#!/usr/bin/python
# -*- coding: utf-8 -*-
"""DOIInfo stores return info from the minting service about the DOI entry."""
from peewee import ForeignKeyField, CharField, CompositeKey
from .base import DB
from .utils import index_hash
from .doi_entries import DOIEntries
from ..rest.orm import CherryPyAPI
from .utils import unicode_type
[docs]class DOIInfo(CherryPyAPI):
"""
DOI Info keys and values for return info from minting service.
Attributes:
+-------------------+-------------------------------------+
| Name | Description |
+===================+=====================================+
| doi | Link to the DOIEntries model |
+-------------------+-------------------------------------+
| key | Key name |
+-------------------+-------------------------------------+
| value | Value |
+-------------------+-------------------------------------+
"""
doi = ForeignKeyField(DOIEntries, backref='metadata', column_name='doi')
key = CharField()
value = CharField()
# pylint: disable=too-few-public-methods
class Meta(object):
"""PeeWee meta class contains the database and the primary key."""
database = DB
primary_key = CompositeKey('doi', 'key')
# pylint: enable=too-few-public-methods
[docs] def to_hash(self, **flags):
"""Convert the object to a hash."""
obj = super(DOIInfo, self).to_hash(**flags)
obj['_id'] = index_hash(
unicode_type(self.__data__['doi']),
unicode_type(self.__data__['key'])
)
obj['doi'] = unicode_type(self.__data__['doi'])
obj['key'] = unicode_type(self.__data__['key'])
obj['value'] = unicode_type(self.__data__['value'])
return obj
[docs] def from_hash(self, obj):
"""Convert the hash into the object."""
super(DOIInfo, self).from_hash(obj)
self._set_only_if(
'doi', obj, 'doi',
lambda: DOIEntries.get(DOIEntries.doi == obj['doi'])
)
self._set_only_if(
'value', obj, 'value', lambda: unicode_type(obj['value'])
)
self._set_only_if(
'key', obj, 'key', lambda: unicode_type(obj['key'])
)
[docs] @classmethod
def where_clause(cls, kwargs):
"""Where clause for the various elements."""
where_clause = super(DOIInfo, cls).where_clause(kwargs)
attrs = ['doi', 'key', 'value']
return cls._where_attr_clause(where_clause, kwargs, attrs)