storyboard/storyboard/api/v1/wsme_models.py

288 lines
7.8 KiB
Python

# Copyright (c) 2013 Mirantis Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from datetime import datetime
import six
import warnings
from wsme import types as wtypes
from oslo.config import cfg
from sqlalchemy.exc import SADeprecationWarning
import storyboard.db.models as sqlalchemy_models
from storyboard.openstack.common.db.sqlalchemy import session as db_session
CONF = cfg.CONF
class _Base(wtypes.Base):
id = int
created_at = datetime
updated_at = datetime
def __init__(self, **kwargs):
for key, val in six.iteritems(kwargs):
setattr(self, key, val)
super(_Base, self).__init__(**kwargs)
@classmethod
def get(cls, **kwargs):
query = cls.from_db(**kwargs)
entry = query.first()
return convert_to_wsme(cls, entry)
@classmethod
def get_all(cls, **kwargs):
query = cls.from_db(**kwargs)
entries = query.all()
return [convert_to_wsme(cls, entry) for entry in entries]
@classmethod
def create(cls, session=None, wsme_entry=None):
if not session:
session = db_session.get_session(sqlite_fk=True)
with session.begin():
db_entry = convert_to_db_model(cls, wsme_entry, session)
session.add(db_entry)
return cls.get(id=db_entry.id)
@classmethod
def update(cls, key_property_name="id", key_property_value=None,
wsme_entry=None):
db_entry = cls.from_db(**{key_property_name: key_property_value})\
.first()
if not db_entry:
return None
session = db_session.get_session(sqlite_fk=True)
with session.begin():
updated_db_model = update_db_model(cls, db_entry, wsme_entry)
session.add(updated_db_model)
return cls.get(id=db_entry.id)
@classmethod
def add_item(cls, cont_key_name, cont_key_value, item_cls, item_key_name,
item_key_value, container_name):
session = db_session.get_session(sqlite_fk=True)
with session.begin():
db_container_enty = cls.from_db(session=session,
**{cont_key_name: cont_key_value})\
.first()
if not db_container_enty:
return None
db_add_item = item_cls.from_db(session=session,
**{item_key_name: item_key_value}).\
first()
if not db_add_item:
return None
getattr(db_container_enty, container_name).append(db_add_item)
session.add(db_container_enty)
return cls.get(**{cont_key_name: cont_key_value})
@classmethod
def create_and_add_item(cls, cont_key_name, cont_key_value, item_cls,
item_value, container_name):
wsme_item = item_cls.create(wsme_entry=item_value)
if not wsme_item:
return None
return cls.add_item(cont_key_name, cont_key_value, item_cls, "id",
wsme_item.id, container_name)
@classmethod
def from_db(cls, session=None, **kwargs):
model_cls = WSME_TO_SQLALCHEMY[cls]
if not session:
session = db_session.get_session(sqlite_fk=True)
query = session.query(model_cls)
return query.filter_by(**kwargs)
warnings.simplefilter("ignore", SADeprecationWarning)
def convert_to_wsme(cls, entry):
if not entry:
return None
wsme_object = cls()
for attr in cls._wsme_attributes:
attr_name = attr.name
value = getattr(entry, attr_name)
if value is None:
continue
if isinstance(attr._get_datatype(), _Base):
value = convert_to_wsme(SQLALCHEMY_TO_WSME[type(attr)], value)
if isinstance(attr._get_datatype(), wtypes.ArrayType):
value = [convert_to_wsme(SQLALCHEMY_TO_WSME[type(item)], item)
for item in value]
setattr(wsme_object, attr_name, value)
return wsme_object
def convert_to_db_model(cls, entry, session):
if not entry:
return None
model_cls = WSME_TO_SQLALCHEMY[cls]
model_object = model_cls()
for attr in cls._wsme_attributes:
attr_name = attr.name
value = getattr(entry, attr_name)
if value is None or isinstance(value, wtypes.UnsetType):
continue
if isinstance(attr._get_datatype(), _Base):
value = convert_to_db_model(type(attr), value, session)
session.add(value)
if isinstance(attr._get_datatype(), wtypes.ArrayType):
value = [convert_to_db_model(attr._get_datatype().item_type,
item,
session)
for item in value]
setattr(model_object, attr_name, value)
return model_object
def update_db_model(cls, db_entry, wsme_entry):
if not db_entry or not wsme_entry:
return None
for attr in cls._wsme_attributes:
attr_name = attr.name
value = getattr(wsme_entry, attr_name)
if isinstance(value, wtypes.UnsetType):
continue
setattr(db_entry, attr_name, value)
return db_entry
class Project(_Base):
name = wtypes.text
description = wtypes.text
class ProjectGroup(_Base):
name = wtypes.text
title = wtypes.text
projects = wtypes.ArrayType(Project)
class Permission(_Base):
pass
class Task(_Base):
pass
class StoryTag(_Base):
pass
class Comment(_Base):
#todo(nkonovalov): replace with a enum
action = wtypes.text
comment_type = wtypes.text
content = wtypes.text
story_id = int
author_id = int
class Story(_Base):
title = wtypes.text
description = wtypes.text
is_bug = bool
#todo(nkonovalov): replace with a enum
priority = wtypes.text
tasks = wtypes.ArrayType(Task)
comments = wtypes.ArrayType(Comment)
tags = wtypes.ArrayType(StoryTag)
@classmethod
def add_task(cls, story_id, task):
return cls.create_and_add_item("id", story_id, Task, task, "tasks")
@classmethod
def add_comment(cls, story_id, comment):
return cls.create_and_add_item("id", story_id, Comment, comment,
"comments")
class User(_Base):
username = wtypes.text
first_name = wtypes.text
last_name = wtypes.text
email = wtypes.text
is_staff = bool
is_active = bool
is_superuser = bool
last_login = datetime
#teams = wtypes.ArrayType(Team)
permissions = wtypes.ArrayType(Permission)
#tasks = wtypes.ArrayType(Task)
class Team(_Base):
name = wtypes.text
users = wtypes.ArrayType(User)
permissions = wtypes.ArrayType(Permission)
@classmethod
def add_user(cls, team_name, username):
return cls.add_item("name", team_name,
User, "username", username,
"users")
SQLALCHEMY_TO_WSME = {
sqlalchemy_models.Team: Team,
sqlalchemy_models.User: User,
sqlalchemy_models.ProjectGroup: ProjectGroup,
sqlalchemy_models.Project: Project,
sqlalchemy_models.Permission: Permission,
sqlalchemy_models.Story: Story,
sqlalchemy_models.Task: Task,
sqlalchemy_models.Comment: Comment,
sqlalchemy_models.StoryTag: StoryTag
}
# database mappings
WSME_TO_SQLALCHEMY = dict(
(v, k) for k, v in six.iteritems(SQLALCHEMY_TO_WSME)
)