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devicehub-teal/ereuse_devicehub/inventory/forms.py

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from flask_wtf import FlaskForm
from wtforms import StringField, validators
from flask_login import current_user
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from flask import g
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from ereuse_devicehub.db import db
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from ereuse_devicehub.resources.device.models import Device
from ereuse_devicehub.resources.lot.models import Lot
class LotDeviceAddForm(FlaskForm):
lot = StringField(u'Lot', [validators.UUID()])
devices = StringField(u'Devices', [validators.length(min=1)])
def validate(self, extra_validators=None):
is_valid = super().validate(extra_validators)
if not is_valid:
return False
self.lot = Lot.query.filter(Lot.id == self.lot.data).filter(
Lot.owner_id == current_user.id).one()
devices = set(self.devices.data.split(","))
self.devices = set(Device.query.filter(Device.id.in_(devices)).filter(
Device.owner_id == current_user.id).all())
if not self.devices:
return False
return True
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def save(self):
self.lot.devices.update(self.devices)
g.user = current_user
db.session.add(self.lot)
db.session.commit()
class LotForm(FlaskForm):
name = StringField(u'Name', [validators.length(min=1)])
def __init__(self, *args, **kwargs):
id = kwargs.pop('id', None)
self.lot = None
if id:
self.lot = Lot.query.filter(Lot.id == id).filter(
Lot.owner_id == current_user.id).one()
super().__init__(*args, **kwargs)
if self.lot and not self.name.data:
self.name.data = self.lot.name
def save(self):
name = self.name.data.strip()
if self.lot:
if self.lot.name == name:
return
self.lot.name = name
else:
self.lot = Lot(name=name)
g.user = current_user
db.session.add(self.lot)
db.session.commit()