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

130 lines
4.9 KiB
Python

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 django.contrib.admin.templatetags.admin_static import static
from orchestra.admin.utils import admin_link, admin_date
class LogEntryAdmin(admin.ModelAdmin):
list_display = (
'display_action_time', 'user_link', 'display_message',
)
list_filter = (
'action_flag',
('user', admin.RelatedOnlyFieldListFilter),
('content_type', admin.RelatedOnlyFieldListFilter),
)
date_hierarchy = 'action_time'
search_fields = ('object_repr', 'change_message', 'user__username')
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
list_select_related = ('user', 'content_type')
list_display_links = None
user_link = admin_link('user')
display_action_time = admin_date('action_time', short_description=_("Time"))
def display_message(self, log):
edit = '<a href="%(url)s"><img src="%(img)s"></img></a>' % {
'url': reverse('admin:admin_logentry_change', args=(log.pk,)),
'img': static('admin/img/icon-changelink.svg'),
}
if log.is_addition():
return _('Added "%(link)s". %(edit)s') % {
'link': self.content_object_link(log),
'edit': edit
}
elif log.is_change():
return _('Changed "%(link)s" - %(changes)s %(edit)s') % {
'link': self.content_object_link(log),
'changes': log.change_message,
'edit': edit,
}
elif log.is_deletion():
return _('Deleted "%(object)s." %(edit)s') % {
'object': log.object_repr,
'edit': edit,
}
display_message.short_description = _("Message")
display_message.admin_order_field = 'action_flag'
display_message.allow_tags = True
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
view = 'admin:%s_%s_change' % (ct.app_label, ct.model)
try:
url = reverse(view, 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 render_change_form(self, request, context, add=False, change=False, form_url='', obj=None):
""" Add rel_opts and object to context """
if not add and 'edit' in request.GET.urlencode():
context.update({
'rel_opts': obj.content_type.model_class()._meta,
'object': obj,
})
return super(LogEntryAdmin, self).render_change_form(
request, context, add, change, form_url, obj)
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
view = 'admin:%s_%s_history' % (opts.app_label, opts.model_name)
post_url = reverse(view, 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)