openmedialibrary/oml/node/nodeapi.py

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# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
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import settings
from changelog import Changelog
from user.models import User
import state
from websocket import trigger_event
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import logging
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logger = logging.getLogger('oml.node.nodeapi')
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def api_pullChanges(app, remote_id, user_id=None, from_=None, to=None):
if user_id and not from_ and not to:
from_ = user_id
user_id = None
if user_id and from_ and not to:
if isinstance(user_id, int):
to = from_
from_ = user_id
user_id = None
from_ = from_ or 0
if user_id:
return []
if not user_id:
user_id = settings.USER_ID
qs = Changelog.query.filter_by(user_id=user_id)
if from_:
qs = qs.filter(Changelog.revision>=from_)
if to:
qs = qs.filter(Changelog.revision<to)
state.nodes.queue('add', remote_id)
return [c.json() for c in qs]
def api_pushChanges(app, user_id, changes):
user = User.get(user_id)
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if not Changelog.apply_changes(user, changes):
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logger.debug('FAILED TO APPLY CHANGE')
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state.nodes.queue(user_id, 'pullChanges')
return False
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return True
def api_requestPeering(app, user_id, username, message):
user = User.get_or_create(user_id)
if not user.info:
user.info = {}
if not user.peered:
if user.pending == 'sent':
user.info['message'] = message
user.update_peering(True, username)
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user.update_name()
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else:
user.pending = 'received'
user.info['username'] = username
user.info['message'] = message
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user.update_name()
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user.save()
trigger_event('peering.request', user.json())
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return True
return False
def api_acceptPeering(app, user_id, username, message):
user = User.get(user_id)
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logger.debug('incoming acceptPeering event: pending: %s', user.pending)
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if user and user.peered:
return True
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if user and user.pending == 'sent':
if not user.info:
user.info = {}
user.info['username'] = username
user.info['message'] = message
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user.update_name()
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user.update_peering(True, username)
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state.nodes.queue('add', user.id)
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return True
return False
def api_rejectPeering(app, user_id, message):
user = User.get(user_id)
if user:
if not user.info:
user.info = {}
user.info['message'] = message
user.update_peering(False)
trigger_event('peering.reject', user.json())
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return True
return False
def api_removePeering(app, user_id, message):
user = User.get(user_id)
if user:
user.info['message'] = message
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user.update_peering(False)
trigger_event('peering.remove', user.json())
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return True
return False
def api_cancelPeering(app, user_id, message):
user = User.get(user_id)
if user:
user.info['message'] = message
user.update_peering(False)
trigger_event('peering.cancel', user.json())
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return True
return False