141 lines
5.6 KiB
Python
141 lines
5.6 KiB
Python
import os
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import json
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from time import time
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from distutils.version import StrictVersion
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from typing import List
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from uuid import UUID
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from flask import current_app as app, request, g
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from sqlalchemy.util import OrderedSet
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from teal.marshmallow import ValidationError
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from teal.resource import View
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from ereuse_devicehub.db import db
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from ereuse_devicehub.resources.action.models import Action, RateComputer, Snapshot, VisualTest, \
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InitTransfer
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from ereuse_devicehub.resources.action.rate.v1_0 import CannotRate
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from ereuse_devicehub.resources.device.models import Component, Computer
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from ereuse_devicehub.resources.enums import SnapshotSoftware, Severity
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from ereuse_devicehub.resources.user.exceptions import InsufficientPermission
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SUPPORTED_WORKBENCH = StrictVersion('11.0')
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TMP_SNAPSHOTS = 'tmp/snapshots'
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def save_snapshot_in_file(snapshot_json):
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"""
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This function allow save a snapshot in json format un a TMP_SNAPSHOTS directory
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The file need to be saved with one name format with the stamptime and uuid joins
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"""
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if not os.path.isdir(TMP_SNAPSHOTS):
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os.system('mkdir -p {}'.format(TMP_SNAPSHOTS))
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name_file = "{uuid}_{time}.json".format(uuid=snapshot_json['uuid'], time=int(time()))
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path_name = "{tmp}/{file}".format(tmp=TMP_SNAPSHOTS, file=name_file)
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snapshot_file = open(path_name, 'w')
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snapshot_file.write(json.dumps(snapshot_json))
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snapshot_file.close()
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class ActionView(View):
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def post(self):
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"""Posts an action."""
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json = request.get_json(validate=False)
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if not json or 'type' not in json:
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raise ValidationError('Resource needs a type.')
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# todo there should be a way to better get subclassess resource
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# defs
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resource_def = app.resources[json['type']]
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a = resource_def.schema.load(json)
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if json['type'] == Snapshot.t:
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return self.snapshot(a, resource_def)
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if json['type'] == VisualTest.t:
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pass
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# TODO JN add compute rate with new visual test and old components device
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if json['type'] == InitTransfer.t:
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return self.transfer_ownership()
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Model = db.Model._decl_class_registry.data[json['type']]()
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action = Model(**a)
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db.session.add(action)
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db.session().final_flush()
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ret = self.schema.jsonify(action)
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ret.status_code = 201
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db.session.commit()
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return ret
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def one(self, id: UUID):
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"""Gets one action."""
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action = Action.query.filter_by(id=id).one()
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return self.schema.jsonify(action)
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def snapshot(self, snapshot_json: dict, resource_def):
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"""Performs a Snapshot.
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See `Snapshot` section in docs for more info.
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"""
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# Note that if we set the device / components into the snapshot
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# model object, when we flush them to the db we will flush
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# snapshot, and we want to wait to flush snapshot at the end
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device = snapshot_json.pop('device') # type: Computer
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components = None
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if snapshot_json['software'] == (SnapshotSoftware.Workbench or SnapshotSoftware.WorkbenchAndroid):
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components = snapshot_json.pop('components', None) # type: List[Component]
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snapshot = Snapshot(**snapshot_json)
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# Remove new actions from devices so they don't interfere with sync
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actions_device = set(e for e in device.actions_one)
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device.actions_one.clear()
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if components:
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actions_components = tuple(set(e for e in c.actions_one) for c in components)
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for component in components:
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component.actions_one.clear()
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assert not device.actions_one
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assert all(not c.actions_one for c in components) if components else True
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db_device, remove_actions = resource_def.sync.run(device, components)
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del device # Do not use device anymore
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snapshot.device = db_device
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snapshot.actions |= remove_actions | actions_device # Set actions to snapshot
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# commit will change the order of the components by what
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# the DB wants. Let's get a copy of the list so we preserve order
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ordered_components = OrderedSet(x for x in snapshot.components)
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# Add the new actions to the db-existing devices and components
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db_device.actions_one |= actions_device
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if components:
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for component, actions in zip(ordered_components, actions_components):
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component.actions_one |= actions
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snapshot.actions |= actions
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if snapshot.software == SnapshotSoftware.Workbench:
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# Check ownership of (non-component) device to from current.user
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if db_device.owner_id != g.user.id:
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raise InsufficientPermission()
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# Compute ratings
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try:
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rate_computer, price = RateComputer.compute(db_device)
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except CannotRate:
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pass
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else:
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snapshot.actions.add(rate_computer)
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if price:
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snapshot.actions.add(price)
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elif snapshot.software == SnapshotSoftware.WorkbenchAndroid:
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pass # TODO try except to compute RateMobile
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# Check if HID is null and add Severity:Warning to Snapshot
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if snapshot.device.hid is None:
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snapshot.severity = Severity.Warning
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db.session.add(snapshot)
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db.session().final_flush()
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ret = self.schema.jsonify(snapshot) # transform it back
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ret.status_code = 201
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db.session.commit()
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return ret
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def transfer_ownership(self):
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"""Perform a InitTransfer action to change author_id of device"""
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pass
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