from django import forms from django.conf.urls import patterns, url from django.contrib import admin, messages from django.contrib.admin.options import IS_POPUP_VAR from django.contrib.admin.utils import unquote from django.contrib.auth import update_session_auth_hash from django.core.exceptions import PermissionDenied from django.http import HttpResponseRedirect, Http404 from django.forms.models import BaseInlineFormSet from django.shortcuts import render, redirect, get_object_or_404 from django.template.response import TemplateResponse from django.utils.decorators import method_decorator from django.utils.html import escape from django.utils.text import camel_case_to_spaces from django.utils.translation import ugettext_lazy as _ from django.views.decorators.debug import sensitive_post_parameters from .forms import AdminPasswordChangeForm #from django.contrib.auth.forms import AdminPasswordChangeForm from .utils import set_url_query, action_to_view, wrap_admin_view sensitive_post_parameters_m = method_decorator(sensitive_post_parameters()) class ChangeListDefaultFilter(object): """ Enables support for default filtering on admin change list pages Your model admin class should define an default_changelist_filters attribute default_changelist_filters = (('my_nodes', 'True'),) """ default_changelist_filters = () def changelist_view(self, request, extra_context=None): """ Default filter as 'my_nodes=True' """ defaults = [] for key, value in self.default_changelist_filters: set_url_query(request, key, value) defaults.append(key) # hack response cl context in order to hook default filter awaearness # into search_form.html template response = super(ChangeListDefaultFilter, self).changelist_view(request, extra_context=extra_context) if hasattr(response, 'context_data') and 'cl' in response.context_data: response.context_data['cl'].default_changelist_filters = defaults return response class AtLeastOneRequiredInlineFormSet(BaseInlineFormSet): def clean(self): """Check that at least one service has been entered.""" super(AtLeastOneRequiredInlineFormSet, self).clean() if any(self.errors): return if not any(cleaned_data and not cleaned_data.get('DELETE', False) for cleaned_data in self.cleaned_data): raise forms.ValidationError('At least one item required.') class ChangeViewActionsMixin(object): """ Makes actions visible on the admin change view page. """ change_view_actions = () change_form_template = 'orchestra/admin/change_form.html' def get_urls(self): """Returns the additional urls for the change view links""" urls = super(ChangeViewActionsMixin, self).get_urls() admin_site = self.admin_site opts = self.model._meta new_urls = patterns('') for action in self.get_change_view_actions(): new_urls += patterns('', url('^(\d+)/%s/$' % action.url_name, admin_site.admin_view(action), name='%s_%s_%s' % (opts.app_label, opts.model_name, action.url_name) ) ) return new_urls + urls def get_change_view_actions(self, obj=None): """ allow customization on modelamdin """ views = [] for action in self.change_view_actions: if isinstance(action, basestring): action = getattr(self, action) view = action_to_view(action, self) view.url_name = getattr(action, 'url_name', action.__name__) verbose_name = getattr(action, 'verbose_name', view.url_name.capitalize().replace('_', ' ')) if hasattr(verbose_name, '__call__'): verbose_name = verbose_name(obj) view.verbose_name = verbose_name view.css_class = getattr(action, 'css_class', 'historylink') view.description = getattr(action, 'description', '') views.append(view) return views def change_view(self, request, object_id, **kwargs): if not 'extra_context' in kwargs: kwargs['extra_context'] = {} obj = self.get_object(request, unquote(object_id)) kwargs['extra_context']['object_tools_items'] = [ action.__dict__ for action in self.get_change_view_actions(obj=obj) ] return super(ChangeViewActionsMixin, self).change_view(request, object_id, **kwargs) class ChangeAddFieldsMixin(object): """ Enables to specify different set of fields for change and add views """ add_fields = () add_fieldsets = () add_form = None add_prepopulated_fields = {} change_readonly_fields = () add_inlines = () def get_prepopulated_fields(self, request, obj=None): if not obj: return super(ChangeAddFieldsMixin, self).get_prepopulated_fields(request, obj=obj) return {} def get_readonly_fields(self, request, obj=None): fields = super(ChangeAddFieldsMixin, self).get_readonly_fields(request, obj=obj) if obj: return fields + self.change_readonly_fields return fields def get_fieldsets(self, request, obj=None): if not obj: if self.add_fieldsets: return self.add_fieldsets elif self.add_fields: return [(None, {'fields': self.add_fields})] return super(ChangeAddFieldsMixin, self).get_fieldsets(request, obj=obj) def get_inline_instances(self, request, obj=None): """ add_inlines and inline.parent_object """ if obj: self.inlines = type(self).inlines else: self.inlines = self.add_inlines or self.inlines inlines = super(ChangeAddFieldsMixin, self).get_inline_instances(request, obj=obj) for inline in inlines: inline.parent_object = obj return inlines def get_form(self, request, obj=None, **kwargs): """ Use special form during user creation """ defaults = {} if obj is None and self.add_form: defaults['form'] = self.add_form defaults.update(kwargs) return super(ChangeAddFieldsMixin, self).get_form(request, obj, **defaults) class ExtendedModelAdmin(ChangeViewActionsMixin, ChangeAddFieldsMixin, admin.ModelAdmin): prefetch_related = None def get_queryset(self, request): qs = super(ExtendedModelAdmin, self).get_queryset(request) if self.prefetch_related: qs = qs.prefetch_related(*self.prefetch_related) return qs class SelectPluginAdminMixin(object): plugin = None plugin_field = None def get_form(self, request, obj=None, **kwargs): if obj: self.form = getattr(obj, '%s_class' % self.plugin_field)().get_form() else: self.form = self.plugin.get_plugin(self.plugin_value)().get_form() return super(SelectPluginAdminMixin, self).get_form(request, obj=obj, **kwargs) def get_urls(self): """ Hooks select account url """ urls = super(SelectPluginAdminMixin, self).get_urls() opts = self.model._meta info = opts.app_label, opts.model_name select_urls = patterns("", url("/select-plugin/$", wrap_admin_view(self, self.select_plugin_view), name='%s_%s_select_plugin' % info), ) return select_urls + urls def select_plugin_view(self, request): opts = self.model._meta context = { 'opts': opts, 'app_label': opts.app_label, 'field': self.plugin_field, 'field_name': opts.get_field_by_name(self.plugin_field)[0].verbose_name, 'plugin': self.plugin, 'plugins': self.plugin.get_plugins(), } template = 'admin/orchestra/select_plugin.html' return render(request, template, context) def add_view(self, request, form_url='', extra_context=None): """ Redirects to select account view if required """ if request.user.is_superuser: plugin_value = request.GET.get(self.plugin_field) or request.POST.get(self.plugin_field) if plugin_value or self.plugin.get_plugins() == 1: self.plugin_value = plugin_value if not plugin_value: self.plugin_value = self.plugin.get_plugins()[0] context = { 'title': _("Add new %s") % camel_case_to_spaces(self.plugin_value), } context.update(extra_context or {}) return super(SelectPluginAdminMixin, self).add_view(request, form_url=form_url, extra_context=context) return redirect('./select-plugin/?%s' % request.META['QUERY_STRING']) def change_view(self, request, object_id, form_url='', extra_context=None): obj = self.get_object(request, unquote(object_id)) plugin_value = getattr(obj, self.plugin_field) context = { 'title': _("Change %s") % camel_case_to_spaces(plugin_value), } context.update(extra_context or {}) return super(SelectPluginAdminMixin, self).change_view(request, object_id, form_url=form_url, extra_context=context) def save_model(self, request, obj, form, change): if not change: setattr(obj, self.plugin_field, self.plugin_value) obj.save() class ChangePasswordAdminMixin(object): change_password_form = AdminPasswordChangeForm change_user_password_template = 'admin/orchestra/change_password.html' def get_urls(self): opts = self.model._meta info = opts.app_label, opts.model_name return patterns('', url(r'^(\d+)/password/$', self.admin_site.admin_view(self.change_password), name='%s_%s_change_password' % info), ) + super(ChangePasswordAdminMixin, self).get_urls() @sensitive_post_parameters_m def change_password(self, request, id, form_url=''): if not self.has_change_permission(request): raise PermissionDenied # TODO use this insetad of self.get_object(), in other places user = get_object_or_404(self.get_queryset(request), pk=id) related = [] try: # don't know why getattr(user, 'username', user.name) doesn't work username = user.username except AttributeError: username = user.name if hasattr(user, 'account'): account = user.account if user.account.username == username: related.append(user.account) else: account = user for rel in account.get_related_passwords(): if not isinstance(user, type(rel)): related.append(rel) if request.method == 'POST': form = self.change_password_form(user, request.POST, related=related) if form.is_valid(): form.save() change_message = self.construct_change_message(request, form, None) self.log_change(request, user, change_message) msg = _('Password changed successfully.') messages.success(request, msg) update_session_auth_hash(request, form.user) # This is safe return HttpResponseRedirect('..') else: form = self.change_password_form(user, related=related) fieldsets = [ (user._meta.verbose_name.capitalize(), { 'classes': ('wide',), 'fields': ('password1', 'password2') }), ] for ix, rel in enumerate(related): fieldsets.append((rel._meta.verbose_name.capitalize(), { 'classes': ('wide',), 'fields': ('password1_%i' % ix, 'password2_%i' % ix) })) adminForm = admin.helpers.AdminForm(form, fieldsets, {}) context = { 'title': _('Change password: %s') % escape(username), 'adminform': adminForm, 'errors': admin.helpers.AdminErrorList(form, []), 'form_url': form_url, 'is_popup': (IS_POPUP_VAR in request.POST or IS_POPUP_VAR in request.GET), 'add': True, 'change': False, 'has_delete_permission': False, 'has_change_permission': True, 'has_absolute_url': False, 'opts': self.model._meta, 'original': user, 'save_as': False, 'show_save': True, } context.update(admin.site.each_context()) return TemplateResponse(request, self.change_user_password_template, context, current_app=self.admin_site.name)