from django import forms from django.conf.urls import patterns, url from django.contrib import admin, messages from django.contrib.admin.util import unquote from django.contrib.auth import admin as auth from django.http import HttpResponseRedirect from django.utils.safestring import mark_safe from django.utils.six.moves.urllib.parse import parse_qsl from django.utils.translation import ugettext_lazy as _ from orchestra.admin import ExtendedModelAdmin from orchestra.admin.utils import wrap_admin_view, admin_link, set_url_query, change_url from orchestra.core import services, accounts from .filters import HasMainUserListFilter from .forms import AccountCreationForm, AccountChangeForm from .models import Account class AccountAdmin(auth.UserAdmin, ExtendedModelAdmin): list_display = ('username', 'type', 'is_active') list_filter = ( 'type', 'is_active', HasMainUserListFilter ) add_fieldsets = ( (_("User"), { 'fields': ('username', 'password1', 'password2',), }), (_("Personal info"), { 'fields': ('first_name', 'last_name', 'email', ('type', 'language'), 'comments'), }), (_("Permissions"), { 'fields': ('is_superuser',) }), ) fieldsets = ( (_("User"), { 'fields': ('username', 'password',) }), (_("Personal info"), { 'fields': ('first_name', 'last_name', 'email', ('type', 'language'), 'comments'), }), (_("Permissions"), { 'fields': ('is_superuser', 'is_active') }), (_("Important dates"), { 'classes': ('collapse',), 'fields': ('last_login', 'date_joined') }), ) search_fields = ('username',) add_form = AccountCreationForm form = AccountChangeForm filter_horizontal = () change_readonly_fields = ('username',) change_form_template = 'admin/accounts/account/change_form.html' def formfield_for_dbfield(self, db_field, **kwargs): """ Make value input widget bigger """ if db_field.name == 'comments': kwargs['widget'] = forms.Textarea(attrs={'cols': 70, 'rows': 4}) return super(AccountAdmin, self).formfield_for_dbfield(db_field, **kwargs) def change_view(self, request, object_id, form_url='', extra_context=None): if request.method == 'GET': account = self.get_object(request, unquote(object_id)) if not account.is_active: messages.warning(request, 'This account is disabled.') context = { 'services': sorted( [ model._meta for model in services.get() if model is not Account ], key=lambda i: i.verbose_name_plural.lower() ), 'accounts': sorted( [ model._meta for model in accounts.get() if model is not Account ], key=lambda i: i.verbose_name_plural.lower() ) } context.update(extra_context or {}) return super(AccountAdmin, self).change_view(request, object_id, form_url=form_url, extra_context=context) def get_queryset(self, request): """ Select related for performance """ qs = super(AccountAdmin, self).get_queryset(request) related = ('invoicecontact',) return qs.select_related(*related) admin.site.register(Account, AccountAdmin) class AccountListAdmin(AccountAdmin): """ Account list to allow account selection when creating new services """ list_display = ('select_account', 'type', 'username') actions = None search_fields = ['username',] ordering = ('username',) def select_account(self, instance): # TODO get query string from request.META['QUERY_STRING'] to preserve filters context = { 'url': '../?account=' + str(instance.pk), 'name': instance.username } return '%(name)s' % context select_account.short_description = _("account") select_account.allow_tags = True select_account.order_admin_field = 'username' def changelist_view(self, request, extra_context=None): original_app_label = request.META['PATH_INFO'].split('/')[-5] original_model = request.META['PATH_INFO'].split('/')[-4] context = { 'title': _("Select account for adding a new %s") % (original_model), 'original_app_label': original_app_label, 'original_model': original_model, } context.update(extra_context or {}) return super(AccountListAdmin, self).changelist_view(request, extra_context=context) class AccountAdminMixin(object): """ Provide basic account support to ModelAdmin and AdminInline classes """ readonly_fields = ('account_link',) filter_by_account_fields = [] change_list_template = 'admin/accounts/account/change_list.html' change_form_template = 'admin/accounts/account/change_form.html' def account_link(self, instance): account = instance.account if instance.pk else self.account url = change_url(account) return '%s' % (url, str(account)) account_link.short_description = _("account") account_link.allow_tags = True account_link.admin_order_field = 'account__username' def get_readonly_fields(self, request, obj=None): """ provide account for filter_by_account_fields """ if obj: self.account = obj.account return super(AccountAdminMixin, self).get_readonly_fields(request, obj=obj) def get_queryset(self, request): """ Select related for performance """ qs = super(AccountAdminMixin, self).get_queryset(request) return qs.select_related('account') def formfield_for_dbfield(self, db_field, **kwargs): """ Filter by account """ formfield = super(AccountAdminMixin, self).formfield_for_dbfield(db_field, **kwargs) if db_field.name in self.filter_by_account_fields: if hasattr(self, 'account'): # Hack widget render in order to append ?account=id to the add url old_render = formfield.widget.render def render(*args, **kwargs): output = old_render(*args, **kwargs) output = output.replace('/add/"', '/add/?account=%s"' % self.account.pk) return mark_safe(output) formfield.widget.render = render # Filter related object by account formfield.queryset = formfield.queryset.filter(account=self.account) return formfield def get_account_from_preserve_filters(self, request): preserved_filters = self.get_preserved_filters(request) preserved_filters = dict(parse_qsl(preserved_filters)) cl_filters = preserved_filters.get('_changelist_filters') if cl_filters: return dict(parse_qsl(cl_filters)).get('account') def changeform_view(self, request, object_id=None, form_url='', extra_context=None): account_id = self.get_account_from_preserve_filters(request) if not object_id: if account_id: # Preselect account set_url_query(request, 'account', account_id) context = { 'from_account': bool(account_id), 'account': not account_id or Account.objects.get(pk=account_id), 'account_opts': Account._meta, } context.update(extra_context or {}) return super(AccountAdminMixin, self).changeform_view(request, object_id=object_id, form_url=form_url, extra_context=context) def changelist_view(self, request, extra_context=None): account_id = request.GET.get('account') context = {} if account_id: opts = self.model._meta account = Account.objects.get(pk=account_id) context = { 'account': not account_id or Account.objects.get(pk=account_id), 'account_opts': Account._meta, 'all_selected': True, } if not request.GET.get('all'): context.update({ 'all_selected': False, 'title': _("Select %s to change for %s") % ( opts.verbose_name, account.username), }) else: request_copy = request.GET.copy() request_copy.pop('account') request.GET = request_copy context.update(extra_context or {}) return super(AccountAdminMixin, self).changelist_view(request, extra_context=context) class SelectAccountAdminMixin(AccountAdminMixin): """ Provides support for accounts on ModelAdmin """ def get_inline_instances(self, request, obj=None): inlines = super(AccountAdminMixin, self).get_inline_instances(request, obj=obj) if hasattr(self, 'account'): account = self.account else: account = Account.objects.get(pk=request.GET['account']) [ setattr(inline, 'account', account) for inline in inlines ] return inlines def get_urls(self): """ Hooks select account url """ urls = super(AccountAdminMixin, self).get_urls() admin_site = self.admin_site opts = self.model._meta info = opts.app_label, opts.model_name account_list = AccountListAdmin(Account, admin_site).changelist_view select_urls = patterns("", url("/select-account/$", wrap_admin_view(self, account_list), name='%s_%s_select_account' % info), ) return select_urls + urls def add_view(self, request, form_url='', extra_context=None): """ Redirects to select account view if required """ if request.user.is_superuser: from_account_id = self.get_account_from_preserve_filters(request) if from_account_id: set_url_query(request, 'account', from_account_id) account_id = request.GET.get('account') if account_id or Account.objects.count() == 1: kwargs = {} if account_id: kwargs = dict(pk=account_id) self.account = Account.objects.get(**kwargs) opts = self.model._meta context = { 'title': _("Add %s for %s") % (opts.verbose_name, self.account.username), 'from_account': bool(from_account_id), 'account': self.account, 'account_opts': Account._meta, } context.update(extra_context or {}) return super(AccountAdminMixin, self).add_view(request, form_url=form_url, extra_context=context) return HttpResponseRedirect('./select-account/?%s' % request.META['QUERY_STRING']) def save_model(self, request, obj, form, change): """ Given a model instance save it to the database. """ if not change: obj.account_id = self.account.pk obj.save()