groups.py
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import colander
from deform import widget
from pyramid.i18n import TranslationStringFactory
from pyramid.view import view_config
from . import BaseView
from ..models import (
DBSession,
Group,
Permission,
GroupPermission,
)
_ = TranslationStringFactory('user')
@colander.deferred
def name_validator(node, kw):
return NameValidator(kw['group'])
@colander.deferred
def permissions_widget(node, kw):
values = kw.get('permissions_list', [])
return widget.CheckboxChoiceWidget(values=values)
class AddSchema(colander.Schema):
group_name = colander.SchemaNode(
colander.String(), validator=name_validator)
description = colander.SchemaNode(colander.String(), missing=colander.drop)
permissions = colander.SchemaNode(
colander.Set(), widget=permissions_widget, title='Hak akses')
class EditSchema(AddSchema):
id = colander.SchemaNode(colander.Integer(),
widget=widget.HiddenWidget(readonly=True),
missing=colander.drop)
class ListSchema(colander.Schema):
id = colander.SchemaNode(colander.Integer(), visible=False, title="Action")
group_name = colander.SchemaNode(
colander.String(), )
description = colander.SchemaNode(colander.String())
class Views(BaseView):
def __init__(self, request):
super(Views, self).__init__(request)
self.list_schema = ListSchema
self.list_route = "base-groups"
self.table = Group
self.add_schema = AddSchema
self.edit_schema = EditSchema
def get_bindings(self, row=None):
return dict(group=row,
permissions_list=get_permissions_list())
def next_act(self):
request = self.req
url_dict = request.matchdict
params = self.params
if url_dict['act'] == 'hon':
term = 'term' in params and params['term'] or ''
q = self.db_session.query(Group.id, Group.description).filter(
Group.description.ilike('%{}%'.format(term))). \
order_by(Group.group_name)
rows = q.all()
r = []
for k in rows:
d = dict(id=k[0], value=k[1])
r.append(d)
return r
def save_request(self, values, row=None):
insert = not row
vals = values.copy()
vals.pop('permissions')
row = self.save(vals, self.req.user, row)
existing = group_permission_set(row)
unused = existing - values['permissions']
if unused:
q = self.db_session.query(GroupPermission).filter_by(group_id=row.id). \
filter(GroupPermission.perm_name.in_(unused))
q.delete(synchronize_session=False)
new = values['permissions'] - existing
for perm_name in new:
gp = GroupPermission()
gp.group_id = row.id
gp.perm_name = perm_name
self.db_session.add(gp)
data = dict(group_name=row.group_name)
if insert:
ts = _('group-added', default='{group_name} group has been added.', mapping=data)
else:
ts = _('group-updated', default='${group_name} group profile updated', mapping=data)
self.ses.flash(ts)
return row
def get_values(self, row, istime=False):
values = super(Views, self).get_values(row, istime)
values['permissions'] = group_permission_set(row)
return values
def delete_msg(self, row):
data = dict(group_name=row.group_name)
ts = _(
'group-deleted',
default='{group_name} group has been deleted.',
mapping=data)
self.ses.flash(ts)
def clean_name(s):
s = s.strip()
while s.find(' ') > -1:
s = s.replace(' ', ' ')
return s
class NameValidator:
def __init__(self, group):
self.group = group
def __call__(self, node, value):
group_name = clean_name(value)
if self.group and self.group.group_name.lower() == group_name.lower():
return
q = DBSession.query(Group). \
filter(Group.group_name.ilike(group_name))
found = q.first()
if not found:
return
data = dict(group_name=group_name, gid=found.id)
ts = _(
'group-name-already-used',
default='Group name ${group_name} already used by ID ${gid}',
mapping=data)
raise colander.Invalid(node, ts)
@colander.deferred
def name_validator(node, kw):
return NameValidator(kw['group'])
@colander.deferred
def permissions_widget(node, kw):
values = kw.get('permission_list', [])
return widget.CheckboxChoiceWidget(values=values)
def get_permissions_list():
q = DBSession.query(Permission)
r = []
for perm in q.order_by(Permission.description):
row = (perm.perm_name, perm.description)
r.append(row)
return r
def group_permission_set(group):
q = DBSession.query(GroupPermission).filter_by(group_id=group.id)
r = []
for gp in q:
r.append(gp.perm_name)
return set(r)