django-orchestra/orchestra/apps/accounts/admin.py

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from django import forms
from django.conf.urls import patterns, url
from django.contrib import admin, messages
from django.contrib.admin.util import unquote
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect
from django.utils.safestring import mark_safe
from django.utils.six.moves.urllib.parse import parse_qsl
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from django.utils.translation import ugettext_lazy as _
from orchestra.admin import ExtendedModelAdmin
from orchestra.admin.utils import wrap_admin_view, admin_link, set_url_query
from orchestra.core import services, accounts
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from .filters import HasMainUserListFilter
from .forms import AccountCreationForm, AccountChangeForm
from .models import Account
class AccountAdmin(ExtendedModelAdmin):
list_display = ('name', 'user_link', 'type', 'is_active')
list_filter = (
'type', 'is_active', HasMainUserListFilter
)
add_fieldsets = (
(_("User"), {
'fields': ('username', 'password1', 'password2',),
}),
(_("Account info"), {
'fields': (('type', 'language'), 'comments'),
}),
)
fieldsets = (
(_("User"), {
'fields': ('user_link', 'password',),
}),
(_("Account info"), {
'fields': (('type', 'language'), 'comments'),
}),
)
readonly_fields = ('user_link',)
search_fields = ('users__username',)
add_form = AccountCreationForm
form = AccountChangeForm
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change_form_template = 'admin/accounts/account/change_form.html'
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user_link = admin_link('user', order='user__username')
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def name(self, account):
return account.name
name.admin_order_field = 'user__username'
def formfield_for_dbfield(self, db_field, **kwargs):
""" Make value input widget bigger """
if db_field.name == 'comments':
kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 4})
return super(AccountAdmin, self).formfield_for_dbfield(db_field, **kwargs)
def change_view(self, request, object_id, form_url='', extra_context=None):
if request.method == 'GET':
account = self.get_object(request, unquote(object_id))
if not account.is_active:
messages.warning(request, 'This account is disabled.')
context = {
'services': sorted(
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[ model._meta for model in services.get() if model is not Account ],
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key=lambda i: i.verbose_name_plural.lower()
),
'accounts': sorted(
[ model._meta for model in accounts.get() if model is not Account ],
key=lambda i: i.verbose_name_plural.lower()
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)
}
context.update(extra_context or {})
return super(AccountAdmin, self).change_view(request, object_id,
form_url=form_url, extra_context=context)
def save_model(self, request, obj, form, change):
""" Save user and account, they are interdependent """
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if change:
return super(AccountAdmin, self).save_model(request, obj, form, change)
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obj.user.save()
obj.user_id = obj.user.pk
obj.save()
obj.user.account = obj
obj.user.save()
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def get_queryset(self, request):
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""" Select related for performance """
# TODO move invoicecontact to contacts
qs = super(AccountAdmin, self).get_queryset(request)
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related = ('user', 'invoicecontact')
return qs.select_related(*related)
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admin.site.register(Account, AccountAdmin)
class AccountListAdmin(AccountAdmin):
""" Account list to allow account selection when creating new services """
list_display = ('select_account', 'type', 'user')
actions = None
search_fields = ['user__username',]
ordering = ('user__username',)
def select_account(self, instance):
# TODO get query string from request.META['QUERY_STRING'] to preserve filters
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context = {
'url': '../?account=' + str(instance.pk),
'name': instance.name
}
return '<a href="%(url)s">%(name)s</a>' % context
select_account.short_description = _("account")
select_account.allow_tags = True
select_account.order_admin_field = 'user__username'
def changelist_view(self, request, extra_context=None):
opts = self.model._meta
original_app_label = request.META['PATH_INFO'].split('/')[-5]
original_model = request.META['PATH_INFO'].split('/')[-4]
context = {
'title': _("Select account for adding a new %s") % (original_model),
'original_app_label': original_app_label,
'original_model': original_model,
}
context.update(extra_context or {})
return super(AccountListAdmin, self).changelist_view(request,
extra_context=context)
class AccountAdminMixin(object):
""" Provide basic account support to ModelAdmin and AdminInline classes """
readonly_fields = ('account_link',)
filter_by_account_fields = []
change_list_template = 'admin/accounts/account/change_list.html'
change_form_template = 'admin/accounts/account/change_form.html'
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def account_link(self, instance):
account = instance.account if instance.pk else self.account
url = reverse('admin:accounts_account_change', args=(account.pk,))
return '<a href="%s">%s</a>' % (url, account.name)
account_link.short_description = _("account")
account_link.allow_tags = True
account_link.admin_order_field = 'account__user__username'
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def get_readonly_fields(self, request, obj=None):
""" provide account for filter_by_account_fields """
if obj:
self.account = obj.account
return super(AccountAdminMixin, self).get_readonly_fields(request, obj=obj)
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def get_queryset(self, request):
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""" Select related for performance """
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qs = super(AccountAdminMixin, self).get_queryset(request)
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return qs.select_related('account__user')
def formfield_for_dbfield(self, db_field, **kwargs):
""" Improve performance of account field and filter by account """
if db_field.name == 'account':
qs = kwargs.get('queryset', db_field.rel.to.objects)
kwargs['queryset'] = qs.select_related('user')
formfield = super(AccountAdminMixin, self).formfield_for_dbfield(db_field, **kwargs)
if db_field.name in self.filter_by_account_fields:
if hasattr(self, 'account'):
# Hack widget render in order to append ?account=id to the add url
old_render = formfield.widget.render
def render(*args, **kwargs):
output = old_render(*args, **kwargs)
output = output.replace('/add/"', '/add/?account=%s"' % self.account.pk)
return mark_safe(output)
formfield.widget.render = render
# Filter related object by account
formfield.queryset = formfield.queryset.filter(account=self.account)
return formfield
def get_account_from_preserve_filters(self, request):
preserved_filters = self.get_preserved_filters(request)
preserved_filters = dict(parse_qsl(preserved_filters))
cl_filters = preserved_filters.get('_changelist_filters')
if cl_filters:
return dict(parse_qsl(cl_filters)).get('account')
def changeform_view(self, request, object_id=None, form_url='', extra_context=None):
account_id = self.get_account_from_preserve_filters(request)
verb = 'change' if object_id else 'add'
if not object_id:
if account_id:
# Preselect account
set_url_query(request, 'account', account_id)
context = {
'from_account': bool(account_id),
'account': not account_id or Account.objects.get(pk=account_id),
'account_opts': Account._meta,
}
context.update(extra_context or {})
return super(AccountAdminMixin, self).changeform_view(request,
object_id=object_id, form_url=form_url, extra_context=context)
def changelist_view(self, request, extra_context=None):
account_id = request.GET.get('account')
context = {
'from_account': False
}
if account_id:
opts = self.model._meta
account = Account.objects.get(pk=account_id)
context = {
'from_account': True,
'title': _("Select %s to change for %s") % (
opts.verbose_name, account.name),
'account': not account_id or Account.objects.get(pk=account_id),
'account_opts': Account._meta,
}
context.update(extra_context or {})
return super(AccountAdminMixin, self).changelist_view(request,
extra_context=context)
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class SelectAccountAdminMixin(AccountAdminMixin):
""" Provides support for accounts on ModelAdmin """
def get_inline_instances(self, request, obj=None):
inlines = super(AccountAdminMixin, self).get_inline_instances(request, obj=obj)
if hasattr(self, 'account'):
account = self.account
else:
account = Account.objects.get(pk=request.GET['account'])
[ setattr(inline, 'account', account) for inline in inlines ]
return inlines
def get_urls(self):
""" Hooks select account url """
urls = super(AccountAdminMixin, self).get_urls()
admin_site = self.admin_site
opts = self.model._meta
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info = opts.app_label, opts.model_name
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account_list = AccountListAdmin(Account, admin_site).changelist_view
select_urls = patterns("",
url("/select-account/$",
wrap_admin_view(self, account_list),
name='%s_%s_select_account' % info),
)
return select_urls + urls
def add_view(self, request, form_url='', extra_context=None):
""" Redirects to select account view if required """
if request.user.is_superuser:
from_account_id = self.get_account_from_preserve_filters(request)
if from_account_id:
set_url_query(request, 'account', from_account_id)
account_id = request.GET.get('account')
if account_id or Account.objects.count() == 1:
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kwargs = {}
if account_id:
kwargs = dict(pk=account_id)
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self.account = Account.objects.get(**kwargs)
opts = self.model._meta
context = {
'title': _("Add %s for %s") % (opts.verbose_name, self.account.name),
'from_account': bool(from_account_id),
'account': self.account,
'account_opts': Account._meta,
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}
context.update(extra_context or {})
return super(AccountAdminMixin, self).add_view(request,
form_url=form_url, extra_context=context)
return HttpResponseRedirect('./select-account/?%s' % request.META['QUERY_STRING'])
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def save_model(self, request, obj, form, change):
"""
Given a model instance save it to the database.
"""
if not change:
obj.account_id = self.account.pk
obj.save()