104 lines
4 KiB
Python
104 lines
4 KiB
Python
from contextlib import suppress
|
|
from distutils.version import StrictVersion
|
|
from typing import List
|
|
from uuid import UUID
|
|
|
|
from flask import current_app as app, request
|
|
from sqlalchemy.util import OrderedSet
|
|
from teal.marshmallow import ValidationError
|
|
from teal.resource import View
|
|
|
|
from ereuse_devicehub.db import db
|
|
from ereuse_devicehub.resources.device.models import Component, Computer
|
|
from ereuse_devicehub.resources.enums import SnapshotSoftware
|
|
from ereuse_devicehub.resources.event.models import Event, Snapshot, Rate, RateComputer, InvalidRangeForPrice, \
|
|
EreusePrice
|
|
from ereuse_devicehub.resources.event.rate.workbench.v1_0 import CannotRate
|
|
|
|
SUPPORTED_WORKBENCH = StrictVersion('11.0')
|
|
|
|
|
|
class EventView(View):
|
|
def post(self):
|
|
"""Posts an event."""
|
|
json = request.get_json(validate=False)
|
|
if not json or 'type' not in json:
|
|
raise ValidationError('Resource needs a type.')
|
|
# todo there should be a way to better get subclassess resource
|
|
# defs
|
|
resource_def = app.resources[json['type']]
|
|
e = resource_def.schema.load(json)
|
|
if json['type'] == Snapshot.t:
|
|
return self.snapshot(e, resource_def)
|
|
Model = db.Model._decl_class_registry.data[json['type']]()
|
|
event = Model(**e)
|
|
db.session.add(event)
|
|
db.session().final_flush()
|
|
ret = self.schema.jsonify(event)
|
|
ret.status_code = 201
|
|
db.session.commit()
|
|
return ret
|
|
|
|
def one(self, id: UUID):
|
|
"""Gets one event."""
|
|
event = Event.query.filter_by(id=id).one()
|
|
return self.schema.jsonify(event)
|
|
|
|
def snapshot(self, snapshot_json: dict, resource_def):
|
|
"""
|
|
Performs a Snapshot.
|
|
|
|
See `Snapshot` section in docs for more info.
|
|
"""
|
|
# Note that if we set the device / components into the snapshot
|
|
# model object, when we flush them to the db we will flush
|
|
# snapshot, and we want to wait to flush snapshot at the end
|
|
device = snapshot_json.pop('device') # type: Computer
|
|
components = None
|
|
if snapshot_json['software'] == SnapshotSoftware.Workbench:
|
|
components = snapshot_json.pop('components') # type: List[Component]
|
|
snapshot = Snapshot(**snapshot_json)
|
|
|
|
# Remove new events from devices so they don't interfere with sync
|
|
events_device = set(e for e in device.events_one)
|
|
device.events_one.clear()
|
|
if components:
|
|
events_components = tuple(set(e for e in c.events_one) for c in components)
|
|
for component in components:
|
|
component.events_one.clear()
|
|
|
|
assert not device.events_one
|
|
assert all(not c.events_one for c in components) if components else True
|
|
db_device, remove_events = resource_def.sync.run(device, components)
|
|
snapshot.device = db_device
|
|
snapshot.events |= remove_events | events_device # Set events to snapshot
|
|
# commit will change the order of the components by what
|
|
# the DB wants. Let's get a copy of the list so we preserve order
|
|
ordered_components = OrderedSet(x for x in snapshot.components)
|
|
|
|
# Add the new events to the db-existing devices and components
|
|
db_device.events_one |= events_device
|
|
if components:
|
|
for component, events in zip(ordered_components, events_components):
|
|
component.events_one |= events
|
|
snapshot.events |= events
|
|
|
|
# Compute ratings
|
|
if snapshot.software == SnapshotSoftware.Workbench:
|
|
try:
|
|
rate_computer, price = RateComputer.compute(device)
|
|
except CannotRate:
|
|
pass
|
|
else:
|
|
snapshot.events.add(rate_computer)
|
|
if price:
|
|
snapshot.events.add(price)
|
|
|
|
|
|
db.session.add(snapshot)
|
|
db.session().final_flush()
|
|
ret = self.schema.jsonify(snapshot) # transform it back
|
|
ret.status_code = 201
|
|
db.session.commit()
|
|
return ret
|