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devicehub-teal/ereuse_devicehub/inventory/forms.py

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import copy
import json
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from json.decoder import JSONDecodeError
from boltons.urlutils import URL
from flask import g, request
from flask_wtf import FlaskForm
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
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, Device, Keyboard, MemoryCardReader, Monitor,
Mouse, Smartphone, Tablet)
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from ereuse_devicehub.resources.device.sync import Sync
from ereuse_devicehub.resources.documents.models import DataWipeDocument
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from ereuse_devicehub.resources.enums import Severity, SnapshotSoftware
from ereuse_devicehub.resources.hash_reports import insert_hash
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from ereuse_devicehub.resources.lot.models import Lot
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from ereuse_devicehub.resources.tag.model import Tag
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from ereuse_devicehub.resources.tradedocument.models import TradeDocument
from ereuse_devicehub.resources.user.exceptions import InsufficientPermission
from ereuse_devicehub.resources.user.models import User
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class LotDeviceForm(FlaskForm):
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lot = StringField('Lot', [validators.UUID()])
devices = StringField('Devices', [validators.length(min=1)])
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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 == g.user.id)
.one()
)
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devices = set(self.devices.data.split(","))
self._devices = (
Device.query.filter(Device.id.in_(devices))
.filter(Device.owner_id == g.user.id)
.distinct()
.all()
)
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return bool(self._devices)
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def save(self):
trade = self._lot.trade
if trade:
for dev in self._devices:
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if trade not in dev.actions:
trade.devices.add(dev)
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self._lot.devices.update(self._devices)
db.session.add(self._lot)
db.session.commit()
def remove(self):
self._lot.devices.difference_update(self._devices)
db.session.add(self._lot)
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db.session.commit()
class LotForm(FlaskForm):
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name = StringField('Name', [validators.length(min=1)])
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def __init__(self, *args, **kwargs):
self.id = kwargs.pop('id', None)
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self.instance = None
if self.id:
self.instance = (
Lot.query.filter(Lot.id == self.id)
.filter(Lot.owner_id == g.user.id)
.one()
)
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super().__init__(*args, **kwargs)
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if self.instance and not self.name.data:
self.name.data = self.instance.name
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def save(self):
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if not self.id:
self.instance = Lot(name=self.name.data)
self.populate_obj(self.instance)
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if not self.id:
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self.id = self.instance.id
db.session.add(self.instance)
db.session.commit()
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return self.id
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db.session.commit()
return self.id
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def remove(self):
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if self.instance and not self.instance.devices:
self.instance.delete()
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db.session.commit()
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return self.instance
class UploadSnapshotForm(FlaskForm):
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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):
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)
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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)
db.session.commit()
return response
def build(self, snapshot_json):
# 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
):
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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
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class NewDeviceForm(FlaskForm):
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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()])
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def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.devices = {
"Smartphone": Smartphone,
"Tablet": Tablet,
"Cellphone": Cellphone,
"Monitor": Monitor,
"Mouse": Mouse,
"Keyboard": Keyboard,
"SAI": SAI,
"MemoryCardReader": MemoryCardReader,
}
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if not self.generation.data:
self.generation.data = 1
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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):
error = ["Not a correct value"]
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is_valid = super().validate(extra_validators)
if self.generation.data < 1:
self.generation.errors = error
is_valid = False
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if self.weight.data < 0.1:
self.weight.errors = error
is_valid = False
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if self.height.data < 0.1:
self.height.errors = error
is_valid = False
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if self.width.data < 0.1:
self.width.errors = error
is_valid = False
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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:
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return False
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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()
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return True
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def save(self):
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 == 'Monitor':
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 == 'Monitor':
snapshot.device.resolution = self.resolution.data
snapshot.device.screen = self.screen.data
db.session.commit()
return snapshot
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class TagForm(FlaskForm):
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code = StringField('Code', [validators.length(min=1)])
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def validate(self, extra_validators=None):
error = ["This value is being used"]
is_valid = super().validate(extra_validators)
if not is_valid:
return False
tag = Tag.query.filter(Tag.id == self.code.data).all()
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if tag:
self.code.errors = error
return False
return True
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def save(self):
self.instance = Tag(id=self.code.data)
db.session.add(self.instance)
db.session.commit()
return self.instance
def remove(self):
if not self.instance.device and not self.instance.provider:
self.instance.delete()
db.session.commit()
return self.instance
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class TagUnnamedForm(FlaskForm):
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amount = IntegerField('amount')
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def save(self):
num = self.amount.data
tags_id, _ = g.tag_provider.post('/', {}, query=[('num', num)])
tags = [Tag(id=tag_id, provider=g.inventory.tag_provider) for tag_id in tags_id]
db.session.add_all(tags)
db.session.commit()
return tags
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class TagDeviceForm(FlaskForm):
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tag = SelectField('Tag', choices=[])
device = StringField('Device', [validators.Optional()])
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def __init__(self, *args, **kwargs):
self.delete = kwargs.pop('delete', None)
self.device_id = kwargs.pop('device', None)
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super().__init__(*args, **kwargs)
if self.delete:
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tags = Tag.query.filter(Tag.owner_id == g.user.id).filter_by(
device_id=self.device_id
)
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else:
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tags = Tag.query.filter(Tag.owner_id == g.user.id).filter_by(device_id=None)
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self.tag.choices = [(tag.id, tag.id) for tag in tags]
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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()
)
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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:
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()
)
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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()
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class NewActionForm(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
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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""",
)
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description = TextAreaField('Description')
lot = HiddenField()
type = HiddenField()
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def validate(self, extra_validators=None):
is_valid = self.generic_validation(extra_validators=extra_validators)
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if not is_valid:
return False
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self._devices = OrderedSet()
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if self.devices.data:
devices = set(self.devices.data.split(","))
self._devices = OrderedSet(
Device.query.filter(Device.id.in_(devices))
.filter(Device.owner_id == g.user.id)
.all()
)
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if not self._devices:
return False
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return True
def generic_validation(self, extra_validators=None):
# Some times we want check validations without devices list
return super().validate(extra_validators)
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def save(self):
Model = db.Model._decl_class_registry.data[self.type.data]()
self.instance = Model()
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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)
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db.session.add(self.instance)
db.session.commit()
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self.devices.data = devices
self.severity.data = severity
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return self.instance
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def check_valid(self):
if self.type.data in ['', None]:
return
if not self.validate():
return self.type.data
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class AllocateForm(NewActionForm):
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start_time = DateField('Start time')
end_time = DateField('End time')
final_user_code = StringField('Final user code', [validators.length(max=50)])
transaction = StringField('Transaction', [validators.length(max=50)])
end_users = IntegerField('End users')
def validate(self, extra_validators=None):
is_valid = super().validate(extra_validators)
start_time = self.start_time.data
end_time = self.end_time.data
if start_time and end_time and end_time < start_time:
error = ['The action cannot finish before it starts.']
self.start_time.errors = error
self.end_time.errors = error
is_valid = False
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if not self.end_users.data:
self.end_users.errors = ["You need to specify a number of users"]
is_valid = False
return is_valid
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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.""",
)
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def validate(self, extra_validators=None):
is_valid = super().validate(extra_validators)
return is_valid
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def save(self, commit=True):
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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',
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)
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
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class DataWipeForm(NewActionForm):
document = FormField(DataWipeDocumentForm)
def save(self):
self.document.form.save(commit=False)
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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
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self.populate_obj(self.instance)
self.instance.document = document.form._obj
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db.session.add(self.instance)
db.session.commit()
self.devices.data = devices
self.severity.data = severity
self.document = document
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return self.instance
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class TradeForm(NewActionForm):
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.",
)
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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.filter(Lot.id == self.lot.data)
.filter(Lot.owner_id == g.user.id)
.one()
)
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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
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if not self.confirm.data and not self.code.data:
self.code.errors = ["If you don't want to confirm, you need a code"]
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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]
):
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errors = ["If you want confirm, you need a correct email"]
self.user_to.errors = errors
self.user_from.errors = errors
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is_valid = False
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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
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if user_to == user_from:
is_valid = False
else:
self.db_user_to = user_to
self.db_user_from = user_from
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self.has_errors = not is_valid
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return is_valid
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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)
)
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if not self.confirm.data:
self.create_phantom_account()
self.prepare_instance()
self.create_automatic_trade()
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if commit:
db.session.commit()
return self.instance
def prepare_instance(self):
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Model = db.Model._decl_class_registry.data['Trade']()
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self.instance = Model()
self.instance.user_from = self.db_user_from
self.instance.user_to = self.db_user_to
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self.instance.lot_id = self._lot.id
self.instance.devices = self._lot.devices
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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
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# Create receiver (to) phantom account
if user_from and not user_to:
assert g.user.email == user_from
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self.user_from = g.user
self.user_to = self.get_or_create_user(code)
return
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# Create supplier (from) phantom account
if not user_from and user_to:
assert g.user.email == user_to
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self.user_from = self.get_or_create_user(code)
self.user_to = g.user
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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:
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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.""",
)
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def __init__(self, *args, **kwargs):
lot_id = kwargs.pop('lot')
super().__init__(*args, **kwargs)
self._lot = Lot.query.filter(Lot.id == lot_id).one()
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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