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devicehub-teal/ereuse_devicehub/inventory/views.py

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Python
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import copy
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import csv
import logging
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import os
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from io import StringIO
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from pathlib import Path
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import flask
import flask_weasyprint
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from flask import Blueprint
from flask import current_app as app
from flask import 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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AdvancedSearchForm,
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AllocateForm,
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BindingForm,
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DataWipeForm,
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EditTransferForm,
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FilterForm,
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LotForm,
NewActionForm,
NewDeviceForm,
NotesForm,
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TagDeviceForm,
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TradeDocumentForm,
TradeForm,
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TransferForm,
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UploadPlaceholderForm,
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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.parser.models import PlaceholdersLog, SnapshotsLog
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from ereuse_devicehub.resources.action.models import EraseBasic, Trade
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from ereuse_devicehub.resources.device.models import (
Computer,
DataStorage,
Device,
Placeholder,
)
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from ereuse_devicehub.resources.documents.device_row import ActionRow, DeviceRow
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from ereuse_devicehub.resources.enums import SnapshotSoftware
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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 GenericMixin
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devices = Blueprint('inventory', __name__, url_prefix='/inventory')
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logger = logging.getLogger(__name__)
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PER_PAGE = 20
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class DeviceListMixin(GenericMixin):
template_name = 'inventory/device_list.html'
def get_context(self, lot_id=None, all_devices=False):
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super().get_context()
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page = int(request.args.get('page', 1))
per_page = int(request.args.get('per_page', PER_PAGE))
filter = request.args.get('filter', "All+Computers")
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lots = self.context['lots']
form_filter = FilterForm(lots, lot_id, all_devices=all_devices)
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devices = form_filter.search().paginate(page=page, per_page=per_page)
devices.first = per_page * devices.page - per_page + 1
devices.last = len(devices.items) + devices.first - 1
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lot = None
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form_transfer = ''
form_delivery = ''
form_receiver = ''
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if lot_id:
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)
form_delivery = NotesForm(lot_id=lot.id, type='Delivery')
form_receiver = NotesForm(lot_id=lot.id, type='Receiver')
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form_new_action = NewActionForm(lot=lot_id)
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self.context.update(
{
'devices': devices,
'form_new_action': form_new_action,
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'form_new_allocate': AllocateForm(lot=lot_id),
'form_new_datawipe': DataWipeForm(lot=lot_id),
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'form_transfer': form_transfer,
'form_delivery': form_delivery,
'form_receiver': form_receiver,
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'form_filter': form_filter,
'form_print_labels': PrintLabelsForm(),
'lot': lot,
'tags': self.get_user_tags(),
'list_devices': self.get_selected_devices(form_new_action),
'all_devices': all_devices,
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'filter': filter,
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}
)
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return self.context
def get_user_tags(self):
return (
Tag.query.filter(Tag.owner_id == current_user.id)
.filter(Tag.device_id.is_(None))
.order_by(Tag.id.asc())
)
def get_selected_devices(self, action_form):
"""Retrieve selected devices (when action form is submited)"""
action_devices = action_form.devices.data
if action_devices:
return [int(x) for x in action_devices.split(",")]
return []
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class ErasureListView(DeviceListMixin):
template_name = 'inventory/erasure_list.html'
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def dispatch_request(self, orphans=0):
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self.get_context()
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self.get_devices(orphans)
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return flask.render_template(self.template_name, **self.context)
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def get_devices(self, orphans):
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page = int(request.args.get('page', 1))
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per_page = int(request.args.get('per_page', PER_PAGE))
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erasure = EraseBasic.query.filter_by(author=g.user).order_by(
EraseBasic.created.desc()
)
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if orphans:
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schema = app.config.get('SCHEMA')
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_user = g.user.id
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sql = f"""
select action.id from {schema}.action as action
inner join {schema}.erase_basic as erase
on action.id=erase.id
inner join {schema}.device as device
on device.id=action.parent_id
inner join {schema}.placeholder as placeholder
on placeholder.binding_id=device.id
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where (action.parent_id is null or placeholder.kangaroo=true)
and action.author_id='{_user}'
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"""
ids = (e[0] for e in db.session.execute(sql))
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erasure = (
EraseBasic.query.filter(EraseBasic.id.in_(ids))
.filter_by(author=g.user)
.order_by(EraseBasic.created.desc())
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)
self.context['orphans'] = True
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erasure = erasure.paginate(page=page, per_page=per_page)
erasure.first = per_page * erasure.page - per_page + 1
erasure.last = len(erasure.items) + erasure.first - 1
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self.context['erasure'] = erasure
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class DeviceListView(DeviceListMixin):
def dispatch_request(self, lot_id=None):
self.get_context(lot_id)
return flask.render_template(self.template_name, **self.context)
class AllDeviceListView(DeviceListMixin):
def dispatch_request(self):
self.get_context(all_devices=True)
return flask.render_template(self.template_name, **self.context)
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class AdvancedSearchView(DeviceListMixin):
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methods = ['GET', 'POST']
template_name = 'inventory/search.html'
title = "Advanced Search"
def dispatch_request(self):
query = request.args.get('q', '')
self.get_context()
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form = AdvancedSearchForm(q=query)
self.context.update({'devices': form.devices, 'advanced_form': form})
return flask.render_template(self.template_name, **self.context)
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class DeviceDetailView(GenericMixin):
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methods = ['GET', 'POST']
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decorators = [login_required]
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 = (
Device.query.filter(Device.owner_id == current_user.id)
.filter(Device.devicehub_id == id)
.one()
)
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form_tags = TagDeviceForm(dhid=id)
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placeholder = device.binding or device.placeholder
if not placeholder:
return NotFound()
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self.context.update(
{
'device': device,
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'placeholder': placeholder,
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'page_title': 'Device {}'.format(device.devicehub_id),
'form_tag_device': form_tags,
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}
)
return flask.render_template(self.template_name, **self.context)
class BindingSearchView(GenericMixin):
methods = ['GET', 'POST']
decorators = [login_required]
template_name = 'inventory/binding_search.html'
def dispatch_request(self, dhid):
self.get_context()
device = (
Device.query.filter(Device.owner_id == current_user.id)
.filter(Device.devicehub_id == dhid)
.one()
)
form_binding = BindingForm(device=device)
self.context.update(
{
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'page_title': 'Search a Device for to do a binding from {}'.format(
device.devicehub_id
),
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'form_binding': form_binding,
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'device': device,
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}
)
if form_binding.validate_on_submit():
next_url = url_for(
'inventory.binding',
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dhid=dhid,
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phid=form_binding.placeholder.phid,
)
return flask.redirect(next_url)
return flask.render_template(self.template_name, **self.context)
class BindingView(GenericMixin):
methods = ['GET', 'POST']
decorators = [login_required]
template_name = 'inventory/binding.html'
def dispatch_request(self, dhid, phid):
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self.phid = phid
self.dhid = dhid
self.next_url = url_for('inventory.device_details', id=dhid)
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self.get_context()
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self.get_objects()
if self.check_errors():
return flask.redirect(self.next_url)
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if request.method == 'POST':
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return self.post()
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self.context.update(
{
'new_placeholder': self.new_placeholder,
'old_placeholder': self.old_placeholder,
'page_title': 'Binding confirm',
'actions': list(self.old_device.actions)
+ list(self.new_device.actions),
'tags': list(self.old_device.tags) + list(self.new_device.tags),
'dhid': self.dhid,
}
)
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return flask.render_template(self.template_name, **self.context)
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def check_errors(self):
if not self.new_placeholder:
messages.error('Device Phid: "{}" not exist!'.format(self.phid))
return True
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if self.old_device.placeholder.status != 'Snapshot':
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messages.error(
'Device Dhid: "{}" is not a Snapshot device!'.format(self.dhid)
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)
return True
if self.new_placeholder.status == 'Twin':
messages.error('Device Phid: "{}" is a Twin device!'.format(self.phid))
return True
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if self.new_placeholder.status == self.old_placeholder.status:
txt = 'Device Phid: "{}" and device Dhid: "{}" have the same status, "{}"!'.format(
self.phid, self.dhid, self.new_placeholder.status
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)
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messages.error(txt)
return True
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def get_objects(self):
self.old_device = (
Device.query.filter(Device.owner_id == g.user.id)
.filter(Device.devicehub_id == self.dhid)
.one()
)
self.new_placeholder = (
Placeholder.query.filter(Placeholder.owner_id == g.user.id)
.filter(Placeholder.phid == self.phid)
.first()
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)
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if not self.new_placeholder:
return
if self.old_device.placeholder.status == 'Snapshot':
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self.new_device = self.new_placeholder.device
self.old_placeholder = self.old_device.placeholder
elif self.old_device.placeholder.status == 'Placeholder':
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self.new_device = self.old_device
self.old_placeholder = self.new_placeholder
self.old_device = self.old_placeholder.device
self.new_placeholder = self.new_device.placeholder
self.abstract_device = self.old_placeholder.binding
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self.real_dhid = self.new_device.devicehub_id
self.real_phid = self.new_placeholder.phid
self.abstract_dhid = self.old_device.devicehub_id
self.abstract_phid = self.old_placeholder.phid
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if self.old_placeholder.kangaroo:
self.new_placeholder.kangaroo = True
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# to do a backup of abstract_dhid and abstract_phid in
# workbench device
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if self.abstract_device:
self.abstract_device.dhid_bk = self.abstract_dhid
self.abstract_device.phid_bk = self.abstract_phid
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def post(self):
for plog in PlaceholdersLog.query.filter_by(
placeholder_id=self.old_placeholder.id
):
db.session.delete(plog)
for ac in self.old_device.actions:
ac.devices.add(self.new_device)
ac.devices.remove(self.old_device)
for act in ac.actions_device:
if act.device == self.old_device:
db.session.delete(act)
for tag in list(self.old_device.tags):
tag.device = self.new_device
db.session.delete(self.old_device)
self.abstract_device.binding = self.new_placeholder
db.session.commit()
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next_url = url_for('inventory.device_details', id=self.real_dhid)
txt = 'Device placeholder with PHID: {} and DHID: {} bind successfully with '
txt += 'device snapshot PHID: {} DHID: {}.'
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messages.success(
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txt.format(
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self.real_phid, self.real_dhid, self.abstract_phid, self.abstract_dhid
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)
)
return flask.redirect(next_url)
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class UnBindingView(GenericMixin):
methods = ['GET', 'POST']
decorators = [login_required]
template_name = 'inventory/unbinding.html'
def dispatch_request(self, phid):
placeholder = (
Placeholder.query.filter(Placeholder.owner_id == g.user.id)
.filter(Placeholder.phid == phid)
.one()
)
if not placeholder.binding or placeholder.status != 'Twin':
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next_url = url_for(
'inventory.device_details', id=placeholder.device.devicehub_id
)
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return flask.redirect(next_url)
if placeholder.status != 'Twin':
dhid = placeholder.device.devicehub_id
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next_url = url_for('inventory.device_details', id=dhid)
messages.error('Device Dhid: "{}" not is a Twin device!'.format(dhid))
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return flask.redirect(next_url)
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self.get_context()
if request.method == 'POST':
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dhid = placeholder.device.devicehub_id
self.clone_device(placeholder.binding)
next_url = url_for('inventory.device_details', id=dhid)
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messages.success(
'Device with PHID:"{}" and DHID: {} unbind successfully!'.format(
phid, dhid
)
)
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return flask.redirect(next_url)
self.context.update(
{
'placeholder': placeholder,
'page_title': 'Unbinding confirm',
}
)
return flask.render_template(self.template_name, **self.context)
def clone_device(self, device):
if device.binding and device.binding.is_abstract:
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return
kangaroo = False
if device.binding:
kangaroo = device.binding.kangaroo
device.binding.kangaroo = False
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dict_device = copy.copy(device.__dict__)
dict_device.pop('_sa_instance_state')
dict_device.pop('id', None)
dict_device.pop('devicehub_id', None)
dict_device.pop('actions_multiple', None)
dict_device.pop('actions_one', None)
dict_device.pop('components', None)
dict_device.pop('tags', None)
dict_device.pop('system_uuid', None)
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dict_device.pop('binding', None)
dict_device.pop('placeholder', None)
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new_device = device.__class__(**dict_device)
db.session.add(new_device)
if hasattr(device, 'components'):
for c in device.components:
if c.binding:
c.binding.device.parent = new_device
else:
new_c = self.clone_device(c)
new_c.parent = new_device
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placeholder = Placeholder(
device=new_device, binding=device, is_abstract=True, kangaroo=kangaroo
)
if (
device.dhid_bk
and not Device.query.filter_by(devicehub_id=device.dhid_bk).first()
):
new_device.devicehub_id = device.dhid_bk
if (
device.phid_bk
and not Placeholder.query.filter_by(phid=device.phid_bk).first()
):
placeholder.phid = device.phid_bk
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db.session.add(placeholder)
db.session.commit()
return new_device
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class LotCreateView(GenericMixin):
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methods = ['GET', 'POST']
decorators = [login_required]
template_name = 'inventory/lot.html'
title = "Add a new lot"
def dispatch_request(self):
form = LotForm()
if form.validate_on_submit():
form.save()
next_url = url_for('inventory.lotdevicelist', lot_id=form.id)
return flask.redirect(next_url)
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self.get_context()
self.context.update(
{
'form': form,
'title': self.title,
}
)
return flask.render_template(self.template_name, **self.context)
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class LotUpdateView(GenericMixin):
methods = ['GET', 'POST']
decorators = [login_required]
template_name = 'inventory/lot.html'
title = "Edit a new lot"
def dispatch_request(self, id):
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form = LotForm(id=id)
if form.validate_on_submit():
form.save()
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()
self.context.update(
{
'form': form,
'title': self.title,
}
)
return flask.render_template(self.template_name, **self.context)
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class LotDeleteView(View):
methods = ['GET']
decorators = [login_required]
template_name = 'inventory/device_list.html'
def dispatch_request(self, id):
form = LotForm(id=id)
if form.instance.trade:
msg = "Sorry, the lot cannot be deleted because have a trade action "
messages.error(msg)
next_url = url_for('inventory.lotdevicelist', lot_id=id)
return flask.redirect(next_url)
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form.remove()
next_url = url_for('inventory.devicelist')
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return flask.redirect(next_url)
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class UploadSnapshotView(GenericMixin):
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methods = ['GET', 'POST']
decorators = [login_required]
template_name = 'inventory/upload_snapshot.html'
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(
{
'page_title': 'Upload Snapshot',
'form': form,
'lot_id': lot_id,
}
)
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if form.validate_on_submit():
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snapshot, devices = form.save(commit=False)
if lot_id:
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lots = self.context['lots']
lot = lots.filter(Lot.id == lot_id).one()
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for dev in devices:
lot.devices.add(dev)
db.session.add(lot)
db.session.commit()
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return flask.render_template(self.template_name, **self.context)
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class DeviceCreateView(GenericMixin):
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methods = ['GET', 'POST']
decorators = [login_required]
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(
{
'page_title': 'New Device',
'form': form,
'lot_id': lot_id,
}
)
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if form.validate_on_submit():
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form.save(commit=False)
next_url = url_for('inventory.devicelist')
if lot_id:
next_url = url_for('inventory.lotdevicelist', lot_id=lot_id)
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if form.objs:
lots = self.context['lots']
lot = lots.filter(Lot.id == lot_id).one()
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lot.devices = lot.devices.union(form.objs)
else:
messages.error('Sorry, the device could not be created')
db.session.commit()
amount = form.amount.data
tpy = form.type.data
txt = f'{amount} placeholders Device "{tpy}" created successfully.'
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placeholder = (
Placeholder.query.filter(Placeholder.owner == g.user)
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.order_by(Placeholder.id.desc())
.first()
)
if amount == 1 and placeholder:
phid = placeholder.phid
dhid = placeholder.device.devicehub_id
txt = f'Device "{tpy}" placeholder with PHID {phid} and DHID {dhid} '
txt += 'created successfully'
messages.success(txt)
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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 DeviceEditView(GenericMixin):
methods = ['GET', 'POST']
decorators = [login_required]
template_name = 'inventory/device_create.html'
def dispatch_request(self, id):
self.get_context()
device = (
Device.query.filter(Device.owner_id == current_user.id)
.filter(Device.devicehub_id == id)
.one()
)
form = NewDeviceForm(_obj=device)
self.context.update(
{
'page_title': 'Edit Device',
'form': form,
}
)
if form.validate_on_submit():
next_url = url_for('inventory.device_details', id=id)
form.save(commit=True)
messages.success('Device "{}" edited successfully!'.format(form.type.data))
return flask.redirect(next_url)
return flask.render_template(self.template_name, **self.context)
class TagLinkDeviceView(View):
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methods = ['POST']
decorators = [login_required]
def dispatch_request(self, dhid):
form = TagDeviceForm(dhid=dhid)
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if form.validate_on_submit():
tag = form.tag.data
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form.save()
next_url = url_for('inventory.device_details', id=dhid)
messages.success('Tag {} was linked successfully!'.format(tag))
return flask.redirect(next_url)
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class TagUnlinkDeviceView(GenericMixin):
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methods = ['POST', 'GET']
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decorators = [login_required]
template_name = 'inventory/tag_unlink_device.html'
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def dispatch_request(self, dhid):
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self.get_context()
form = TagDeviceForm(delete=True, dhid=dhid)
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if form.validate_on_submit():
form.remove()
next_url = url_for('inventory.device_details', id=dhid)
messages.success('Tag {} was unlinked successfully!'.format(form.tag.data))
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return flask.redirect(next_url)
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self.context.update(
{
'form': form,
'dhid': dhid,
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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):
methods = ['POST']
decorators = [login_required]
form_class = NewActionForm
def dispatch_request(self):
self.form = self.form_class()
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next_url = self.get_next_url()
if self.form.validate_on_submit():
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self.form.save()
messages.success(
'Action "{}" created successfully!'.format(self.form.type.data)
)
next_url = self.get_next_url()
return flask.redirect(next_url)
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messages.error('Action {} error!'.format(self.form.type.data))
return flask.redirect(next_url)
def get_next_url(self):
lot_id = self.form.lot.data
if lot_id:
return url_for('inventory.lotdevicelist', lot_id=lot_id)
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if url_for('inventory.alldevicelist') in (request.referrer or ''):
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return url_for('inventory.alldevicelist')
return url_for('inventory.devicelist')
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class NewAllocateView(DeviceListMixin, NewActionView):
methods = ['POST']
form_class = AllocateForm
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def dispatch_request(self):
self.form = self.form_class()
if self.form.validate_on_submit():
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self.form.save()
messages.success(
'Action "{}" created successfully!'.format(self.form.type.data)
)
next_url = self.get_next_url()
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():
value = ';'.join(v)
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key = self.form[k].label.text
messages.error('Action Error {key}: {value}!'.format(key=key, value=value))
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next_url = self.get_next_url()
return flask.redirect(next_url)
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class NewDataWipeView(DeviceListMixin, NewActionView):
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methods = ['POST']
form_class = DataWipeForm
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def dispatch_request(self):
self.form = self.form_class()
if self.form.validate_on_submit():
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self.form.save()
messages.success(
'Action "{}" created successfully!'.format(self.form.type.data)
)
next_url = self.get_next_url()
return flask.redirect(next_url)
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messages.error('Action {} error!'.format(self.form.type.data))
next_url = self.get_next_url()
return flask.redirect(next_url)
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class NewTradeView(DeviceListMixin, NewActionView):
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methods = ['POST']
form_class = TradeForm
def dispatch_request(self):
self.form = self.form_class()
if self.form.validate_on_submit():
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self.form.save()
messages.success(
'Action "{}" created successfully!'.format(self.form.type.data)
)
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next_url = self.get_next_url()
return flask.redirect(next_url)
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messages.error('Action {} error!'.format(self.form.type.data))
next_url = self.get_next_url()
return flask.redirect(next_url)
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class NewTradeDocumentView(GenericMixin):
methods = ['POST', 'GET']
decorators = [login_required]
template_name = 'inventory/trade_document.html'
form_class = TradeDocumentForm
title = "Add new document"
def dispatch_request(self, lot_id):
self.form = self.form_class(lot=lot_id)
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self.get_context()
if self.form.validate_on_submit():
self.form.save()
messages.success('Document created successfully!')
next_url = url_for('inventory.lotdevicelist', lot_id=lot_id)
return flask.redirect(next_url)
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self.context.update({'form': self.form, 'title': self.title})
return flask.render_template(self.template_name, **self.context)
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class NewTransferView(GenericMixin):
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methods = ['POST', 'GET']
template_name = 'inventory/new_transfer.html'
form_class = TransferForm
title = "Add new transfer"
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def dispatch_request(self, type_id, lot_id=None):
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self.form = self.form_class(lot_id=lot_id, type=type_id)
self.get_context()
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referrer = request.referrer or url_for('inventory.devicelist')
self.context.update({'referrer': referrer})
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if self.form.validate_on_submit():
self.form.save()
new_lot_id = lot_id
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(GenericMixin):
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methods = ['POST']
form_class = EditTransferForm
def dispatch_request(self, lot_id):
self.get_context()
form = self.form_class(request.form, lot_id=lot_id)
next_url = url_for('inventory.lotdevicelist', lot_id=lot_id)
if form.validate_on_submit():
form.save()
messages.success('Transfer updated successfully!')
return flask.redirect(next_url)
messages.error('Transfer updated error!')
for k, v in form.errors.items():
value = ';'.join(v)
key = form[k].label.text
messages.error('Error {key}: {value}!'.format(key=key, value=value))
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return flask.redirect(next_url)
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class ExportsView(View):
methods = ['GET']
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,
'devices': self.devices_list,
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'actions_erasures': self.actions_erasures,
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'certificates': self.erasure,
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'lots': self.lots_export,
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'devices_lots': self.devices_lots_export,
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'obada_standard': self.obada_standard_export,
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'snapshot': self.snapshot,
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}
if export_id not in export_ids:
return NotFound()
return export_ids[export_id]()
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def find_devices(self):
args = request.args.get('ids')
ids = args.split(',') if args else []
query = Device.query.filter(Device.owner == g.user)
return query.filter(Device.devicehub_id.in_(ids))
def response_csv(self, data, name):
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bfile = data.getvalue().encode('utf-8')
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# insert proof
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'
return output
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def devices_list(self):
"""Get device query and put information in csv format."""
data = StringIO()
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cw = csv.writer(
data,
delimiter=';',
lineterminator="\n",
quotechar='"',
quoting=csv.QUOTE_ALL,
)
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first = True
for device in self.find_devices():
d = DeviceRow(device, {})
if first:
cw.writerow(d.keys())
first = False
cw.writerow(d.values())
return self.response_csv(data, "export.csv")
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def obada_standard_export(self):
"""Get device information for Obada Standard."""
data = StringIO()
cw = csv.writer(
data,
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delimiter=',',
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lineterminator="\n",
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quotechar='',
quoting=csv.QUOTE_NONE,
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)
cw.writerow(['Manufacturer', 'Model', 'Serial Number'])
for device in self.find_devices():
if device.placeholder:
if not device.placeholder.binding:
continue
device = device.placeholder.binding
d = [
device.manufacturer,
device.model,
device.serial_number,
]
cw.writerow(d)
return self.response_csv(data, "obada_standard.csv")
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def metrics(self):
"""Get device query and put information in csv format."""
data = StringIO()
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cw = csv.writer(
data,
delimiter=';',
lineterminator="\n",
quotechar='"',
quoting=csv.QUOTE_ALL,
)
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first = True
devs_id = []
# Get the allocate info
for device in self.find_devices():
devs_id.append(device.id)
for allocate in device.get_metrics():
d = ActionRow(allocate)
if first:
cw.writerow(d.keys())
first = False
cw.writerow(d.values())
# Get the trade info
query_trade = Trade.query.filter(
Trade.devices.any(Device.id.in_(devs_id))
).all()
lot_id = request.args.get('lot')
if lot_id and not query_trade:
lot = Lot.query.filter_by(id=lot_id).one()
if hasattr(lot, "trade") and lot.trade:
if g.user in [lot.trade.user_from, lot.trade.user_to]:
query_trade = [lot.trade]
for trade in query_trade:
data_rows = trade.get_metrics()
for row in data_rows:
d = ActionRow(row)
if first:
cw.writerow(d.keys())
first = False
cw.writerow(d.values())
return self.response_csv(data, "actions_export.csv")
def erasure(self):
template = self.build_erasure_certificate()
res = flask_weasyprint.render_pdf(
flask_weasyprint.HTML(string=template),
download_filename='erasure-certificate.pdf',
)
insert_hash(res.data)
return res
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def actions_erasures(self):
data = StringIO()
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cw = csv.writer(
data,
delimiter=';',
lineterminator="\n",
quotechar='"',
quoting=csv.QUOTE_ALL,
)
cw.writerow(
[
'Data Storage Serial',
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'DHID',
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'Snapshot ID',
'Type of Erasure',
'PHID Erasure Host',
'Result',
'Time',
]
)
args = request.args.get('ids')
ids = args.split(',') if args else []
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ids = [id.strip() for id in ids]
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query = EraseBasic.query.filter_by(author=g.user)
query = query.filter(EraseBasic.id.in_(ids))
query = query.order_by(EraseBasic.created.desc())
for ac in query:
row = [
ac.device.serial_number.upper(),
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ac.device.dhid,
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ac.snapshot.uuid,
ac.type,
ac.get_phid(),
ac.severity,
ac.created.strftime('%Y-%m-%d %H:%M:%S'),
]
cw.writerow(row)
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return self.response_csv(data, "Erasures.csv")
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def build_erasure_certificate(self):
erasures = []
for device in self.find_devices():
if device.placeholder and device.placeholder.binding:
device = device.placeholder.binding
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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)
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def lots_export(self):
data = StringIO()
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cw = csv.writer(
data,
delimiter=';',
lineterminator="\n",
quotechar='"',
quoting=csv.QUOTE_ALL,
)
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cw.writerow(
[
'Lot Id',
'Lot Name',
'Lot Type',
'Transfer Status',
'Transfer Code',
'Transfer Date',
'Transfer Creation Date',
'Transfer Update Date',
'Transfer Description',
'Devices Number',
'Devices Snapshots',
'Devices Placeholders',
'Delivery Note Number',
'Delivery Note Date',
'Delivery Note Units',
'Delivery Note Weight',
'Receiver Note Number',
'Receiver Note Date',
'Receiver Note Units',
'Receiver Note Weight',
]
)
for lot in Lot.query.filter_by(owner=g.user):
delivery_note = lot.transfer and lot.transfer.delivery_note or ''
receiver_note = lot.transfer and lot.transfer.receiver_note or ''
wb_devs = 0
placeholders = 0
for dev in lot.devices:
snapshots = [e for e in dev.actions if e.type == 'Snapshot']
if not snapshots or snapshots[-1].software not in [
SnapshotSoftware.Workbench
]:
placeholders += 1
elif snapshots[-1].software in [SnapshotSoftware.Workbench]:
wb_devs += 1
row = [
lot.id,
lot.name,
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lot.type_transfer(),
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lot.transfer and (lot.transfer.closed and 'Closed' or 'Open') or '',
lot.transfer and lot.transfer.code or '',
lot.transfer and lot.transfer.date or '',
lot.transfer and lot.transfer.created or '',
lot.transfer and lot.transfer.updated or '',
lot.transfer and lot.transfer.description or '',
len(lot.devices),
wb_devs,
placeholders,
delivery_note and delivery_note.number or '',
delivery_note and delivery_note.date or '',
delivery_note and delivery_note.units or '',
delivery_note and delivery_note.weight or '',
receiver_note and receiver_note.number or '',
receiver_note and receiver_note.date or '',
receiver_note and receiver_note.units or '',
receiver_note and receiver_note.weight or '',
]
cw.writerow(row)
return self.response_csv(data, "lots_export.csv")
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def devices_lots_export(self):
data = StringIO()
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cw = csv.writer(
data,
delimiter=';',
lineterminator="\n",
quotechar='"',
quoting=csv.QUOTE_ALL,
)
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head = [
'DHID',
'Lot Id',
'Lot Name',
'Lot Type',
'Transfer Status',
'Transfer Code',
'Transfer Date',
'Transfer Creation Date',
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'Transfer Update Date',
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]
cw.writerow(head)
for dev in self.find_devices():
for lot in dev.lots:
row = [
dev.devicehub_id,
lot.id,
lot.name,
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lot.type_transfer(),
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lot.transfer and (lot.transfer.closed and 'Closed' or 'Open') or '',
lot.transfer and lot.transfer.code or '',
lot.transfer and lot.transfer.date or '',
lot.transfer and lot.transfer.created or '',
lot.transfer and lot.transfer.updated or '',
]
cw.writerow(row)
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return self.response_csv(
data, "Devices_Incoming_and_Outgoing_Lots_Spreadsheet.csv"
)
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def snapshot(self):
uuid = request.args.get('id')
if not uuid:
messages.error('Snapshot not exist!')
return flask.redirect(request.referrer)
user = g.user.email
name_file = f"*_{user}_{uuid}.json"
tmp_snapshots = app.config['TMP_SNAPSHOTS']
path_dir_base = os.path.join(tmp_snapshots, user)
for _file in Path(path_dir_base).glob(name_file):
with open(_file) as file_snapshot:
snapshot = file_snapshot.read()
data = StringIO()
data.write(snapshot)
bfile = data.getvalue().encode('utf-8')
output = make_response(bfile)
output.headers['Content-Disposition'] = 'attachment; filename={}'.format(
name_file
)
output.headers['Content-type'] = 'text/json'
return output
messages.error('Snapshot not exist!')
return flask.redirect(request.referrer)
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class SnapshotListView(GenericMixin):
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template_name = 'inventory/snapshots_list.html'
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def dispatch_request(self):
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self.get_context()
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self.context['page_title'] = "Snapshots Logs"
self.context['snapshots_log'] = self.get_snapshots_log()
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return flask.render_template(self.template_name, **self.context)
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def get_snapshots_log(self):
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page = int(request.args.get('page', 1))
per_page = int(request.args.get('per_page', PER_PAGE))
snapshots_log = SnapshotsLog.query.filter(
SnapshotsLog.owner == g.user
).order_by(SnapshotsLog.created.desc())
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snapshots_log = snapshots_log.paginate(page=page, per_page=per_page)
snapshots_log.first = per_page * snapshots_log.page - per_page + 1
snapshots_log.last = len(snapshots_log.items) + snapshots_log.first - 1
return snapshots_log
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class SnapshotDetailView(GenericMixin):
template_name = 'inventory/snapshot_detail.html'
def dispatch_request(self, snapshot_uuid):
self.snapshot_uuid = snapshot_uuid
self.get_context()
self.context['page_title'] = "Snapshot Detail"
self.context['snapshots_log'] = self.get_snapshots_log()
self.context['snapshot_uuid'] = snapshot_uuid
self.context['snapshot_sid'] = ''
if self.context['snapshots_log'].count():
self.context['snapshot_sid'] = self.context['snapshots_log'][0].sid
return flask.render_template(self.template_name, **self.context)
def get_snapshots_log(self):
return (
SnapshotsLog.query.filter(SnapshotsLog.owner == g.user)
.filter(SnapshotsLog.snapshot_uuid == self.snapshot_uuid)
.order_by(SnapshotsLog.created.desc())
)
class DeliveryNoteView(GenericMixin):
methods = ['POST']
form_class = NotesForm
def dispatch_request(self, lot_id):
self.get_context()
form = self.form_class(request.form, lot_id=lot_id, type='Delivery')
next_url = url_for('inventory.lotdevicelist', lot_id=lot_id)
if form.validate_on_submit():
form.save()
messages.success('Delivery Note updated successfully!')
return flask.redirect(next_url)
messages.error('Delivery Note updated error!')
for k, v in form.errors.items():
value = ';'.join(v)
key = form[k].label.text
messages.error('Error {key}: {value}!'.format(key=key, value=value))
return flask.redirect(next_url)
class ReceiverNoteView(GenericMixin):
methods = ['POST']
form_class = NotesForm
def dispatch_request(self, lot_id):
self.get_context()
form = self.form_class(request.form, lot_id=lot_id, type='Receiver')
next_url = url_for('inventory.lotdevicelist', lot_id=lot_id)
if form.validate_on_submit():
form.save()
messages.success('Receiver Note updated successfully!')
return flask.redirect(next_url)
messages.error('Receiver Note updated error!')
for k, v in form.errors.items():
value = ';'.join(v)
key = form[k].label.text
messages.error('Error {key}: {value}!'.format(key=key, value=value))
return flask.redirect(next_url)
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class UploadPlaceholderView(GenericMixin):
methods = ['GET', 'POST']
decorators = [login_required]
template_name = 'inventory/upload_placeholder.html'
def dispatch_request(self, lot_id=None):
self.get_context()
form = UploadPlaceholderForm()
self.context.update(
{
'page_title': 'Upload Placeholder',
'form': form,
'lot_id': lot_id,
}
)
if form.validate_on_submit():
snapshots = form.save(commit=False)
if lot_id:
lots = self.context['lots']
lot = lots.filter(Lot.id == lot_id).one()
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for device, p in snapshots:
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lot.devices.add(device)
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db.session.add(lot)
db.session.commit()
dev_new = form.dev_new
dev_update = form.dev_update
total = dev_new + dev_update
txt = 'Placeholders uploaded successfully!'
if dev_update == 0:
txt = f'A total of {total} Placeholders have been successfully'
txt += ' uploaded. All of them have been new registrations in'
txt += ' the system.'
if dev_new == 0:
txt = f'A total of {total} Placeholders have been successfully'
txt += ' uploaded. All of them are updates.'
if dev_new and dev_update:
txt = f'A total of {total} Placeholders have been successfully'
txt += f' uploaded. Among these {dev_new} are registered for '
txt += ' the first time in the system and another'
txt += f' {dev_update} have been updated.'
messages.success(txt)
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return flask.render_template(self.template_name, **self.context)
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class PlaceholderLogListView(GenericMixin):
template_name = 'inventory/placeholder_log_list.html'
def dispatch_request(self):
self.get_context()
self.context['page_title'] = "Placeholder Logs"
self.context['placeholders_log'] = self.get_placeholders_log()
return flask.render_template(self.template_name, **self.context)
def get_placeholders_log(self):
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page = int(request.args.get('page', 1))
per_page = int(request.args.get('per_page', PER_PAGE))
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placeholder_log = PlaceholdersLog.query.filter(
PlaceholdersLog.owner == g.user
).order_by(PlaceholdersLog.created.desc())
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placeholder_log = placeholder_log.paginate(page=page, per_page=per_page)
placeholder_log.first = per_page * placeholder_log.page - per_page + 1
placeholder_log.last = len(placeholder_log.items) + placeholder_log.first - 1
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return placeholder_log
devices.add_url_rule('/action/add/', view_func=NewActionView.as_view('action_add'))
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devices.add_url_rule('/action/trade/add/', view_func=NewTradeView.as_view('trade_add'))
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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'),
)
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devices.add_url_rule('/device/', view_func=DeviceListView.as_view('devicelist'))
devices.add_url_rule(
'/all/device/', view_func=AllDeviceListView.as_view('alldevicelist')
)
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devices.add_url_rule(
'/search/', view_func=AdvancedSearchView.as_view('advanced_search')
)
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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'))
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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'))
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devices.add_url_rule(
'/upload-snapshot/', view_func=UploadSnapshotView.as_view('upload_snapshot')
)
devices.add_url_rule(
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'/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(
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'/lot/<string:lot_id>/device/add/',
view_func=DeviceCreateView.as_view('lot_device_add'),
)
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devices.add_url_rule(
'/device/edit/<string:id>/', view_func=DeviceEditView.as_view('device_edit')
)
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devices.add_url_rule(
'/tag/devices/<string:dhid>/add/',
view_func=TagLinkDeviceView.as_view('tag_devices_add'),
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)
devices.add_url_rule(
'/tag/devices/<string:dhid>/del/',
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view_func=TagUnlinkDeviceView.as_view('tag_devices_del'),
)
devices.add_url_rule(
'/export/<string:export_id>/', view_func=ExportsView.as_view('export')
)
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devices.add_url_rule('/snapshots/', view_func=SnapshotListView.as_view('snapshotslist'))
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devices.add_url_rule(
'/snapshots/<string:snapshot_uuid>/',
view_func=SnapshotDetailView.as_view('snapshot_detail'),
)
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devices.add_url_rule(
'/lot/<string:lot_id>/transfer/<string:type_id>/',
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view_func=NewTransferView.as_view('lot_new_transfer'),
)
devices.add_url_rule(
'/lot/transfer/<string:type_id>/',
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view_func=NewTransferView.as_view('new_transfer'),
)
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devices.add_url_rule(
'/lot/<string:lot_id>/transfer/',
view_func=EditTransferView.as_view('edit_transfer'),
)
devices.add_url_rule(
'/lot/<string:lot_id>/deliverynote/',
view_func=DeliveryNoteView.as_view('delivery_note'),
)
devices.add_url_rule(
'/lot/<string:lot_id>/receivernote/',
view_func=ReceiverNoteView.as_view('receiver_note'),
)
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devices.add_url_rule(
'/upload-placeholder/',
view_func=UploadPlaceholderView.as_view('upload_placeholder'),
)
devices.add_url_rule(
'/lot/<string:lot_id>/upload-placeholder/',
view_func=UploadPlaceholderView.as_view('lot_upload_placeholder'),
)
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devices.add_url_rule(
'/placeholder-logs/', view_func=PlaceholderLogListView.as_view('placeholder_logs')
)
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devices.add_url_rule(
'/binding/<string:dhid>/<string:phid>/', view_func=BindingView.as_view('binding')
)
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devices.add_url_rule(
'/unbinding/<string:phid>/', view_func=UnBindingView.as_view('unbinding')
)
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devices.add_url_rule(
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'/device/<string:dhid>/binding/',
view_func=BindingSearchView.as_view('binding_search'),
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)
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devices.add_url_rule(
'/device/erasure/', view_func=ErasureListView.as_view('device_erasure_list')
)
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devices.add_url_rule(
'/device/erasure/<int:orphans>/',
view_func=ErasureListView.as_view('device_erasure_list_orphans'),
)