#!/usr/bin/python
# -*- coding: utf-8 -*-
"""Project group relationship."""
from peewee import ForeignKeyField, CompositeKey
from .utils import index_hash, unicode_type
from .projects import Projects
from .groups import Groups
from .base import DB
from ..rest.orm import CherryPyAPI
[docs]class ProjectGroup(CherryPyAPI):
"""
Relates projects and groups objects.
Attributes:
+-------------------+-------------------------------------+
| Name | Description |
+===================+=====================================+
| group | Link to the Group model |
+-------------------+-------------------------------------+
| project | Link to the Project model |
+-------------------+-------------------------------------+
"""
group = ForeignKeyField(Groups, backref='projects')
project = ForeignKeyField(Projects, backref='groups')
# pylint: disable=too-few-public-methods
class Meta(object):
"""PeeWee meta class contains the database and the primary key."""
database = DB
primary_key = CompositeKey('group', 'project')
# pylint: enable=too-few-public-methods
[docs] def to_hash(self, **flags):
"""Convert the object to a hash."""
obj = super(ProjectGroup, self).to_hash(**flags)
obj['_id'] = index_hash(unicode_type(
self.__data__['project']), int(self.__data__['group']))
obj['group'] = int(self.__data__['group'])
obj['project'] = unicode_type(self.__data__['project'])
return obj
[docs] def from_hash(self, obj):
"""Convert the hash into the object."""
super(ProjectGroup, self).from_hash(obj)
self._set_only_if(
'project', obj, 'project',
lambda: Projects.get(Projects.id == obj['project'])
)
self._set_only_if(
'group', obj, 'group',
lambda: Groups.get(Groups.id == obj['group'])
)
[docs] @classmethod
def where_clause(cls, kwargs):
"""Where clause for the various elements."""
where_clause = super(ProjectGroup, cls).where_clause(kwargs)
attrs = ['group', 'project']
return cls._where_attr_clause(where_clause, kwargs, attrs)