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.control.user.term.server.command;
018
019import com.echothree.control.user.term.common.edit.PartyCreditLimitEdit;
020import com.echothree.control.user.term.common.edit.TermEditFactory;
021import com.echothree.control.user.term.common.form.EditPartyCreditLimitForm;
022import com.echothree.control.user.term.common.result.TermResultFactory;
023import com.echothree.control.user.term.common.spec.PartyCreditLimitSpec;
024import com.echothree.model.control.accounting.server.control.AccountingControl;
025import com.echothree.model.control.party.common.PartyTypes;
026import com.echothree.model.control.party.server.control.PartyControl;
027import com.echothree.model.control.party.server.logic.PartyChainLogic;
028import com.echothree.model.control.term.server.control.TermControl;
029import com.echothree.model.data.user.common.pk.UserVisitPK;
030import com.echothree.util.common.message.ExecutionErrors;
031import com.echothree.util.common.validation.FieldDefinition;
032import com.echothree.util.common.validation.FieldType;
033import com.echothree.util.common.command.BaseResult;
034import com.echothree.util.common.command.EditMode;
035import com.echothree.util.common.form.BaseForm;
036import com.echothree.util.server.control.BaseEditCommand;
037import com.echothree.util.server.persistence.Session;
038import com.echothree.util.server.string.AmountUtils;
039import com.echothree.util.server.validation.Validator;
040import java.util.List;
041import javax.enterprise.context.Dependent;
042
043@Dependent
044public class EditPartyCreditLimitCommand
045        extends BaseEditCommand<PartyCreditLimitSpec, PartyCreditLimitEdit> {
046    
047    private final static List<FieldDefinition> SPEC_FIELD_DEFINITIONS;
048    private final static List<FieldDefinition> EDIT_FIELD_DEFINITIONS;
049    
050    static {
051        SPEC_FIELD_DEFINITIONS = List.of(
052                new FieldDefinition("PartyName", FieldType.ENTITY_NAME, true, null, null),
053                new FieldDefinition("CurrencyIsoName", FieldType.ENTITY_NAME, true, null, null)
054                );
055        
056        EDIT_FIELD_DEFINITIONS = List.of(
057                new FieldDefinition("CreditLimit", FieldType.UNSIGNED_PRICE_LINE, false, null, null),
058                new FieldDefinition("PotentialCreditLimit", FieldType.UNSIGNED_PRICE_LINE, false, null, null)
059                );
060    }
061    
062    /** Creates a new instance of EditPartyCreditLimitCommand */
063    public EditPartyCreditLimitCommand() {
064        super(null, SPEC_FIELD_DEFINITIONS, EDIT_FIELD_DEFINITIONS);
065    }
066    
067    @Override
068    protected void setupValidatorForEdit(Validator validator, BaseForm specForm) {
069        var accountingControl = Session.getModelController(AccountingControl.class);
070        var currencyIsoName = spec.getCurrencyIsoName();
071        validator.setCurrency(accountingControl.getCurrencyByIsoName(currencyIsoName));
072    }
073    
074    @Override
075    protected BaseResult execute() {
076        var partyControl = Session.getModelController(PartyControl.class);
077        var result = TermResultFactory.getEditPartyCreditLimitResult();
078        var partyName = spec.getPartyName();
079        var party = partyControl.getPartyByName(partyName);
080        
081        if(party != null) {
082            var accountingControl = Session.getModelController(AccountingControl.class);
083            var currencyIsoName = spec.getCurrencyIsoName();
084            var currency = accountingControl.getCurrencyByIsoName(currencyIsoName);
085            
086            if(currency != null) {
087                var termControl = Session.getModelController(TermControl.class);
088                
089                if(editMode.equals(EditMode.LOCK)) {
090                    var partyCreditLimit = termControl.getPartyCreditLimit(party, currency);
091                    
092                    if(partyCreditLimit != null) {
093                        result.setPartyCreditLimit(termControl.getPartyCreditLimitTransfer(getUserVisit(), partyCreditLimit));
094                        
095                        if(lockEntity(party)) {
096                            var edit = TermEditFactory.getPartyCreditLimitEdit();
097                            
098                            result.setEdit(edit);
099                            edit.setCreditLimit(AmountUtils.getInstance().formatPriceLine(currency, partyCreditLimit.getCreditLimit()));
100                            edit.setPotentialCreditLimit(AmountUtils.getInstance().formatPriceLine(currency, partyCreditLimit.getPotentialCreditLimit()));
101                        } else {
102                            addExecutionError(ExecutionErrors.EntityLockFailed.name());
103                        }
104                        
105                        result.setEntityLock(getEntityLockTransfer(party));
106                    } else {
107                        addExecutionError(ExecutionErrors.UnknownPartyCreditLimit.name());
108                    }
109                } else if(editMode.equals(EditMode.UPDATE)) {
110                    var partyCreditLimitValue = termControl.getPartyCreditLimitValueForUpdate(party, currency);
111                    
112                    if(partyCreditLimitValue != null) {
113                        if(lockEntityForUpdate(party)) {
114                            var strCreditLimit = edit.getCreditLimit();
115                            var creditLimit = strCreditLimit == null? null: Long.valueOf(strCreditLimit);
116                            var strPotentialCreditLimit = edit.getPotentialCreditLimit();
117                            var potentialCreditLimit = strPotentialCreditLimit == null? null: Long.valueOf(strPotentialCreditLimit);
118                            
119                            try {
120                                partyCreditLimitValue.setCreditLimit(creditLimit);
121                                partyCreditLimitValue.setPotentialCreditLimit(potentialCreditLimit);
122                                
123                                if(partyCreditLimitValue.hasBeenModified()) {
124                                    var partyTypeName = party.getLastDetail().getPartyType().getPartyTypeName();
125                                    var updatedBy = getPartyPK();
126                                    
127                                    termControl.updatePartyCreditLimitFromValue(partyCreditLimitValue, updatedBy);
128                                    
129                                    if(partyTypeName.equals(PartyTypes.CUSTOMER.name())) {
130                                        // ExecutionErrorAccumulator is passed in as null so that an Exception will be thrown if there is an error.
131                                        PartyChainLogic.getInstance().createPartyCreditLimitChangedChainInstance(null, party, updatedBy);
132                                    }
133                                }
134                            } finally {
135                                unlockEntity(party);
136                            }
137                        } else {
138                            addExecutionError(ExecutionErrors.EntityLockStale.name());
139                        }
140                    } else {
141                        addExecutionError(ExecutionErrors.UnknownPartyCreditLimit.name());
142                    }
143                }
144            } else {
145                addExecutionError(ExecutionErrors.UnknownCurrencyIsoName.name(), currencyIsoName);
146            }
147        } else {
148            addExecutionError(ExecutionErrors.UnknownPartyName.name(), partyName);
149        }
150        
151        return result;
152    }
153    
154}