django-orchestra-test/orchestra/contrib/history/admin.py

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2015-08-31 11:58:59 +00:00
from django.contrib import admin
from django.utils.translation import ugettext_lazy as _
from django.core.urlresolvers import reverse, NoReverseMatch
from django.contrib.admin.templatetags.admin_urls import add_preserved_filters
from django.http import HttpResponseRedirect
from django.contrib.admin.utils import unquote
from orchestra.admin.utils import admin_link, admin_date
class LogEntryAdmin(admin.ModelAdmin):
list_display = (
'__str__', 'display_action_time', 'user_link',
)
list_filter = ('action_flag', 'content_type',)
date_hierarchy = 'action_time'
search_fields = ('object_repr', 'change_message')
fields = (
'user_link', 'content_object_link', 'display_action_time', 'display_action', 'change_message'
)
readonly_fields = (
'user_link', 'content_object_link', 'display_action_time', 'display_action',
)
actions = None
user_link = admin_link('user')
display_action_time = admin_date('action_time', short_description=_("Time"))
def display_action(self, log):
if log.is_addition():
return _("Added")
elif log.is_change():
return _("Changed")
return _("Deleted")
display_action.short_description = _("Action")
display_action.admin_order_field = 'action_flag'
def content_object_link(self, log):
ct = log.content_type
try:
url = reverse('admin:%s_%s_change' % (ct.app_label, ct.model), args=(log.object_id,))
except NoReverseMatch:
return log.object_repr
return '<a href="%s">%s</a>' % (url, log.object_repr)
content_object_link.short_description = _("Content object")
content_object_link.admin_order_field = 'object_repr'
content_object_link.allow_tags = True
def changeform_view(self, request, object_id=None, form_url='', extra_context=None):
""" Add rel_opts and object to context """
context = {}
if 'edit' in request.GET.urlencode():
obj = self.get_object(request, unquote(object_id))
context = {
'rel_opts': obj.content_type.model_class()._meta,
'object': obj,
}
context.update(extra_context or {})
return super(LogEntryAdmin, self).changeform_view(request, object_id, form_url, extra_context=context)
def response_change(self, request, obj):
""" save and continue preserve edit query string """
response = super(LogEntryAdmin, self).response_change(request, obj)
if 'edit' in request.GET.urlencode() and 'edit' not in response.url:
return HttpResponseRedirect(response.url + '?edit=True')
return response
def response_post_save_change(self, request, obj):
""" save redirect to object history """
if 'edit' in request.GET.urlencode():
opts = obj.content_type.model_class()._meta
post_url = reverse('admin:%s_%s_history' % (opts.app_label, opts.model_name), args=(obj.object_id,))
preserved_filters = self.get_preserved_filters(request)
post_url = add_preserved_filters({'preserved_filters': preserved_filters, 'opts': opts}, post_url)
return HttpResponseRedirect(post_url)
return super(LogEntryAdmin, self).response_post_save_change(request, obj)
def has_add_permission(self, *args, **kwargs):
return False
def has_delete_permission(self, *args, **kwargs):
return False
def log_addition(self, *args, **kwargs):
pass
def log_change(self, *args, **kwargs):
pass
def log_deletion(self, *args, **kwargs):
pass
admin.site.register(admin.models.LogEntry, LogEntryAdmin)