144 lines
4.7 KiB
Python
144 lines
4.7 KiB
Python
import datetime
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import marshmallow
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from flask import current_app as app, render_template, request
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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 as f, validate as v
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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.resources import search
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from ereuse_devicehub.resources.device.models import Device, Manufacturer
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from ereuse_devicehub.resources.device.search import DeviceSearch
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from ereuse_devicehub.resources.event.models import Rate
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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(Rate.rating, f.Float())
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appearance = query.Between(Rate.appearance, f.Float())
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functionality = query.Between(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 Filters(query.Query):
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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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rating = query.Join(Device.id == Rate.device_id, RateQ)
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tag = query.Join(Device.id == Tag.id, TagQ)
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class Sorting(query.Sort):
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created = query.SortField(Device.created)
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class DeviceView(View):
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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=[])
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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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"""
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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 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)
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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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return self.schema.jsonify(device)
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@auth.Auth.requires_auth
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def find(self, args: dict):
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"""Gets many devices."""
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search_p = args.get('search', None)
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query = Device.query
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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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query = query.filter(*args['filter']).order_by(*args['sort'])
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devices = query.paginate(page=args['page'], per_page=30) # type: Pagination
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ret = {
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'items': self.schema.dump(devices.items, many=True, nested=1),
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# todo pagination should be in Header like github
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# https://developer.github.com/v3/guides/traversing-with-pagination/
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'pagination': {
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'page': devices.page,
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'perPage': devices.per_page,
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'total': devices.total,
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'previous': devices.prev_num,
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'next': devices.next_num
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},
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'url': request.path
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}
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return jsonify(ret)
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class ManufacturerView(View):
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class FindArgs(marshmallow.Schema):
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name = 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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name = args['name']
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manufacturers = Manufacturer.query \
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.filter(Manufacturer.name.ilike(name + '%')) \
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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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