166 lines
4.7 KiB
Python
166 lines
4.7 KiB
Python
from __future__ import unicode_literals
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from django.core.exceptions import PermissionDenied
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from django.db import models
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from django.utils.translation import ugettext
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from permissions import Permission
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class ModelAttribute(object):
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__registry = {}
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@classmethod
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def get_for(cls, model, type_names=None):
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result = []
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try:
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for type_name, attributes in cls.__registry[model].iteritems():
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if not type_names or type_name in type_names:
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result.extend(attributes)
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return result
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except IndexError:
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# We were passed a model instance, try again using the model of
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# the instance
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# If we are already in the model class, exit with an error
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if model.__class__ == models.base.ModelBase:
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raise
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return cls.get_for[type(model)]
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@classmethod
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def get_choices_for(cls, model, type_names=None):
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return [
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(
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attribute.name, attribute
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) for attribute in cls.get_for(model, type_names)
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]
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@classmethod
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def help_text_for(cls, model, type_names=None):
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result = []
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for count, attribute in enumerate(cls.get_for(model, type_names), 1):
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result.append(
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'{}) {}'.format(
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count, unicode(attribute.get_display(show_name=True))
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)
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)
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return ' '.join(
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[ugettext('Available attributes: '), ', '.join(result)]
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)
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def get_display(self, show_name=False):
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if self.description:
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return '{} - {}'.format(
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self.name if show_name else self.label, self.description
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)
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else:
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return unicode(self.name if show_name else self.label)
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def __unicode__(self):
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return self.get_display()
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def __init__(self, model, name, label=None, description=None, type_name=None):
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self.model = model
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self.label = label
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self.name = name
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self.description = description
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for field in model._meta.fields:
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if field.name == name:
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self.label = field.verbose_name
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self.description = field.help_text
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self.__registry.setdefault(model, {})
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if isinstance(type_name, list):
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for single_type in type_name:
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self.__registry[model].setdefault(single_type, [])
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self.__registry[model][single_type].append(self)
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else:
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self.__registry[model].setdefault(type_name, [])
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self.__registry[model][type_name].append(self)
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class MissingItem(object):
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_registry = []
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@classmethod
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def get_all(cls):
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return cls._registry
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def __init__(self, label, condition, description, view):
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self.label = label
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self.condition = condition
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self.description = description
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self.view = view
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self.__class__._registry.append(self)
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class Filter(object):
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_registry = {}
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@classmethod
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def get(cls, slug):
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return cls._registry[slug]
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@classmethod
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def all(cls):
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return cls._registry
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def __init__(self, label, slug, filter_kwargs, model, object_permission=None, hide_links=False):
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self.label = label
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self.slug = slug
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self.filter_kwargs = filter_kwargs
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self.model = model
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self.object_permission = object_permission
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self.hide_links = hide_links
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self.__class__._registry[self.slug] = self
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def __unicode__(self):
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return unicode(self.label)
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def get_queryset(self, user):
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from acls.models import AccessControlList
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queryset = self.model.objects.all()
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for kwargs in self.filter_kwargs:
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queryset = queryset.filter(**kwargs)
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queryset = queryset.distinct()
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if self.object_permission:
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try:
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# Check to see if the user has the permissions globally
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Permission.check_permissions(
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user, (self.object_permission,)
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)
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except PermissionDenied:
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# No global permission, filter ther queryset per object +
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# permission
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return AccessControlList.objects.filter_by_access(
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self.object_permission, user, queryset
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)
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else:
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# Has the permission globally, return all results
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return queryset
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else:
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return queryset
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class Package(object):
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_registry = []
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@classmethod
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def get_all(cls):
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return cls._registry
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def __init__(self, label, license_text):
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self.label = label
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self.license_text = license_text
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self.__class__._registry.append(self)
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