001// --------------------------------------------------------------------------------
002// Copyright 2002-2025 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.cancellationpolicy.server.logic;
018
019import com.echothree.control.user.cancellationpolicy.common.spec.CancellationKindUniversalSpec;
020import com.echothree.model.control.cancellationpolicy.common.exception.DuplicateCancellationKindNameException;
021import com.echothree.model.control.cancellationpolicy.common.exception.UnknownCancellationKindNameException;
022import com.echothree.model.control.cancellationpolicy.common.exception.UnknownDefaultCancellationKindException;
023import com.echothree.model.control.cancellationpolicy.server.control.CancellationPolicyControl;
024import com.echothree.model.control.core.common.ComponentVendors;
025import com.echothree.model.control.core.common.EntityTypes;
026import com.echothree.model.control.core.common.exception.InvalidParameterCountException;
027import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
028import com.echothree.model.data.cancellationpolicy.server.entity.CancellationKind;
029import com.echothree.model.data.party.server.entity.Language;
030import com.echothree.model.data.sequence.server.entity.SequenceType;
031import com.echothree.util.common.message.ExecutionErrors;
032import com.echothree.util.common.persistence.BasePK;
033import com.echothree.util.server.control.BaseLogic;
034import com.echothree.util.server.message.ExecutionErrorAccumulator;
035import com.echothree.util.server.persistence.EntityPermission;
036import com.echothree.util.server.persistence.Session;
037import javax.enterprise.context.ApplicationScoped;
038import javax.enterprise.inject.spi.CDI;
039
040@ApplicationScoped
041public class CancellationKindLogic
042        extends BaseLogic {
043
044    protected CancellationKindLogic() {
045        super();
046    }
047
048    public static CancellationKindLogic getInstance() {
049        return CDI.current().select(CancellationKindLogic.class).get();
050    }
051
052    public CancellationKind createCancellationKind(final ExecutionErrorAccumulator eea, final String cancellationKindName,
053            final SequenceType cancellationSequenceType, final Boolean isDefault, final Integer sortOrder, final Language language,
054            final String description, final BasePK createdBy) {
055        var cancellationControl = Session.getModelController(CancellationPolicyControl.class);
056        var cancellationKind = cancellationControl.getCancellationKindByName(cancellationKindName);
057
058        if(cancellationKind == null) {
059            cancellationKind = cancellationControl.createCancellationKind(cancellationKindName, cancellationSequenceType,
060                    isDefault, sortOrder, createdBy);
061
062            if(description != null) {
063                cancellationControl.createCancellationKindDescription(cancellationKind, language, description, createdBy);
064            }
065        } else {
066            handleExecutionError(DuplicateCancellationKindNameException.class, eea, ExecutionErrors.DuplicateCancellationKindName.name(), cancellationKindName);
067        }
068
069        return cancellationKind;
070    }
071
072    public CancellationKind getCancellationKindByName(final ExecutionErrorAccumulator eea, final String cancellationKindName,
073            final EntityPermission entityPermission) {
074        var cancellationControl = Session.getModelController(CancellationPolicyControl.class);
075        var cancellationKind = cancellationControl.getCancellationKindByName(cancellationKindName, entityPermission);
076
077        if(cancellationKind == null) {
078            handleExecutionError(UnknownCancellationKindNameException.class, eea, ExecutionErrors.UnknownCancellationKindName.name(), cancellationKindName);
079        }
080
081        return cancellationKind;
082    }
083
084    public CancellationKind getCancellationKindByName(final ExecutionErrorAccumulator eea, final String cancellationKindName) {
085        return getCancellationKindByName(eea, cancellationKindName, EntityPermission.READ_ONLY);
086    }
087
088    public CancellationKind getCancellationKindByNameForUpdate(final ExecutionErrorAccumulator eea, final String cancellationKindName) {
089        return getCancellationKindByName(eea, cancellationKindName, EntityPermission.READ_WRITE);
090    }
091
092    public CancellationKind getCancellationKindByUniversalSpec(final ExecutionErrorAccumulator eea,
093            final CancellationKindUniversalSpec universalSpec, boolean allowDefault, final EntityPermission entityPermission) {
094        CancellationKind cancellationKind = null;
095        var cancellationControl = Session.getModelController(CancellationPolicyControl.class);
096        var cancellationKindName = universalSpec.getCancellationKindName();
097        var parameterCount = (cancellationKindName == null ? 0 : 1) + EntityInstanceLogic.getInstance().countPossibleEntitySpecs(universalSpec);
098
099        switch(parameterCount) {
100            case 0 -> {
101                if(allowDefault) {
102                    cancellationKind = cancellationControl.getDefaultCancellationKind(entityPermission);
103
104                    if(cancellationKind == null) {
105                        handleExecutionError(UnknownDefaultCancellationKindException.class, eea, ExecutionErrors.UnknownDefaultCancellationKind.name());
106                    }
107                } else {
108                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
109                }
110            }
111            case 1 -> {
112                if(cancellationKindName == null) {
113                    var entityInstance = EntityInstanceLogic.getInstance().getEntityInstance(eea, universalSpec,
114                            ComponentVendors.ECHO_THREE.name(), EntityTypes.CancellationKind.name());
115
116                    if(!eea.hasExecutionErrors()) {
117                        cancellationKind = cancellationControl.getCancellationKindByEntityInstance(entityInstance, entityPermission);
118                    }
119                } else {
120                    cancellationKind = getCancellationKindByName(eea, cancellationKindName, entityPermission);
121                }
122            }
123            default ->
124                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
125        }
126
127        return cancellationKind;
128    }
129
130    public CancellationKind getCancellationKindByUniversalSpec(final ExecutionErrorAccumulator eea,
131            final CancellationKindUniversalSpec universalSpec, boolean allowDefault) {
132        return getCancellationKindByUniversalSpec(eea, universalSpec, allowDefault, EntityPermission.READ_ONLY);
133    }
134
135    public CancellationKind getCancellationKindByUniversalSpecForUpdate(final ExecutionErrorAccumulator eea,
136            final CancellationKindUniversalSpec universalSpec, boolean allowDefault) {
137        return getCancellationKindByUniversalSpec(eea, universalSpec, allowDefault, EntityPermission.READ_WRITE);
138    }
139
140}