add configuration

apps/configuration/admin.py

@@ -0,0 +1,8 @@
+from django.contrib import admin
+from solo.admin import SingletonModelAdmin
+from configuration.models import TranslationSettings
+
+
+@admin.register(TranslationSettings)
+class TranslationAdmin(SingletonModelAdmin):
+    """Translation admin"""

apps/configuration/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class ConfigurationConfig(AppConfig):
+    name = 'configuration'
+    verbose_name = _('configuration')

apps/configuration/migrations/0001_initial.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.2.4 on 2019-08-28 13:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='TranslationSettings',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('default_language', models.CharField(default='en-GB', max_length=10, verbose_name='default language')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

apps/configuration/models.py

@@ -0,0 +1,9 @@
+from django.db import models
+from django.utils.translation import ugettext_lazy as _
+from solo.models import SingletonModel
+
+
+class TranslationSettings(SingletonModel):
+    """Translation settings solo model."""
+    default_language = models.CharField(
+        _('default language'), max_length=10, default='en-GB')

apps/configuration/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

apps/configuration/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

apps/establishment/models.py

@@ -49,9 +49,9 @@ class EstablishmentSubType(ProjectBaseMixin, TraslatedFieldsMixin):
         verbose_name = _('Establishment subtype')
         verbose_name_plural = _('Establishment subtypes')
 
-    def __str__(self):
+    # def __str__(self):
-        """__str__ method."""
+    #     """__str__ method."""
-        return self.name
+    #     return self.name
 
     def clean_fields(self, exclude=None):
         if not self.establishment_type.use_subtypes:

apps/utils/middleware.py

@@ -1,6 +1,6 @@
 """Custom middleware."""
 from django.utils import translation
-
+from configuration.models import TranslationSettings
 
 def get_locale(cookie_dict):
     return cookie_dict.get('locale')
@@ -16,9 +16,8 @@ def parse_cookies(get_response):
         cookie_dict = request.COOKIES
 
         # processing locale cookie
-        locale = get_locale(cookie_dict)
+        locale = get_locale(cookie_dict) or TranslationSettings.get_solo().default_language
-        if locale:
+        translation.activate(locale)
-            translation.activate(locale)
         request.locale = locale
 
         # processing country country cookie

apps/utils/models.py

@@ -30,11 +30,27 @@ class TJSONField(JSONField):
     """Overrided JsonField."""
 
 
+def to_locale(language):
+    """Turn a language name (en-us) into a locale name (en_US)."""
+    language, _, country = language.lower().partition('-')
+    if not country:
+        return language
+    # A language with > 2 characters after the dash only has its first
+    # character after the dash capitalized; e.g. sr-latn becomes sr_Latn.
+    # A language with 2 characters after the dash has both characters
+    # capitalized; e.g. en-us becomes en_US.
+    country, _, tail = country.partition('-')
+    country = country.title() if len(country) > 2 else country.upper()
+    if tail:
+        country += '-' + tail
+    return language + '-' + country
+
+
 def translate_field(self, field_name):
     def translate(self):
         field = getattr(self, field_name)
         if isinstance(field, dict):
-            return field.get(get_language())
+            return field.get(to_locale(get_language()))
         return None
     return translate
 

project/settings/base.py

@@ -63,6 +63,7 @@ PROJECT_APPS = [
     'news.apps.NewsConfig',
     'partner.apps.PartnerConfig',
     'translation.apps.TranslationConfig',
+    'configuration.apps.ConfigurationConfig',
 ]
 
 EXTERNAL_APPS = [
@@ -78,6 +79,7 @@ EXTERNAL_APPS = [
     'rest_framework_social_oauth2',
     'django_extensions',
     'rest_framework_simplejwt.token_blacklist',
+    'solo',
 ]
 
 
@@ -381,3 +383,6 @@ DATA_UPLOAD_MAX_MEMORY_SIZE = 5242880  # 5MB
 # Maximum uploaded file size
 FILE_UPLOAD_MAX_MEMORY_SIZE = 5242880  # 5MB
 FILE_UPLOAD_PERMISSIONS = 0o644
+
+
+SOLO_CACHE_TIMEOUT = 300