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.control.user.vendor.server.command;
018
019import com.echothree.control.user.vendor.common.form.GetVendorItemsForm;
020import com.echothree.control.user.vendor.common.result.VendorResultFactory;
021import com.echothree.model.control.item.server.control.ItemControl;
022import com.echothree.model.control.item.server.logic.ItemLogic;
023import com.echothree.model.control.party.common.PartyTypes;
024import com.echothree.model.control.security.common.SecurityRoleGroups;
025import com.echothree.model.control.security.common.SecurityRoles;
026import com.echothree.model.control.vendor.server.control.VendorControl;
027import com.echothree.model.control.vendor.server.logic.VendorLogic;
028import com.echothree.model.data.item.server.entity.Item;
029import com.echothree.model.data.user.common.pk.UserVisitPK;
030import com.echothree.model.data.vendor.server.entity.Vendor;
031import com.echothree.model.data.vendor.server.entity.VendorItem;
032import com.echothree.model.data.vendor.server.factory.VendorItemFactory;
033import com.echothree.util.common.command.BaseResult;
034import com.echothree.util.common.message.ExecutionErrors;
035import com.echothree.util.common.validation.FieldDefinition;
036import com.echothree.util.common.validation.FieldType;
037import com.echothree.util.server.control.BaseMultipleEntitiesCommand;
038import com.echothree.util.server.control.CommandSecurityDefinition;
039import com.echothree.util.server.control.PartyTypeDefinition;
040import com.echothree.util.server.control.SecurityRoleDefinition;
041import com.echothree.util.server.persistence.Session;
042import java.util.Arrays;
043import java.util.Collection;
044import java.util.Collections;
045import java.util.List;
046
047public class GetVendorItemsCommand
048        extends BaseMultipleEntitiesCommand<VendorItem, GetVendorItemsForm> {
049
050    private final static CommandSecurityDefinition COMMAND_SECURITY_DEFINITION;
051    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
052    
053    static {
054        COMMAND_SECURITY_DEFINITION = new CommandSecurityDefinition(Collections.unmodifiableList(Arrays.asList(
055                new PartyTypeDefinition(PartyTypes.UTILITY.name(), null),
056                new PartyTypeDefinition(PartyTypes.EMPLOYEE.name(), Collections.unmodifiableList(Arrays.asList(
057                        new SecurityRoleDefinition(SecurityRoleGroups.VendorItem.name(), SecurityRoles.List.name())
058                        )))
059                )));
060        
061        FORM_FIELD_DEFINITIONS = Collections.unmodifiableList(Arrays.asList(
062                new FieldDefinition("VendorName", FieldType.ENTITY_NAME, false, null, null),
063                new FieldDefinition("ItemName", FieldType.ENTITY_NAME, false, null, null)
064                ));
065    }
066    
067    /** Creates a new instance of GetVendorItemsCommand */
068    public GetVendorItemsCommand(UserVisitPK userVisitPK, GetVendorItemsForm form) {
069        super(userVisitPK, form, COMMAND_SECURITY_DEFINITION, FORM_FIELD_DEFINITIONS, true);
070    }
071
072    Vendor vendor;
073    Item item;
074
075    @Override
076    protected Collection<VendorItem> getEntities() {
077        var vendorControl = Session.getModelController(VendorControl.class);
078        var vendorName = form.getVendorName();
079        var itemName = form.getItemName();
080        var parameterCount = (vendorName == null ? 0 : 1) + (itemName == null ? 0 : 1);
081        Collection<VendorItem> entities = null;
082
083        if(parameterCount == 1) {
084            if(vendorName != null) {
085                vendor = VendorLogic.getInstance().getVendorByName(this, vendorName, null, null);
086
087                if(!hasExecutionErrors()) {
088                    var vendorParty = vendor.getParty();
089
090                    entities = vendorControl.getVendorItemsByVendorParty(vendorParty);
091                }
092            } else if(itemName != null) {
093                item = ItemLogic.getInstance().getItemByNameThenAlias(this, itemName);
094
095                if(!hasExecutionErrors()) {
096                    entities = vendorControl.getVendorItemsByItem(item);
097                }
098            }
099        } else {
100            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
101        }
102
103        return entities;
104    }
105
106    @Override
107    protected BaseResult getResult(Collection<VendorItem> entities) {
108        var result = VendorResultFactory.getGetVendorItemsResult();
109
110        if(entities != null) {
111            var vendorControl = Session.getModelController(VendorControl.class);
112            var userVisit = getUserVisit();
113
114            result.setVendorItems(vendorControl.getVendorItemTransfers(userVisit, entities));
115
116            if(vendor != null) {
117                var vendorParty = vendor.getParty();
118
119                result.setVendor(vendorControl.getVendorTransfer(userVisit, vendor));
120
121                if(session.hasLimit(VendorItemFactory.class)) {
122                    result.setVendorItemCount(vendorControl.countVendorItemsByVendorParty(vendorParty));
123                }
124            } else if(item != null) {
125                var itemControl = Session.getModelController(ItemControl.class);
126
127                result.setItem(itemControl.getItemTransfer(userVisit, item));
128
129                if(session.hasLimit(VendorItemFactory.class)) {
130                    result.setVendorItemCount(vendorControl.countVendorItemsByItem(item));
131                }
132            }
133        }
134
135        return result;
136    }
137
138}