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#############################################################################
##
## Copyright (C) 2016 Pelagicore AG
## Contact: https://www.qt.io/licensing/
##
## This file is part of the Neptune Deployment Server
##
## $QT_BEGIN_LICENSE:GPL-QTAS$
## Commercial License Usage
## Licensees holding valid commercial Qt Automotive Suite licenses may use
## this file in accordance with the commercial license agreement provided
## with the Software or, alternatively, in accordance with the terms
## contained in a written agreement between you and The Qt Company. For
## licensing terms and conditions see https://www.qt.io/terms-conditions.
## For further information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 or (at your option) any later version
## approved by the KDE Free Qt Foundation. The licenses are as published by
## the Free Software Foundation and appearing in the file LICENSE.GPL3
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
## SPDX-License-Identifier: GPL-3.0
##
#############################################################################
import os
from django.db import models
from django.conf import settings
from django.contrib.auth.models import User
from django.core.files.storage import FileSystemStorage
from utilities import packagePath
class Category(models.Model):
name = models.CharField(max_length = 200)
rank = models.SmallIntegerField(unique = True, db_index = True)
def __unicode__(self):
return self.name
def is_first(self):
"""
Returns ``True`` if item is the first one in the menu.
"""
return Category.objects.filter(rank__lt = self.rank).count() == 0
def is_last(self):
"""
Returns ``True`` if item is the last one in the menu.
"""
return Category.objects.filter(rank__gt = self.rank).count() == 0
def increase_rank(self):
"""
Changes position of this item with the next item in the
menu. Does nothing if this item is the last one.
"""
try:
next_item = Category.objects.filter(rank__gt = self.rank)[0]
except IndexError:
pass
else:
self.swap_ranks(next_item)
def decrease_rank(self):
"""
Changes position of this item with the previous item in the
menu. Does nothing if this item is the first one.
"""
try:
list = Category.objects.filter(rank__lt = self.rank).reverse()
prev_item = list[len(list) - 1]
except IndexError:
pass
else:
self.swap_ranks(prev_item)
def swap_ranks(self, other):
"""
Swap positions with ``other`` menu item.
"""
maxrank = 5000
prev_rank, self.rank = self.rank, maxrank
self.save()
self.rank, other.rank = other.rank, prev_rank
other.save()
self.save()
class Vendor(models.Model):
user = models.ForeignKey(User, primary_key = True)
name = models.CharField(max_length = 200)
certificate = models.TextField(max_length = 8000)
def __unicode__(self):
return self.name
class OverwriteStorage(FileSystemStorage):
def get_available_name(self, name):
if self.exists(name):
os.remove(os.path.join(settings.MEDIA_ROOT, name))
return name
def content_file_name(instance, filename):
return packagePath(instance.id)
class App(models.Model):
id = models.CharField(max_length = 200, primary_key=True)
name = models.CharField(max_length = 200)
file = models.FileField(upload_to = content_file_name, storage = OverwriteStorage())
vendor = models.ForeignKey(Vendor)
category = models.ForeignKey(Category)
briefDescription = models.TextField()
description = models.TextField()
dateAdded = models.DateField(auto_now_add = True)
dateModified = models.DateField(auto_now = True)
tags = models.TextField(blank=True)
def __unicode__(self):
return self.name + " [" + self.id + "]"
def save(self, *args, **kwargs):
try:
this = App.objects.get(id=self.id)
if this.file != self.file:
this.file.delete(save=False)
except:
pass
super(App, self).save(*args, **kwargs)
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