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