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#
# Copyright (c) 2014 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
from pixelated.adapter.pixelated_mail import PixelatedMail
def get_soledad_querier_instance(cls, soledad=None):
if not cls.instance:
if not soledad:
raise Exception("Need a soledad for the first time you call this")
cls.instance = SoledadQuerier(soledad)
return cls.instance
class SoledadQuerier:
instance = None
def __init__(self, soledad):
self.soledad = soledad
@classmethod
def get_instance(cls, soledad=None):
return get_soledad_querier_instance(cls, soledad)
@classmethod
def reset(cls):
cls.instance = None
def all_mails(self):
fdocs_chash = [(fdoc, fdoc.content['chash']) for fdoc in self.soledad.get_from_index('by-type', 'flags')]
if len(fdocs_chash) == 0:
return []
return self._build_mails_from_fdocs(fdocs_chash)
def all_mails_by_mailbox(self, mailbox_name):
fdocs_chash = [(fdoc, fdoc.content['chash']) for fdoc in self.soledad.get_from_index('by-type-and-mbox', 'flags', mailbox_name)]
return self._build_mails_from_fdocs(fdocs_chash)
def _build_mails_from_fdocs(self, fdocs_chash):
if len(fdocs_chash) == 0:
return []
fdocs_hdocs = [(f[0], self.soledad.get_from_index('by-type-and-contenthash', 'head', f[1])[0]) for f in fdocs_chash]
fdocs_hdocs_phash = [(f[0], f[1], f[1].content.get('body')) for f in fdocs_hdocs]
fdocs_hdocs_bdocs = [(f[0], f[1], self.soledad.get_from_index('by-type-and-payloadhash', 'cnt', f[2])[0]) for f in fdocs_hdocs_phash]
return [PixelatedMail.from_soledad(*raw_mail, soledad_querier=self) for raw_mail in fdocs_hdocs_bdocs]
def save_mail(self, mail):
# XXX update only what has to be updated
self.soledad.put_doc(mail.fdoc)
self.soledad.put_doc(mail.hdoc)
self._update_index([mail.fdoc, mail.hdoc])
def create_mail(self, mail, mailbox_name):
uid = self._next_uid_for_mailbox(mailbox_name)
new_docs = [self.soledad.create_doc(doc) for doc in mail._get_for_save(next_uid=uid, mailbox=mailbox_name)]
self._update_index(new_docs)
return self.mail(mail.ident)
def mail(self, ident):
fdoc = self.soledad.get_from_index('by-type-and-contenthash', 'flags', ident)[0]
hdoc = self.soledad.get_from_index('by-type-and-contenthash', 'head', ident)[0]
bdoc = self.soledad.get_from_index('by-type-and-payloadhash', 'cnt', hdoc.content['body'])[0]
return PixelatedMail.from_soledad(fdoc, hdoc, bdoc, soledad_querier=self)
def mails(self, idents):
fdocs_chash = [(self.soledad.get_from_index('by-type-and-contenthash', 'flags', ident), ident) for ident in idents]
fdocs_chash = [(result[0], ident) for result, ident in fdocs_chash if result]
return self._build_mails_from_fdocs(fdocs_chash)
def remove_mail(self, mail):
_mail = self.mail(mail.ident)
# FIX-ME: Must go through all the part_map phash to delete all the cdocs
self.soledad.delete_doc(_mail.bdoc)
self.soledad.delete_doc(_mail.hdoc)
self.soledad.delete_doc(_mail.fdoc)
def idents_by_mailbox(self, mailbox_name):
return set(doc.content['chash'] for doc in self.soledad.get_from_index('by-type-and-mbox-and-deleted', 'flags', mailbox_name, '0'))
def _next_uid_for_mailbox(self, mailbox_name):
mails = self.all_mails_by_mailbox(mailbox_name)
mails.sort(key=lambda x: x.uid, reverse=True)
if len(mails) == 0:
return 1
return mails[0].uid + 1
def _update_index(self, docs):
db = self.soledad._db
indexed_fields = db._get_indexed_fields()
if indexed_fields:
# It is expected that len(indexed_fields) is shorter than
# len(raw_doc)
getters = [(field, db._parse_index_definition(field))
for field in indexed_fields]
for doc in docs:
db._update_indexes(doc.doc_id, doc.content, getters, db._db_handle)
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