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.wishlist.server.command;
018
019import com.echothree.control.user.wishlist.common.form.GetWishlistLinesForm;
020import com.echothree.control.user.wishlist.common.result.WishlistResultFactory;
021import com.echothree.model.control.item.server.control.ItemControl;
022import com.echothree.model.control.item.server.logic.ItemLogic;
023import com.echothree.model.control.order.common.OrderTypes;
024import com.echothree.model.control.order.server.control.OrderControl;
025import com.echothree.model.control.order.server.control.OrderTypeControl;
026import com.echothree.model.control.wishlist.server.control.WishlistControl;
027import com.echothree.model.data.item.server.entity.Item;
028import com.echothree.model.data.order.server.entity.Order;
029import com.echothree.model.data.order.server.entity.OrderLine;
030import com.echothree.model.data.order.server.factory.OrderLineFactory;
031import com.echothree.util.common.command.BaseResult;
032import com.echothree.util.common.message.ExecutionErrors;
033import com.echothree.util.common.validation.FieldDefinition;
034import com.echothree.util.common.validation.FieldType;
035import com.echothree.util.server.control.BasePaginatedMultipleEntitiesCommand;
036import java.util.Collection;
037import java.util.List;
038import javax.enterprise.context.Dependent;
039import javax.inject.Inject;
040
041@Dependent
042public class GetWishlistLinesCommand
043        extends BasePaginatedMultipleEntitiesCommand<OrderLine, GetWishlistLinesForm> {
044    
045    private final static List<FieldDefinition> FORM_FIELD_DEFINITIONS;
046    
047    static {
048        FORM_FIELD_DEFINITIONS = List.of(
049                new FieldDefinition("WishlistName", FieldType.ENTITY_NAME, false, null, null),
050                new FieldDefinition("ItemName", FieldType.ENTITY_NAME, false, null, null)
051        );
052    }
053
054    @Inject
055    ItemControl itemControl;
056
057    @Inject
058    OrderControl orderControl;
059
060    @Inject
061    OrderTypeControl orderTypeControl;
062
063    @Inject
064    WishlistControl wishlistControl;
065
066    @Inject
067    ItemLogic itemLogic;
068
069    /** Creates a new instance of GetWishlistLinesCommand */
070    public GetWishlistLinesCommand() {
071        super(null, FORM_FIELD_DEFINITIONS, true);
072    }
073    
074    private Order order;
075    private Item item;
076
077    @Override
078    protected void handleForm() {
079        var wishlistName = form.getWishlistName();
080        var itemName = form.getItemName();
081        var parameterCount = (wishlistName == null ? 0 : 1) + (itemName == null ? 0 : 1);
082
083        if(parameterCount == 1) {
084            if(wishlistName != null) {
085                var orderType = orderTypeControl.getOrderTypeByName(OrderTypes.WISHLIST.name());
086                
087                if(orderType != null) {
088                    order = orderControl.getOrderByName(orderType, wishlistName);
089
090                    if(order == null || !order.getLastDetail().getOrderType().getLastDetail().getOrderTypeName().equals(OrderTypes.WISHLIST.name())) {
091                        addExecutionError(ExecutionErrors.UnknownWishlistName.name(), wishlistName);
092                    }
093                } else {
094                    addExecutionError(ExecutionErrors.UnknownOrderTypeName.name(), OrderTypes.WISHLIST.name());
095                }
096            } else {
097                item = itemLogic.getItemByName(this, itemName);
098            }
099        } else {
100            addExecutionError(ExecutionErrors.InvalidParameterCount.name());
101        }
102    }
103
104    @Override
105    protected Long getTotalEntities() {
106        Long total = null;
107
108        if(!hasExecutionErrors()) {
109            if(order != null) {
110                total = wishlistControl.countWishlistLinesByOrder(order);
111            } else {
112                total = wishlistControl.countWishlistLinesByItem(item);
113            }
114        }
115
116        return total;
117    }
118
119    @Override
120    protected Collection<OrderLine> getEntities() {
121        Collection<OrderLine> entities = null;
122
123        if(!hasExecutionErrors()) {
124            if(order != null) {
125                entities = wishlistControl.getWishlistLinesByOrder(order);
126            } else {
127                entities = wishlistControl.getWishlistLinesByItem(item);
128            }
129        }
130
131        return entities;
132    }
133
134    @Override
135    protected BaseResult getResult(Collection<OrderLine> entities) {
136        var result = WishlistResultFactory.getGetWishlistLinesResult();
137
138        if(entities != null) {
139            var userVisit = getUserVisit();
140
141            if(order != null) {
142                result.setWishlist(wishlistControl.getWishlistTransfer(userVisit, order));
143            } else {
144                result.setItem(itemControl.getItemTransfer(userVisit, item));
145            }
146
147            if(session.hasLimit(OrderLineFactory.class)) {
148                result.setWishlistLineCount(getTotalEntities());
149            }
150
151            result.setWishlistLines(wishlistControl.getWishlistLineTransfers(userVisit, entities));
152        }
153
154        return result;
155    }
156    
157}