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.inventory.models import Transfer 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 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 class TransferForm(FlaskForm): code = StringField( 'Code', [validators.DataRequired()], render_kw={'class': "form-control"}, description="You need put a code for transfer the external user", ) description = TextAreaField( 'Description', [validators.Optional()], render_kw={'class': "form-control"}, ) type = HiddenField() def __init__(self, *args, **kwargs): self._type = kwargs.get('type') lot_id = kwargs.pop('lot_id', None) self._tmp_lot = Lot.query.filter(Lot.id == lot_id).one() super().__init__(*args, **kwargs) self._obj = None def validate(self, extra_validators=None): is_valid = super().validate(extra_validators) if not self._tmp_lot: return False if self._type and self.type.data not in ['incoming', 'outgoing']: return False if self._obj and self.date.data: if self.date.data > datetime.datetime.now().date(): return False return is_valid def save(self, commit=True): self.set_obj() db.session.add(self._obj) if commit: db.session.commit() return self._obj def set_obj(self): self.newlot = Lot(name=self._tmp_lot.name) self.newlot.devices = self._tmp_lot.devices db.session.add(self.newlot) self._obj = Transfer(lot=self.newlot) self.populate_obj(self._obj) if self.type.data == 'incoming': self._obj.user_to = g.user elif self.type.data == 'outgoing': self._obj.user_from = g.user class EditTransferForm(TransferForm): date = DateField( 'Date', [validators.Optional()], render_kw={'class': "form-control"}, description="""Date when the transfer is closed""", ) def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) del self.type self._obj = self._tmp_lot.transfer if not self.data['csrf_token']: self.code.data = self._obj.code self.description.data = self._obj.description self.date.data = self._obj.date def set_obj(self, commit=True): self.populate_obj(self._obj)