view sat_pubsub/const.py @ 451:0e6e176cb572

pgsql: fix items order: Due to a misinterpretation, items where returned in wrong order when RSM was used. Pubsub vanilla `max_items` is reversing the items order to get last items, but when this attribute is not used (RSM being used or not), the items must be in chronological order. This patch fixes it, so RSM returns oldest items by defaut, and empty `<before/>` must be used to get last page (and thus most recent items). Items are always finally ordered chronologically inside the returned page (default by `update` time, but this can be modified when a specific order is requested). Reference field is also fixed to use `updated` instead of `item_id` when item are ordered by `update`.
author Goffi <goffi@goffi.org>
date Sun, 06 Jun 2021 19:42:57 +0200
parents 074037832daf
children 8da3db1e82a9
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#!/usr/bin/env python3
#-*- coding: utf-8 -*-

# Copyright (c) 2012-2021 Jérôme Poisson
# Copyright (c) 2013-2016 Adrien Cossa
# Copyright (c) 2003-2011 Ralph Meijer


# This program 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.

# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
# --

# This program is based on Idavoll (http://idavoll.ik.nu/),
# originaly written by Ralph Meijer (http://ralphm.net/blog/)
# It is sublicensed under AGPL v3 (or any later version) as allowed by the original
# license.

# --

# Here is a copy of the original license:

# Copyright (c) 2003-2011 Ralph Meijer

# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:

# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


NS_CLIENT = 'jabber:client'
NS_GROUPBLOG_PREFIX = 'urn:xmpp:groupblog:'
NS_ITEM_CONFIG = "http://jabber.org/protocol/pubsub#item-config"
NS_ATOM = "http://www.w3.org/2005/Atom"
NS_FORWARD = 'urn:xmpp:forward:0'
NS_FDP = 'urn:xmpp:fdp:0'
NS_SCHEMA_RESTRICT = 'https://salut-a-toi/protocol/schema#restrict:0'

FDP_TEMPLATE_PREFIX = "fdp/template/"
FDP_SUBMITTED_PREFIX = "fdp/submitted/"

OPT_ACCESS_MODEL = 'pubsub#access_model'
OPT_ROSTER_GROUPS_ALLOWED = 'pubsub#roster_groups_allowed'
OPT_PERSIST_ITEMS = "pubsub#persist_items"
OPT_MAX_ITEMS = "pubsub#max_items"
OPT_DELIVER_PAYLOADS = "pubsub#deliver_payloads"
OPT_SEND_LAST_PUBLISHED_ITEM = "pubsub#send_last_published_item"
OPT_PUBLISH_MODEL = 'pubsub#publish_model'
OPT_OVERWRITE_POLICY = "pubsub#overwrite_policy"
OPT_CONSISTENT_PUBLISHER = 'pubsub#consistent_publisher'
OPT_SERIAL_IDS = 'pubsub#serial_ids'
OPT_FTS_LANGUAGE = 'pubsub#fts_language'
VAL_AMODEL_OPEN = 'open'
VAL_AMODEL_PRESENCE = 'presence'
VAL_AMODEL_PUBLISHER_ROSTER = 'publisher-roster'
VAL_AMODEL_WHITELIST = 'whitelist'
VAL_AMODEL_PUBLISH_ONLY = 'publish-only'
VAL_AMODEL_SELF_PUBLISHER = 'self-publisher'
VAL_AMODEL_DEFAULT = VAL_AMODEL_OPEN
VAL_AMODEL_ALL = (VAL_AMODEL_OPEN, VAL_AMODEL_PUBLISHER_ROSTER, VAL_AMODEL_WHITELIST, VAL_AMODEL_PUBLISH_ONLY, VAL_AMODEL_SELF_PUBLISHER)
VAL_PMODEL_PUBLISHERS = 'publishers'
VAL_PMODEL_SUBSCRIBERS = 'subscribers'
VAL_PMODEL_OPEN = 'open'
VAL_PMODEL_DEFAULT = VAL_PMODEL_PUBLISHERS
VAL_RSM_MAX_DEFAULT = 10 # None for no limit
VAL_FTS_GENERIC = 'generic'
VAL_OWPOL_ORIGINAL = "original_publisher"
VAL_OWPOL_ANY_PUB = "any_publisher"
VAL_OWPOL_DEFAUT = VAL_OWPOL_ORIGINAL
FLAG_ENABLE_RSM = True
FLAG_ENABLE_MAM = True
MAM_FILTER_CATEGORY = 'http://salut-a-toi.org/protocols/mam_filter_category'
MAM_FILTER_FTS = 'urn:xmpp:fulltext:0'