import json import logging import flask import requests from ereuseapi.methods import API from flask import Blueprint from flask import current_app as app from flask import g, render_template, request, session from flask.json import jsonify from flask.views import View from ereuse_devicehub import __version__ from ereuse_devicehub.modules.dpp.models import Dpp from ereuse_devicehub.resources.device.models import Device logger = logging.getLogger(__name__) did = Blueprint('did', __name__, url_prefix='/did', template_folder='templates') class DidView(View): methods = ['GET', 'POST'] template_name = 'anonymous.html' def dispatch_request(self, id_dpp): self.dpp = None self.device = None self.get_ids(id_dpp) self.context = { 'version': __version__, 'oidc': 'oidc' in app.blueprints.keys(), 'user': g.user, 'path': request.path, 'last_dpp': None, 'before_dpp': None, 'rols': [], 'rol': None, } self.get_rols() self.get_rol() self.get_device() self.get_last_dpp() self.get_before_dpp() self.get_manuals() if self.accept_json(): return jsonify(self.get_result()) self.get_template() return render_template(self.template_name, **self.context) def get_template(self): rol = self.context.get('rol') if not rol: return tlmp = { "isOperator": "operator.html", "isVerifier": "verifier.html", } self.template_name = tlmp.get(rol, self.template_name) def accept_json(self): if 'json' in request.headers.get('Accept', []): return True if "application/json" in request.headers.get("Content-Type", []): return True return False def get_ids(self, id_dpp): self.id_dpp = None self.chid = id_dpp if len(id_dpp.split(":")) == 2: self.id_dpp = id_dpp self.chid = id_dpp.split(':')[0] def get_rols(self): rols = session.get('rols') if not g.user.is_authenticated and not rols: return [] if rols: self.context['rols'] = rols if 'dpp' not in app.blueprints.keys(): return [] if not session.get('token_dlt'): return [] token_dlt = session.get('token_dlt') api_dlt = app.config.get('API_DLT') if not token_dlt or not api_dlt: return [] api = API(api_dlt, token_dlt, "ethereum") result = api.check_user_roles() if result.get('Status') != 200: return [] if 'Success' not in result.get('Data', {}).get('status'): return [] rols = result.get('Data', {}).get('data', {}) self.context['rols'] = [(k, k) for k, v in rols.items() if v] def get_rol(self): rols = self.context.get('rols', []) rol = len(rols) == 1 and rols[0][0] or None if 'rol' in request.args and not rol: rol = dict(rols).get(request.args.get('rol')) self.context['rol'] = rol def get_device(self): if self.id_dpp: self.dpp = Dpp.query.filter_by(key=self.id_dpp).one() device = self.dpp.device else: device = Device.query.filter_by(chid=self.chid, active=True).first() if not device: return flask.abort(404) placeholder = device.binding or device.placeholder device_abstract = placeholder and placeholder.binding or device device_real = placeholder and placeholder.device or device self.device = device_abstract components = self.device.components if self.dpp: components = self.dpp.snapshot.components self.context.update( { 'placeholder': placeholder, 'device': self.device, 'device_abstract': device_abstract, 'device_real': device_real, 'components': components, } ) def get_last_dpp(self): dpps = sorted(self.device.dpps, key=lambda x: x.created) self.context['last_dpp'] = dpps and dpps[-1] or '' return self.context['last_dpp'] def get_before_dpp(self): if not self.dpp: self.context['before_dpp'] = '' return '' dpps = sorted(self.device.dpps, key=lambda x: x.created) before_dpp = '' for dpp in dpps: if dpp == self.dpp: break before_dpp = dpp self.context['before_dpp'] = before_dpp return before_dpp def get_result(self): components = [] data = { '@context': ['https://ereuse.org/dpp0.json'], 'document': {}, 'dpp': self.id_dpp, 'algorithm': "sha3_256", 'components': components, } result = {'data': data} if self.dpp: data['document'] = self.dpp.snapshot.json_hw last_dpp = self.get_last_dpp() url_last = '' if last_dpp: url_last = 'https://{host}/{did}'.format( did=last_dpp.key, host=app.config.get('HOST') ) data['url_last'] = url_last for c in self.dpp.snapshot.components: components.append({c.type: c.chid}) return result dpps = [] for d in self.device.dpps: rr = { 'dpp': d.key, 'document': d.snapshot.json_hw, 'algorithm': "sha3_256", } dpps.append(rr) return {'data': dpps} def get_manuals(self): manuals = { 'ifixit': [], 'icecat': [], 'details': {}, 'laer': [], 'energystar': {}, } try: params = { "manufacturer": self.device.manufacturer, "model": self.device.model, } self.params = json.dumps(params) manuals['ifixit'] = self.request_manuals('ifixit') manuals['icecat'] = self.request_manuals('icecat') manuals['laer'] = self.request_manuals('laer') manuals['energystar'] = self.request_manuals('energystar') or {} if manuals['icecat']: manuals['details'] = manuals['icecat'][0] except Exception as err: logger.error("Error: {}".format(err)) self.context['manuals'] = manuals self.parse_energystar() def parse_energystar(self): if not self.context.get('manuals', {}).get('energystar'): return # Defined in: # https://dev.socrata.com/foundry/data.energystar.gov/j7nq-iepp energy_types = [ 'functional_adder_allowances_kwh', 'tec_allowance_kwh', 'long_idle_watts', 'short_idle_watts', 'off_mode_watts', 'sleep_mode_watts', 'tec_of_model_kwh', 'tec_requirement_kwh', 'work_off_mode_watts', 'work_weighted_power_of_model_watts', ] energy = {} for field in energy_types: energy[field] = [] for e in self.context['manuals']['energystar']: for field in energy_types: for k, v in e.items(): if not v: continue if field in k: energy[field].append(v) for k, v in energy.items(): if not v: energy[k] = 0 continue tt = sum([float(i) for i in v]) energy[k] = round(tt / len(v), 2) self.context['manuals']['energystar'] = energy def request_manuals(self, prefix): url = app.config['URL_MANUALS'] if not url: return {} res = requests.post(url + "/" + prefix, self.params) if res.status_code > 299: return {} try: response = res.json() except Exception: response = {} return response did.add_url_rule('/', view_func=DidView.as_view('did'))