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devicehub-teal/ereuse_devicehub/inventory/forms.py

1121 lines
36 KiB
Python

import copy
import datetime
import json
from json.decoder import JSONDecodeError
from boltons.urlutils import URL
from flask import g, request
from flask_wtf import FlaskForm
from sqlalchemy import or_
from sqlalchemy.util import OrderedSet
from wtforms import (
BooleanField,
DateField,
FileField,
FloatField,
Form,
HiddenField,
IntegerField,
MultipleFileField,
SelectField,
StringField,
TextAreaField,
URLField,
validators,
)
from wtforms.fields import FormField
from ereuse_devicehub.db import db
from ereuse_devicehub.resources.action.models import RateComputer, Snapshot, Trade
from ereuse_devicehub.resources.action.rate.v1_0 import CannotRate
from ereuse_devicehub.resources.action.schemas import Snapshot as SnapshotSchema
from ereuse_devicehub.resources.action.views.snapshot import move_json, save_json
from ereuse_devicehub.resources.device.models import (
SAI,
Cellphone,
Computer,
ComputerMonitor,
Device,
Keyboard,
MemoryCardReader,
Mouse,
Smartphone,
Tablet,
)
from ereuse_devicehub.resources.device.sync import Sync
from ereuse_devicehub.resources.documents.models import DataWipeDocument
from ereuse_devicehub.resources.enums import Severity, SnapshotSoftware
from ereuse_devicehub.resources.hash_reports import insert_hash
from ereuse_devicehub.resources.lot.models import Lot
from ereuse_devicehub.resources.tag.model import Tag
from ereuse_devicehub.resources.tradedocument.models import TradeDocument
from ereuse_devicehub.resources.user.exceptions import InsufficientPermission
from ereuse_devicehub.resources.user.models import User
DEVICES = {
"All": ["All Devices"],
"Computer": [
"All Computers",
"Desktop",
"Laptop",
"Server",
],
"Monitor": [
"All Monitors",
"ComputerMonitor",
"Monitor",
"TelevisionSet",
"Projector",
],
"Mobile, tablet & smartphone": [
"All Mobile",
"Mobile",
"Tablet",
"Smartphone",
"Cellphone",
],
}
COMPUTERS = ['Desktop', 'Laptop', 'Server']
MONITORS = ["ComputerMonitor", "Monitor", "TelevisionSet", "Projector"]
MOBILE = ["Mobile", "Tablet", "Smartphone", "Cellphone"]
class AdvancedSearchForm(FlaskForm):
q = StringField('Search', [validators.length(min=1)])
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
dhids = [x.strip() for x in self.q.data.split(' ')]
if ',' in self.q.data:
dhids = [x.strip() for x in self.q.data.split(',')]
if ';' in self.q.data:
dhids = [x.strip() for x in self.q.data.split(';')]
self.devices = []
if dhids:
self.search(dhids)
def search(self, dhids):
self.devices = Device.query.filter(Device.devicehub_id.in_(dhids))
class FilterForm(FlaskForm):
filter = SelectField(
'', choices=DEVICES, default="All Computers", render_kw={'class': "form-select"}
)
def __init__(self, lots, lot_id, *args, **kwargs):
super().__init__(*args, **kwargs)
self.lots = lots
self.lot_id = lot_id
self.only_unassigned = kwargs.pop('only_unassigned', True)
self._get_types()
def _get_types(self):
types_of_devices = [item for sublist in DEVICES.values() for item in sublist]
dev = request.args.get('filter')
self.device_type = dev if dev in types_of_devices else None
if self.device_type:
self.filter.data = self.device_type
def filter_from_lots(self):
if self.lot_id:
self.lot = self.lots.filter(Lot.id == self.lot_id).one()
device_ids = (d.id for d in self.lot.devices)
self.devices = Device.query.filter(Device.id.in_(device_ids))
else:
self.devices = Device.query.filter(Device.owner_id == g.user.id)
if self.only_unassigned:
self.devices = self.devices.filter_by(lots=None)
def search(self):
self.filter_from_lots()
filter_type = None
if self.device_type:
filter_type = [self.device_type]
else:
# Case without Filter
filter_type = COMPUTERS
# Generic Filters
if "All Devices" == self.device_type:
filter_type = COMPUTERS + MONITORS + MOBILE
elif "All Computers" == self.device_type:
filter_type = COMPUTERS
elif "All Monitors" == self.device_type:
filter_type = MONITORS
elif "All Mobile" == self.device_type:
filter_type = MOBILE
if filter_type:
self.devices = self.devices.filter(Device.type.in_(filter_type))
return self.devices.order_by(Device.updated.desc())
class LotForm(FlaskForm):
name = StringField('Name', [validators.length(min=1)])
def __init__(self, *args, **kwargs):
self.id = kwargs.pop('id', None)
self.instance = None
if self.id:
self.instance = (
Lot.query.filter(Lot.id == self.id)
.filter(Lot.owner_id == g.user.id)
.one()
)
super().__init__(*args, **kwargs)
if self.instance and not self.name.data:
self.name.data = self.instance.name
def save(self):
if not self.id:
self.instance = Lot(name=self.name.data)
self.populate_obj(self.instance)
if not self.id:
self.id = self.instance.id
db.session.add(self.instance)
db.session.commit()
return self.id
db.session.commit()
return self.id
def remove(self):
if self.instance and not self.instance.trade:
self.instance.delete()
db.session.commit()
return self.instance
class UploadSnapshotForm(FlaskForm):
snapshot = MultipleFileField('Select a Snapshot File', [validators.DataRequired()])
def validate(self, extra_validators=None):
is_valid = super().validate(extra_validators)
if not is_valid:
return False
data = request.files.getlist(self.snapshot.name)
if not data:
return False
self.snapshots = []
self.result = {}
for d in data:
filename = d.filename
self.result[filename] = 'Not processed'
d = d.stream.read()
if not d:
self.result[filename] = 'Error this snapshot is empty'
continue
try:
d_json = json.loads(d)
except JSONDecodeError:
self.result[filename] = 'Error this snapshot is not a json'
continue
uuid_snapshot = d_json.get('uuid')
if Snapshot.query.filter(Snapshot.uuid == uuid_snapshot).all():
self.result[filename] = 'Error this snapshot exist'
continue
self.snapshots.append((filename, d_json))
if not self.snapshots:
return False
return True
def save(self, commit=True):
if any([x == 'Error' for x in self.result.values()]):
return
# result = []
self.sync = Sync()
schema = SnapshotSchema()
# self.tmp_snapshots = app.config['TMP_SNAPSHOTS']
# TODO @cayop get correct var config
self.tmp_snapshots = '/tmp/'
for filename, snapshot_json in self.snapshots:
path_snapshot = save_json(snapshot_json, self.tmp_snapshots, g.user.email)
snapshot_json.pop('debug', None)
snapshot_json = schema.load(snapshot_json)
response = self.build(snapshot_json)
if hasattr(response, 'type'):
self.result[filename] = 'Ok'
else:
self.result[filename] = 'Error'
move_json(self.tmp_snapshots, path_snapshot, g.user.email)
if commit:
db.session.commit()
return response
def build(self, snapshot_json): # noqa: C901
# this is a copy adaptated from ereuse_devicehub.resources.action.views.snapshot
device = snapshot_json.pop('device') # type: Computer
components = None
if snapshot_json['software'] == (
SnapshotSoftware.Workbench or SnapshotSoftware.WorkbenchAndroid
):
components = snapshot_json.pop('components', None)
if isinstance(device, Computer) and device.hid:
device.add_mac_to_hid(components_snap=components)
snapshot = Snapshot(**snapshot_json)
# Remove new actions from devices so they don't interfere with sync
actions_device = set(e for e in device.actions_one)
device.actions_one.clear()
if components:
actions_components = tuple(
set(e for e in c.actions_one) for c in components
)
for component in components:
component.actions_one.clear()
assert not device.actions_one
assert all(not c.actions_one for c in components) if components else True
db_device, remove_actions = self.sync.run(device, components)
del device # Do not use device anymore
snapshot.device = db_device
snapshot.actions |= remove_actions | actions_device # Set actions to snapshot
# commit will change the order of the components by what
# the DB wants. Let's get a copy of the list so we preserve order
ordered_components = OrderedSet(x for x in snapshot.components)
# Add the new actions to the db-existing devices and components
db_device.actions_one |= actions_device
if components:
for component, actions in zip(ordered_components, actions_components):
component.actions_one |= actions
snapshot.actions |= actions
if snapshot.software == SnapshotSoftware.Workbench:
# Check ownership of (non-component) device to from current.user
if db_device.owner_id != g.user.id:
raise InsufficientPermission()
# Compute ratings
try:
rate_computer, price = RateComputer.compute(db_device)
except CannotRate:
pass
else:
snapshot.actions.add(rate_computer)
if price:
snapshot.actions.add(price)
elif snapshot.software == SnapshotSoftware.WorkbenchAndroid:
pass # TODO try except to compute RateMobile
# Check if HID is null and add Severity:Warning to Snapshot
if snapshot.device.hid is None:
snapshot.severity = Severity.Warning
db.session.add(snapshot)
return snapshot
class NewDeviceForm(FlaskForm):
type = StringField('Type', [validators.DataRequired()])
label = StringField('Label')
serial_number = StringField('Seria Number', [validators.DataRequired()])
model = StringField('Model', [validators.DataRequired()])
manufacturer = StringField('Manufacturer', [validators.DataRequired()])
appearance = StringField('Appearance', [validators.Optional()])
functionality = StringField('Functionality', [validators.Optional()])
brand = StringField('Brand')
generation = IntegerField('Generation')
version = StringField('Version')
weight = FloatField('Weight', [validators.DataRequired()])
width = FloatField('Width', [validators.DataRequired()])
height = FloatField('Height', [validators.DataRequired()])
depth = FloatField('Depth', [validators.DataRequired()])
variant = StringField('Variant', [validators.Optional()])
sku = StringField('SKU', [validators.Optional()])
image = StringField('Image', [validators.Optional(), validators.URL()])
imei = IntegerField('IMEI', [validators.Optional()])
meid = StringField('MEID', [validators.Optional()])
resolution = IntegerField('Resolution width', [validators.Optional()])
screen = FloatField('Screen size', [validators.Optional()])
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.devices = {
"Smartphone": Smartphone,
"Tablet": Tablet,
"Cellphone": Cellphone,
"ComputerMonitor": ComputerMonitor,
"Mouse": Mouse,
"Keyboard": Keyboard,
"SAI": SAI,
"MemoryCardReader": MemoryCardReader,
}
if not self.generation.data:
self.generation.data = 1
if not self.weight.data:
self.weight.data = 0.1
if not self.height.data:
self.height.data = 0.1
if not self.width.data:
self.width.data = 0.1
if not self.depth.data:
self.depth.data = 0.1
def validate(self, extra_validators=None): # noqa: C901
error = ["Not a correct value"]
is_valid = super().validate(extra_validators)
if self.generation.data < 1:
self.generation.errors = error
is_valid = False
if self.weight.data < 0.1:
self.weight.errors = error
is_valid = False
if self.height.data < 0.1:
self.height.errors = error
is_valid = False
if self.width.data < 0.1:
self.width.errors = error
is_valid = False
if self.depth.data < 0.1:
self.depth.errors = error
is_valid = False
if self.imei.data:
if not 13 < len(str(self.imei.data)) < 17:
self.imei.errors = error
is_valid = False
if self.meid.data:
meid = self.meid.data
if not 13 < len(meid) < 17:
is_valid = False
try:
int(meid, 16)
except ValueError:
self.meid.errors = error
is_valid = False
if not is_valid:
return False
if self.image.data == '':
self.image.data = None
if self.manufacturer.data:
self.manufacturer.data = self.manufacturer.data.lower()
if self.model.data:
self.model.data = self.model.data.lower()
if self.serial_number.data:
self.serial_number.data = self.serial_number.data.lower()
return True
def save(self, commit=True):
json_snapshot = {
'type': 'Snapshot',
'software': 'Web',
'version': '11.0',
'device': {
'type': self.type.data,
'model': self.model.data,
'manufacturer': self.manufacturer.data,
'serialNumber': self.serial_number.data,
'brand': self.brand.data,
'version': self.version.data,
'generation': self.generation.data,
'sku': self.sku.data,
'weight': self.weight.data,
'width': self.width.data,
'height': self.height.data,
'depth': self.depth.data,
'variant': self.variant.data,
'image': self.image.data,
},
}
if self.appearance.data or self.functionality.data:
json_snapshot['device']['actions'] = [
{
'type': 'VisualTest',
'appearanceRange': self.appearance.data,
'functionalityRange': self.functionality.data,
}
]
upload_form = UploadSnapshotForm()
upload_form.sync = Sync()
schema = SnapshotSchema()
self.tmp_snapshots = '/tmp/'
path_snapshot = save_json(json_snapshot, self.tmp_snapshots, g.user.email)
snapshot_json = schema.load(json_snapshot)
if self.type.data == 'ComputerMonitor':
snapshot_json['device'].resolution_width = self.resolution.data
snapshot_json['device'].size = self.screen.data
if self.type.data in ['Smartphone', 'Tablet', 'Cellphone']:
snapshot_json['device'].imei = self.imei.data
snapshot_json['device'].meid = self.meid.data
snapshot = upload_form.build(snapshot_json)
move_json(self.tmp_snapshots, path_snapshot, g.user.email)
if self.type.data == 'ComputerMonitor':
snapshot.device.resolution = self.resolution.data
snapshot.device.screen = self.screen.data
if commit:
db.session.commit()
return snapshot
class TagDeviceForm(FlaskForm):
tag = SelectField('Tag', choices=[])
device = StringField('Device', [validators.Optional()])
def __init__(self, *args, **kwargs):
self.delete = kwargs.pop('delete', None)
self.device_id = kwargs.pop('device', None)
super().__init__(*args, **kwargs)
if self.delete:
tags = (
Tag.query.filter(Tag.owner_id == g.user.id)
.filter_by(device_id=self.device_id)
.order_by(Tag.id)
)
else:
tags = (
Tag.query.filter(Tag.owner_id == g.user.id)
.filter_by(device_id=None)
.order_by(Tag.id)
)
self.tag.choices = [(tag.id, tag.id) for tag in tags]
def validate(self, extra_validators=None):
is_valid = super().validate(extra_validators)
if not is_valid:
return False
self._tag = (
Tag.query.filter(Tag.id == self.tag.data)
.filter(Tag.owner_id == g.user.id)
.one()
)
if not self.delete and self._tag.device_id:
self.tag.errors = [("This tag is actualy in use.")]
return False
if self.device.data:
try:
self.device.data = int(self.device.data.split(',')[-1])
except: # noqa: E722
self.device.data = None
if self.device_id or self.device.data:
self.device_id = self.device_id or self.device.data
self._device = (
Device.query.filter(Device.id == self.device_id)
.filter(Device.owner_id == g.user.id)
.one()
)
return True
def save(self):
self._tag.device_id = self._device.id
db.session.add(self._tag)
db.session.commit()
def remove(self):
self._tag.device = None
db.session.add(self._tag)
db.session.commit()
class ActionFormMix(FlaskForm):
name = StringField(
'Name',
[validators.length(max=50)],
description="A name or title of the event. Something to look for.",
)
devices = HiddenField()
date = DateField(
'Date',
[validators.Optional()],
description="""When the action ends. For some actions like booking
the time when it expires, for others like renting the
time that the end rents. For specific actions, it is the
time in which they are carried out; differs from created
in that created is where the system receives the action.""",
)
severity = SelectField(
'Severity',
choices=[(v.name, v.name) for v in Severity],
description="""An indicator that evaluates the execution of the event.
For example, failed events are set to Error""",
)
description = TextAreaField('Description')
lot = HiddenField()
type = HiddenField()
def validate(self, extra_validators=None):
is_valid = self.generic_validation(extra_validators=extra_validators)
if not is_valid:
return False
if self.type.data in [None, '']:
return False
if not self.devices.data:
return False
self._devices = OrderedSet()
devices = set(self.devices.data.split(","))
self._devices = OrderedSet(
Device.query.filter(Device.id.in_(devices))
.filter(Device.owner_id == g.user.id)
.all()
)
if not self._devices:
return False
return True
def generic_validation(self, extra_validators=None):
# Some times we want check validations without devices list
return super().validate(extra_validators)
def save(self):
Model = db.Model._decl_class_registry.data[self.type.data]()
self.instance = Model()
devices = self.devices.data
severity = self.severity.data
self.devices.data = self._devices
self.severity.data = Severity[self.severity.data]
self.populate_obj(self.instance)
db.session.add(self.instance)
db.session.commit()
self.devices.data = devices
self.severity.data = severity
return self.instance
def check_valid(self):
if self.type.data in ['', None]:
return
if not self.validate():
return self.type.data
class NewActionForm(ActionFormMix):
def validate(self, extra_validators=None):
is_valid = super().validate(extra_validators)
if not is_valid:
return False
if self.type.data in ['Allocate', 'Deallocate', 'Trade', 'DataWipe']:
return False
return True
class AllocateForm(ActionFormMix):
date = HiddenField('')
start_time = DateField('Start time')
end_time = DateField('End time', [validators.Optional()])
final_user_code = StringField(
'Final user code', [validators.Optional(), validators.length(max=50)]
)
transaction = StringField(
'Transaction', [validators.Optional(), validators.length(max=50)]
)
end_users = IntegerField('Number of end users', [validators.Optional()])
def validate(self, extra_validators=None):
if not super().validate(extra_validators):
return False
if self.type.data not in ['Allocate', 'Deallocate']:
return False
if not self.validate_dates():
return False
if not self.check_devices():
return False
return True
def validate_dates(self):
start_time = self.start_time.data
end_time = self.end_time.data
if not start_time:
self.start_time.errors = ['Not a valid date value.!']
return False
if start_time > datetime.datetime.now().date():
self.start_time.errors = ['Not a valid date value.!']
return False
if start_time and end_time and end_time < start_time:
error = ['The action cannot finish before it starts.']
self.end_time.errors = error
return False
if not end_time:
self.end_time.data = self.start_time.data
return True
def check_devices(self):
if self.type.data == 'Allocate':
return self.check_allocate()
if self.type.data == 'Deallocate':
return self.check_deallocate()
return True
def check_allocate(self):
txt = "You need deallocate before allocate this device again"
for device in self._devices:
# | Allo - Deallo | Allo - Deallo |
allocates = [
ac for ac in device.actions if ac.type in ['Allocate', 'Deallocate']
]
allocates.sort(key=lambda x: x.start_time)
allocates.reverse()
last_deallocate = None
last_allocate = None
for ac in allocates:
if (
ac.type == 'Deallocate'
and ac.start_time.date() < self.start_time.data
):
# allow to do the action
break
# check if this action is between an old allocate - deallocate
if ac.type == 'Deallocate':
last_deallocate = ac
continue
if (
ac.type == 'Allocate'
and ac.start_time.date() > self.start_time.data
):
last_deallocate = None
last_allocate = None
continue
if ac.type == 'Allocate':
last_allocate = ac
if last_allocate or not last_deallocate:
self.devices.errors = [txt]
return False
device.allocated = True
return True
def check_deallocate(self):
txt = "Sorry some of this devices are actually deallocate"
for device in self._devices:
allocates = [
ac for ac in device.actions if ac.type in ['Allocate', 'Deallocate']
]
allocates.sort(key=lambda x: x.start_time)
allocates.reverse()
last_deallocate = None
last_allocate = None
for ac in allocates:
# check if this action is between an old allocate - deallocate
# | Allo - Deallo | Allo - Deallo |
# | Allo |
if (
ac.type == 'Allocate'
and ac.start_time.date() > self.start_time.data
):
last_allocate = None
last_deallocate = None
continue
if ac.type == 'Allocate' and not last_deallocate:
last_allocate = ac
break
if (
ac.type == 'Deallocate'
and ac.start_time.date() > self.start_time.data
):
last_deallocate = ac
continue
if ac.type == 'Deallocate':
last_allocate = None
if last_deallocate or not last_allocate:
self.devices.errors = [txt]
return False
if not last_deallocate and not last_allocate:
self.devices.errors = [txt]
return False
device.allocated = False
return True
class DataWipeDocumentForm(Form):
date = DateField(
'Date', [validators.Optional()], description="Date when was data wipe"
)
url = URLField(
'Url', [validators.Optional()], description="Url where the document resides"
)
success = BooleanField(
'Success', [validators.Optional()], description="The erase was success or not?"
)
software = StringField(
'Software',
[validators.Optional()],
description="Which software has you use for erase the disks",
)
id_document = StringField(
'Document Id',
[validators.Optional()],
description="Identification number of document",
)
file_name = FileField(
'File',
[validators.DataRequired()],
description="""This file is not stored on our servers, it is only used to
generate a digital signature and obtain the name of the file.""",
)
def validate(self, extra_validators=None):
is_valid = super().validate(extra_validators)
return is_valid
def save(self, commit=True):
file_name = ''
file_hash = ''
if self.file_name.data:
file_name = self.file_name.data.filename
file_hash = insert_hash(self.file_name.data.read(), commit=False)
self.url.data = URL(self.url.data)
self._obj = DataWipeDocument(
document_type='DataWipeDocument',
)
self.populate_obj(self._obj)
self._obj.file_name = file_name
self._obj.file_hash = file_hash
db.session.add(self._obj)
if commit:
db.session.commit()
return self._obj
class DataWipeForm(ActionFormMix):
document = FormField(DataWipeDocumentForm)
def save(self):
self.document.form.save(commit=False)
Model = db.Model._decl_class_registry.data[self.type.data]()
self.instance = Model()
devices = self.devices.data
severity = self.severity.data
self.devices.data = self._devices
self.severity.data = Severity[self.severity.data]
document = copy.copy(self.document)
del self.document
self.populate_obj(self.instance)
self.instance.document = document.form._obj
db.session.add(self.instance)
db.session.commit()
self.devices.data = devices
self.severity.data = severity
self.document = document
return self.instance
class TradeForm(ActionFormMix):
user_from = StringField(
'Supplier',
[validators.Optional()],
description="Please enter the supplier's email address",
render_kw={'data-email': ""},
)
user_to = StringField(
'Receiver',
[validators.Optional()],
description="Please enter the receiver's email address",
render_kw={'data-email': ""},
)
confirm = BooleanField(
'Confirm',
[validators.Optional()],
default=True,
description="I need confirmation from the other user for every device and document.",
)
code = StringField(
'Code',
[validators.Optional()],
description="If you don't need confirm, you need put a code for trace the user in the statistics.",
)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.user_from.render_kw['data-email'] = g.user.email
self.user_to.render_kw['data-email'] = g.user.email
self._lot = (
Lot.query.outerjoin(Trade)
.filter(Lot.id == self.lot.data)
.filter(
or_(
Trade.user_from == g.user,
Trade.user_to == g.user,
Lot.owner_id == g.user.id,
)
)
.one()
)
def validate(self, extra_validators=None):
is_valid = self.generic_validation(extra_validators=extra_validators)
email_from = self.user_from.data
email_to = self.user_to.data
if self.type.data != "Trade":
return False
if not self.confirm.data and not self.code.data:
self.code.errors = ["If you don't want to confirm, you need a code"]
is_valid = False
if (
self.confirm.data
and not (email_from and email_to)
or email_to == email_from
or g.user.email not in [email_from, email_to]
):
errors = ["If you want confirm, you need a correct email"]
self.user_to.errors = errors
self.user_from.errors = errors
is_valid = False
if self.confirm.data and is_valid:
user_to = User.query.filter_by(email=email_to).first() or g.user
user_from = User.query.filter_by(email=email_from).first() or g.user
if user_to == user_from:
is_valid = False
else:
self.db_user_to = user_to
self.db_user_from = user_from
self.has_errors = not is_valid
return is_valid
def save(self, commit=True):
if self.has_errors:
raise ValueError(
"The %s could not be saved because the data didn't validate."
% (self.instance._meta.object_name)
)
if not self.confirm.data:
self.create_phantom_account()
self.prepare_instance()
self.create_automatic_trade()
if commit:
db.session.commit()
return self.instance
def prepare_instance(self):
Model = db.Model._decl_class_registry.data['Trade']()
self.instance = Model()
self.instance.user_from = self.db_user_from
self.instance.user_to = self.db_user_to
self.instance.lot_id = self._lot.id
self.instance.devices = self._lot.devices
self.instance.code = self.code.data
self.instance.confirm = self.confirm.data
self.instance.date = self.date.data
self.instance.name = self.name.data
self.instance.description = self.description.data
db.session.add(self.instance)
def create_phantom_account(self):
"""
If exist both users not to do nothing
If exist from but not to:
search if exist in the DB
if exist use it
else create new one
The same if exist to but not from
"""
user_from = self.user_from.data
user_to = self.user_to.data
code = self.code.data
if user_from and user_to:
# both users exist, no further action is necessary
return
# Create receiver (to) phantom account
if user_from and not user_to:
assert g.user.email == user_from
self.user_from = g.user
self.user_to = self.get_or_create_user(code)
# Create supplier (from) phantom account
if not user_from and user_to:
assert g.user.email == user_to
self.user_from = self.get_or_create_user(code)
self.user_to = g.user
self.db_user_to = self.user_to
self.db_user_from = self.user_from
def get_or_create_user(self, code):
email = "{}_{}@dhub.com".format(str(g.user.id), code)
user = User.query.filter_by(email=email).first()
if not user:
user = User(email=email, password='', active=False, phantom=True)
db.session.add(user)
return user
def create_automatic_trade(self):
# This method change the ownership of devices
# do nothing if an explicit confirmation is required
if self.confirm.data:
return
# Change the owner for every devices
for dev in self._lot.devices:
dev.change_owner(self.db_user_to)
def check_valid(self):
if self.user_from.data == self.user_to.data:
return
if self.user_from.data == g.user.email:
return 'user_to'
if self.user_to.data == g.user.email:
return 'user_from'
class TradeDocumentForm(FlaskForm):
url = URLField(
'Url',
[validators.Optional()],
render_kw={'class': "form-control"},
description="Url where the document resides",
)
description = StringField(
'Description',
[validators.Optional()],
render_kw={'class': "form-control"},
description="",
)
id_document = StringField(
'Document Id',
[validators.Optional()],
render_kw={'class': "form-control"},
description="Identification number of document",
)
date = DateField(
'Date',
[validators.Optional()],
render_kw={'class': "form-control"},
description="",
)
file_name = FileField(
'File',
[validators.DataRequired()],
render_kw={'class': "form-control"},
description="""This file is not stored on our servers, it is only used to
generate a digital signature and obtain the name of the file.""",
)
def __init__(self, *args, **kwargs):
lot_id = kwargs.pop('lot')
super().__init__(*args, **kwargs)
self._lot = Lot.query.filter(Lot.id == lot_id).one()
def validate(self, extra_validators=None):
is_valid = super().validate(extra_validators)
if g.user not in [self._lot.trade.user_from, self._lot.trade.user_to]:
is_valid = False
return is_valid
def save(self, commit=True):
file_name = ''
file_hash = ''
if self.file_name.data:
file_name = self.file_name.data.filename
file_hash = insert_hash(self.file_name.data.read(), commit=False)
self.url.data = URL(self.url.data)
self._obj = TradeDocument(lot_id=self._lot.id)
self.populate_obj(self._obj)
self._obj.file_name = file_name
self._obj.file_hash = file_hash
db.session.add(self._obj)
self._lot.trade.documents.add(self._obj)
if commit:
db.session.commit()
return self._obj