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import os
from django import forms
from django.conf import settings
from django.conf.urls import patterns
from django.contrib import admin
from django.core.exceptions import PermissionDenied
from django.shortcuts import redirect, get_object_or_404
from django.utils.translation import ugettext as _
from django.utils.translation import ugettext_lazy
from store.models import *
from utilities import parseAndValidatePackageMetadata
from utilities import iconPath
class CategoryAdmin(admin.ModelAdmin):
list_display = ('name', 'move')
ordering = ('rank',)
def save_model(self, request, obj, form, change):
obj.save()
def name(self, obj):
# just to forbid sorting by name
return obj.name
name.short_description = ugettext_lazy('Item caption')
def move(sefl, obj):
"""
Returns html with links to move_up and move_down views.
"""
button = u'<a href="%s"><img src="%simg/admin/arrow-%s.gif" /> %s</a>'
prefix = settings.STATIC_URL
link = '%d/move_up/' % obj.pk
html = button % (link, prefix, 'up', _('up')) + " | "
link = '%d/move_down/' % obj.pk
html += button % (link, prefix, 'down', _('down'))
return html
move.allow_tags = True
move.short_description = ugettext_lazy('Move')
def get_urls(self):
admin_view = self.admin_site.admin_view
urls = patterns('',
(r'^(?P<item_pk>\d+)/move_up/$', admin_view(self.move_up)),
(r'^(?P<item_pk>\d+)/move_down/$', admin_view(self.move_down)),
)
return urls + super(CategoryAdmin, self).get_urls()
def move_up(self, request, item_pk):
"""
Decrease rank (change ordering) of the menu item with
id=``item_pk``.
"""
if self.has_change_permission(request):
item = get_object_or_404(Category, pk=item_pk)
item.decrease_rank()
else:
raise PermissionDenied
return redirect('admin:appstore_category_changelist')
def move_down(self, request, item_pk):
"""
Increase rank (change ordering) of the menu item with
id=``item_pk``.
"""
if self.has_change_permission(request):
item = get_object_or_404(Category, pk=item_pk)
item.increase_rank()
else:
raise PermissionDenied
return redirect('admin:appstore_category_changelist')
class AppAdminForm(forms.ModelForm):
class Meta:
exclude = ["id", "name"]
appId = ""
name = ""
def clean(self):
cleaned_data = super(AppAdminForm, self).clean()
file = cleaned_data.get('file');
# validate package
pkgdata = None;
try:
pkgdata = parseAndValidatePackageMetadata(file)
except Exception as error:
raise forms.ValidationError(_('Validation error: %s' % str(error)))
self.appId = pkgdata['info']['id'];
self.name = pkgdata['storeName'];
try:
a = App.objects.get(name__exact = self.name)
if a.id != pkgdata['info']['id']:
raise forms.ValidationError(_('Validation error: the same package name (%s) is already used for application %s' % (self.name, a.id)))
except App.DoesNotExist:
pass
# check if this really is an update
if hasattr(self, 'instance') and self.instance.id:
if self.appId != self.instance.id:
raise forms.ValidationError(_('Validation error: an update cannot change the application id, tried to change from %s to %s' % (self.instance.id, self.appId)))
else:
try:
if App.objects.get(id__exact = self.appId):
raise forms.ValidationError(_('Validation error: another application with id %s already exists' % str(self.appId)))
except App.DoesNotExist:
pass
# write icon into file to serve statically
try:
if not os.path.exists(iconPath()):
os.makedirs(iconPath())
tempicon = open(iconPath(self.appId), 'w')
tempicon.write(pkgdata['icon'])
tempicon.flush()
tempicon.close()
except IOError as error:
raise forms.ValidationError(_('Validation error: could not write icon file to media directory: %s' % str(error)))
return cleaned_data
def save(self, commit=False):
m = super(AppAdminForm, self).save(commit);
m.id = self.appId
m.name = self.name
return m
class AppAdmin(admin.ModelAdmin):
form = AppAdminForm
list_display = ('name',)
def save_model(self, request, obj, form, change):
obj.save()
admin.site.register(Category, CategoryAdmin)
admin.site.register(Vendor)
admin.site.register(App, AppAdmin)
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