#!/usr/bin/python
# -*- coding: utf-8 -*-
"""Project user relationship."""
import uuid
from peewee import ForeignKeyField, UUIDField
from ..rest.orm import CherryPyAPI
from .utils import unicode_type
from .projects import Projects
from .relationships import Relationships
from .users import Users
from .base import DB
class ProjectUser(CherryPyAPI):
"""
Relates projects and users objects.
Attributes:
+-------------------+-------------------------------------+
| Name | Description |
+===================+=====================================+
| user | Link to the Users model |
+-------------------+-------------------------------------+
| relationship | Link to the Relationships model |
+-------------------+-------------------------------------+
| project | Link to the Projects model |
+-------------------+-------------------------------------+
"""
uuid = UUIDField(primary_key=True, default=uuid.uuid4, index=True)
user = ForeignKeyField(Users, backref='projects')
project = ForeignKeyField(Projects, backref='users')
relationship = ForeignKeyField(Relationships, backref='project_user')
# pylint: disable=too-few-public-methods
class Meta(object):
"""PeeWee meta class contains the database and the primary key."""
database = DB
indexes = (
(('user', 'project', 'relationship'), True),
)
# pylint: enable=too-few-public-methods
def to_hash(self, **flags):
"""Convert the object to a hash."""
obj = super(ProjectUser, self).to_hash(**flags)
obj['uuid'] = str(self.__data__['uuid'])
obj['user'] = int(self.__data__['user'])
obj['project'] = unicode_type(self.__data__['project'])
obj['relationship'] = str(self.__data__['relationship'])
return obj
def from_hash(self, obj):
"""Convert the hash into the object."""
super(ProjectUser, self).from_hash(obj)
self._set_only_if('uuid', obj, 'uuid',
lambda: uuid.UUID(obj['uuid']))
self._set_only_if_by_name('relationship', obj, Relationships)
self._set_only_if(
'user', obj, 'user',
lambda: Users.get(Users.id == obj['user'])
)
self._set_only_if(
'project', obj, 'project',
lambda: Projects.get(Projects.id == obj['project'])
)
@classmethod
def where_clause(cls, kwargs):
"""Where clause for the various elements."""
where_clause = super(ProjectUser, cls).where_clause(kwargs)
attrs = ['uuid', 'user', 'project', 'relationship']
return cls._where_attr_clause(where_clause, kwargs, attrs)