608 lines
19 KiB
Python
608 lines
19 KiB
Python
import csv
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import logging
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from distutils.util import strtobool
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from io import StringIO
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import flask
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import flask_weasyprint
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from flask import Blueprint, g, make_response, request, url_for
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from flask.views import View
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from flask_login import current_user, login_required
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from werkzeug.exceptions import NotFound
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from ereuse_devicehub import messages
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from ereuse_devicehub.db import db
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from ereuse_devicehub.inventory.forms import (
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AllocateForm,
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DataWipeForm,
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EditTransferForm,
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FilterForm,
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LotForm,
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NewActionForm,
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NewDeviceForm,
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TagDeviceForm,
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TradeDocumentForm,
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TradeForm,
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TransferForm,
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UploadSnapshotForm,
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)
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from ereuse_devicehub.labels.forms import PrintLabelsForm
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from ereuse_devicehub.resources.action.models import Trade
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from ereuse_devicehub.resources.device.models import Computer, DataStorage, Device
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from ereuse_devicehub.resources.documents.device_row import ActionRow, DeviceRow
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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.views import GenericMixView
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devices = Blueprint('inventory', __name__, url_prefix='/inventory')
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logger = logging.getLogger(__name__)
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class DeviceListMix(GenericMixView):
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template_name = 'inventory/device_list.html'
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def get_context(self, lot_id, only_unassigned=True):
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super().get_context()
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lots = self.context['lots']
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form_filter = FilterForm(lots, lot_id, only_unassigned=only_unassigned)
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devices = form_filter.search()
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lot = None
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form_transfer = ''
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if lot_id:
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lot = lots.filter(Lot.id == lot_id).one()
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if not lot.is_temporary and lot.transfer:
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form_transfer = EditTransferForm(lot_id=lot.id)
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form_new_action = NewActionForm(lot=lot_id)
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self.context.update(
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{
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'devices': devices,
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'form_tag_device': TagDeviceForm(),
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'form_new_action': form_new_action,
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'form_new_allocate': AllocateForm(lot=lot_id),
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'form_new_datawipe': DataWipeForm(lot=lot_id),
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'form_transfer': form_transfer,
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'form_filter': form_filter,
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'form_print_labels': PrintLabelsForm(),
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'lot': lot,
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'tags': self.get_user_tags(),
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'list_devices': self.get_selected_devices(form_new_action),
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'unassigned_devices': only_unassigned,
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}
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)
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return self.context
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def get_user_tags(self):
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return (
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Tag.query.filter(Tag.owner_id == current_user.id)
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.filter(Tag.device_id.is_(None))
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.order_by(Tag.id.asc())
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)
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def get_selected_devices(self, action_form):
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"""Retrieve selected devices (when action form is submited)"""
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action_devices = action_form.devices.data
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if action_devices:
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return [int(x) for x in action_devices.split(",")]
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return []
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class DeviceListView(DeviceListMix):
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def dispatch_request(self, lot_id=None):
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only_unassigned = request.args.get(
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'only_unassigned', default=True, type=strtobool
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)
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self.get_context(lot_id, only_unassigned)
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return flask.render_template(self.template_name, **self.context)
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class DeviceDetailView(GenericMixView):
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decorators = [login_required]
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template_name = 'inventory/device_detail.html'
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def dispatch_request(self, id):
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self.get_context()
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device = (
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Device.query.filter(Device.owner_id == current_user.id)
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.filter(Device.devicehub_id == id)
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.one()
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)
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self.context.update(
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{
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'device': device,
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'page_title': 'Device {}'.format(device.devicehub_id),
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}
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)
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return flask.render_template(self.template_name, **self.context)
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class LotCreateView(GenericMixView):
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methods = ['GET', 'POST']
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decorators = [login_required]
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template_name = 'inventory/lot.html'
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title = "Add a new lot"
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def dispatch_request(self):
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form = LotForm()
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if form.validate_on_submit():
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form.save()
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next_url = url_for('inventory.lotdevicelist', lot_id=form.id)
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return flask.redirect(next_url)
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self.get_context()
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self.context.update(
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{
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'form': form,
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'title': self.title,
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}
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)
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return flask.render_template(self.template_name, **self.context)
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class LotUpdateView(GenericMixView):
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methods = ['GET', 'POST']
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decorators = [login_required]
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template_name = 'inventory/lot.html'
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title = "Edit a new lot"
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def dispatch_request(self, id):
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form = LotForm(id=id)
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if form.validate_on_submit():
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form.save()
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next_url = url_for('inventory.lotdevicelist', lot_id=id)
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return flask.redirect(next_url)
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self.get_context()
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self.context.update(
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{
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'form': form,
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'title': self.title,
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}
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)
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return flask.render_template(self.template_name, **self.context)
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class LotDeleteView(View):
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methods = ['GET']
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decorators = [login_required]
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template_name = 'inventory/device_list.html'
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def dispatch_request(self, id):
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form = LotForm(id=id)
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if form.instance.trade:
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msg = "Sorry, the lot cannot be deleted because have a trade action "
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messages.error(msg)
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next_url = url_for('inventory.lotdevicelist', lot_id=id)
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return flask.redirect(next_url)
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form.remove()
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next_url = url_for('inventory.devicelist')
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return flask.redirect(next_url)
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class UploadSnapshotView(GenericMixView):
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methods = ['GET', 'POST']
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decorators = [login_required]
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template_name = 'inventory/upload_snapshot.html'
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def dispatch_request(self, lot_id=None):
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self.get_context()
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form = UploadSnapshotForm()
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self.context.update(
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{
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'page_title': 'Upload Snapshot',
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'form': form,
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'lot_id': lot_id,
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}
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)
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if form.validate_on_submit():
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snapshot = form.save(commit=False)
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if lot_id:
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lots = self.context['lots']
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lot = lots.filter(Lot.id == lot_id).one()
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lot.devices.add(snapshot.device)
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db.session.add(lot)
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db.session.commit()
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return flask.render_template(self.template_name, **self.context)
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class DeviceCreateView(GenericMixView):
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methods = ['GET', 'POST']
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decorators = [login_required]
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template_name = 'inventory/device_create.html'
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def dispatch_request(self, lot_id=None):
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self.get_context()
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form = NewDeviceForm()
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self.context.update(
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{
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'page_title': 'New Device',
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'form': form,
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'lot_id': lot_id,
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}
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)
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if form.validate_on_submit():
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snapshot = form.save(commit=False)
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next_url = url_for('inventory.devicelist')
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if lot_id:
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next_url = url_for('inventory.lotdevicelist', lot_id=lot_id)
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lots = self.context['lots']
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lot = lots.filter(Lot.id == lot_id).one()
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lot.devices.add(snapshot.device)
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db.session.add(lot)
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db.session.commit()
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messages.success('Device "{}" created successfully!'.format(form.type.data))
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return flask.redirect(next_url)
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return flask.render_template(self.template_name, **self.context)
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class TagLinkDeviceView(View):
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methods = ['POST']
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decorators = [login_required]
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# template_name = 'inventory/device_list.html'
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def dispatch_request(self):
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form = TagDeviceForm()
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if form.validate_on_submit():
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form.save()
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return flask.redirect(request.referrer)
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class TagUnlinkDeviceView(GenericMixView):
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methods = ['POST', 'GET']
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decorators = [login_required]
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template_name = 'inventory/tag_unlink_device.html'
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def dispatch_request(self, id):
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self.get_context()
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form = TagDeviceForm(delete=True, device=id)
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if form.validate_on_submit():
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form.remove()
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next_url = url_for('inventory.devicelist')
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return flask.redirect(next_url)
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self.context.update(
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{
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'form': form,
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'referrer': request.referrer,
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}
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)
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return flask.render_template(self.template_name, **self.context)
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class NewActionView(View):
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methods = ['POST']
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decorators = [login_required]
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form_class = NewActionForm
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def dispatch_request(self):
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self.form = self.form_class()
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next_url = self.get_next_url()
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if self.form.validate_on_submit():
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self.form.save()
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messages.success(
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'Action "{}" created successfully!'.format(self.form.type.data)
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)
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next_url = self.get_next_url()
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return flask.redirect(next_url)
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messages.error('Action {} error!'.format(self.form.type.data))
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return flask.redirect(next_url)
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def get_next_url(self):
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lot_id = self.form.lot.data
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if lot_id:
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return url_for('inventory.lotdevicelist', lot_id=lot_id)
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return url_for('inventory.devicelist')
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class NewAllocateView(NewActionView, DeviceListMix):
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methods = ['POST']
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form_class = AllocateForm
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def dispatch_request(self):
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self.form = self.form_class()
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if self.form.validate_on_submit():
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self.form.save()
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messages.success(
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'Action "{}" created successfully!'.format(self.form.type.data)
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)
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next_url = self.get_next_url()
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return flask.redirect(next_url)
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messages.error('Action {} error!'.format(self.form.type.data))
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for k, v in self.form.errors.items():
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value = ';'.join(v)
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key = self.form[k].label.text
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messages.error('Action Error {key}: {value}!'.format(key=key, value=value))
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next_url = self.get_next_url()
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return flask.redirect(next_url)
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class NewDataWipeView(NewActionView, DeviceListMix):
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methods = ['POST']
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form_class = DataWipeForm
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def dispatch_request(self):
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self.form = self.form_class()
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if self.form.validate_on_submit():
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self.form.save()
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messages.success(
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'Action "{}" created successfully!'.format(self.form.type.data)
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)
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next_url = self.get_next_url()
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return flask.redirect(next_url)
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messages.error('Action {} error!'.format(self.form.type.data))
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next_url = self.get_next_url()
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return flask.redirect(next_url)
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class NewTradeView(NewActionView, DeviceListMix):
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methods = ['POST']
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form_class = TradeForm
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def dispatch_request(self):
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self.form = self.form_class()
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if self.form.validate_on_submit():
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self.form.save()
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messages.success(
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'Action "{}" created successfully!'.format(self.form.type.data)
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)
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next_url = self.get_next_url()
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return flask.redirect(next_url)
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messages.error('Action {} error!'.format(self.form.type.data))
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next_url = self.get_next_url()
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return flask.redirect(next_url)
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class NewTradeDocumentView(View):
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methods = ['POST', 'GET']
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decorators = [login_required]
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template_name = 'inventory/trade_document.html'
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form_class = TradeDocumentForm
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title = "Add new document"
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def dispatch_request(self, lot_id):
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self.form = self.form_class(lot=lot_id)
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self.get_context()
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if self.form.validate_on_submit():
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self.form.save()
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messages.success('Document created successfully!')
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next_url = url_for('inventory.lotdevicelist', lot_id=lot_id)
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return flask.redirect(next_url)
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self.context.update({'form': self.form, 'title': self.title})
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return flask.render_template(self.template_name, **self.context)
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class NewTransferView(GenericMixView):
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methods = ['POST', 'GET']
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template_name = 'inventory/new_transfer.html'
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form_class = TransferForm
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title = "Add new transfer"
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def dispatch_request(self, lot_id, type_id):
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self.form = self.form_class(lot_id=lot_id, type=type_id)
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self.get_context()
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if self.form.validate_on_submit():
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self.form.save()
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new_lot_id = lot_id
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if self.form.newlot.id:
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new_lot_id = "{}".format(self.form.newlot.id)
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Lot.query.filter(Lot.id == new_lot_id).one()
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messages.success('Transfer created successfully!')
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next_url = url_for('inventory.lotdevicelist', lot_id=str(new_lot_id))
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return flask.redirect(next_url)
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self.context.update({'form': self.form, 'title': self.title})
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return flask.render_template(self.template_name, **self.context)
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class EditTransferView(GenericMixView):
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methods = ['POST']
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form_class = EditTransferForm
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def dispatch_request(self, lot_id):
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self.get_context()
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form = self.form_class(request.form, lot_id=lot_id)
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next_url = url_for('inventory.lotdevicelist', lot_id=lot_id)
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if form.validate_on_submit():
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form.save()
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messages.success('Transfer updated successfully!')
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return flask.redirect(next_url)
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messages.error('Transfer updated error!')
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return flask.redirect(next_url)
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class ExportsView(View):
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methods = ['GET']
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decorators = [login_required]
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def dispatch_request(self, export_id):
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export_ids = {
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'metrics': self.metrics,
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'devices': self.devices_list,
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'certificates': self.erasure,
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}
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if export_id not in export_ids:
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return NotFound()
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return export_ids[export_id]()
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def find_devices(self):
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args = request.args.get('ids')
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ids = args.split(',') if args else []
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query = Device.query.filter(Device.owner == g.user)
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return query.filter(Device.devicehub_id.in_(ids))
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def response_csv(self, data, name):
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bfile = data.getvalue().encode('utf-8')
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# insert proof
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insert_hash(bfile)
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output = make_response(bfile)
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output.headers['Content-Disposition'] = 'attachment; filename={}'.format(name)
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output.headers['Content-type'] = 'text/csv'
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return output
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def devices_list(self):
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"""Get device query and put information in csv format."""
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data = StringIO()
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cw = csv.writer(data, delimiter=';', lineterminator="\n", quotechar='"')
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first = True
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for device in self.find_devices():
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d = DeviceRow(device, {})
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if first:
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cw.writerow(d.keys())
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first = False
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cw.writerow(d.values())
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return self.response_csv(data, "export.csv")
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def metrics(self):
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"""Get device query and put information in csv format."""
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data = StringIO()
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cw = csv.writer(data, delimiter=';', lineterminator="\n", quotechar='"')
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first = True
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devs_id = []
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# Get the allocate info
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for device in self.find_devices():
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devs_id.append(device.id)
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for allocate in device.get_metrics():
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d = ActionRow(allocate)
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if first:
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cw.writerow(d.keys())
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first = False
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cw.writerow(d.values())
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# Get the trade info
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query_trade = Trade.query.filter(
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Trade.devices.any(Device.id.in_(devs_id))
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).all()
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lot_id = request.args.get('lot')
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if lot_id and not query_trade:
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lot = Lot.query.filter_by(id=lot_id).one()
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if hasattr(lot, "trade") and lot.trade:
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if g.user in [lot.trade.user_from, lot.trade.user_to]:
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query_trade = [lot.trade]
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for trade in query_trade:
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data_rows = trade.get_metrics()
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for row in data_rows:
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d = ActionRow(row)
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if first:
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cw.writerow(d.keys())
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first = False
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cw.writerow(d.values())
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return self.response_csv(data, "actions_export.csv")
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def erasure(self):
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template = self.build_erasure_certificate()
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res = flask_weasyprint.render_pdf(
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flask_weasyprint.HTML(string=template),
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download_filename='erasure-certificate.pdf',
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)
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insert_hash(res.data)
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return res
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def build_erasure_certificate(self):
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erasures = []
|
|
for device in self.find_devices():
|
|
if isinstance(device, Computer):
|
|
for privacy in device.privacy:
|
|
erasures.append(privacy)
|
|
elif isinstance(device, DataStorage):
|
|
if device.privacy:
|
|
erasures.append(device.privacy)
|
|
|
|
params = {
|
|
'title': 'Erasure Certificate',
|
|
'erasures': tuple(erasures),
|
|
'url_pdf': '',
|
|
}
|
|
return flask.render_template('inventory/erasure.html', **params)
|
|
|
|
|
|
devices.add_url_rule('/action/add/', view_func=NewActionView.as_view('action_add'))
|
|
devices.add_url_rule('/action/trade/add/', view_func=NewTradeView.as_view('trade_add'))
|
|
devices.add_url_rule(
|
|
'/action/allocate/add/', view_func=NewAllocateView.as_view('allocate_add')
|
|
)
|
|
devices.add_url_rule(
|
|
'/action/datawipe/add/', view_func=NewDataWipeView.as_view('datawipe_add')
|
|
)
|
|
devices.add_url_rule(
|
|
'/lot/<string:lot_id>/trade-document/add/',
|
|
view_func=NewTradeDocumentView.as_view('trade_document_add'),
|
|
)
|
|
devices.add_url_rule('/device/', view_func=DeviceListView.as_view('devicelist'))
|
|
devices.add_url_rule(
|
|
'/device/<string:id>/', view_func=DeviceDetailView.as_view('device_details')
|
|
)
|
|
devices.add_url_rule(
|
|
'/lot/<string:lot_id>/device/', view_func=DeviceListView.as_view('lotdevicelist')
|
|
)
|
|
devices.add_url_rule('/lot/add/', view_func=LotCreateView.as_view('lot_add'))
|
|
devices.add_url_rule(
|
|
'/lot/<string:id>/del/', view_func=LotDeleteView.as_view('lot_del')
|
|
)
|
|
devices.add_url_rule('/lot/<string:id>/', view_func=LotUpdateView.as_view('lot_edit'))
|
|
devices.add_url_rule(
|
|
'/upload-snapshot/', view_func=UploadSnapshotView.as_view('upload_snapshot')
|
|
)
|
|
devices.add_url_rule(
|
|
'/lot/<string:lot_id>/upload-snapshot/',
|
|
view_func=UploadSnapshotView.as_view('lot_upload_snapshot'),
|
|
)
|
|
devices.add_url_rule('/device/add/', view_func=DeviceCreateView.as_view('device_add'))
|
|
devices.add_url_rule(
|
|
'/lot/<string:lot_id>/device/add/',
|
|
view_func=DeviceCreateView.as_view('lot_device_add'),
|
|
)
|
|
devices.add_url_rule(
|
|
'/tag/devices/add/', view_func=TagLinkDeviceView.as_view('tag_devices_add')
|
|
)
|
|
devices.add_url_rule(
|
|
'/tag/devices/<int:id>/del/',
|
|
view_func=TagUnlinkDeviceView.as_view('tag_devices_del'),
|
|
)
|
|
devices.add_url_rule(
|
|
'/export/<string:export_id>/', view_func=ExportsView.as_view('export')
|
|
)
|
|
devices.add_url_rule(
|
|
'/lot/<string:lot_id>/transfer/<string:type_id>/',
|
|
view_func=NewTransferView.as_view('new_transfer'),
|
|
)
|
|
devices.add_url_rule(
|
|
'/lot/<string:lot_id>/transfer/',
|
|
view_func=EditTransferView.as_view('edit_transfer'),
|
|
)
|