☀️ updated project

sales/admin.py

@@ -5,41 +5,58 @@
 from django.contrib.auth.models import Group
 from django.contrib.auth.models import User
 
-admin.site.unregister(Group)
-admin.site.unregister(User)
 admin.site.site_header = 'Administración de Kenosis'
 
+class BaseModelAdmin(admin.ModelAdmin):
+    def get_readonly_fields(self, request, obj=None):
+        if request.user.is_superuser:
+            return self.readonly_fields
+
+        return list(set(
+            [field.name for field in self.opts.local_fields] +
+            [field.name for field in self.opts.local_many_to_many]
+        ))
 
 @admin.register(Client)
-class ClientAdmin(admin.ModelAdmin):
+class ClientAdmin(BaseModelAdmin):
     list_display = ('name', 'phone_number', 'email', 'document')
     search_fields = ('name', 'document')
 
 
 @admin.register(Employee)
-class EmployeeAdmin(admin.ModelAdmin):
+class EmployeeAdmin(BaseModelAdmin):
     list_display = ('name', 'phone_number', 'document')
     search_fields = ('name', 'document')
 
 
+@admin.register(EstheticHouse)
+class EstheticHouseAdmin(BaseModelAdmin):
+    list_display = ('id','name',)
+    search_fields = ('name',)
+
+
 @admin.register(Product)
-class ProductAdmin(admin.ModelAdmin):
+class ProductAdmin(BaseModelAdmin):
     def sold_out(self, instance):
         return instance.is_sold_out
 
     sold_out.boolean = True
     sold_out.short_description = 'agotado'
 
-    list_display = ('code', 'name', 'price', 'amount', 'sold_out',)
+    list_display = ('code', 'name', 'house', 'price', 'amount', 'sold_out',)
     search_fields = ('code', 'name',)
+    list_filter = ('house',)
 
 
 @admin.register(Register)
 class RegisterAdmin(admin.ModelAdmin):
     def has_add_permission(self, request, obj=None):
         return False
 
+    def has_delete_permission(self, request, obj=None):
+        return True
+
     search_fields = ('id',)
-    list_filter = ('date', 'register_type')
-    list_display = ('id', 'date', 'register_type', 'value', 'description',)
-    readonly_fields = ('client', 'description', 'register_type', 'product_name')
+    list_filter = ('date', 'register_type', 'owner')
+    list_display = ('id', 'owner', 'date', 'register_type', 'value', 'description', 'product_name', 'is_pay_with_card')
+    readonly_fields = ('client', 'description', 'register_type', 'product_name')

sales/migrations/0014_auto_20171126_1425.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2017-11-26 19:25
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sales', '0013_auto_20171020_0700'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='product',
+            name='code',
+            field=models.CharField(max_length=255, primary_key=True, serialize=False, unique=True, verbose_name='código'),
+        ),
+    ]

sales/migrations/0015_auto_20171126_1447.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2017-11-26 19:47
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sales', '0014_auto_20171126_1425'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='EstheticHouse',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=512, unique=True, verbose_name='nombre')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='product',
+            name='house',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='sales.EstheticHouse', verbose_name='casa estética'),
+        ),
+    ]

sales/migrations/0016_auto_20171126_1454.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2017-11-26 19:54
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sales', '0015_auto_20171126_1447'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='esthetichouse',
+            options={'ordering': ['name'], 'verbose_name': 'Casa Estética', 'verbose_name_plural': 'Casas Estéticas'},
+        ),
+    ]

sales/models.py

@@ -5,6 +5,22 @@
 from .data import EXPENSE_TYPE
 
 
+class EstheticHouse(models.Model):
+    name = models.CharField(
+        verbose_name='nombre',
+        max_length=512,
+        unique=True,
+    )
+
+    def __str__(self):
+        return self.name
+
+    class Meta:
+        ordering = ['name',]
+        verbose_name = 'Casa Estética'
+        verbose_name_plural = 'Casas Estéticas'
+
+
 class Client(models.Model):
     name = models.CharField(
         max_length=255,
@@ -43,9 +59,17 @@ class Meta:
 
 
 class Product(models.Model):
-    code = models.IntegerField(
+    code = models.CharField(
         primary_key=True,
         verbose_name='código',
+        max_length=255,
+        unique=True,
+    )
+
+    house = models.ForeignKey(
+        'EstheticHouse',
+        verbose_name='casa estética',
+        null=True,
     )
 
     name = models.CharField(