1: <?php
 2: 
 3: /**
 4:  * Copyright 2016 LINE Corporation
 5:  *
 6:  * LINE Corporation licenses this file to you under the Apache License,
 7:  * version 2.0 (the "License"); you may not use this file except in compliance
 8:  * with the License. You may obtain a copy of the License at:
 9:  *
10:  *   https://www.apache.org/licenses/LICENSE-2.0
11:  *
12:  * Unless required by applicable law or agreed to in writing, software
13:  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14:  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
15:  * License for the specific language governing permissions and limitations
16:  * under the License.
17:  */
18: 
19: namespace LINE\LINEBot\MessageBuilder;
20: 
21: use LINE\LINEBot\MessageBuilder;
22: 
23: class MultiMessageBuilder implements MessageBuilder
24: {
25:     /** @var MessageBuilder[] */
26:     private $messageBuilders = [];
27: 
28:     /**
29:      * Add a message builder.
30:      *
31:      * @param MessageBuilder $messageBuilder
32:      * @return MultiMessageBuilder $this
33:      */
34:     public function add(MessageBuilder $messageBuilder)
35:     {
36:         $this->messageBuilders[] = $messageBuilder;
37:         return $this;
38:     }
39: 
40:     /**
41:      * Builds message structure.
42:      *
43:      * @return array Built message structure.
44:      */
45:     public function buildMessage()
46:     {
47:         $messages = [];
48:         foreach ($this->messageBuilders as $messageBuilder) {
49:             foreach ($messageBuilder->buildMessage() as $message) {
50:                 $messages[] = $message;
51:             }
52:         }
53: 
54:         return $messages;
55:     }
56: }
57: