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.contactlist.server.logic;
018
019import com.echothree.control.user.contactlist.common.spec.ContactListGroupUniversalSpec;
020import com.echothree.model.control.contactlist.common.exception.UnknownContactListGroupNameException;
021import com.echothree.model.control.contactlist.common.exception.UnknownDefaultContactListGroupException;
022import com.echothree.model.control.contactlist.server.control.ContactListControl;
023import com.echothree.model.control.core.common.ComponentVendors;
024import com.echothree.model.control.core.common.EntityTypes;
025import com.echothree.model.control.core.common.exception.InvalidParameterCountException;
026import com.echothree.model.control.core.server.logic.EntityInstanceLogic;
027import com.echothree.model.data.contactlist.server.entity.ContactListGroup;
028import com.echothree.util.common.message.ExecutionErrors;
029import com.echothree.util.server.control.BaseLogic;
030import com.echothree.util.server.message.ExecutionErrorAccumulator;
031import com.echothree.util.server.persistence.EntityPermission;
032import javax.enterprise.context.ApplicationScoped;
033import javax.enterprise.inject.spi.CDI;
034import javax.inject.Inject;
035
036@ApplicationScoped
037public class ContactListGroupLogic
038    extends BaseLogic {
039
040    @Inject
041    ContactListControl contactListControl;
042
043    @Inject
044    EntityInstanceLogic entityInstanceLogic;
045
046    protected ContactListGroupLogic() {
047        super();
048    }
049
050    public static ContactListGroupLogic getInstance() {
051        return CDI.current().select(ContactListGroupLogic.class).get();
052    }
053
054    public ContactListGroup getContactListGroupByName(final ExecutionErrorAccumulator eea, final String contactListGroupName,
055            final EntityPermission entityPermission) {
056        var contactListGroup = contactListControl.getContactListGroupByName(contactListGroupName, entityPermission);
057
058        if(contactListGroup == null) {
059            handleExecutionError(UnknownContactListGroupNameException.class, eea, ExecutionErrors.UnknownContactListGroupName.name(), contactListGroupName);
060        }
061
062        return contactListGroup;
063    }
064
065    public ContactListGroup getContactListGroupByName(final ExecutionErrorAccumulator eea, final String contactListGroupName) {
066        return getContactListGroupByName(eea, contactListGroupName, EntityPermission.READ_ONLY);
067    }
068
069    public ContactListGroup getContactListGroupByNameForUpdate(final ExecutionErrorAccumulator eea, final String contactListGroupName) {
070        return getContactListGroupByName(eea, contactListGroupName, EntityPermission.READ_WRITE);
071    }
072
073    public ContactListGroup getContactListGroupByUniversalSpec(final ExecutionErrorAccumulator eea,
074            final ContactListGroupUniversalSpec spec, final boolean allowDefault, final EntityPermission entityPermission) {
075        ContactListGroup contactListGroup = null;
076        var contactListGroupName = spec.getContactListGroupName();
077        var parameterCount = (contactListGroupName == null ? 0 : 1) + entityInstanceLogic.countPossibleEntitySpecs(spec);
078
079        switch(parameterCount) {
080            case 0 -> {
081                if(allowDefault) {
082                    contactListGroup = contactListControl.getDefaultContactListGroup(entityPermission);
083
084                    if(contactListGroup == null) {
085                        handleExecutionError(UnknownDefaultContactListGroupException.class, eea, ExecutionErrors.UnknownDefaultContactListGroup.name());
086                    }
087                } else {
088                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
089                }
090            }
091            case 1 -> {
092                if(contactListGroupName == null) {
093                    var entityInstance = entityInstanceLogic.getEntityInstance(eea, spec,
094                            ComponentVendors.ECHO_THREE.name(), EntityTypes.ContactListGroup.name());
095
096                    if(eea == null || !eea.hasExecutionErrors()) {
097                        contactListGroup = contactListControl.getContactListGroupByEntityInstance(entityInstance, entityPermission);
098                    }
099                } else {
100                    contactListGroup = getContactListGroupByName(eea, contactListGroupName, entityPermission);
101                }
102            }
103            default ->
104                    handleExecutionError(InvalidParameterCountException.class, eea, ExecutionErrors.InvalidParameterCount.name());
105        }
106
107        return contactListGroup;
108    }
109
110    public ContactListGroup getContactListGroupByUniversalSpec(final ExecutionErrorAccumulator eea,
111            final ContactListGroupUniversalSpec spec, final boolean allowDefault) {
112        return getContactListGroupByUniversalSpec(eea, spec, allowDefault, EntityPermission.READ_ONLY);
113    }
114
115    public ContactListGroup getContactListGroupByUniversalSpecForUpdate(final ExecutionErrorAccumulator eea,
116            final ContactListGroupUniversalSpec spec, final boolean allowDefault) {
117        return getContactListGroupByUniversalSpec(eea, spec, allowDefault, EntityPermission.READ_WRITE);
118    }
119    
120}