LINE BOT APIの簡易ヘルパー

linebot_helper.php

<?php
/**
 * LINE BOT API Helper For Wordpress
 * @link https://developers.line.me/bot-api/api-reference
 * @author ki6ool
 */
class LB_CONSTANT {

	const END_POINT  = 'https://trialbot-api.line.me';
	const TO_CHANNEL = '1383378250';

	/* EVENT TYPE */
	const ET_SEND_MESSAGES          = '138311608800106203';
	const ET_SEND_MULTIPLE_MESSAGES = '140177271400161403';
	const ET_RECEIVING_MESSAGES     = '138311609000106303';
	const ET_RECEIVING_OPERATIONS   = '138311609100106403';

	/* CONTENT_TYPE */
	const CT_TEXT     = '1';
	const CT_IMAGE    = '2';
	const CT_VIDEO    = '3';
	const CT_AUDIO    = '4';
	const CT_LOCATION = '7';
	const CT_STICKER  = '8';
	const CT_CONTACT  = '10';

	/* TO_TYPE */
	const TT_USER = '1';

	/* OP_TYPE */
	const OT_ADD   = '4';
	const OT_BLOCK = '8';

}

class LINE_BOT {
	private $channel_id;
	private $channel_secret;
	private $mid;

	function __construct($channel_id, $channel_secret, $mid) {
		$this->channel_id = $channel_id;
		$this->channel_secret = $channel_secret;
		$this->mid = $mid;
	}

	function receive() {
		$json  = file_get_contents('php://input');
		if ( empty($json) ) return false;
		$data = json_decode($json, true);
		return $data['result'][0];
	}

	function receivingEventType($result) {
		return $result['eventType'];
	}

	function post($path, $data) {
		$curl = curl_init(LB_CONSTANT::END_POINT. $path);
		curl_setopt($curl, CURLOPT_POST, true);
		curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'POST');
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($data));
		curl_setopt($curl, CURLOPT_HTTPHEADER, [
			"Content-Type: application/json; charset=UTF-8",
			"X-Line-ChannelID: {$this->channel_id}",
			"X-Line-ChannelSecret: {$this->channel_secret}",
			"X-Line-Trusted-User-With-ACL: {$this->mid}"
		]);
		$output = curl_exec($curl);
		curl_close($curl);
		//error_log($output);
	}

	function sendMessages($to, $content) {
		$data = [];
		$data['to'] = is_array($to) ? $to : [$to];
		$data['toChannel'] = LB_CONSTANT::TO_CHANNEL;
		$data['eventType'] = LB_CONSTANT::ET_SEND_MESSAGES;
		$data['content'] = $content;
		return $this->post('/v1/events', $data);
	}

	function sendText($mid, $text) {
		$content = [
				'toType' => LB_CONSTANT::TT_USER,
				'contentType' => LB_CONSTANT::CT_TEXT,
				'text' => $text,
		];
		return $this->sendMessages($mid, $content);
	}

	function sendImage($mid, $url) {
		$content = [
				'toType' => LB_CONSTANT::TT_USER,
				'contentType' => LB_CONSTANT::CT_IMAGE,
				'originalContentUrl' => $url,
				'previewImageUrl' => $url
		];
		return $this->sendMessages($mid, $content);
	}

	function sendVideo($mid, $url, $image_url) {
		$content = [
				'toType' => LB_CONSTANT::TT_USER,
				'contentType' => LB_CONSTANT::CT_VIDEO,
				'originalContentUrl' => $url,
				'previewImageUrl' => $image_url
		];
		return $this->sendMessages($mid, $content);
	}

	function sendAudio($mid, $url, $length) {
		$content = [
				'toType' => LB_CONSTANT::TT_USER,
				'contentType' => LB_CONSTANT::CT_AUDIO,
				'originalContentUrl' => $url,
				'contentMetadata.AUDLEN' => $length
		];
		return $this->sendMessages($mid, $content);
	}

	function sendLocation($mid, $text, $location) {
		$content = [
				'toType' => LB_CONSTANT::TT_USER,
				'contentType' => LB_CONSTANT::CT_LOCATION,
				'text' => $text,
				'location' => $location
		];
		return $this->sendMessages($mid, $content);
	}

	function sendSticker($mid, $sticker) {
		$content = [
				'toType' => LB_CONSTANT::TT_USER,
				'contentType' => LB_CONSTANT::CT_STICKER,
				'contentMetadata' => $sticker
		];
		return $this->sendMessages($mid, $content);
	}

	function sendMultipleMessages($to, $messages) {
		$data = [];
		$data['to'] = is_array($to) ? $to : [$to];
		$data['toChannel'] = LB_CONSTANT::TO_CHANNEL;
		$data['eventType'] = LB_CONSTANT::ET_SEND_MULTIPLE_MESSAGES;
		$data['content'] = [
				'messageNotified' => 0,
				'messages' => $messages,
		];
		return $this->post('/v1/events', $data);
	}

	function get($path, $data) {
		$curl = curl_init(LB_CONSTANT::END_POINT. $path. '?'. http_build_query($data));
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($curl, CURLOPT_HTTPHEADER, [
				'X-Line-ChannelID: '. $this->channel_id,
				'X-Line-ChannelSecret: '. $this->channel_secret,
				'X-Line-Trusted-User-With-ACL: '. $this->mid,
		]);
		$output = curl_exec($curl);
		curl_close($curl);
		return $output;
	}

	function getProfiles($mid, $field=null) {
		$param = ['mids' => $mid];
		$json = $this->get('/v1/profiles', $param);
		$data = json_decode($json, true);
		return  empty($field) ? $data['contacts'][0] : $data['contacts'][0][$field];
	}

	function getFriends() {
	}

	function addFriend($mid) {
	}

	function removeFriend($mid) {
	}

}