001// --------------------------------------------------------------------------------
002// Copyright 2002-2024 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.forum.server.logic;
018
019import com.echothree.model.control.forum.common.exception.UnknownForumPartyRoleException;
020import com.echothree.model.control.forum.common.exception.UnknownForumPartyTypeRoleException;
021import com.echothree.model.control.forum.common.exception.UnknownForumRoleTypeNameException;
022import com.echothree.model.control.forum.server.control.ForumControl;
023import com.echothree.model.control.party.common.exception.PartyRequiredException;
024import com.echothree.model.data.forum.server.entity.Forum;
025import com.echothree.model.data.forum.server.entity.ForumForumThread;
026import com.echothree.model.data.forum.server.entity.ForumMessage;
027import com.echothree.model.data.forum.server.entity.ForumRoleType;
028import com.echothree.model.data.forum.server.entity.ForumThread;
029import com.echothree.model.data.party.server.entity.Party;
030import com.echothree.model.data.party.server.entity.PartyType;
031import com.echothree.util.common.message.ExecutionErrors;
032import com.echothree.util.server.control.BaseLogic;
033import com.echothree.util.server.message.ExecutionErrorAccumulator;
034import com.echothree.util.server.persistence.Session;
035import java.util.List;
036
037public class ForumLogic
038        extends BaseLogic {
039    
040    private ForumLogic() {
041        super();
042    }
043    
044    private static class ForumLogicHolder {
045        static ForumLogic instance = new ForumLogic();
046    }
047    
048    public static ForumLogic getInstance() {
049        return ForumLogicHolder.instance;
050    }
051    
052    public ForumRoleType getForumRoleTypeByName(final ExecutionErrorAccumulator eea, final String forumRoleTypeName) {
053        var forumControl = Session.getModelController(ForumControl.class);
054        ForumRoleType forumRoleType = forumControl.getForumRoleTypeByName(forumRoleTypeName);
055
056        if(forumRoleType == null) {
057            handleExecutionError(UnknownForumRoleTypeNameException.class, eea, ExecutionErrors.UnknownForumRoleTypeName.name(), forumRoleTypeName);
058        }
059
060        return forumRoleType;
061    }
062
063    public boolean isForumRoleTypePermitted(final ExecutionErrorAccumulator eea, final Forum forum, final Party party, final String forumRoleTypeName) {
064        ForumRoleType forumRoleType = getForumRoleTypeByName(eea, forumRoleTypeName);
065
066        return isForumRoleTypePermitted(eea, forum, party, forumRoleType);
067    }
068
069    public boolean isForumRoleTypePermitted(final ExecutionErrorAccumulator eea, final Forum forum, final Party party, final ForumRoleType forumRoleType) {
070        var forumControl = Session.getModelController(ForumControl.class);
071        boolean hasForumPartyTypeRoles = forumControl.hasForumPartyTypeRoles(forum, forumRoleType);
072        boolean hasForumPartyRoles = forumControl.hasForumPartyRoles(forum, forumRoleType);
073        boolean permitted = !(hasForumPartyTypeRoles || hasForumPartyRoles);
074
075        if(!permitted) {
076            if(party == null) {
077                handleExecutionError(PartyRequiredException.class, eea, ExecutionErrors.PartyRequired.name());
078            } else {
079                boolean hasForumPartyTypeRole = false;
080                boolean hasForumPartyRole = false;
081
082                if(hasForumPartyTypeRoles) {
083                    PartyType partyType = party.getLastDetail().getPartyType();
084
085                    hasForumPartyTypeRole = forumControl.hasForumPartyTypeRole(forum, partyType, forumRoleType);
086                }
087
088                if(hasForumPartyRoles) {
089                    hasForumPartyRole = forumControl.hasForumPartyRole(forum, party, forumRoleType);
090                }
091
092                permitted |= hasForumPartyTypeRole || hasForumPartyRole;
093
094                if(!permitted) {
095                    String forumName = forum.getLastDetail().getForumName();
096                    String forumRoleTypeName = forumRoleType.getForumRoleTypeName();
097
098                    if(!hasForumPartyRole) {
099                        String partyName = party.getLastDetail().getPartyName();
100
101                        handleExecutionError(UnknownForumPartyRoleException.class, eea, ExecutionErrors.UnknownForumPartyRole.name(), forumName, partyName, forumRoleTypeName);
102                    }
103
104                    if(!hasForumPartyTypeRole) {
105                        String partyTypeName = party.getLastDetail().getPartyType().getPartyTypeName();
106
107                        handleExecutionError(UnknownForumPartyTypeRoleException.class, eea, ExecutionErrors.UnknownForumPartyTypeRole.name(), forumName, partyTypeName, forumRoleTypeName);
108                    }
109                }
110            }
111        }
112
113        return permitted;
114    }
115
116    public boolean isForumRoleTypePermitted(final ExecutionErrorAccumulator eea, final ForumThread forumThread, final Party party, final String forumRoleTypeName) {
117        ForumRoleType forumRoleType = getForumRoleTypeByName(eea, forumRoleTypeName);
118        boolean permitted = false;
119
120        if(!hasExecutionErrors(eea)) {
121            permitted = isForumRoleTypePermitted(eea, forumThread, party, forumRoleType);
122        }
123
124        return permitted;
125    }
126
127    public boolean isForumRoleTypePermitted(final ExecutionErrorAccumulator eea, final ForumThread forumThread, final Party party, final ForumRoleType forumRoleType) {
128        var forumControl = Session.getModelController(ForumControl.class);
129        List<ForumForumThread> forumForumThreads = forumControl.getForumForumThreadsByForumThread(forumThread);
130        boolean permitted = false;
131
132        for(var forumForumThread : forumForumThreads) {
133            Forum forum = forumForumThread.getForum();
134
135            permitted |= isForumRoleTypePermitted(eea, forum, party, forumRoleType);
136
137            if(permitted) {
138                break;
139            }
140        }
141
142        return permitted;
143    }
144
145    public boolean isForumRoleTypePermitted(final ExecutionErrorAccumulator eea, final ForumMessage forumMessage, final Party party, final String forumRoleTypeName) {
146        ForumRoleType forumRoleType = getForumRoleTypeByName(eea, forumRoleTypeName);
147        boolean permitted = false;
148
149        if(!hasExecutionErrors(eea)) {
150            permitted = isForumRoleTypePermitted(eea, forumMessage, party, forumRoleType);
151        }
152
153        return permitted;
154    }
155
156    public boolean isForumRoleTypePermitted(final ExecutionErrorAccumulator eea, final ForumMessage forumMessage, final Party party, final ForumRoleType forumRoleType) {
157        ForumThread forumThread = forumMessage.getLastDetail().getForumThread();
158
159        return isForumRoleTypePermitted(eea, forumThread, party, forumRoleType);
160    }
161    
162}