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\Constant\MessageType;
22: use LINE\LINEBot\MessageBuilder;
23: 
24: /**
25:  * A builder class for text message.
26:  *
27:  * @package LINE\LINEBot\MessageBuilder
28:  */
29: class TextMessageBuilder implements MessageBuilder
30: {
31:     /** @var string[] */
32:     private $texts;
33:     /** @var array */
34:     private $message = [];
35: 
36:     /**
37:      * TextMessageBuilder constructor.
38:      *
39:      * @param string $text
40:      * @param string[] $extraTexts
41:      */
42:     public function __construct($text, ...$extraTexts)
43:     {
44:         $this->texts = array_merge([$text], $extraTexts);
45:     }
46: 
47:     /**
48:      * Builds text message structure.
49:      *
50:      * @return array
51:      */
52:     public function buildMessage()
53:     {
54:         if (!empty($this->message)) {
55:             return $this->message;
56:         }
57: 
58:         foreach ($this->texts as $text) {
59:             $this->message[] = [
60:                 'type' => MessageType::TEXT,
61:                 'text' => $text,
62:             ];
63:         }
64: 
65:         return $this->message;
66:     }
67: }
68: