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

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import copy
import re
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from urllib.parse import parse_qsl
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from django import forms
from django.apps import apps
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from django.conf.urls import url
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from django.contrib import admin, messages
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from django.contrib.admin.utils import unquote
from django.contrib.auth import admin as auth
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from django.http import HttpResponseRedirect
from django.templatetags.static import static
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from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
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from orchestra.admin import ExtendedModelAdmin, ChangePasswordAdminMixin
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from orchestra.admin.actions import SendEmail
from orchestra.admin.utils import wrap_admin_view, admin_link, set_url_query, change_url
from orchestra.core import services, accounts
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from orchestra.forms import UserChangeForm
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from .actions import list_contacts, service_report, delete_related_services, disable_selected
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from .filters import HasMainUserListFilter
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from .forms import AccountCreationForm
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from .models import Account
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class AccountAdmin(ChangePasswordAdminMixin, auth.UserAdmin, ExtendedModelAdmin):
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list_display = ('username', 'full_name', 'type', 'is_active')
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list_filter = (
'type', 'is_active', HasMainUserListFilter
)
add_fieldsets = (
(_("User"), {
'fields': ('username', 'password1', 'password2',),
}),
(_("Personal info"), {
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'fields': ('short_name', 'full_name', 'email', ('type', 'language'), 'comments'),
}),
(_("Permissions"), {
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'fields': ('is_superuser',)
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}),
)
fieldsets = (
(_("User"), {
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'fields': ('username', 'password', 'main_systemuser_link')
}),
(_("Personal info"), {
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'fields': ('short_name', 'full_name', 'email', ('type', 'language'), 'comments'),
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}),
(_("Permissions"), {
'fields': ('is_superuser', 'is_active')
}),
(_("Important dates"), {
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'classes': ('collapse',),
'fields': ('last_login', 'date_joined')
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}),
)
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search_fields = ('username', 'short_name', 'full_name')
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add_form = AccountCreationForm
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form = UserChangeForm
filter_horizontal = ()
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change_readonly_fields = ('username', 'main_systemuser_link', 'is_active')
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change_form_template = 'admin/accounts/account/change_form.html'
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actions = (
disable_selected, delete_related_services, list_contacts, service_report, SendEmail()
)
change_view_actions = (disable_selected, service_report)
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ordering = ()
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main_systemuser_link = admin_link('main_systemuser')
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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(
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[model._meta for model in services.get() if model is not Account],
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key=lambda i: i.verbose_name_plural.lower()
),
'accounts': sorted(
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[model._meta for model in accounts.get() if model is not Account],
key=lambda i: i.verbose_name_plural.lower()
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)
}
context.update(extra_context or {})
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return super(AccountAdmin, self).change_view(
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request, object_id, form_url=form_url, extra_context=context)
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def get_fieldsets(self, request, obj=None):
fieldsets = super(AccountAdmin, self).get_fieldsets(request, obj)
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if not obj:
fields = AccountCreationForm.create_related_fields
if fields:
fieldsets = copy.deepcopy(fieldsets)
fieldsets = list(fieldsets)
fieldsets.insert(1, (_("Related services"), {'fields': fields}))
return fieldsets
def save_model(self, request, obj, form, change):
if not change:
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form.save_model(obj)
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form.save_related(obj)
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else:
super(AccountAdmin, self).save_model(request, obj, form, change)
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def get_actions(self, request):
actions = super(AccountAdmin, self).get_actions(request)
if 'delete_selected' in actions:
del actions['delete_selected']
return actions
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admin.site.register(Account, AccountAdmin)
class AccountListAdmin(AccountAdmin):
""" Account list to allow account selection when creating new services """
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list_display = ('select_account', 'username', 'type', 'username')
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actions = None
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change_list_template = 'admin/accounts/account/select_account_list.html'
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def select_account(self, instance):
# TODO get query string from request.META['QUERY_STRING'] to preserve filters
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context = {
'url': '../?account=' + str(instance.pk),
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'name': instance.username,
'plus': '<strong style="color:green; font-size:12px">+</strong>',
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}
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return _('<a href="%(url)s">%(plus)s Add to %(name)s</a>') % context
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select_account.short_description = _("account")
select_account.allow_tags = True
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select_account.admin_order_field = 'username'
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def changelist_view(self, request, extra_context=None):
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app_label = request.META['PATH_INFO'].split('/')[-5]
model = request.META['PATH_INFO'].split('/')[-4]
model = apps.get_model(app_label, model)
opts = model._meta
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context = {
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'title': _("Select account for adding a new %s") % (opts.verbose_name),
'original_opts': opts,
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}
context.update(extra_context or {})
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response = super(AccountListAdmin, self).changelist_view(request, extra_context=context)
if hasattr(response, 'context_data'):
# user has submitted a change list change, we redirect directly to the add view
# if there is only one result
queryset = response.context_data['cl'].queryset
if len(queryset) == 1:
return HttpResponseRedirect('../?account=%i' % queryset[0].pk)
return response
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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'
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account = None
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list_select_related = ('account',)
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def display_active(self, instance):
if not instance.is_active:
return '<img src="%s" alt="False">' % static('admin/img/icon-no.gif')
elif not instance.account.is_active:
msg = _("Account disabled")
return '<img src="%s" alt="False" title="%s">' % (static('admin/img/icon-unknown.gif'), msg)
return '<img src="%s" alt="False">' % static('admin/img/icon-yes.gif')
display_active.short_description = _("active")
display_active.allow_tags = True
display_active.admin_order_field = 'is_active'
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def account_link(self, instance):
account = instance.account if instance.pk else self.account
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url = change_url(account)
return '<a href="%s">%s</a>' % (url, account)
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account_link.short_description = _("account")
account_link.allow_tags = True
account_link.admin_order_field = 'account__username'
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def get_form(self, request, obj=None, **kwargs):
""" Warns user when object's account is disabled """
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form = super(AccountAdminMixin, self).get_form(request, obj, **kwargs)
try:
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field = form.base_fields['is_active']
except KeyError:
pass
else:
help_text = (
"Designates whether this account should be treated as active. "
"Unselect this instead of deleting accounts."
)
if obj and not obj.account.is_active:
help_text += "<br><b style='color:red;'>This user's account is dissabled</b>"
field.help_text = _(help_text)
# Not available in POST
form.initial_account = self.get_changeform_initial_data(request).get('account')
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return form
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def get_fields(self, request, obj=None):
""" remove account or account_link depending on the case """
fields = super(AccountAdminMixin, self).get_fields(request, obj)
fields = list(fields)
if obj is not None or getattr(self, 'account_id', None):
try:
fields.remove('account')
except ValueError:
pass
else:
try:
fields.remove('account_link')
except ValueError:
pass
return fields
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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)
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def formfield_for_dbfield(self, db_field, **kwargs):
""" Filter by account """
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formfield = super(AccountAdminMixin, self).formfield_for_dbfield(db_field, **kwargs)
if db_field.name in self.filter_by_account_fields:
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if self.account:
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# Hack widget render in order to append ?account=id to the add url
old_render = formfield.widget.render
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def render(*args, **kwargs):
output = old_render(*args, **kwargs)
output = output.replace('/add/"', '/add/?account=%s"' % self.account.pk)
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with_qargs = r'/add/?\1&account=%s"' % self.account.pk
output = re.sub(r'/add/\?([^".]*)"', with_qargs, output)
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return mark_safe(output)
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formfield.widget.render = render
# Filter related object by account
formfield.queryset = formfield.queryset.filter(account=self.account)
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# Apply heuristic order by
if not formfield.queryset.query.order_by:
related_fields = db_field.related_model._meta.get_all_field_names()
if 'name' in related_fields:
formfield.queryset = formfield.queryset.order_by('name')
elif 'username' in related_fields:
formfield.queryset = formfield.queryset.order_by('username')
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elif db_field.name == 'account':
if self.account:
formfield.initial = self.account.pk
elif Account.objects.count() == 1:
formfield.initial = 1
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formfield.queryset = formfield.queryset.order_by('username')
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return formfield
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def get_formset(self, request, obj=None, **kwargs):
""" provides form.account for convinience """
formset = super(AccountAdminMixin, self).get_formset(request, obj, **kwargs)
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formset.form.account = self.account
formset.account = self.account
return formset
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 {})
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return super(AccountAdminMixin, self).changeform_view(
request, 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 {})
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return super(AccountAdminMixin, self).changelist_view(request, extra_context=context)
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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)
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if self.account:
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account = self.account
else:
account = Account.objects.get(pk=request.GET['account'])
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[setattr(inline, 'account', account) for inline in inlines]
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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
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info = opts.app_label, opts.model_name
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account_list = AccountListAdmin(Account, admin_site).changelist_view
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select_urls = [
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url("/select-account/$",
wrap_admin_view(self, account_list),
name='%s_%s_select_account' % info),
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]
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return select_urls + urls
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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:
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kwargs = {}
if account_id:
kwargs = dict(pk=account_id)
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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,
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}
context.update(extra_context or {})
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return super(AccountAdminMixin, self).add_view(
request, form_url=form_url, extra_context=context)
return HttpResponseRedirect('./select-account/?%s' % request.META['QUERY_STRING'])
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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()