added app collection, added new models

apps/collection/admin.py

@@ -0,0 +1,19 @@
+from django.contrib.gis import admin
+
+from collection import models
+
+
+@admin.register(models.Collection)
+class CollectionAdmin(admin.ModelAdmin):
+    """Collection admin."""
+
+
+@admin.register(models.CollectionItem)
+class CollectionItemAdmin(admin.ModelAdmin):
+    """CollectionItem admin."""
+
+
+@admin.register(models.Guide)
+class GuideAdmin(admin.ModelAdmin):
+    """Guide admin."""
+

apps/collection/apps.py

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

apps/collection/models.py

@@ -0,0 +1,92 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django.contrib.postgres.fields import JSONField
+from utils.models import ProjectBaseMixin
+
+
+# Mixins
+class CollectionNameMixin(models.Model):
+    """CollectionName mixin"""
+    name = models.CharField(_('name'), max_length=250)
+
+    class Meta:
+        """Meta class"""
+        abstract = True
+
+
+class CollectionDateMixin(models.Model):
+    """CollectionDate mixin"""
+    start = models.DateTimeField(_('start'))
+    end = models.DateTimeField(_('end'))
+
+    class Meta:
+        """Meta class"""
+        abstract = True
+
+
+# Models
+class CollectionQuerySet(models.QuerySet):
+    """QuerySet for model Collection"""
+
+    def by_country(self, country_id):
+        """Filter collection by country id."""
+        return self.filter(country=country_id)
+
+
+class Collection(ProjectBaseMixin, CollectionNameMixin, CollectionDateMixin):
+    """Collection model."""
+    filters = JSONField(
+        _('filters'), null=True, blank=True,
+        default=None, help_text='{"key":"value"}')
+    selectors = JSONField(
+        _('selectors'), null=True, blank=True,
+        default=None, help_text='{"key":"value"}')
+    targets = JSONField(
+        _('targets'), null=True, blank=True,
+        default=None, help_text='{"key":"value"}')
+    country = models.ForeignKey(
+        'location.Country', verbose_name=_('country'), on_delete=models.CASCADE)
+
+    objects = CollectionQuerySet.as_manager()
+
+
+class CollectionItemQuerySet(models.QuerySet):
+    """QuerySet for model CollectionItem."""
+
+    def by_collection(self, collection_id):
+        """Filter by collection id"""
+        return self.filter(collection=collection_id)
+
+
+class CollectionItem(ProjectBaseMixin):
+    """CollectionItem model."""
+    collection = models.ForeignKey(
+        Collection, verbose_name=_('collection'), on_delete=models.CASCADE)
+    item_type = models.IntegerField(verbose_name=_('item type identifier'))
+    item_ids = JSONField(
+        _('item_ids'), null=True, blank=True,
+        default=None, help_text='{"key":"value"}')
+
+    objects = CollectionItemQuerySet.as_manager()
+
+
+class GuideQuerySet(models.QuerySet):
+    """QuerySet for Guide."""
+
+    def by_collection_id(self, collection_id):
+        """Filter by collection id"""
+        return self.filter(collection=collection_id)
+
+
+class Guide(ProjectBaseMixin, CollectionNameMixin, CollectionDateMixin):
+    """Guide model."""
+    guide_fk = models.ForeignKey(
+        'self', verbose_name=_('guide'), on_delete=models.CASCADE)
+    advertorials = JSONField(
+        _('advertorials'), null=True, blank=True,
+        default=None, help_text='{"key":"value"}')
+    collection = models.ForeignKey(
+        Collection, verbose_name=_('collection'), on_delete=models.CASCADE)
+
+    objects = GuideQuerySet.as_manager()
+

apps/collection/tests.py

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

apps/collection/views.py

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

project/settings/base.py

@@ -58,6 +58,7 @@ PROJECT_APPS = [
     'main.apps.MainConfig',
     'news.apps.NewsConfig',
     'translation.apps.TranslationConfig',
+    'collection.apps.CollectionConfig',
 ]
 
 EXTERNAL_APPS = [