Esempio n. 1
0
class Tender(BaseTender):
    """ ESCO Tender model """

    class Options:
        namespace = "Tender"
        _parent_roles = BaseTender.Options.roles
        _all_forbidden = whitelist()

        _serializable_fields = whitelist(
            "tender_enquiryPeriod",
            "complaintPeriod",
            "next_check",
            "tender_minValue",
            "tender_guarantee",
            "tender_minimalStepPercentage",
            "tender_yearlyPaymentsPercentageRange",
            "tender_noticePublicationDate",
        )
        _edit_fields = _serializable_fields + whitelist(
            "procuringEntity",
            "tenderPeriod",
            "NBUdiscountRate",
            "items",
            "features",
            "yearlyPaymentsPercentageRange",
            "fundingKind",
            # fields below are not covered
            "hasEnquiries",
            "numberOfBidders",
            "minimalStepPercentage",
        )
        _read_only_fields = whitelist(
            "awards",
            "lots",
            "contracts",
            "auctionPeriod",
            "complaints",
            # fields below are not covered
            "auctionUrl",
            "awardPeriod",
            "questions",
            "cancellations",
            "qualifications",
            "qualificationPeriod",
        )

        _tendering_role = _parent_roles["view"] + _edit_fields + _read_only_fields
        _view_role = _tendering_role + whitelist("bids", "numberOfBids")
        _pre_qualifications_role = _view_role

        _esco_edit_forbidden = whitelist(
            "minValue",
            "tender_minValue",
            "minimalStep",
            "tender_minimalStep",
            "noticePublicationDate",
            "tender_noticePublicationDate",
        )
        _edit_role = _parent_roles["edit"] + _edit_fields - _esco_edit_forbidden

        roles = {
            "create": _parent_roles["create"] + _edit_fields + whitelist("lots") - _esco_edit_forbidden,
            "edit": _edit_role,
            "edit_draft": _edit_role + whitelist("status"),
            "edit_active.tendering": _edit_role,
            "edit_active.pre-qualification": whitelist("status"),
            "edit_active.pre-qualification.stand-still": _all_forbidden,
            "edit_active.auction": _all_forbidden,
            "edit_active.qualification": _all_forbidden,
            "edit_active.awarded": _all_forbidden,
            "edit_complete": _all_forbidden,
            "edit_unsuccessful": _all_forbidden,
            "edit_cancelled": _all_forbidden,
            "draft": _tendering_role,
            "active.tendering": _tendering_role,
            "active.qualification": _view_role,
            "active.awarded": _view_role,
            "complete": _view_role,
            "unsuccessful": _view_role,
            "cancelled": _view_role,
            "view": _view_role,
            "active.pre-qualification": _pre_qualifications_role,
            "active.pre-qualification.stand-still": _pre_qualifications_role,
            "active.auction": _pre_qualifications_role,
            "auction_view": _parent_roles["auction_view"]
            + whitelist(
                "NBUdiscountRate",
                "minimalStepPercentage",
                "yearlyPaymentsPercentageRange",
                "fundingKind",
                "procurementMethodType",
                "noticePublicationDate",
            ),
            "auction_post": _parent_roles["auction_post"],
            "auction_patch": _parent_roles["auction_patch"],
            "chronograph": _parent_roles["chronograph"],
            "chronograph_view": _parent_roles["chronograph_view"],
            "Administrator": _parent_roles["Administrator"] + whitelist("yearlyPaymentsPercentageRange"),
            "plain": _parent_roles["plain"],
            "listing": _parent_roles["listing"],
            "contracting": _parent_roles["contracting"],
            "default": _parent_roles["default"],
        }

    procurementMethodType = StringType(default="esco")
    title_en = StringType(required=True, min_length=1)

    items = ListType(
        ModelType(Item, required=True), required=True, min_size=1, validators=[validate_cpv_group, validate_items_uniq]
    )  # The goods and services to be purchased, broken into line items wherever possible. Items should not be duplicated, but a quantity of 2 specified instead.
    minValue = ModelType(
        Value, required=False, default={"amount": 0, "currency": "UAH", "valueAddedTaxIncluded": True}
    )  # The total estimated value of the procurement.

    enquiryPeriod = ModelType(EnquiryPeriod, required=False)
    tenderPeriod = ModelType(PeriodStartEndRequired, required=True)
    auctionPeriod = ModelType(TenderAuctionPeriod, default={})
    hasEnquiries = BooleanType()  # A Yes/No field as to whether enquiries were part of tender process.
    awardCriteria = StringType(default="ratedCriteria")
    awardPeriod = ModelType(Period)  # The date or period on which an award is anticipated to be made.
    numberOfBidders = IntType()  # The number of unique tenderers who participated in the tender
    bids = SifterListType(
        BidModelType(Bid),
        default=list(),
        filter_by="status",
        filter_in_values=["invalid", "invalid.pre-qualification", "deleted"],
    )  # A list of all the companies who entered submissions for the tender.
    procuringEntity = ModelType(
        ProcuringEntity, required=True
    )  # The entity managing the procurement, which may be different from the buyer who is paying / using the items being procured.
    awards = ListType(ModelType(Award, required=True), default=list())
    contracts = ListType(ModelType(Contract, required=True), default=list())
    minimalStep = ModelType(
        Value, required=False
    )  # Not required, blocked for create/edit, since we have minimalStepPercentage in esco
    minimalStepPercentage = DecimalType(
        required=True, min_value=Decimal("0.005"), max_value=Decimal("0.03"), precision=-5
    )
    questions = ListType(ModelType(Question, required=True), default=list())
    complaints = ListType(ComplaintModelType(Complaint, required=True), default=list())
    auctionUrl = URLType()
    cancellations = ListType(ModelType(Cancellation, required=True), default=list())
    features = ListType(ModelType(Feature, required=True), validators=[validate_features_uniq])
    lots = ListType(ModelType(Lot, required=True), default=list(), validators=[validate_lots_uniq])
    guarantee = ModelType(Guarantee)
    documents = ListType(
        ModelType(Document, required=True), default=list()
    )  # All documents and attachments related to the tender.
    qualifications = ListType(ModelType(Qualification, required=True), default=list())
    qualificationPeriod = ModelType(Period)
    status = StringType(
        choices=[
            "draft",
            "active.tendering",
            "active.pre-qualification",
            "active.pre-qualification.stand-still",
            "active.auction",
            "active.qualification",
            "active.awarded",
            "complete",
            "cancelled",
            "unsuccessful",
        ],
        default="active.tendering",
    )
    NBUdiscountRate = DecimalType(required=True, min_value=Decimal("0"), max_value=Decimal("0.99"), precision=-5)
    fundingKind = StringType(choices=["budget", "other"], required=True, default="other")
    yearlyPaymentsPercentageRange = DecimalType(
        required=True, default=Decimal("0.8"), min_value=Decimal("0"), max_value=Decimal("1"), precision=-5
    )
    noticePublicationDate = IsoDateTimeType()

    create_accreditations = (ACCR_3, ACCR_5)
    central_accreditations = (ACCR_5,)
    edit_accreditations = (ACCR_4,)

    special_fields = ["fundingKind", "yearlyPaymentsPercentageRange", "status"]
    procuring_entity_kinds = ["authority", "central", "defense", "general", "social", "special"]

    block_tender_complaint_status = OpenUATender.block_tender_complaint_status
    block_complaint_status = OpenUATender.block_complaint_status

    def import_data(self, raw_data, **kw):
        """
        Converts and imports the raw data into the instance of the model
        according to the fields in the model.
        :param raw_data:
            The data to be imported.
        """
        data = self.convert(raw_data, **kw)
        del_keys = [
            k for k in data.keys() if data[k] == self.__class__.fields[k].default or data[k] == getattr(self, k)
        ]
        for k in del_keys:
            if k in self.special_fields:
                # skip special fields :)
                continue
            del data[k]
        self._data.update(data)
        return self

    def __local_roles__(self):
        roles = dict([("{}_{}".format(self.owner, self.owner_token), "tender_owner")])
        for i in self.bids:
            roles["{}_{}".format(i.owner, i.owner_token)] = "bid_owner"
        return roles

    def __acl__(self):
        acl = [
            (Allow, "{}_{}".format(i.owner, i.owner_token), "create_qualification_complaint")
            for i in self.bids
            if i.status in ["active", "unsuccessful"]
        ]
        acl.extend(
            [
                (Allow, "{}_{}".format(i.owner, i.owner_token), "create_award_complaint")
                for i in self.bids
                if i.status == "active"
            ]
        )
        acl.extend(
            [
                (Allow, "{}_{}".format(self.owner, self.owner_token), "edit_complaint"),
                (Allow, "{}_{}".format(self.owner, self.owner_token), "edit_contract"),
                (Allow, "{}_{}".format(self.owner, self.owner_token), "upload_contract_documents"),
                (Allow, "{}_{}".format(self.owner, self.owner_token), "upload_qualification_documents"),
            ]
        )

        self._acl_cancellation_complaint(acl)

        return acl

    @serializable(serialized_name="enquiryPeriod", type=ModelType(EnquiryPeriod))
    def tender_enquiryPeriod(self):
        end_date = calculate_tender_business_date(self.tenderPeriod.endDate, -QUESTIONS_STAND_STILL, self)
        clarifications_until = calculate_clarif_business_date(end_date, ENQUIRY_STAND_STILL_TIME, self, True)
        return EnquiryPeriod(
            dict(
                startDate=self.tenderPeriod.startDate,
                endDate=end_date,
                invalidationDate=self.enquiryPeriod and self.enquiryPeriod.invalidationDate,
                clarificationsUntil=clarifications_until,
            )
        )

    @serializable(type=ModelType(Period))
    def complaintPeriod(self):
        end_date = calculate_complaint_business_date(self.tenderPeriod.endDate, -COMPLAINT_SUBMIT_TIME, self)
        return Period(dict(startDate=self.tenderPeriod.startDate, endDate=end_date))

    @serializable(serialize_when_none=False)
    def next_check(self):
        now = get_now()
        checks = []

        extend_next_check_by_complaint_period_ends(self, checks)

        if cancellation_block_tender(self):
            return min(checks).isoformat() if checks else None

        if (
            self.status == "active.tendering"
            and self.tenderPeriod.endDate
            and not has_unanswered_complaints(self)
            and not has_unanswered_questions(self)
        ):
            checks.append(self.tenderPeriod.endDate.astimezone(TZ))
        elif (
            self.status == "active.pre-qualification.stand-still"
            and self.qualificationPeriod
            and self.qualificationPeriod.endDate
        ):
            active_lots = [lot.id for lot in self.lots if lot.status == "active"] if self.lots else [None]
            if not any(
                [
                    i.status in self.block_complaint_status
                    for q in self.qualifications
                    for i in q.complaints
                    if q.lotID in active_lots
                ]
            ):
                checks.append(self.qualificationPeriod.endDate.astimezone(TZ))
        elif (
            not self.lots
            and self.status == "active.auction"
            and self.auctionPeriod
            and self.auctionPeriod.startDate
            and not self.auctionPeriod.endDate
        ):
            if now < self.auctionPeriod.startDate:
                checks.append(self.auctionPeriod.startDate.astimezone(TZ))
            else:
                auction_end_time = calc_auction_end_time(
                    self.numberOfBids, self.auctionPeriod.startDate
                ).astimezone(TZ)
                if now < auction_end_time:
                    checks.append(auction_end_time)
        elif self.lots and self.status == "active.auction":
            for lot in self.lots:
                if (
                    lot.status != "active"
                    or not lot.auctionPeriod
                    or not lot.auctionPeriod.startDate
                    or lot.auctionPeriod.endDate
                ):
                    continue
                if now < lot.auctionPeriod.startDate:
                    checks.append(lot.auctionPeriod.startDate.astimezone(TZ))
                else:
                    auction_end_time = calc_auction_end_time(
                        lot.numberOfBids, lot.auctionPeriod.startDate
                    ).astimezone(TZ)
                    if now < auction_end_time:
                        checks.append(auction_end_time)
        elif (
            not self.lots
            and self.status == "active.awarded"
            and not any([i.status in self.block_complaint_status for i in self.complaints])
            and not any([i.status in self.block_complaint_status for a in self.awards for i in a.complaints])
        ):
            standStillEnds = [
                a.complaintPeriod.endDate.astimezone(TZ)
                for a in self.awards
                if a.complaintPeriod and a.complaintPeriod.endDate
            ]
            last_award_status = self.awards[-1].status if self.awards else ""
            if standStillEnds and last_award_status == "unsuccessful":
                checks.append(max(standStillEnds))
        elif (
            self.lots
            and self.status in ["active.qualification", "active.awarded"]
            and not any([i.status in self.block_complaint_status and i.relatedLot is None for i in self.complaints])
        ):
            for lot in self.lots:
                if lot["status"] != "active":
                    continue
                lot_awards = [i for i in self.awards if i.lotID == lot.id]
                pending_complaints = any(
                    [i["status"] in self.block_complaint_status and i.relatedLot == lot.id for i in self.complaints]
                )
                pending_awards_complaints = any(
                    [i.status in self.block_complaint_status for a in lot_awards for i in a.complaints]
                )
                standStillEnds = [
                    a.complaintPeriod.endDate.astimezone(TZ)
                    for a in lot_awards
                    if a.complaintPeriod and a.complaintPeriod.endDate
                ]
                last_award_status = lot_awards[-1].status if lot_awards else ""
                if (
                    not pending_complaints
                    and not pending_awards_complaints
                    and standStillEnds
                    and last_award_status == "unsuccessful"
                ):
                    checks.append(max(standStillEnds))
        if self.status.startswith("active"):
            for award in self.awards:
                if award.status == "active" and not any([i.awardID == award.id for i in self.contracts]):
                    checks.append(award.date)

        return min(checks).isoformat() if checks else None

    @serializable
    def numberOfBids(self):
        """A property that is serialized by schematics exports."""
        return len([bid for bid in self.bids if bid.status in ("active", "pending")])

    @serializable(serialized_name="minValue", type=ModelType(Value))
    def tender_minValue(self):
        return (
            Value(
                dict(
                    amount=sum([i.minValue.amount for i in self.lots]),
                    currency=self.minValue.currency,
                    valueAddedTaxIncluded=self.minValue.valueAddedTaxIncluded,
                )
            )
            if self.lots
            else self.minValue
        )

    @serializable(serialized_name="guarantee", serialize_when_none=False, type=ModelType(Guarantee))
    def tender_guarantee(self):
        if self.lots:
            lots_amount = [i.guarantee.amount for i in self.lots if i.guarantee]
            if not lots_amount:
                return self.guarantee
            guarantee = {"amount": sum(lots_amount)}
            lots_currency = [i.guarantee.currency for i in self.lots if i.guarantee]
            guarantee["currency"] = lots_currency[0] if lots_currency else None
            if self.guarantee:
                guarantee["currency"] = self.guarantee.currency
            return Guarantee(guarantee)
        else:
            return self.guarantee

    @serializable(serialized_name="minimalStep", type=ModelType(Value), serialize_when_none=False)
    def tender_minimalStep(self):
        pass

    @serializable(serialized_name="minimalStepPercentage")
    def tender_minimalStepPercentage(self):
        return min([i.minimalStepPercentage for i in self.lots]) if self.lots else self.minimalStepPercentage

    @serializable(serialized_name="yearlyPaymentsPercentageRange")
    def tender_yearlyPaymentsPercentageRange(self):
        return (
            min([i.yearlyPaymentsPercentageRange for i in self.lots])
            if self.lots
            else self.yearlyPaymentsPercentageRange
        )

    @serializable(serialized_name="noticePublicationDate", serialize_when_none=False, type=IsoDateTimeType())
    def tender_noticePublicationDate(self):
        if not self.noticePublicationDate and self.status == "active.tendering":
            return self.get_root().request.now
        else:
            return self.noticePublicationDate

    def validate_items(self, data, items):
        cpv_336_group = items[0].classification.id[:3] == "336" if items else False
        if (
            not cpv_336_group
            and (data.get("revisions")[0].date if data.get("revisions") else get_now()) > CPV_ITEMS_CLASS_FROM
            and items
            and len(set([i.classification.id[:4] for i in items])) != 1
        ):
            raise ValidationError(u"CPV class of items should be identical")
        else:
            validate_cpv_group(items)

    def validate_features(self, data, features):
        if (
            features
            and data["lots"]
            and any(
                [
                    round(
                        vnmax(
                            [
                                i
                                for i in features
                                if i.featureOf == "tenderer"
                                or i.featureOf == "lot"
                                and i.relatedItem == lot["id"]
                                or i.featureOf == "item"
                                and i.relatedItem in [j.id for j in data["items"] if j.relatedLot == lot["id"]]
                            ]
                        ),
                        15,
                    )
                    > 0.25
                    for lot in data["lots"]
                ]
            )
        ):
            raise ValidationError(u"Sum of max value of all features for lot should be less then or equal to 25%")
        elif features and not data["lots"] and round(vnmax(features), 15) > 0.25:
            raise ValidationError(u"Sum of max value of all features should be less then or equal to 25%")

    def validate_auctionUrl(self, data, url):
        if url and data["lots"]:
            raise ValidationError(u"url should be posted for each lot")

    def validate_minimalStep(self, data, value):
        pass

    def validate_tenderPeriod(self, data, period):
        if period:
            if is_new_created(data):
                _validate_tender_period_start_date(data, period)
            _validate_tender_period_duration(data, period, TENDERING_DURATION)

    def validate_awardPeriod(self, data, period):
        if (
            period
            and period.startDate
            and data.get("auctionPeriod")
            and data.get("auctionPeriod").endDate
            and period.startDate < data.get("auctionPeriod").endDate
        ):
            raise ValidationError(u"period should begin after auctionPeriod")
        if (
            period
            and period.startDate
            and data.get("tenderPeriod")
            and data.get("tenderPeriod").endDate
            and period.startDate < data.get("tenderPeriod").endDate
        ):
            raise ValidationError(u"period should begin after tenderPeriod")

    def validate_lots(self, data, value):
        if len(set([lot.guarantee.currency for lot in value if lot.guarantee])) > 1:
            raise ValidationError(u"lot guarantee currency should be identical to tender guarantee currency")
        if len(set([lot.fundingKind for lot in value])) > 1:
            raise ValidationError(u"lot funding kind should be identical to tender funding kind")

    def validate_yearlyPaymentsPercentageRange(self, data, value):
        if data["fundingKind"] == "other" and value != Decimal("0.8"):
            raise ValidationError("when fundingKind is other, yearlyPaymentsPercentageRange should be equal 0.8")
        if data["fundingKind"] == "budget" and (value > Decimal("0.8") or value < Decimal("0")):
            raise ValidationError(
                "when fundingKind is budget, yearlyPaymentsPercentageRange should be less or equal 0.8, and more or equal 0"
            )

    def check_auction_time(self):
        if check_auction_period(self.auctionPeriod, self):
            self.auctionPeriod.startDate = None
        for lot in self.lots:
            if check_auction_period(lot.auctionPeriod, self):
                lot.auctionPeriod.startDate = None

    def invalidate_bids_data(self):
        self.check_auction_time()
        self.enquiryPeriod.invalidationDate = get_now()
        for bid in self.bids:
            if bid.status not in ["deleted", "draft"]:
                bid.status = "invalid"

    # Not required milestones
    def validate_milestones(self, data, value):
        pass
Esempio n. 2
0
class Tender(BaseTender):
    """ ESCO Tender model """
    class Options:
        roles = {
            'plain': plain_role,
            'create': create_role_eu + blacklist('minValue', 'tender_minValue', 'minimalStep', 'tender_minimalStep'),
            'edit': edit_role_eu + blacklist('minValue', 'tender_minValue', 'minimalStep', 'tender_minimalStep'),
            'edit_draft': edit_role_eu + blacklist('minValue', 'tender_minValue', 'minimalStep', 'tender_minimalStep'),
            'edit_active.tendering': edit_role_eu + blacklist('minValue', 'tender_minValue', 'minimalStep', 'tender_minimalStep'),
            'edit_active.pre-qualification': whitelist('status'),
            'edit_active.pre-qualification.stand-still': whitelist(),
            'edit_active.auction': whitelist(),
            'edit_active.qualification': whitelist(),
            'edit_active.awarded': whitelist(),
            'edit_complete': whitelist(),
            'edit_unsuccessful': whitelist(),
            'edit_cancelled': whitelist(),
            'view': view_role,
            'listing': listing_role,
            'auction_view': auction_view_role + whitelist('NBUdiscountRate', 'minimalStepPercentage'),
            'auction_post': auction_post_role,
            'auction_patch': auction_patch_role,
            'draft': enquiries_role,
            'active.tendering': enquiries_role,
            'active.pre-qualification': pre_qualifications_role,
            'active.pre-qualification.stand-still': pre_qualifications_role,
            'active.auction': pre_qualifications_role,
            'active.qualification': view_role,
            'active.awarded': view_role,
            'complete': view_role,
            'unsuccessful': view_role,
            'cancelled': view_role,
            'chronograph': chronograph_role,
            'chronograph_view': chronograph_view_role,
            'Administrator': Administrator_role,
            'default': schematics_default_role,
            'contracting': whitelist('doc_id', 'owner'),
        }

    procurementMethodType = StringType(default="esco")
    title_en = StringType(required=True, min_length=1)

    items = ListType(ModelType(Item), required=True, min_size=1, validators=[validate_cpv_group, validate_items_uniq])  # The goods and services to be purchased, broken into line items wherever possible. Items should not be duplicated, but a quantity of 2 specified instead.
    minValue = ModelType(Value, required=False, default={'amount': 0, 'currency': 'UAH', 'valueAddedTaxIncluded': True})  # The total estimated value of the procurement.

    enquiryPeriod = ModelType(EnquiryPeriod, required=False)
    tenderPeriod = ModelType(PeriodStartEndRequired, required=True)
    auctionPeriod = ModelType(TenderAuctionPeriod, default={})
    hasEnquiries = BooleanType()  # A Yes/No field as to whether enquiries were part of tender process.
    awardPeriod = ModelType(Period)  # The date or period on which an award is anticipated to be made.
    numberOfBidders = IntType()  # The number of unique tenderers who participated in the tender
    bids = SifterListType(BidModelType(Bid), default=list(), filter_by='status', filter_in_values=['invalid', 'invalid.pre-qualification', 'deleted'])  # A list of all the companies who entered submissions for the tender.
    procuringEntity = ModelType(ProcuringEntity, required=True)  # The entity managing the procurement, which may be different from the buyer who is paying / using the items being procured.
    awards = ListType(ModelType(Award), default=list())
    contracts = ListType(ModelType(Contract), default=list())
    minimalStep = ModelType(Value, required=False)  # Not required, blocked for create/edit, since we have minimalStepPercentage in esco
    minimalStepPercentage = FloatType(required=True, min_value=0.005, max_value=0.03)
    questions = ListType(ModelType(Question), default=list())
    complaints = ListType(ComplaintModelType(Complaint), default=list())
    auctionUrl = URLType()
    cancellations = ListType(ModelType(Cancellation), default=list())
    features = ListType(ModelType(Feature), validators=[validate_features_uniq])
    lots = ListType(ModelType(Lot), default=list(), validators=[validate_lots_uniq])
    guarantee = ModelType(Guarantee)
    documents = ListType(ModelType(Document), default=list())  # All documents and attachments related to the tender.
    qualifications = ListType(ModelType(Qualification), default=list())
    qualificationPeriod = ModelType(Period)
    status = StringType(choices=['draft', 'active.tendering', 'active.pre-qualification', 'active.pre-qualification.stand-still', 'active.auction',
                                 'active.qualification', 'active.awarded', 'complete', 'cancelled', 'unsuccessful'], default='active.tendering')
    NBUdiscountRate = FloatType(required=True, min_value=0, max_value=0.99)
    fundingKind = StringType(choices=['budget', 'other'])
    submissionMethodDetails = StringType(default="quick(mode:no-auction)")  # TODO: temporary decision, while esco auction is not ready. Remove after adding auction. Remove function "check_submission_method_details" in openprocurement.tender.esco.subscribers

    create_accreditation = 3
    edit_accreditation = 4
    procuring_entity_kinds = ['general', 'special', 'defense']
    block_tender_complaint_status = OpenUATender.block_tender_complaint_status
    block_complaint_status = OpenUATender.block_complaint_status

    def __local_roles__(self):
        roles = dict([('{}_{}'.format(self.owner, self.owner_token), 'tender_owner')])
        for i in self.bids:
            roles['{}_{}'.format(i.owner, i.owner_token)] = 'bid_owner'
        return roles

    def __acl__(self):
        acl = [
            (Allow, '{}_{}'.format(i.owner, i.owner_token), 'create_qualification_complaint')
            for i in self.bids
            if i.status in ['active', 'unsuccessful']
        ]
        acl.extend([
            (Allow, '{}_{}'.format(i.owner, i.owner_token), 'create_award_complaint')
            for i in self.bids
            if i.status == 'active'
        ])
        acl.extend([
            (Allow, '{}_{}'.format(self.owner, self.owner_token), 'edit_tender'),
            (Allow, '{}_{}'.format(self.owner, self.owner_token), 'upload_tender_documents'),
            (Allow, '{}_{}'.format(self.owner, self.owner_token), 'edit_complaint'),
        ])
        return acl

    @serializable(serialized_name="enquiryPeriod", type=ModelType(EnquiryPeriod))
    def tender_enquiryPeriod(self):
        endDate = calculate_business_date(self.tenderPeriod.endDate, -QUESTIONS_STAND_STILL, self)
        return EnquiryPeriod(dict(startDate=self.tenderPeriod.startDate,
                                  endDate=endDate,
                                  invalidationDate=self.enquiryPeriod and self.enquiryPeriod.invalidationDate,
                                  clarificationsUntil=calculate_business_date(endDate, ENQUIRY_STAND_STILL_TIME, self, True)))

    @serializable(type=ModelType(Period))
    def complaintPeriod(self):
        normalized_end = calculate_normalized_date(self.tenderPeriod.endDate, self)
        return Period(dict(startDate=self.tenderPeriod.startDate, endDate=calculate_business_date(normalized_end, -COMPLAINT_SUBMIT_TIME, self)))

    @serializable(serialize_when_none=False)
    def next_check(self):
        now = get_now()
        checks = []
        if self.status == 'active.tendering' and self.tenderPeriod.endDate and \
                not has_unanswered_complaints(self) and not has_unanswered_questions(self):
            checks.append(self.tenderPeriod.endDate.astimezone(TZ))
        elif self.status == 'active.pre-qualification.stand-still' and self.qualificationPeriod and self.qualificationPeriod.endDate:
            active_lots = [lot.id for lot in self.lots if lot.status == 'active'] if self.lots else [None]
            if not any([
                i.status in self.block_complaint_status
                for q in self.qualifications
                for i in q.complaints
                if q.lotID in active_lots
            ]):
                checks.append(self.qualificationPeriod.endDate.astimezone(TZ))
        elif not self.lots and self.status == 'active.auction' and self.auctionPeriod and self.auctionPeriod.startDate and not self.auctionPeriod.endDate:
            if now < self.auctionPeriod.startDate:
                checks.append(self.auctionPeriod.startDate.astimezone(TZ))
            elif now < calc_auction_end_time(self.numberOfBids, self.auctionPeriod.startDate).astimezone(TZ):
                checks.append(calc_auction_end_time(self.numberOfBids, self.auctionPeriod.startDate).astimezone(TZ))
        elif self.lots and self.status == 'active.auction':
            for lot in self.lots:
                if lot.status != 'active' or not lot.auctionPeriod or not lot.auctionPeriod.startDate or lot.auctionPeriod.endDate:
                    continue
                if now < lot.auctionPeriod.startDate:
                    checks.append(lot.auctionPeriod.startDate.astimezone(TZ))
                elif now < calc_auction_end_time(lot.numberOfBids, lot.auctionPeriod.startDate).astimezone(TZ):
                    checks.append(calc_auction_end_time(lot.numberOfBids, lot.auctionPeriod.startDate).astimezone(TZ))
        elif not self.lots and self.status == 'active.awarded' and not any([
                i.status in self.block_complaint_status
                for i in self.complaints
            ]) and not any([
                i.status in self.block_complaint_status
                for a in self.awards
                for i in a.complaints
            ]):
            standStillEnds = [
                a.complaintPeriod.endDate.astimezone(TZ)
                for a in self.awards
                if a.complaintPeriod.endDate
            ]
            last_award_status = self.awards[-1].status if self.awards else ''
            if standStillEnds and last_award_status == 'unsuccessful':
                checks.append(max(standStillEnds))
        elif self.lots and self.status in ['active.qualification', 'active.awarded'] and not any([
                i.status in self.block_complaint_status and i.relatedLot is None
                for i in self.complaints
            ]):
            for lot in self.lots:
                if lot['status'] != 'active':
                    continue
                lot_awards = [i for i in self.awards if i.lotID == lot.id]
                pending_complaints = any([
                    i['status'] in self.block_complaint_status and i.relatedLot == lot.id
                    for i in self.complaints
                ])
                pending_awards_complaints = any([
                    i.status in self.block_complaint_status
                    for a in lot_awards
                    for i in a.complaints
                ])
                standStillEnds = [
                    a.complaintPeriod.endDate.astimezone(TZ)
                    for a in lot_awards
                    if a.complaintPeriod.endDate
                ]
                last_award_status = lot_awards[-1].status if lot_awards else ''
                if not pending_complaints and not pending_awards_complaints and standStillEnds and last_award_status == 'unsuccessful':
                    checks.append(max(standStillEnds))
        if self.status.startswith('active'):
            for award in self.awards:
                if award.status == 'active' and not any([i.awardID == award.id for i in self.contracts]):
                    checks.append(award.date)
        return min(checks).isoformat() if checks else None

    @serializable
    def numberOfBids(self):
        """A property that is serialized by schematics exports."""
        return len([bid for bid in self.bids if bid.status in ("active", "pending",)])

    @serializable(serialized_name="minValue", type=ModelType(Value))
    def tender_minValue(self):
        return Value(dict(amount=sum([i.minValue.amount for i in self.lots]),
                          currency=self.minValue.currency,
                          valueAddedTaxIncluded=self.minValue.valueAddedTaxIncluded)) if self.lots else self.minValue

    @serializable(serialized_name="guarantee", serialize_when_none=False, type=ModelType(Guarantee))
    def tender_guarantee(self):
        if self.lots:
            lots_amount = [i.guarantee.amount for i in self.lots if i.guarantee]
            if not lots_amount:
                return self.guarantee
            guarantee = {'amount': sum(lots_amount)}
            lots_currency = [i.guarantee.currency for i in self.lots if i.guarantee]
            guarantee['currency'] = lots_currency[0] if lots_currency else None
            if self.guarantee:
                guarantee['currency'] = self.guarantee.currency
            return Guarantee(guarantee)
        else:
            return self.guarantee

    @serializable(serialized_name="minimalStep", type=ModelType(Value), serialize_when_none=False)
    def tender_minimalStep(self):
        pass
        # return Value(dict(amount=min([i.minimalStep.amount for i in self.lots]),
        #                   currency=self.minimalStep.currency,
        #                   valueAddedTaxIncluded=self.minimalStep.valueAddedTaxIncluded)) if self.lots else self.minimalStep

    @serializable(serialized_name="minimalStepPercentage")
    def tender_minimalStepPercentage(self):
        return min([i.minimalStepPercentage for i in self.lots]) if self.lots else self.minimalStepPercentage

    def validate_items(self, data, items):
        cpv_336_group = items[0].classification.id[:3] == '336' if items else False
        if not cpv_336_group and (data.get('revisions')[0].date if data.get('revisions') else get_now()) > CPV_ITEMS_CLASS_FROM and items and len(set([i.classification.id[:4] for i in items])) != 1:
            raise ValidationError(u"CPV class of items should be identical")
        else:
            validate_cpv_group(items)

    def validate_features(self, data, features):
        if features and data['lots'] and any([
            round(vnmax([
                i
                for i in features
                if i.featureOf == 'tenderer' or i.featureOf == 'lot' and i.relatedItem == lot['id'] or i.featureOf == 'item' and i.relatedItem in [j.id for j in data['items'] if j.relatedLot == lot['id']]
            ]), 15) > 0.3
            for lot in data['lots']
        ]):
            raise ValidationError(u"Sum of max value of all features for lot should be less then or equal to 30%")
        elif features and not data['lots'] and round(vnmax(features), 15) > 0.3:
            raise ValidationError(u"Sum of max value of all features should be less then or equal to 30%")

    def validate_auctionUrl(self, data, url):
        if url and data['lots']:
            raise ValidationError(u"url should be posted for each lot")

    def validate_minimalStep(self, data, value):
        if value and value.amount and data.get('minValue'):
            if data.get('minValue').currency != value.currency:
                raise ValidationError(u"currency should be identical to currency of minValue of tender")
            if data.get('minValue').valueAddedTaxIncluded != value.valueAddedTaxIncluded:
                raise ValidationError(u"valueAddedTaxIncluded should be identical to valueAddedTaxIncluded of minValue of tender")

    def validate_tenderPeriod(self, data, period):
        # if data['_rev'] is None when tender was created just now
        if not data['_rev'] and calculate_business_date(get_now(), -timedelta(minutes=10)) >= period.startDate:
            raise ValidationError(u"tenderPeriod.startDate should be in greater than current date")
        if period and calculate_business_date(period.startDate, TENDERING_DURATION, data) > period.endDate:
            raise ValidationError(u"tenderPeriod should be greater than {} days".format(TENDERING_DAYS))

    def validate_awardPeriod(self, data, period):
        if period and period.startDate and data.get('auctionPeriod') and data.get('auctionPeriod').endDate and period.startDate < data.get('auctionPeriod').endDate:
            raise ValidationError(u"period should begin after auctionPeriod")
        if period and period.startDate and data.get('tenderPeriod') and data.get('tenderPeriod').endDate and period.startDate < data.get('tenderPeriod').endDate:
            raise ValidationError(u"period should begin after tenderPeriod")

    def validate_lots(self, data, value):
        if len(set([lot.guarantee.currency for lot in value if lot.guarantee])) > 1:
            raise ValidationError(u"lot guarantee currency should be identical to tender guarantee currency")
        if len(set([lot.fundingKind for lot in value])) > 1:
            raise ValidationError(u"lot funding kind should be identical to tender funding kind")


    def check_auction_time(self):
        if self.auctionPeriod and self.auctionPeriod.startDate and self.auctionPeriod.shouldStartAfter \
                and self.auctionPeriod.startDate > calculate_business_date(parse_date(self.auctionPeriod.shouldStartAfter), AUCTION_PERIOD_TIME, self, True):
            self.auctionPeriod.startDate = None
        for lot in self.lots:
            if lot.auctionPeriod and lot.auctionPeriod.startDate and lot.auctionPeriod.shouldStartAfter \
                    and lot.auctionPeriod.startDate > calculate_business_date(parse_date(lot.auctionPeriod.shouldStartAfter), AUCTION_PERIOD_TIME, self, True):
                lot.auctionPeriod.startDate = None

    def invalidate_bids_data(self):
        self.check_auction_time()
        self.enquiryPeriod.invalidationDate = get_now()
        for bid in self.bids:
            if bid.status not in ["deleted", "draft"]:
                bid.status = "invalid"