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.subscription.server.logic;
018
019import com.echothree.control.user.subscription.common.spec.SubscriptionKindUniversalSpec;
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.subscription.common.exception.UnknownDefaultSubscriptionKindException;
025import com.echothree.model.control.subscription.common.exception.UnknownSubscriptionKindNameException;
026import com.echothree.model.control.subscription.server.control.SubscriptionControl;
027import com.echothree.model.data.subscription.server.entity.SubscriptionKind;
028import com.echothree.util.common.message.ExecutionErrors;
029import com.echothree.util.common.persistence.BasePK;
030import com.echothree.util.server.control.BaseLogic;
031import com.echothree.util.server.message.ExecutionErrorAccumulator;
032import com.echothree.util.server.persistence.EntityPermission;
033import javax.enterprise.context.ApplicationScoped;
034import javax.inject.Inject;
035
036@ApplicationScoped
037public class SubscriptionKindLogic
038        extends BaseLogic {
039
040    @Inject
041    SubscriptionControl subscriptionControl;
042
043    @Inject
044    EntityInstanceLogic entityInstanceLogic;
045
046    protected SubscriptionKindLogic() {
047        super();
048    }
049
050    public SubscriptionKind getSubscriptionKindByName(final ExecutionErrorAccumulator eea, final String subscriptionKindName,
051            final EntityPermission entityPermission) {
052        var subscriptionKind = subscriptionControl.getSubscriptionKindByName(subscriptionKindName, entityPermission);
053
054        if(subscriptionKind == null) {
055            handleExecutionError(UnknownSubscriptionKindNameException.class, eea, ExecutionErrors.UnknownSubscriptionKindName.name(), subscriptionKindName);
056        }
057
058        return subscriptionKind;
059    }
060
061    public SubscriptionKind getSubscriptionKindByName(final ExecutionErrorAccumulator eea, final String subscriptionKindName) {
062        return getSubscriptionKindByName(eea, subscriptionKindName, EntityPermission.READ_ONLY);
063    }
064
065    public SubscriptionKind getSubscriptionKindByNameForUpdate(final ExecutionErrorAccumulator eea, final String subscriptionKindName) {
066        return getSubscriptionKindByName(eea, subscriptionKindName, EntityPermission.READ_WRITE);
067    }
068
069    public SubscriptionKind getSubscriptionKindByUniversalSpec(final ExecutionErrorAccumulator eea,
070            final SubscriptionKindUniversalSpec universalSpec, boolean allowDefault, final EntityPermission entityPermission) {
071        SubscriptionKind subscriptionKind = null;
072        var subscriptionKindName = universalSpec.getSubscriptionKindName();
073        var parameterCount = (subscriptionKindName == null ? 0 : 1) + entityInstanceLogic.countPossibleEntitySpecs(universalSpec);
074
075        switch(parameterCount) {
076            case 0 -> {
077                if(allowDefault) {
078                    subscriptionKind = subscriptionControl.getDefaultSubscriptionKind(entityPermission);
079
080                    if(subscriptionKind == null) {
081                        handleExecutionError(UnknownDefaultSubscriptionKindException.class, eea, ExecutionErrors.UnknownDefaultSubscriptionKind.name());
082                    }
083                } else {
084                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
085                }
086            }
087            case 1 -> {
088                if(subscriptionKindName == null) {
089                    var entityInstance = entityInstanceLogic.getEntityInstance(eea, universalSpec,
090                            ComponentVendors.ECHO_THREE.name(), EntityTypes.SubscriptionKind.name());
091
092                    if(eea == null || !eea.hasExecutionErrors()) {
093                        subscriptionKind = subscriptionControl.getSubscriptionKindByEntityInstance(entityInstance, entityPermission);
094                    }
095                } else {
096                    subscriptionKind = getSubscriptionKindByName(eea, subscriptionKindName, entityPermission);
097                }
098            }
099            default ->
100                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
101        }
102
103        return subscriptionKind;
104    }
105
106    public SubscriptionKind getSubscriptionKindByUniversalSpec(final ExecutionErrorAccumulator eea,
107            final SubscriptionKindUniversalSpec universalSpec, boolean allowDefault) {
108        return getSubscriptionKindByUniversalSpec(eea, universalSpec, allowDefault, EntityPermission.READ_ONLY);
109    }
110
111    public SubscriptionKind getSubscriptionKindByUniversalSpecForUpdate(final ExecutionErrorAccumulator eea,
112            final SubscriptionKindUniversalSpec universalSpec, boolean allowDefault) {
113        return getSubscriptionKindByUniversalSpec(eea, universalSpec, allowDefault, EntityPermission.READ_WRITE);
114    }
115
116}