libervia-backend/src/tools/common/data_objects.py

#!/usr/bin/env python2
# -*- coding: utf-8 -*-

# SAT: a jabber client
# Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)

# 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/>.

"""Objects handling bridge data, with jinja2 safe markup handling"""

from sat.tools.common import data_format
try:
    from jinja2 import Markup as safe
except ImportError:
    safe = unicode


class BlogItem(object):

    def __init__(self, mb_data):
        self.mb_data = mb_data
        self._tags = None
        self._groups = None
        self._comments = None
        self._comments_items_list = None

    @property
    def id(self):
        return self.mb_data.get(u'id')

    @property
    def atom_id(self):
        return self.mb_data.get(u'atom_id')

    @property
    def published(self):
        return self.mb_data.get(u'published')

    @property
    def updated(self):
        return self.mb_data.get(u'updated')

    @property
    def language(self):
        return self.mb_data.get(u'language')

    @property
    def author(self):
        return self.mb_data.get(u'author')

    @property
    def author_jid(self):
        return self.mb_data.get(u'author_jid')

    @property
    def author_jid_verified(self):
        return self.mb_data.get(u'author_jid_verified')

    @property
    def author_email(self):
        return self.mb_data.get(u'author_email')

    @property
    def tags(self):
        if self._tags is None:
            self._tags = data_format.dict2iter('tag', self.mb_data)
        return self._tags

    @property
    def groups(self):
        if self._groups is None:
            self._groups = data_format.dict2iter('group', self.mb_data)
        return self._groups

    @property
    def title(self):
        return self.mb_data.get(u'title')

    @property
    def title_xhtml(self):
        try:
            return safe(self.mb_data[u'title_xhtml'])
        except KeyError:
            return None

    @property
    def content(self):
        return self.mb_data.get(u'content')

    @property
    def content_xhtml(self):
        try:
            return safe(self.mb_data[u'content_xhtml'])
        except KeyError:
            return None

    @property
    def comments(self):
        if self._comments is None:
            self._comments = data_format.dict2iterdict(u'comments', self.mb_data, (u'node', u'service'))
        return self._comments

    @property
    def comments_service(self):
        return self.mb_data.get(u'comments_service')

    @property
    def comments_node(self):
        return self.mb_data.get(u'comments_node')

    @property
    def comments_items_list(self):
        return [] if self._comments_items_list is None else self._comments_items_list

    def appendCommentsItems(self, items):
        """append comments items to self.comments_items"""
        if self._comments_items_list is None:
            self._comments_items_list = []
        self._comments_items_list.append(items)


class BlogItems(object):

    def __init__(self, mb_data):
        self.mb_data = mb_data
        self.items = [BlogItem(i) for i in mb_data[0]]
        self.metadata = mb_data[1]

    @property
    def service(self):
        return self.metadata[u'service']

    @property
    def node(self):
        return self.metadata[u'node']

    @property
    def uri(self):
        return self.metadata[u'uri']

    def __len__(self):
        return self.items.__len__()

    def __missing__(self, key):
        return self.items.__missing__(key)

    def __getitem__(self, key):
        return self.items.__getitem__(key)

    def __iter__(self):
        return self.items.__iter__()

    def __reversed__(self):
        return self.items.__reversed__()

    def __contains__(self, item):
        return self.items.__contains__(item)


class Identity(object):

    def __init__(self, jid_str, data=None):
        self.jid_str = jid_str
        self.data = data if data is not None else {}

    @property
    def nick(self):
        return self.data.get(u'nick')


class Identities(object):

    def __init__(self):
        self.identities = {}

    def __getitem__(self, jid_str):
        try:
            return self.identities[jid_str]
        except KeyError:
            return None

    def __setitem__(self, jid_str, data):
        self.identities[jid_str] = Identity(jid_str, data)

    def __contains__(self, jid_str):
        return jid_str in self.identities


class OnClick(object):
    """Class to handle clickable elements targets"""

    def __init__(self, url=None):
        self.url = url

    def formatUrl(self, item):
        """Use an item to format URL

        item will be formatted using "item=item" in format()
        """
        return self.url.format(item=item)