From bb67cd3461935377880f478b9486a98c7f638930 Mon Sep 17 00:00:00 2001
From: Max Yakovenko <mxyakovenko9@gmail.com>
Date: Thu, 12 Jul 2018 23:52:23 +0300
Subject: [PATCH] add core app

---
 core/__init__.py                       |  0
 core/admin.py                          |  3 +
 core/apps.py                           |  5 ++
 core/context_processors.py             |  0
 core/management/__init__.py            |  0
 core/management/commands/__init__.py   |  0
 core/management/commands/clearcache.py |  7 +++
 core/models.py                         | 83 ++++++++++++++++++++++++++
 core/tests.py                          |  3 +
 core/views.py                          |  8 +++
 10 files changed, 109 insertions(+)
 create mode 100644 core/__init__.py
 create mode 100644 core/admin.py
 create mode 100644 core/apps.py
 create mode 100644 core/context_processors.py
 create mode 100644 core/management/__init__.py
 create mode 100644 core/management/commands/__init__.py
 create mode 100644 core/management/commands/clearcache.py
 create mode 100644 core/models.py
 create mode 100644 core/tests.py
 create mode 100644 core/views.py

diff --git a/core/__init__.py b/core/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/core/admin.py b/core/admin.py
new file mode 100644
index 0000000..8c38f3f
--- /dev/null
+++ b/core/admin.py
@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.
diff --git a/core/apps.py b/core/apps.py
new file mode 100644
index 0000000..26f78a8
--- /dev/null
+++ b/core/apps.py
@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class CoreConfig(AppConfig):
+    name = 'core'
diff --git a/core/context_processors.py b/core/context_processors.py
new file mode 100644
index 0000000..e69de29
diff --git a/core/management/__init__.py b/core/management/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/core/management/commands/__init__.py b/core/management/commands/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/core/management/commands/clearcache.py b/core/management/commands/clearcache.py
new file mode 100644
index 0000000..bcd3c40
--- /dev/null
+++ b/core/management/commands/clearcache.py
@@ -0,0 +1,7 @@
+from django.core.management.base import BaseCommand
+from django.core.cache import cache
+
+class Command(BaseCommand):
+    def handle(self, *args, **kwargs):
+        cache.clear()
+        self.stdout.write('Cleared cache\n')
diff --git a/core/models.py b/core/models.py
new file mode 100644
index 0000000..cf0a356
--- /dev/null
+++ b/core/models.py
@@ -0,0 +1,83 @@
+from django.conf import settings
+from django.contrib.auth.base_user import BaseUserManager
+from django.utils.translation import ugettext_lazy as _
+from django.db import models
+
+# Create your models here.
+STATUS_NEW = 0
+STATUS_ACTIVE = 25
+STATUS_DELETED = 50
+
+STATUS_DEFAULT = STATUS_NEW
+
+STATUS_CHOICES = (
+    (STATUS_NEW, _('New')),
+    (STATUS_ACTIVE, _('Active')),
+    (STATUS_DELETED, _('Deleted')),
+)
+
+
+class ActualOnlyManager(models.Manager):
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        if not settings.DEBUG:
+            queryset = queryset.exclude(status=STATUS_DELETED)
+        return queryset
+
+
+class ActiveOnlyManager(models.Manager):
+    def get_queryset(self):
+        return super().get_queryset().filter(status=STATUS_ACTIVE)
+
+
+class DeletedManager(models.Manager):
+    def get_queryset(self):
+        return super().get_queryset().filter(status=STATUS_DELETED)
+
+
+class AbstractDateTimeModel(models.Model):
+    create_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        abstract = True
+
+
+class AbstractStatusModel(AbstractDateTimeModel):
+    status = models.SmallIntegerField(default=STATUS_DEFAULT, choices=STATUS_CHOICES)
+
+    objects = ActualOnlyManager()
+    deleted = DeletedManager()
+    active = ActiveOnlyManager()
+
+    @property
+    def is_active(self):
+        return self.status == STATUS_ACTIVE
+
+    @is_active.setter
+    def is_active(self, value):
+        if value:
+            self.status = STATUS_ACTIVE
+        else:
+            self.status = STATUS_DEFAULT
+
+    def delete(self, using=None, keep_parents=False):
+        self.status = STATUS_DELETED
+        self.save(using=using)
+
+    def delete_from_base(self, using=None, keep_parents=False):
+        return super().delete(using, keep_parents)
+
+    class Meta:
+        abstract = True
+
+
+class CaseInsensitiveQuerySet(models.QuerySet):
+    CASE_INSENSITIVE_FIELDS = ('email',)
+
+    def _filter_or_exclude(self, negate, *args, **kwargs):
+        for field in self.CASE_INSENSITIVE_FIELDS:
+            if field in kwargs:
+                kwargs[field + '__iexact'] = kwargs[field]
+                del kwargs[field]
+        return super()._filter_or_exclude(negate, *args, **kwargs)
diff --git a/core/tests.py b/core/tests.py
new file mode 100644
index 0000000..7ce503c
--- /dev/null
+++ b/core/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/core/views.py b/core/views.py
new file mode 100644
index 0000000..3f7b5d7
--- /dev/null
+++ b/core/views.py
@@ -0,0 +1,8 @@
+from django.contrib.auth.mixins import LoginRequiredMixin
+
+# Create your views here.
+from django.views.generic import TemplateView
+
+
+class ProtectedView(LoginRequiredMixin, TemplateView):
+    pass