forked from DGNum/gestioCOF
2c76bea1e6
- Permissions are grouped by content type and displayed under its verbose_name_plural. - Default permissions appear before custom ones. - Use `permissions-field` class to enhance display.
78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
import re
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from itertools import groupby
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from operator import attrgetter
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from django import forms
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from django.utils.translation import ugettext_lazy as _
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from .models import Group, Permission
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DEFAULT_PERMS = ['view', 'add', 'change', 'delete']
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DEFAULT_PERMS_LABELS = {
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'view': _("Voir"),
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'add': _("Ajouter"),
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'change': _("Modifier"),
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'delete': _("Supprimer"),
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}
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class GroupsField(forms.ModelMultipleChoiceField):
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def __init__(self, **kwargs):
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kwargs.setdefault('queryset', Group.objects.all())
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kwargs.setdefault('widget', forms.CheckboxSelectMultiple)
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super().__init__(**kwargs)
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class BasePermissionsField(forms.ModelMultipleChoiceField):
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def __init__(self, **kwargs):
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kwargs.setdefault('widget', forms.CheckboxSelectMultiple(attrs={
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'field_class': 'permissions-field',
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}))
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super().__init__(**kwargs)
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# Contain permissions grouped by `ContentType`. Used as choices for
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# this field.
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grouped_choices = []
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for ct, perms in groupby(self.queryset, attrgetter('content_type')):
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model_opts = ct.model_class()._meta
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choices = []
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# This helps for the default permissions, if they exists, to appear
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# at the beginning of the permissions list and use custom labels.
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reg_defaults_p = re.compile(
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r'^(?P<p_type>({defaults}))_{model_name}$'
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.format(
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defaults='|'.join(DEFAULT_PERMS),
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model_name=model_opts.model_name,
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)
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)
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next_default_pos = 0
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for p in perms:
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match = reg_defaults_p.match(p.codename)
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if match:
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# `p` is a default permission. Use shorter label and insert
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# after the last default permission seen in `choices`.
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p_type = match.group('p_type')
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choices.insert(
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next_default_pos,
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(p.id, DEFAULT_PERMS_LABELS[p_type])
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)
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next_default_pos += 1
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else:
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# Non-default permissions. Use the permission description,
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# instead of its `__str__`.
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choices.append((p.id, p.name))
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grouped_choices.append((model_opts.verbose_name_plural, choices))
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self.choices = grouped_choices
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class CorePermissionsField(BasePermissionsField):
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def __init__(self, **kwargs):
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kwargs.setdefault('queryset', Permission.kfetcore.all())
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super().__init__(**kwargs)
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