245 lines
9.2 KiB
Python
245 lines
9.2 KiB
Python
import datetime
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import uuid
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from itertools import filterfalse
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import marshmallow
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from flask import g, current_app as app, render_template, request, Response
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from flask.json import jsonify
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from flask_sqlalchemy import Pagination
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from marshmallow import fields, fields as f, validate as v, Schema as MarshmallowSchema
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from teal import query
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from teal.cache import cache
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from teal.resource import View
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from ereuse_devicehub import auth
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from ereuse_devicehub.db import db
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from ereuse_devicehub.query import SearchQueryParser, things_response
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from ereuse_devicehub.resources import search
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from ereuse_devicehub.resources.action import models as actions
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from ereuse_devicehub.resources.device import states
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from ereuse_devicehub.resources.device.models import Device, Manufacturer, Computer
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from ereuse_devicehub.resources.device.search import DeviceSearch
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from ereuse_devicehub.resources.enums import SnapshotSoftware
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from ereuse_devicehub.resources.lot.models import LotDeviceDescendants
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from ereuse_devicehub.resources.tag.model import Tag
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class OfType(f.Str):
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def __init__(self, column: db.Column, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.column = column
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def _deserialize(self, value, attr, data):
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v = super()._deserialize(value, attr, data)
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return self.column.in_(app.resources[v].subresources_types)
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class RateQ(query.Query):
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rating = query.Between(actions.Rate._rating, f.Float())
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appearance = query.Between(actions.Rate._appearance, f.Float())
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functionality = query.Between(actions.Rate._functionality, f.Float())
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class TagQ(query.Query):
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id = query.Or(query.ILike(Tag.id), required=True)
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org = query.ILike(Tag.org)
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class LotQ(query.Query):
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id = query.Or(query.Equal(LotDeviceDescendants.ancestor_lot_id, fields.UUID()))
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class Filters(query.Query):
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id = query.Or(query.Equal(Device.id, fields.Integer()))
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type = query.Or(OfType(Device.type))
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model = query.ILike(Device.model)
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manufacturer = query.ILike(Device.manufacturer)
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serialNumber = query.ILike(Device.serial_number)
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# todo test query for rating (and possibly other filters)
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rating = query.Join((Device.id == actions.ActionWithOneDevice.device_id)
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& (actions.ActionWithOneDevice.id == actions.Rate.id),
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RateQ)
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tag = query.Join(Device.id == Tag.device_id, TagQ)
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# todo This part of the query is really slow
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# And forces usage of distinct, as it returns many rows
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# due to having multiple paths to the same
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lot = query.Join((Device.id == LotDeviceDescendants.device_id),
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LotQ)
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class Sorting(query.Sort):
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id = query.SortField(Device.id)
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created = query.SortField(Device.created)
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updated = query.SortField(Device.updated)
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class DeviceView(View):
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QUERY_PARSER = SearchQueryParser()
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class FindArgs(marshmallow.Schema):
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search = f.Str()
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filter = f.Nested(Filters, missing=[])
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sort = f.Nested(Sorting, missing=[Device.id.asc()])
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page = f.Integer(validate=v.Range(min=1), missing=1)
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def get(self, id):
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"""Devices view
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---
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description: Gets a device or multiple devices.
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parameters:
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- name: id
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type: integer
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in: path}
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description: The identifier of the device.
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responses:
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200:
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description: The device or devices.
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"""
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return super().get(id)
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def patch(self, id):
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dev = Device.query.filter_by(id=id).one()
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if isinstance(dev, Computer):
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resource_def = app.resources['Computer']
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# TODO check how to handle the 'actions_one'
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patch_schema = resource_def.SCHEMA(
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only=['ethereum_address', 'transfer_state', 'deliverynote_address', 'actions_one'], partial=True)
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json = request.get_json(schema=patch_schema)
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# TODO check how to handle the 'actions_one'
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json.pop('actions_one')
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if not dev:
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raise ValueError('Device non existent')
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for key, value in json.items():
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setattr(dev, key, value)
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db.session.commit()
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return Response(status=204)
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raise ValueError('Cannot patch a non computer')
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def one(self, id: int):
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"""Gets one device."""
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if not request.authorization:
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return self.one_public(id)
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else:
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return self.one_private(id)
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def one_public(self, id: int):
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device = Device.query.filter_by(id=id).one()
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return render_template('devices/layout.html', device=device, states=states)
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@auth.Auth.requires_auth
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def one_private(self, id: int):
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device = Device.query.filter_by(id=id).one()
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if hasattr(device, 'owner_id') and device.owner_id != g.user.id:
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device = {}
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return self.schema.jsonify(device)
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@auth.Auth.requires_auth
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# @cache(datetime.timedelta(minutes=1))
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def find(self, args: dict):
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"""Gets many devices."""
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# Compute query
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query = self.query(args)
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devices = query.paginate(page=args['page'], per_page=30) # type: Pagination
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return things_response(
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self.schema.dump(devices.items, many=True, nested=1),
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devices.page, devices.per_page, devices.total, devices.prev_num, devices.next_num
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)
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def query(self, args):
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query = Device.query.filter((Device.owner_id == g.user.id)).distinct()
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search_p = args.get('search', None)
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if search_p:
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properties = DeviceSearch.properties
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tags = DeviceSearch.tags
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query = query.join(DeviceSearch).filter(
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search.Search.match(properties, search_p) | search.Search.match(tags, search_p)
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).order_by(
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search.Search.rank(properties, search_p) + search.Search.rank(tags, search_p)
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)
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return query.filter(*args['filter']).order_by(*args['sort'])
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class DeviceMergeView(View):
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"""View for merging two devices
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Ex. ``device/<id>/merge/id=X``.
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"""
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class FindArgs(MarshmallowSchema):
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id = fields.Integer()
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def get_merge_id(self) -> uuid.UUID:
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args = self.QUERY_PARSER.parse(self.find_args, request, locations=('querystring',))
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return args['id']
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def post(self, id: uuid.UUID):
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device = Device.query.filter_by(id=id).one()
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with_device = Device.query.filter_by(id=self.get_merge_id()).one()
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self.merge_devices(device, with_device)
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db.session().final_flush()
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ret = self.schema.jsonify(device)
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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 merge_devices(self, base_device, with_device):
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"""Merge the current device with `with_device` by
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adding all `with_device` actions under the current device.
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This operation is highly costly as it forces refreshing
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many models in session.
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"""
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snapshots = sorted(
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filterfalse(lambda x: not isinstance(x, actions.Snapshot), (base_device.actions + with_device.actions)))
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workbench_snapshots = [s for s in snapshots if
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s.software == (SnapshotSoftware.Workbench or SnapshotSoftware.WorkbenchAndroid)]
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latest_snapshot_device = [d for d in (base_device, with_device) if d.id == snapshots[-1].device.id][0]
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latest_snapshotworkbench_device = \
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[d for d in (base_device, with_device) if d.id == workbench_snapshots[-1].device.id][0]
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# Adding actions of with_device
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with_actions_one = [a for a in with_device.actions if isinstance(a, actions.ActionWithOneDevice)]
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with_actions_multiple = [a for a in with_device.actions if isinstance(a, actions.ActionWithMultipleDevices)]
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for action in with_actions_one:
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if action.parent:
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action.parent = base_device
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else:
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base_device.actions_one.add(action)
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for action in with_actions_multiple:
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if action.parent:
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action.parent = base_device
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else:
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base_device.actions_multiple.add(action)
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# Keeping the components of latest SnapshotWorkbench
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base_device.components = latest_snapshotworkbench_device.components
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# Properties from latest Snapshot
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base_device.type = latest_snapshot_device.type
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base_device.hid = latest_snapshot_device.hid
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base_device.manufacturer = latest_snapshot_device.manufacturer
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base_device.model = latest_snapshot_device.model
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base_device.chassis = latest_snapshot_device.chassis
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class ManufacturerView(View):
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class FindArgs(marshmallow.Schema):
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search = marshmallow.fields.Str(required=True,
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# Disallow like operators
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validate=lambda x: '%' not in x and '_' not in x)
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@cache(datetime.timedelta(days=1))
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def find(self, args: dict):
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search = args['search']
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manufacturers = Manufacturer.query \
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.filter(Manufacturer.name.ilike(search + '%')) \
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.paginate(page=1, per_page=6) # type: Pagination
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return jsonify(
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items=app.resources[Manufacturer.t].schema.dump(
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manufacturers.items,
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many=True,
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nested=1
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)
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)
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