001// --------------------------------------------------------------------------------
002// Copyright 2002-2026 Echo Three, LLC
003//
004// Licensed under the Apache License, Version 2.0 (the "License");
005// you may not use this file except in compliance with the License.
006// You may obtain a copy of the License at
007//
008//     http://www.apache.org/licenses/LICENSE-2.0
009//
010// Unless required by applicable law or agreed to in writing, software
011// distributed under the License is distributed on an "AS IS" BASIS,
012// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013// See the License for the specific language governing permissions and
014// limitations under the License.
015// --------------------------------------------------------------------------------
016
017package com.echothree.model.control.vendor.server.logic;
018
019import com.echothree.control.user.vendor.common.spec.VendorItemUniversalSpec;
020import com.echothree.model.control.core.common.ComponentVendors;
021import com.echothree.model.control.core.common.EntityTypes;
022import com.echothree.model.control.core.common.exception.InvalidParameterCountException;
023import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
024import com.echothree.model.control.vendor.common.exception.UnknownVendorItemNameException;
025import com.echothree.model.control.vendor.server.control.VendorControl;
026import com.echothree.model.data.vendor.server.entity.VendorItem;
027import com.echothree.util.common.message.ExecutionErrors;
028import com.echothree.util.server.control.BaseLogic;
029import com.echothree.util.server.message.ExecutionErrorAccumulator;
030import com.echothree.util.server.persistence.EntityPermission;
031import com.echothree.util.server.validation.ParameterUtils;
032import javax.enterprise.context.ApplicationScoped;
033import javax.enterprise.inject.spi.CDI;
034import javax.inject.Inject;
035
036@ApplicationScoped
037public class VendorItemLogic
038        extends BaseLogic {
039
040    @Inject
041    VendorControl vendorControl;
042
043    @Inject
044    EntityInstanceLogic entityInstanceLogic;
045
046    @Inject
047    VendorLogic vendorLogic;
048
049    protected VendorItemLogic() {
050        super();
051    }
052
053    public static VendorItemLogic getInstance() {
054        return CDI.current().select(VendorItemLogic.class).get();
055    }
056
057    public VendorItem getVendorItemByUniversalSpec(final ExecutionErrorAccumulator eea, final VendorItemUniversalSpec universalSpec,
058            final EntityPermission entityPermission) {
059        var vendorName = universalSpec.getVendorName();
060        var partyName = universalSpec.getPartyName();
061        var nameParameterCount = ParameterUtils.getInstance().countNonNullParameters(vendorName, partyName);
062        var possibleEntitySpecs = entityInstanceLogic.countPossibleEntitySpecs(universalSpec);
063        VendorItem vendorItem = null;
064
065        if(nameParameterCount == 1 && possibleEntitySpecs == 0) {
066            var vendorItemName = universalSpec.getVendorItemName();
067
068            if(vendorItemName != null) {
069                var vendor = vendorLogic.getVendorByName(eea, vendorName, partyName, null);
070                var vendorParty = vendor.getParty();
071
072                vendorItem = vendorControl.getVendorItemByVendorPartyAndVendorItemName(vendorParty, vendorItemName, entityPermission);
073
074                if(vendorItem == null) {
075                    handleExecutionError(UnknownVendorItemNameException.class, eea, ExecutionErrors.UnknownVendorItemName.name(),
076                            vendor.getVendorName(), vendorItemName);
077
078                }
079            } else {
080                handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
081            }
082        } else if(nameParameterCount == 0 && possibleEntitySpecs == 1) {
083            var entityInstance = entityInstanceLogic.getEntityInstance(eea, universalSpec,
084                    ComponentVendors.ECHO_THREE.name(), EntityTypes.WorkflowStep.name());
085
086            if(eea == null || !eea.hasExecutionErrors()) {
087                vendorItem = vendorControl.getVendorItemByEntityInstance(entityInstance, entityPermission);
088            }
089        } else {
090            handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
091        }
092
093        return vendorItem;
094    }
095
096    public VendorItem getVendorItemByUniversalSpec(final ExecutionErrorAccumulator eea, final VendorItemUniversalSpec universalSpec) {
097        return getVendorItemByUniversalSpec(eea, universalSpec, EntityPermission.READ_ONLY);
098    }
099
100    public VendorItem getVendorItemByUniversalSpecForUpdate(final ExecutionErrorAccumulator eea, final VendorItemUniversalSpec universalSpec) {
101        return getVendorItemByUniversalSpec(eea, universalSpec, EntityPermission.READ_WRITE);
102    }
103
104}