How to use the ming.orm.declarative.MappedClass function in Ming

from allura.lib import helpers as h
from allura.lib import security
from allura.lib.utils import take_while_true
import allura.tasks.mail_tasks

from .session import main_orm_session
from .auth import User, AlluraUserProperty


log = logging.getLogger(__name__)

MAILBOX_QUIESCENT = None  # Re-enable with [#1384]: timedelta(minutes=10)


class Notification(MappedClass):

    '''
    Temporarily store notifications that will be emailed or displayed as a web flash.
    This does not contain any recipient information.
    '''

    class __mongometa__:
        session = main_orm_session
        name = 'notification'
        indexes = ['project_id']

    _id = FieldProperty(str, if_missing=h.gen_message_id)

    # Classify notifications
    neighborhood_id = ForeignIdProperty(
        'Neighborhood', if_missing=lambda: c.project.neighborhood._id)

def rss_attributes(self):
        attrs = super(RssFeed, self).rss_attributes()
        attrs['xmlns:atom'] = 'http://www.w3.org/2005/Atom'
        return attrs

    def add_root_elements(self, handler):
        super(RssFeed, self).add_root_elements(handler)
        if self.feed['feed_url'] is not None:
            handler.addQuickElement('atom:link', '', {
                'rel': 'self',
                'href': self.feed['feed_url'],
                'type': 'application/rss+xml',
            })


class Feed(MappedClass):

    """
    Used to generate rss/atom feeds.  This does not need to be extended;
    all feed items go into the same collection
    """
    class __mongometa__:
        session = project_orm_session
        name = 'artifact_feed'
        indexes = [
            'pubdate',
            ('artifact_ref.project_id', 'artifact_ref.mount_point'),
            (('ref_id', pymongo.ASCENDING),
             ('pubdate', pymongo.DESCENDING)),
            (('project_id', pymongo.ASCENDING),
             ('app_config_id', pymongo.ASCENDING),
             ('pubdate', pymongo.DESCENDING)),

return cls.log(message, *args, **kwargs)

    @classmethod
    def comment_user(cls, by, message, *args, **kwargs):
        message = u'Comment by %s: %s' % (by.username, message)
        return cls.log_user(message, *args, **kwargs)


main_orm_session.mapper(AuditLog, audit_log, properties=dict(
    project_id=ForeignIdProperty('Project'),
    project=RelationProperty('Project'),
    user_id=AlluraUserProperty(),
    user=RelationProperty('User')))


class UserLoginDetails(MappedClass):
    """
    Store unique entries for users' previous login details.

    Used to help determine if new logins are suspicious or not
    """

    class __mongometa__:
        name = 'user_login_details'
        session = main_explicitflush_orm_session
        indexes = ['user_id']
        unique_indexes = [('user_id', 'ip', 'ua'),  # DuplicateKeyError checked in add_login_detail
                          ]

    _id = FieldProperty(S.ObjectId)
    user_id = AlluraUserProperty(required=True)
    ip = FieldProperty(str)

from .auth import ProjectRole
from .types import ACL, ACE

from filesystem import File

log = logging.getLogger(__name__)

class ProjectFile(File):
    class __mongometa__:
        session = main_orm_session

    project_id=FieldProperty(S.ObjectId)
    category=FieldProperty(str)
    caption=FieldProperty(str)

class ProjectCategory(MappedClass):
    class __mongometa__:
        session = main_orm_session
        name='project_category'

    _id=FieldProperty(S.ObjectId)
    parent_id = FieldProperty(S.ObjectId, if_missing=None)
    name=FieldProperty(str)
    label=FieldProperty(str, if_missing='')
    description=FieldProperty(str, if_missing='')

    @property
    def parent_category(self):
        return self.query.get(_id=self.parent_id)

    @property
    def subcategories(self):

session = main_orm_session
        unique_indexes = [ 'user_id' ]

    _id = FieldProperty(S.ObjectId)
    user_id = ForeignIdProperty('User')
    api_key = FieldProperty(str, if_missing=lambda:h.nonce(20))
    secret_key = FieldProperty(str, if_missing=h.cryptographic_nonce)

    user = RelationProperty('User')

    @classmethod
    def get(cls, api_key):
        return cls.query.get(api_key=api_key)


class ApiTicket(MappedClass, ApiAuthMixIn):
    class __mongometa__:
        name='api_ticket'
        session = main_orm_session
    PREFIX = 'tck'

    _id = FieldProperty(S.ObjectId)
    user_id = ForeignIdProperty('User')
    api_key = FieldProperty(str, if_missing=lambda: ApiTicket.PREFIX + h.nonce(20))
    secret_key = FieldProperty(str, if_missing=h.cryptographic_nonce)
    expires = FieldProperty(datetime, if_missing=None)
    capabilities = FieldProperty({str:None})
    mod_date = FieldProperty(datetime, if_missing=datetime.utcnow)

    user = RelationProperty('User')

    @classmethod

text.append('Subject: %s' % (n.subject or '(no subject)'))
            text.append('Message-ID: %s' % n._id)
            text.append('')
            text.append(h.text.truncate(n.text or '-no text-', 128))
        text.append(n.footer())
        text = '\n'.join(text)
        allura.tasks.mail_tasks.sendmail.post(
            destinations=[str(user_id)],
            fromaddr=from_address,
            reply_to=from_address,
            subject=subject,
            message_id=h.gen_message_id(),
            text=text)


class Mailbox(MappedClass):

    '''
    Holds a queue of notifications for an artifact, or a user (webflash messages)
    for a subscriber.
    FIXME: describe the Mailbox concept better.
    '''

    class __mongometa__:
        session = main_orm_session
        name = 'mailbox'
        unique_indexes = [
            ('user_id', 'project_id', 'app_config_id',
             'artifact_index_id', 'topic', 'is_flash'),
        ]
        indexes = [
            ('project_id', 'artifact_index_id'),

from datetime import datetime
from tg import config
from paste.deploy.converters import asbool

from ming import schema as S
from ming.orm import Mapper
from ming.orm import FieldProperty
from ming.orm.declarative import MappedClass
from datetime import timedelta
import difflib

from allura.model.session import main_orm_session


class Stats(MappedClass):

    class __mongometa__:
        name = 'basestats'
        session = main_orm_session
        unique_indexes = ['_id']

    _id = FieldProperty(S.ObjectId)

    visible = FieldProperty(bool, if_missing=True)
    registration_date = FieldProperty(datetime)
    general = FieldProperty([dict(
        category=S.ObjectId,
        messages=[dict(
            messagetype=str,
            created=int,
            modified=int)],

result.extend(child.children)
        result.sort(key=lambda x:x.fullpath)
        return result

    @property
    def type(self):
        trove = self
        while trove.trove_parent_id != 0:
            trove = trove.parent_category
        return trove.shortname

class ProjectMapperExtension(MapperExtension):
    def after_insert(self, obj, st, sess):
        g.zarkov_event('project_create', project=obj)

class Project(MappedClass):
    _perms_base = [ 'read', 'update', 'admin', 'create']
    _perms_init = _perms_base + [ 'register' ]
    class __mongometa__:
        session = main_orm_session
        name='project'
        indexes = [
            'name',
            'neighborhood_id',
            ('neighborhood_id', 'name'),
            'shortname',
            'parent_id',
            ('deleted', 'shortname', 'neighborhood_id')]
        extensions = [ ProjectMapperExtension ]

    # Project schema
    _id=FieldProperty(S.ObjectId)

session(self).flush(self)
            # Setup apps
            for i, (ep_name, mount_point, label) in enumerate(apps):
                self.install_app(ep_name, mount_point, label, ordinal=i)
            self.database_configured = True
            self.notifications_disabled = False
            ThreadLocalORMSession.flush_all()

    def add_user(self, user, role_names):
        'Convenience method to add member with the given role(s).'
        pr = user.project_role(self)
        for role_name in role_names:
            r = ProjectRole.by_name(role_name, self)
            pr.roles.append(r._id)

class AppConfig(MappedClass):
    """
    Configuration information for an instantiated :class:`Application `
    in a project

    :var options: an object on which various options are stored.  options.mount_point is the url component for this app instance
    :var acl: a dict that maps permissions (strings) to lists of roles that have the permission
    """

    class __mongometa__:
        session = project_orm_session
        name='config'
        indexes = [
            'project_id',
            'options.import_id',
            ('options.mount_point', 'project_id')]

def delete(self):
        # Cascade to subprojects
        for sp in self.direct_subprojects:
            sp.delete()
        # Cascade to app configs
        for ac in self.app_configs:
            self.uninstall_app(ac.options.get('mount_point'))
        MappedClass.delete(self)