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.enterprise.inject.spi.CDI;
035import javax.inject.Inject;
036
037@ApplicationScoped
038public class SubscriptionKindLogic
039        extends BaseLogic {
040
041    @Inject
042    SubscriptionControl subscriptionControl;
043
044    @Inject
045    EntityInstanceLogic entityInstanceLogic;
046
047    protected SubscriptionKindLogic() {
048        super();
049    }
050
051    public static SubscriptionKindLogic getInstance() {
052        return CDI.current().select(SubscriptionKindLogic.class).get();
053    }
054
055    public SubscriptionKind getSubscriptionKindByName(final ExecutionErrorAccumulator eea, final String subscriptionKindName,
056            final EntityPermission entityPermission) {
057        var subscriptionKind = subscriptionControl.getSubscriptionKindByName(subscriptionKindName, entityPermission);
058
059        if(subscriptionKind == null) {
060            handleExecutionError(UnknownSubscriptionKindNameException.class, eea, ExecutionErrors.UnknownSubscriptionKindName.name(), subscriptionKindName);
061        }
062
063        return subscriptionKind;
064    }
065
066    public SubscriptionKind getSubscriptionKindByName(final ExecutionErrorAccumulator eea, final String subscriptionKindName) {
067        return getSubscriptionKindByName(eea, subscriptionKindName, EntityPermission.READ_ONLY);
068    }
069
070    public SubscriptionKind getSubscriptionKindByNameForUpdate(final ExecutionErrorAccumulator eea, final String subscriptionKindName) {
071        return getSubscriptionKindByName(eea, subscriptionKindName, EntityPermission.READ_WRITE);
072    }
073
074    public SubscriptionKind getSubscriptionKindByUniversalSpec(final ExecutionErrorAccumulator eea,
075            final SubscriptionKindUniversalSpec universalSpec, boolean allowDefault, final EntityPermission entityPermission) {
076        SubscriptionKind subscriptionKind = null;
077        var subscriptionKindName = universalSpec.getSubscriptionKindName();
078        var parameterCount = (subscriptionKindName == null ? 0 : 1) + entityInstanceLogic.countPossibleEntitySpecs(universalSpec);
079
080        switch(parameterCount) {
081            case 0 -> {
082                if(allowDefault) {
083                    subscriptionKind = subscriptionControl.getDefaultSubscriptionKind(entityPermission);
084
085                    if(subscriptionKind == null) {
086                        handleExecutionError(UnknownDefaultSubscriptionKindException.class, eea, ExecutionErrors.UnknownDefaultSubscriptionKind.name());
087                    }
088                } else {
089                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
090                }
091            }
092            case 1 -> {
093                if(subscriptionKindName == null) {
094                    var entityInstance = entityInstanceLogic.getEntityInstance(eea, universalSpec,
095                            ComponentVendors.ECHO_THREE.name(), EntityTypes.SubscriptionKind.name());
096
097                    if(!eea.hasExecutionErrors()) {
098                        subscriptionKind = subscriptionControl.getSubscriptionKindByEntityInstance(entityInstance, entityPermission);
099                    }
100                } else {
101                    subscriptionKind = getSubscriptionKindByName(eea, subscriptionKindName, entityPermission);
102                }
103            }
104            default ->
105                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
106        }
107
108        return subscriptionKind;
109    }
110
111    public SubscriptionKind getSubscriptionKindByUniversalSpec(final ExecutionErrorAccumulator eea,
112            final SubscriptionKindUniversalSpec universalSpec, boolean allowDefault) {
113        return getSubscriptionKindByUniversalSpec(eea, universalSpec, allowDefault, EntityPermission.READ_ONLY);
114    }
115
116    public SubscriptionKind getSubscriptionKindByUniversalSpecForUpdate(final ExecutionErrorAccumulator eea,
117            final SubscriptionKindUniversalSpec universalSpec, boolean allowDefault) {
118        return getSubscriptionKindByUniversalSpec(eea, universalSpec, allowDefault, EntityPermission.READ_WRITE);
119    }
120
121}