django-orchestra-test/orchestra/contrib/accounts/actions.py

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from django.contrib import messages
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from django.contrib.admin import helpers
from django.contrib.admin.utils import NestedObjects, quote, model_ngettext
from django.contrib.auth import get_permission_codename
from django.core.urlresolvers import reverse, NoReverseMatch
from django.db import router
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from django.shortcuts import redirect, render
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from django.template.response import TemplateResponse
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from django.utils import timezone
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from django.utils.encoding import force_text
from django.utils.html import format_html
from django.utils.text import capfirst
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from django.utils.translation import ugettext_lazy as _
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from orchestra.core import services
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from . import settings
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def list_contacts(modeladmin, request, queryset):
ids = queryset.values_list('id', flat=True)
if not ids:
messages.warning(request, "Select at least one account.")
return
url = reverse('admin:contacts_contact_changelist')
url += '?account__in=%s' % ','.join(map(str, ids))
return redirect(url)
list_contacts.short_description = _("List contacts")
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def service_report(modeladmin, request, queryset):
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# TODO resources
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accounts = []
fields = []
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registered_services = services.get()
# First we get related manager names to fire a prefetch related
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for name, field in queryset.model._meta.fields_map.items():
model = field.related_model
if model in registered_services and model != queryset.model:
fields.append((model, name))
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sorted(fields, key=lambda f: f[0]._meta.verbose_name_plural.lower())
fields = [field for model, field in fields]
for account in queryset.prefetch_related(*fields):
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items = []
for field in fields:
related_manager = getattr(account, field)
items.append((related_manager.model._meta, related_manager.all()))
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accounts.append((account, items))
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context = {
'accounts': accounts,
'date': timezone.now().today()
}
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return render(request, settings.ACCOUNTS_SERVICE_REPORT_TEMPLATE, context)
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def delete_related_services(modeladmin, request, queryset):
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opts = modeladmin.model._meta
app_label = opts.app_label
using = router.db_for_write(modeladmin.model)
collector = NestedObjects(using=using)
collector.collect(queryset)
registered_services = services.get()
related_services = []
to_delete = []
user = request.user
admin_site = modeladmin.admin_site
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def format(obj, account=False):
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has_admin = obj.__class__ in admin_site._registry
opts = obj._meta
no_edit_link = '%s: %s' % (capfirst(opts.verbose_name), force_text(obj))
if has_admin:
try:
admin_url = reverse('admin:%s_%s_change' % (opts.app_label, opts.model_name),
None, (quote(obj._get_pk_val()),)
)
except NoReverseMatch:
# Change url doesn't exist -- don't display link to edit
return no_edit_link
p = '%s.%s' % (opts.app_label, get_permission_codename('delete', opts))
if not user.has_perm(p):
perms_needed.add(opts.verbose_name)
# Display a link to the admin page.
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context = (capfirst(opts.verbose_name), admin_url, obj)
if account:
context += (_("services to delete:"),)
return format_html('{} <a href="{}">{}</a> {}', *context)
return format_html('{}: <a href="{}">{}</a>', *context)
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else:
# Don't display link to edit, because it either has no
# admin or is edited inline.
return no_edit_link
def format_nested(objs, result):
if isinstance(objs, list):
current = []
for obj in objs:
format_nested(obj, current)
result.append(current)
else:
result.append(format(objs))
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for nested in collector.nested():
if isinstance(nested, list):
# Is lists of objects
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current = []
is_service = False
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for service in nested:
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if type(service) in registered_services:
if service == main_systemuser:
continue
current.append(format(service))
to_delete.append(service)
is_service = True
elif is_service and isinstance(service, list):
nested = []
format_nested(service, nested)
current.append(nested)
is_service = False
else:
is_service = False
related_services.append(current)
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elif isinstance(nested, modeladmin.model):
# Is account
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# Prevent the deletion of the main system user, which will delete the account
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main_systemuser = nested.main_systemuser
related_services.append(format(nested, account=True))
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# The user has already confirmed the deletion.
# Do the deletion and return a None to display the change list view again.
if request.POST.get('post'):
n = queryset.count()
if n:
for obj in to_delete:
obj_display = force_text(obj)
modeladmin.log_deletion(request, obj, obj_display)
# TODO This probably will fail in certain conditions, just capture exception
obj.delete()
modeladmin.message_user(request, _("Successfully deleted %(count)d %(items)s.") % {
"count": n, "items": model_ngettext(modeladmin.opts, n)
}, messages.SUCCESS)
# Return None to display the change list page again.
return None
if len(queryset) == 1:
objects_name = force_text(opts.verbose_name)
else:
objects_name = force_text(opts.verbose_name_plural)
context = dict(
modeladmin.admin_site.each_context(request),
title=_("Are you sure?"),
objects_name=objects_name,
deletable_objects=[related_services],
model_count=dict(collector.model_count).items(),
queryset=queryset,
opts=opts,
action_checkbox_name=helpers.ACTION_CHECKBOX_NAME,
)
request.current_app = modeladmin.admin_site.name
# Display the confirmation page
return TemplateResponse(request, modeladmin.delete_selected_confirmation_template or [
"admin/%s/%s/delete_selected_confirmation.html" % (app_label, opts.model_name),
"admin/%s/delete_selected_confirmation.html" % app_label,
"admin/delete_selected_confirmation.html"
], context)
delete_related_services.short_description = _("Delete related services")