378 lines
11 KiB
Python
378 lines
11 KiB
Python
from flask import g
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from sqlalchemy.util import OrderedSet
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from teal.marshmallow import ValidationError
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from ereuse_devicehub.db import db
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from ereuse_devicehub.resources.action.models import (Trade, Confirm, ConfirmRevoke,
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Revoke, RevokeDocument, ConfirmDocument,
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ConfirmRevokeDocument)
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from ereuse_devicehub.resources.user.models import User
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from ereuse_devicehub.resources.lot.views import delete_from_trade
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class TradeView():
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"""Handler for manager the trade action register from post
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request_post = {
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'type': 'Trade',
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'devices': [device_id],
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'documents': [document_id],
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'userFrom': user2.email,
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'userTo': user.email,
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'price': 10,
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'date': "2020-12-01T02:00:00+00:00",
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'lot': lot['id'],
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'confirm': True,
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}
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"""
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def __init__(self, data, resource_def, schema):
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self.schema = schema
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self.data = resource_def.schema.load(data)
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self.data.pop('user_to_email', '')
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self.data.pop('user_from_email', '')
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self.create_phantom_account()
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self.trade = Trade(**self.data)
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db.session.add(self.trade)
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self.create_confirmations()
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self.create_automatic_trade()
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def post(self):
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db.session().final_flush()
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ret = self.schema.jsonify(self.trade)
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ret.status_code = 201
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db.session.commit()
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return ret
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def create_confirmations(self) -> None:
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"""Do the first confirmation for the user than do the action"""
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# if the confirmation is mandatory, do automatic confirmation only for
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# owner of the lot
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if self.trade.confirm:
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if self.trade.devices:
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confirm_devs = Confirm(user=g.user,
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action=self.trade,
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devices=self.trade.devices)
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db.session.add(confirm_devs)
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if self.trade.documents:
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confirm_docs = ConfirmDocument(user=g.user,
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action=self.trade,
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documents=self.trade.documents)
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db.session.add(confirm_docs)
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return
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# check than the user than want to do the action is one of the users
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# involved in the action
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if not g.user in [self.trade.user_from, self.trade.user_to]:
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txt = "You do not participate in this trading"
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raise ValidationError(txt)
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confirm_from = Confirm(user=self.trade.user_from,
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action=self.trade,
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devices=self.trade.devices)
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confirm_to = Confirm(user=self.trade.user_to,
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action=self.trade,
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devices=self.trade.devices)
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db.session.add(confirm_from)
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db.session.add(confirm_to)
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def create_phantom_account(self) -> None:
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"""
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If exist both users not to do nothing
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If exist from but not to:
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search if exist in the DB
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if exist use it
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else create new one
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The same if exist to but not from
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"""
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user_from = self.data.get('user_from')
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user_to = self.data.get('user_to')
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code = self.data.get('code')
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if user_from and user_to:
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return
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if self.data['confirm']:
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return
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if user_from and not user_to:
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assert g.user == user_from
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email = "{}_{}@dhub.com".format(str(user_from.id), code)
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users = User.query.filter_by(email=email)
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if users.first():
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user = users.first()
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self.data['user_to'] = user
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return
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user = User(email=email, password='', active=False, phantom=True)
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db.session.add(user)
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self.data['user_to'] = user
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if not user_from and user_to:
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email = "{}_{}@dhub.com".format(str(user_to.id), code)
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users = User.query.filter_by(email=email)
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if users.first():
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user = users.first()
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self.data['user_from'] = user
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return
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user = User(email=email, password='', active=False, phantom=True)
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db.session.add(user)
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self.data['user_from'] = user
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def create_automatic_trade(self) -> None:
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# not do nothing if it's neccesary confirmation explicity
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if self.trade.confirm:
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return
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# Change the owner for every devices
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for dev in self.trade.devices:
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dev.change_owner(self.trade.user_to)
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class ConfirmMixin():
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"""
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Very Important:
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==============
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All of this Views than inherit of this class is executed for users
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than is not owner of the Trade action.
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The owner of Trade action executed this actions of confirm and revoke from the
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lot
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"""
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Model = None
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def __init__(self, data, resource_def, schema):
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self.schema = schema
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a = resource_def.schema.load(data)
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self.validate(a)
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if not a['devices']:
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raise ValidationError('Devices not exist.')
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self.model = self.Model(**a)
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def post(self):
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db.session().final_flush()
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ret = self.schema.jsonify(self.model)
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ret.status_code = 201
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db.session.commit()
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return ret
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class ConfirmView(ConfirmMixin):
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"""Handler for manager the Confirmation register from post
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request_confirm = {
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'type': 'Confirm',
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'action': trade.id,
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'devices': [device_id]
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}
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"""
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Model = Confirm
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def validate(self, data):
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"""If there are one device than have one confirmation,
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then remove the list this device of the list of devices of this action
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"""
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real_devices = []
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for dev in data['devices']:
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ac = dev.last_action_trading
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if ac.type == Confirm.t and not ac.user == g.user:
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real_devices.append(dev)
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data['devices'] = OrderedSet(real_devices)
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# Change the owner for every devices
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for dev in data['devices']:
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user_to = data['action'].user_to
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dev.change_owner(user_to)
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class RevokeView(ConfirmMixin):
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"""Handler for manager the Revoke register from post
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request_revoke = {
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'type': 'Revoke',
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'action': trade.id,
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'devices': [device_id],
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}
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"""
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Model = Revoke
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def __init__(self, data, resource_def, schema):
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self.schema = schema
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a = resource_def.schema.load(data)
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self.validate(a)
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def validate(self, data):
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"""All devices need to have the status of DoubleConfirmation."""
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### check ###
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if not data['devices']:
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raise ValidationError('Devices not exist.')
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for dev in data['devices']:
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if not dev.trading == 'TradeConfirmed':
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txt = 'Some of devices do not have enough to confirm for to do a revoke'
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ValidationError(txt)
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### End check ###
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ids = {d.id for d in data['devices']}
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lot = data['action'].lot
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# import pdb; pdb.set_trace()
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self.model = delete_from_trade(lot, ids)
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class ConfirmRevokeView(ConfirmMixin):
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"""Handler for manager the Confirmation register from post
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request_confirm_revoke = {
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'type': 'ConfirmRevoke',
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'action': action_revoke.id,
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'devices': [device_id]
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}
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"""
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Model = ConfirmRevoke
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def validate(self, data):
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"""All devices need to have the status of revoke."""
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if not data['action'].type == 'Revoke':
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txt = 'Error: this action is not a revoke action'
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ValidationError(txt)
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for dev in data['devices']:
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if not dev.trading == 'Revoke':
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txt = 'Some of devices do not have revoke to confirm'
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ValidationError(txt)
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devices = OrderedSet(data['devices'])
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data['devices'] = devices
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# Change the owner for every devices
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# data['action'] == 'Revoke'
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trade = data['action'].action
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for dev in devices:
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dev.reset_owner()
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trade.lot.devices.difference_update(devices)
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class ConfirmDocumentMixin():
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"""
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Very Important:
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==============
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All of this Views than inherit of this class is executed for users
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than is not owner of the Trade action.
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The owner of Trade action executed this actions of confirm and revoke from the
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lot
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"""
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Model = None
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def __init__(self, data, resource_def, schema):
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# import pdb; pdb.set_trace()
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self.schema = schema
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a = resource_def.schema.load(data)
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self.validate(a)
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if not a['documents']:
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raise ValidationError('Documents not exist.')
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self.model = self.Model(**a)
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def post(self):
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db.session().final_flush()
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ret = self.schema.jsonify(self.model)
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ret.status_code = 201
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db.session.commit()
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return ret
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class ConfirmDocumentView(ConfirmDocumentMixin):
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"""Handler for manager the Confirmation register from post
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request_confirm = {
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'type': 'Confirm',
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'action': trade.id,
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'documents': [document_id],
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}
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"""
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Model = ConfirmDocument
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def validate(self, data):
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"""If there are one device than have one confirmation,
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then remove the list this device of the list of devices of this action
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"""
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for doc in data['documents']:
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ac = doc.trading
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if not doc.trading in ['Confirm', 'Need Confirmation']:
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txt = 'Some of documents do not have enough to confirm for to do a Doble Confirmation'
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ValidationError(txt)
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### End check ###
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class RevokeDocumentView(ConfirmDocumentMixin):
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"""Handler for manager the Revoke register from post
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request_revoke = {
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'type': 'Revoke',
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'action': trade.id,
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'documents': [document_id],
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}
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"""
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Model = RevokeDocument
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def validate(self, data):
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"""All devices need to have the status of DoubleConfirmation."""
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### check ###
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if not data['documents']:
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raise ValidationError('Documents not exist.')
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for doc in data['documents']:
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if not doc.trading in ['Document Confirmed', 'Confirm']:
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txt = 'Some of documents do not have enough to confirm for to do a revoke'
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ValidationError(txt)
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### End check ###
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class ConfirmRevokeDocumentView(ConfirmDocumentMixin):
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"""Handler for manager the Confirmation register from post
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request_confirm_revoke = {
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'type': 'ConfirmRevoke',
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'action': action_revoke.id,
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'documents': [document_id],
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}
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"""
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Model = ConfirmRevokeDocument
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def validate(self, data):
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"""All devices need to have the status of revoke."""
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if not data['action'].type == 'RevokeDocument':
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txt = 'Error: this action is not a revoke action'
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ValidationError(txt)
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for doc in data['documents']:
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if not doc.trading == 'Revoke':
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txt = 'Some of documents do not have revoke to confirm'
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ValidationError(txt)
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