishment.slug}/comments/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        data = {
+            'text': 'test',
+            'user': self.user.id,
+            'mark': 4
+        }
+
+        response = self.client.post(f'/api/web/establishments/slug/{self.establishment.slug}/comments/create/',
+                                    data=data)
+
+        comment = response.json()
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+        response = self.client.get(f'/api/web/establishments/slug/{self.establishment.slug}/comments/{comment["id"]}/',
+                                   format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        update_data = {
+            'text': 'Test new establishment'
+        }
+
+        response = self.client.patch(f'/api/web/establishments/slug/{self.establishment.slug}/comments/{comment["id"]}/',
+                                     data=update_data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        response = self.client.delete(
+            f'/api/web/establishments/slug/{self.establishment.slug}/comments/{comment["id"]}/',
+            format='json')
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+
+
+class EstablishmentWebFavoriteTests(ChildTestCase):
+
+    def test_favorite_CR(self):
+        data = {
+            "user": self.user.id,
+            "object_id": self.establishment.id
+        }
+
+        response = self.client.post(f'/api/web/establishments/slug/{self.establishment.slug}/favorites/',
+                                    data=data)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+        response = self.client.delete(
+            f'/api/web/establishments/slug/{self.establishment.slug}/favorites/',
+            format='json')
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
diff --git a/apps/establishment/urls/common.py b/apps/establishment/urls/common.py
index bd53c7eb..1e9225d6 100644
--- a/apps/establishment/urls/common.py
+++ b/apps/establishment/urls/common.py
@@ -8,13 +8,15 @@ app_name = 'establishment'
 urlpatterns = [
     path('', views.EstablishmentListView.as_view(), name='list'),
     path('tags/', views.EstablishmentTagListView.as_view(), name='tags'),
-    path('<slug:slug>/', views.EstablishmentRetrieveView.as_view(), name='detail'),
-    path('<slug:slug>/similar/', views.EstablishmentSimilarListView.as_view(), name='similar'),
-    path('<slug:slug>/comments/', views.EstablishmentCommentListView.as_view(), name='list-comments'),
-    path('<slug:slug>/comments/create/', views.EstablishmentCommentCreateView.as_view(),
+    path('recent-reviews/', views.EstablishmentRecentReviewListView.as_view(),
+         name='recent-reviews'),
+    path('slug/<slug:slug>/', views.EstablishmentRetrieveView.as_view(), name='detail'),
+    path('slug/<slug:slug>/similar/', views.EstablishmentSimilarListView.as_view(), name='similar'),
+    path('slug/<slug:slug>/comments/', views.EstablishmentCommentListView.as_view(), name='list-comments'),
+    path('slug/<slug:slug>/comments/create/', views.EstablishmentCommentCreateView.as_view(),
          name='create-comment'),
-    path('<slug:slug>/comments/<int:comment_id>/', views.EstablishmentCommentRUDView.as_view(),
+    path('slug/<slug:slug>/comments/<int:comment_id>/', views.EstablishmentCommentRUDView.as_view(),
          name='rud-comment'),
-    path('<slug:slug>/favorites/', views.EstablishmentFavoritesCreateDestroyView.as_view(),
+    path('slug/<slug:slug>/favorites/', views.EstablishmentFavoritesCreateDestroyView.as_view(),
          name='add-to-favorites')
 ]
diff --git a/apps/establishment/views/common.py b/apps/establishment/views/common.py
index 3029c080..e69de29b 100644
--- a/apps/establishment/views/common.py
+++ b/apps/establishment/views/common.py
@@ -1 +0,0 @@
-"""Establishment app views."""
diff --git a/apps/establishment/views/web.py b/apps/establishment/views/web.py
index 3748b95f..bda64dfb 100644
--- a/apps/establishment/views/web.py
+++ b/apps/establishment/views/web.py
@@ -1,12 +1,17 @@
 """Establishment app views."""
+from django.conf import settings
 from django.contrib.gis.geos import Point
 from django.shortcuts import get_object_or_404
 from rest_framework import generics, permissions
 
 from comment import models as comment_models
-from establishment import filters, models, serializers
+from establishment import filters
+from establishment import models, serializers
+from establishment.views import EstablishmentMixin
+from main import methods
 from main.models import MetaDataContent
 from timetable.serialziers import ScheduleRUDSerializer, ScheduleCreateSerializer
+from utils.pagination import EstablishmentPortionPagination
 
 
 class EstablishmentMixinView:
@@ -44,14 +49,35 @@ class EstablishmentRetrieveView(EstablishmentMixinView, generics.RetrieveAPIView
         return super().get_queryset().with_extended_related()
 
 
+class EstablishmentRecentReviewListView(EstablishmentListView):
+    """List view for last reviewed establishments."""
+
+    pagination_class = EstablishmentPortionPagination
+
+    def get_queryset(self):
+        """Overridden method 'get_queryset'."""
+        qs = super().get_queryset()
+        user_ip = methods.get_user_ip(self.request)
+        query_params = self.request.query_params
+        if 'longitude' in query_params and 'latitude' in query_params:
+            longitude, latitude = query_params.get('longitude'), query_params.get('latitude')
+        else:
+            longitude, latitude = methods.determine_coordinates(user_ip)
+        if not longitude or not latitude:
+            return qs.none()
+        point = Point(x=float(longitude), y=float(latitude), srid=settings.GEO_DEFAULT_SRID)
+        return qs.last_reviewed(point=point)
+
+
 class EstablishmentSimilarListView(EstablishmentListView):
     """Resource for getting a list of establishments."""
     serializer_class = serializers.EstablishmentListSerializer
+    pagination_class = EstablishmentPortionPagination
 
     def get_queryset(self):
         """Override get_queryset method"""
-        return super().get_queryset().similar(establishment_slug=self.kwargs.get('slug'))\
-                                     .order_by('-total_mark')[:13]
+        qs = super().get_queryset()
+        return qs.similar(establishment_slug=self.kwargs.get('slug'))
 
 
 class EstablishmentTypeListView(generics.ListAPIView):
diff --git a/apps/favorites/views.py b/apps/favorites/views.py
index aed11709..a80960a8 100644
--- a/apps/favorites/views.py
+++ b/apps/favorites/views.py
@@ -19,4 +19,5 @@ class FavoritesEstablishmentListView(generics.ListAPIView):
 
     def get_queryset(self):
         """Override get_queryset method"""
-        return Establishment.objects.filter(favorites__user=self.request.user)
+        return Establishment.objects.filter(favorites__user=self.request.user)\
+                                    .order_by('-favorites')
diff --git a/apps/gallery/views.py b/apps/gallery/views.py
index 109a01ef..8a9195c3 100644
--- a/apps/gallery/views.py
+++ b/apps/gallery/views.py
@@ -1,6 +1,5 @@
 from rest_framework import generics
 
-from utils.permissions import IsAuthenticatedAndTokenIsValid
 from . import models, serializers
 
 
@@ -9,4 +8,3 @@ class ImageUploadView(generics.CreateAPIView):
     model = models.Image
     queryset = models.Image.objects.all()
     serializer_class = serializers.ImageSerializer
-    permission_classes = (IsAuthenticatedAndTokenIsValid, )
diff --git a/apps/location/tests.py b/apps/location/tests.py
index 7ce503c2..f68ba56b 100644
--- a/apps/location/tests.py
+++ b/apps/location/tests.py
@@ -1,3 +1,193 @@
-from django.test import TestCase
+import json
 
-# Create your tests here.
+from rest_framework.test import APITestCase
+from account.models import User
+from rest_framework import status
+from http.cookies import SimpleCookie
+
+from location.models import City, Region, Country
+
+
+class BaseTestCase(APITestCase):
+
+    def setUp(self):
+        self.username = 'sedragurda'
+        self.password = 'sedragurdaredips19'
+        self.email = 'sedragurda@desoz.com'
+        self.newsletter = True
+        self.user = User.objects.create_user(
+            username=self.username, email=self.email, password=self.password)
+
+        # get tokens
+
+        tokkens = User.create_jwt_tokens(self.user)
+        self.client.cookies = SimpleCookie(
+            {'access_token': tokkens.get('access_token'),
+             'refresh_token': tokkens.get('refresh_token')})
+
+
+class CountryTests(BaseTestCase):
+
+    def test_country_CRUD(self):
+        response = self.client.get('/api/back/location/countries/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        data = {
+            'name': 'Test country',
+            'code': 'test'
+        }
+
+        response = self.client.post('/api/back/location/countries/', data=data, format='json')
+        response_data = response.json()
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+        response = self.client.get(f'/api/back/location/countries/{response_data["id"]}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        update_data = {
+            'name': json.dumps({"en-GB": "Test new country"})
+        }
+
+        response = self.client.patch(f'/api/back/location/countries/{response_data["id"]}/', data=update_data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        response = self.client.delete(f'/api/back/location/countries/{response_data["id"]}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+
+
+class RegionTests(BaseTestCase):
+
+    def setUp(self):
+        super().setUp()
+        self.country = Country.objects.create(
+            name=json.dumps({"en-GB": "Test country"}),
+            code="test"
+        )
+
+    def test_region_CRUD(self):
+        response = self.client.get('/api/back/location/regions/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        data = {
+            'name': 'Test country',
+            'code': 'test',
+            'country_id': self.country.id
+        }
+
+        response = self.client.post('/api/back/location/regions/', data=data, format='json')
+        response_data = response.json()
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+        response = self.client.get(f'/api/back/location/regions/{response_data["id"]}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        update_data = {
+            'name': json.dumps({"en-GB": "Test new country"})
+        }
+
+        response = self.client.patch(f'/api/back/location/regions/{response_data["id"]}/', data=update_data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        response = self.client.delete(f'/api/back/location/regions/{response_data["id"]}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+
+
+class CityTests(BaseTestCase):
+
+    def setUp(self):
+        super().setUp()
+
+        self.country = Country.objects.create(
+            name=json.dumps({"en-GB": "Test country"}),
+            code="test"
+        )
+
+        self.region = Region.objects.create(
+            name="Test region",
+            code="812",
+            country=self.country
+        )
+
+    def test_city_CRUD(self):
+        response = self.client.get('/api/back/location/cities/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        data = {
+            'name': 'Test country',
+            'code': 'test',
+            'country_id': self.country.id,
+            'region_id': self.region.id
+        }
+
+        response = self.client.post('/api/back/location/cities/', data=data, format='json')
+        response_data = response.json()
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+        response = self.client.get(f'/api/back/location/cities/{response_data["id"]}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        update_data = {
+            'name': json.dumps({"en-GB": "Test new country"})
+        }
+
+        response = self.client.patch(f'/api/back/location/cities/{response_data["id"]}/', data=update_data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        response = self.client.delete(f'/api/back/location/cities/{response_data["id"]}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+
+
+class AddressTests(BaseTestCase):
+
+    def setUp(self):
+        super().setUp()
+
+        self.country = Country.objects.create(
+            name=json.dumps({"en-GB": "Test country"}),
+            code="test"
+        )
+
+        self.region = Region.objects.create(
+            name="Test region",
+            code="812",
+            country=self.country
+        )
+
+        self.city = City.objects.create(
+            name="Test region",
+            code="812",
+            region=self.region,
+            country=self.country
+        )
+
+    def test_address_CRUD(self):
+        response = self.client.get('/api/back/location/addresses/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        data = {
+            'city_id': self.city.id,
+            'number': '+79999999',
+            "coordinates": {
+                "latitude": 37.0625,
+                "longitude": -95.677068
+            },
+            "geo_lon": -95.677068,
+            "geo_lat": 37.0625
+        }
+
+        response = self.client.post('/api/back/location/addresses/', data=data, format='json')
+        response_data = response.json()
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+        response = self.client.get(f'/api/back/location/addresses/{response_data["id"]}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        update_data = {
+            'number': '+79999991'
+        }
+
+        response = self.client.patch(f'/api/back/location/addresses/{response_data["id"]}/', data=update_data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        response = self.client.delete(f'/api/back/location/addresses/{response_data["id"]}/', format='json')
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
diff --git a/apps/main/methods.py b/apps/main/methods.py
index e9ec780c..67da3480 100644
--- a/apps/main/methods.py
+++ b/apps/main/methods.py
@@ -1,9 +1,10 @@
 """Main app methods."""
 import logging
+
 from django.conf import settings
 from django.contrib.gis.geoip2 import GeoIP2, GeoIP2Exception
-from main import models
 
+from main import models
 
 logger = logging.getLogger(__name__)
 
@@ -38,6 +39,19 @@ def determine_country_code(ip_addr):
     return country_code
 
 
+def determine_coordinates(ip_addr):
+    longitude, latitude = None, None
+    if ip_addr:
+        try:
+            geoip = GeoIP2()
+            longitude, latitude = geoip.coords(ip_addr)
+        except GeoIP2Exception as ex:
+            logger.info(f'GEOIP Exception: {ex}. ip: {ip_addr}')
+        except Exception as ex:
+            logger.error(f'GEOIP Base exception: {ex}')
+    return longitude, latitude
+
+
 def determine_user_site_url(country_code):
     """Determine user's site url."""
     try:
diff --git a/apps/main/serializers.py b/apps/main/serializers.py
index 10d75f2b..c981f0ee 100644
--- a/apps/main/serializers.py
+++ b/apps/main/serializers.py
@@ -136,8 +136,8 @@ class CarouselListSerializer(serializers.ModelSerializer):
     """Serializer for retrieving list of carousel items."""
     model_name = serializers.CharField()
     name = serializers.CharField()
-    toque_number = serializers.CharField()
-    public_mark = serializers.CharField()
+    toque_number = serializers.IntegerField()
+    public_mark = serializers.IntegerField()
     image = serializers.URLField(source='image_url')
     awards = AwardBaseSerializer(many=True)
     vintage_year = serializers.IntegerField()
diff --git a/apps/news/tests.py b/apps/news/tests.py
index 9ac8742c..7d6724d7 100644
--- a/apps/news/tests.py
+++ b/apps/news/tests.py
@@ -35,11 +35,18 @@ class NewsTestCase(BaseTestCase):
         response = self.client.get("/api/web/news/")
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
-    def test_news_detail(self):
-        response = self.client.get(f"/api/web/news/{self.test_news.slug}/")
+    def test_news_web_detail(self):
+        response = self.client.get(f"/api/web/news/slug/{self.test_news.slug}/")
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+    def test_news_back_detail(self):
+        response = self.client.get(f"/api/back/news/{self.test_news.id}/")
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+    def test_news_list_back(self):
+        response = self.client.get("/api/back/news/")
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
     def test_news_type_list(self):
         response = self.client.get("/api/web/news/types/")
         self.assertEqual(response.status_code, status.HTTP_200_OK)
-
diff --git a/apps/news/urls/web.py b/apps/news/urls/web.py
index c483b05a..80fcf072 100644
--- a/apps/news/urls/web.py
+++ b/apps/news/urls/web.py
@@ -6,6 +6,6 @@ app_name = 'news'
 
 urlpatterns = [
     path('', views.NewsListView.as_view(), name='list'),
-    path('<slug:slug>/', views.NewsDetailView.as_view(), name='rud'),
     path('types/', views.NewsTypeListView.as_view(), name='type'),
+    path('slug/<slug:slug>/', views.NewsDetailView.as_view(), name='rud'),
 ]
diff --git a/apps/notification/tests.py b/apps/notification/tests.py
new file mode 100644
index 00000000..d78c7fca
--- /dev/null
+++ b/apps/notification/tests.py
@@ -0,0 +1,116 @@
+from http.cookies import SimpleCookie
+
+from django.test import TestCase
+from rest_framework.test import APITestCase
+from rest_framework import status
+
+from account.models import User
+from notification.models import Subscriber
+
+
+class BaseTestCase(APITestCase):
+
+    def setUp(self):
+        self.username = 'sedragurda'
+        self.password = 'sedragurdaredips19'
+        self.email = 'sedragurda@desoz.com'
+        self.user = User.objects.create_user(username=self.username, email=self.email, password=self.password)
+        # get tokkens
+        tokkens = User.create_jwt_tokens(self.user)
+        self.client.cookies = SimpleCookie({'access_token': tokkens.get('access_token'),
+                                            'refresh_token': tokkens.get('refresh_token')})
+
+
+class NotificationAnonSubscribeTestCase(APITestCase):
+
+    def test_subscribe(self):
+
+        test_data = {
+            "email": "test@email.com",
+            "state": 1
+        }
+
+        response = self.client.post("/api/web/notifications/subscribe/", data=test_data, format="json")
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.json()["email"], test_data["email"])
+        self.assertEqual(response.json()["state"], test_data["state"])
+
+
+class NotificationSubscribeTestCase(BaseTestCase):
+
+    def setUp(self):
+        super().setUp()
+
+        self.test_data = {
+            "email": self.email,
+            "state": 1
+        }
+
+    def test_subscribe(self):
+
+        response = self.client.post("/api/web/notifications/subscribe/", data=self.test_data, format="json")
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.json()["email"], self.email)
+        self.assertEqual(response.json()["state"], self.test_data["state"])
+
+    def test_subscribe_info_auth_user(self):
+
+        Subscriber.objects.create(user=self.user, email=self.email, state=1)
+
+        response = self.client.get("/api/web/notifications/subscribe-info/", data=self.test_data, format="json")
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class NotificationSubscribeInfoTestCase(APITestCase):
+
+    def test_subscribe_info(self):
+
+        self.username = 'sedragurda'
+        self.password = 'sedragurdaredips19'
+        self.email = 'sedragurda@desoz.com'
+        self.user = User.objects.create_user(username=self.username, email=self.email, password=self.password)
+
+        test_subscriber = Subscriber.objects.create(user=self.user, email=self.email, state=1)
+
+        response = self.client.get(f"/api/web/notifications/subscribe-info/{test_subscriber.update_code}/")
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class NotificationUnsubscribeAuthUserTestCase(BaseTestCase):
+
+    def test_unsubscribe_auth_user(self):
+
+        Subscriber.objects.create(user=self.user, email=self.email, state=1)
+
+        self.test_data = {
+            "email": self.email,
+            "state": 1
+        }
+
+        response = self.client.patch("/api/web/notifications/unsubscribe/", data=self.test_data, format="json")
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class NotificationUnsubscribeTestCase(APITestCase):
+
+    def test_unsubscribe(self):
+        self.username = 'sedragurda'
+        self.password = 'sedragurdaredips19'
+        self.email = 'sedragurda@desoz.com'
+        self.user = User.objects.create_user(username=self.username, email=self.email, password=self.password)
+
+        self.test_data = {
+            "email": self.email,
+            "state": 1
+        }
+
+        test_subscriber = Subscriber.objects.create(user=self.user, email=self.email, state=1)
+
+        response = self.client.patch(f"/api/web/notifications/unsubscribe/{test_subscriber.update_code}/",
+                                     data=self.test_data, format="json")
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
diff --git a/apps/review/models.py b/apps/review/models.py
index d0076f68..9d3a39c4 100644
--- a/apps/review/models.py
+++ b/apps/review/models.py
@@ -23,6 +23,10 @@ class ReviewQuerySet(models.QuerySet):
         """Filter by status"""
         return self.filter(status=status)
 
+    def published(self):
+        """Return published reviews"""
+        return self.filter(status=Review.READY)
+
 
 class Review(BaseAttributes, TranslatedFieldsMixin):
     """Review model"""
diff --git a/apps/search_indexes/documents/establishment.py b/apps/search_indexes/documents/establishment.py
index 10f95d6c..16321723 100644
--- a/apps/search_indexes/documents/establishment.py
+++ b/apps/search_indexes/documents/establishment.py
@@ -84,6 +84,8 @@ class EstablishmentDocument(Document):
             'name',
             'toque_number',
             'price_level',
+            'preview_image_url',
+            'slug',
         )
 
     def get_queryset(self):
diff --git a/apps/search_indexes/serializers.py b/apps/search_indexes/serializers.py
index e6950bdd..480f509d 100644
--- a/apps/search_indexes/serializers.py
+++ b/apps/search_indexes/serializers.py
@@ -63,6 +63,8 @@ class EstablishmentDocumentSerializer(DocumentSerializer):
             'collections',
             'establishment_type',
             'establishment_subtypes',
+            'preview_image_url',
+            'slug',
         )
 
     @staticmethod
diff --git a/apps/utils/decorators.py b/apps/utils/decorators.py
new file mode 100644
index 00000000..c48a26c7
--- /dev/null
+++ b/apps/utils/decorators.py
@@ -0,0 +1,21 @@
+
+def with_base_attributes(cls):
+
+    def validate(self, data):
+        user = None
+        request = self.context.get("request")
+
+        if request and hasattr(request, "user"):
+            user = request.user
+
+        if user is not None:
+            data.update({'modified_by': user})
+
+            if not self.instance:
+                data.update({'created_by': user})
+
+        return data
+
+    setattr(cls, "validate", validate)
+
+    return cls
diff --git a/apps/utils/middleware.py b/apps/utils/middleware.py
index 7203127c..096f8474 100644
--- a/apps/utils/middleware.py
+++ b/apps/utils/middleware.py
@@ -31,14 +31,3 @@ def parse_cookies(get_response):
         response = get_response(request)
         return response
     return middleware
-
-
-class CORSMiddleware:
-    """Added parameter {Access-Control-Allow-Origin: *} to response"""
-    def __init__(self, get_response):
-        self.get_response = get_response
-
-    def __call__(self, request):
-        response = self.get_response(request)
-        response["Access-Control-Allow-Origin"] = '*'
-        return response
diff --git a/apps/utils/models.py b/apps/utils/models.py
index 632cf4a2..4e6df35e 100644
--- a/apps/utils/models.py
+++ b/apps/utils/models.py
@@ -10,6 +10,8 @@ from django.utils.translation import ugettext_lazy as _, get_language
 from easy_thumbnails.fields import ThumbnailerImageField
 from utils.methods import image_path, svg_image_path
 from utils.validators import svg_image_validator
+from django.db.models.fields import Field
+from django.core import exceptions
 
 
 class ProjectBaseMixin(models.Model):
@@ -26,6 +28,10 @@ class ProjectBaseMixin(models.Model):
         abstract = True
 
 
+def valid(value):
+    print("Run")
+
+
 class TJSONField(JSONField):
     """Overrided JsonField."""
 
@@ -52,6 +58,7 @@ def translate_field(self, field_name):
         if isinstance(field, dict):
             return field.get(to_locale(get_language()))
         return None
+
     return translate
 
 
@@ -70,6 +77,7 @@ def index_field(self, field_name):
             for key, value in field.items():
                 setattr(obj, key, value)
         return obj
+
     return index
 
 
@@ -236,7 +244,8 @@ class LocaleManagerMixin(models.Manager):
         queryset = self.filter(**filters)
 
         # Prepare field for annotator
-        localized_fields = {f'{field}_{prefix}': KeyTextTransform(f'{locale}', field) for field in fields}
+        localized_fields = {f'{field}_{prefix}': KeyTextTransform(f'{locale}', field) for field in
+                            fields}
 
         # Annotate them
         for _ in fields:
@@ -245,7 +254,6 @@ class LocaleManagerMixin(models.Manager):
 
 
 class GMTokenGenerator(PasswordResetTokenGenerator):
-
     CHANGE_EMAIL = 0
     RESET_PASSWORD = 1
     CHANGE_PASSWORD = 2
@@ -268,10 +276,10 @@ class GMTokenGenerator(PasswordResetTokenGenerator):
         """
         fields = [str(timestamp), str(user.is_active), str(user.pk)]
         if self.purpose == self.CHANGE_EMAIL or \
-           self.purpose == self.CONFIRM_EMAIL:
+                self.purpose == self.CONFIRM_EMAIL:
             fields.extend([str(user.email_confirmed), str(user.email)])
         elif self.purpose == self.RESET_PASSWORD or \
-             self.purpose == self.CHANGE_PASSWORD:
+                self.purpose == self.CHANGE_PASSWORD:
             fields.append(str(user.password))
         return fields
 
diff --git a/apps/utils/pagination.py b/apps/utils/pagination.py
index 85bd293c..2c9e92e5 100644
--- a/apps/utils/pagination.py
+++ b/apps/utils/pagination.py
@@ -1,6 +1,8 @@
 """Pagination settings."""
 from base64 import b64encode
 from urllib import parse as urlparse
+
+from django.conf import settings
 from rest_framework.pagination import PageNumberPagination, CursorPagination
 
 
@@ -44,3 +46,10 @@ class ProjectMobilePagination(ProjectPageNumberPagination):
         if not self.page.has_previous():
             return None
         return self.page.previous_page_number()
+
+
+class EstablishmentPortionPagination(ProjectMobilePagination):
+    """
+    Pagination for app establishments with limit page size equal to 12
+    """
+    page_size = settings.LIMITING_OUTPUT_OBJECTS
diff --git a/apps/utils/serializers.py b/apps/utils/serializers.py
index 1f4c6f96..d30a046c 100644
--- a/apps/utils/serializers.py
+++ b/apps/utils/serializers.py
@@ -1,6 +1,8 @@
 """Utils app serializer."""
 from rest_framework import serializers
 from utils.models import PlatformMixin
+from django.core import exceptions
+from translation.models import Language
 
 
 class EmptySerializer(serializers.Serializer):
@@ -21,3 +23,26 @@ class TranslatedField(serializers.CharField):
                  **kwargs):
         super().__init__(allow_null=allow_null, required=required,
                          read_only=read_only, **kwargs)
+
+
+def validate_tjson(value):
+
+    if not isinstance(value, dict):
+        raise exceptions.ValidationError(
+            'invalid_json',
+            code='invalid_json',
+            params={'value': value},
+        )
+
+    lang_count = Language.objects.filter(locale__in=value.keys()).count()
+
+    if lang_count == 0:
+        raise exceptions.ValidationError(
+            'invalid_translated_keys',
+            code='invalid_translated_keys',
+            params={'value': value},
+        )
+
+
+class TJSONSerializer(serializers.JSONField):
+    validators = [validate_tjson]
diff --git a/apps/utils/tests.py b/apps/utils/tests.py
index 1c9fa71d..0ca77b6b 100644
--- a/apps/utils/tests.py
+++ b/apps/utils/tests.py
@@ -8,6 +8,13 @@ from http.cookies import SimpleCookie
 from account.models import User
 from news.models import News, NewsType
 
+from django.test import TestCase
+from translation.models import Language
+from django.core import exceptions
+from .serializers import validate_tjson
+
+from establishment.models import Establishment, EstablishmentType, Employee
+
 
 class BaseTestCase(APITestCase):
 
@@ -28,6 +35,12 @@ class BaseTestCase(APITestCase):
              'locale': "en"
              })
 
+
+class TranslateFieldTests(BaseTestCase):
+
+    def setUp(self):
+        super().setUp()
+
         self.news_type = NewsType.objects.create(name="Test news type")
 
         self.news_item = News.objects.create(
@@ -45,15 +58,9 @@ class BaseTestCase(APITestCase):
             news_type=self.news_type
         )
 
-
-class TranslateFieldModel(BaseTestCase):
-
     def test_model_field(self):
         self.assertIsNotNone(getattr(self.news_item, "title_translated", None))
 
-
-class TranslateFieldReview(BaseTestCase):
-
     def test_read_locale(self):
         response = self.client.get(f"/api/web/news/{self.news_item.id}/", format='json')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
@@ -62,3 +69,90 @@ class TranslateFieldReview(BaseTestCase):
         self.assertIn("title_translated", news_data)
 
         self.assertEqual(news_data['title_translated'], "Test news item")
+
+
+class BaseAttributeTests(BaseTestCase):
+
+    def setUp(self):
+        super().setUp()
+
+        self.establishment_type = EstablishmentType.objects.create(name="Test establishment type")
+        self.establishment = Establishment.objects.create(
+            name="Test establishment",
+            establishment_type_id=self.establishment_type.id,
+            is_publish=True
+        )
+
+    def test_base_attr_api(self):
+        data = {
+            'user': self.user.id,
+            'name': 'Test name'
+        }
+
+        response = self.client.post('/api/back/establishments/employees/', data=data)
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+        response_data = response.json()
+        self.assertIn("id", response_data)
+
+        employee = Employee.objects.get(id=response_data['id'])
+
+        self.assertEqual(self.user, employee.created_by)
+        self.assertEqual(self.user, employee.modified_by)
+
+        modify_user = User.objects.create_user(
+            username='sedragurda2',
+            password='sedragurdaredips192',
+            email='sedragurda2@desoz.com',
+        )
+
+        modify_tokkens = User.create_jwt_tokens(modify_user)
+        self.client.cookies = SimpleCookie(
+            {'access_token': modify_tokkens.get('access_token'),
+             'refresh_token': modify_tokkens.get('refresh_token'),
+             'locale': "en"
+             })
+
+        update_data = {
+            'name': 'Test new name'
+        }
+
+        response = self.client.patch('/api/back/establishments/employees/1/', data=update_data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        employee.refresh_from_db()
+        self.assertEqual(modify_user, employee.modified_by)
+        self.assertEqual(self.user, employee.created_by)
+
+
+class ValidJSONTest(TestCase):
+
+    def test_valid_json(self):
+        lang = Language.objects.create(title='English', locale='en-GB')
+        lang.save()
+
+        data = 'str'
+
+        with self.assertRaises(exceptions.ValidationError) as err:
+            validate_tjson(data)
+
+        self.assertEqual(err.exception.code, 'invalid_json')
+
+        data = {
+            "string": "value"
+        }
+
+        with self.assertRaises(exceptions.ValidationError) as err:
+            validate_tjson(data)
+
+        self.assertEqual(err.exception.code, 'invalid_translated_keys')
+
+        data = {
+            "en-GB": "English"
+        }
+
+        try:
+            validate_tjson(data)
+            self.assertTrue(True)
+        except exceptions.ValidationError:
+            self.assert_(False, "Test json translated FAILED")
\ No newline at end of file
diff --git a/project/settings/base.py b/project/settings/base.py
index 4aec6f4c..cfea18a5 100644
--- a/project/settings/base.py
+++ b/project/settings/base.py
@@ -327,15 +327,30 @@ FCM_DJANGO_SETTINGS = {
 
 # Thumbnail settings
 THUMBNAIL_ALIASES = {
-    '': {
-        'tiny': {'size': (100, 0), },
-        'small': {'size': (480, 0), },
-        'middle': {'size': (700, 0), },
-        'large': {'size': (1500, 0), },
-        'default': {'size': (300, 200), 'crop': True},
-        'gallery': {'size': (240, 160), 'crop': True},
-        'establishment_preview': {'size': (300, 280), 'crop': True},
-    }
+    'news_preview': {
+        'web': {'size': (300, 260), }
+    },
+    'news_promo_horizontal': {
+        'web': {'size': (1900, 600), },
+        'mobile': {'size': (375, 260), },
+    },
+    'news_tile_horizontal': {
+        'web': {'size': (300, 275), },
+        'mobile': {'size': (343, 180), },
+    },
+    'news_tile_vertical': {
+        'web': {'size': (300, 380), },
+    },
+    'news_highlight_vertical': {
+        'web': {'size': (460, 630), },
+    },
+    'news_editor': {
+        'web': {'size': (940, 430), },  # при загрузке через контент эдитор
+        'mobile': {'size': (343, 260), },  # через контент эдитор в мобильном браузерe
+    },
+    'avatar_comments': {
+        'web': {'size': (116, 116), },
+    },
 }
 
 # Password reset
@@ -412,3 +427,14 @@ SOLO_CACHE_TIMEOUT = 300
 SITE_REDIRECT_URL_UNSUBSCRIBE = '/unsubscribe/'
 
 SITE_NAME = 'Gault & Millau'
+
+# Used in annotations for establishments.
+DEFAULT_ESTABLISHMENT_PUBLIC_MARK = 10
+# Limit output objects (see in pagination classes).
+LIMITING_OUTPUT_OBJECTS = 12
+# Need to restrict objects to sort (3 times more then expected).
+LIMITING_QUERY_NUMBER = LIMITING_OUTPUT_OBJECTS * 3
+
+# GEO
+# A Spatial Reference System Identifier
+GEO_DEFAULT_SRID = 4326