miibo連携のLINE Botで画像や動画メッセージの送信 – カスタムアクション #JavaScript

const result = {
    success: false,
    messages: [],
    error: null
};

try {
    // 入力値のバリデーション
    if (!input.imageUrl) {
        throw new Error('Image URL is required');
    }
    if (!input.to) {
        throw new Error('Recipient is required');
    }

    // 環境変数の検証
    if (!env.LINE_CHANNEL_ACCESS_TOKEN) {
        throw new Error('LINE Channel Access Token is not configured');
    }

    // LINEへのリクエスト
    const response = fetch('https://api.line.me/v2/bot/message/push', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
            'Authorization': `Bearer ${env.LINE_CHANNEL_ACCESS_TOKEN}`
        },
        body: JSON.stringify({
            to: input.to,
            messages: [
                {
                    type: 'image',
                    originalContentUrl: input.imageUrl,
                    previewImageUrl: input.imageUrl
                }
            ]
        })
    });

    if (response.status !== 200) {
        result.to = input.to;
        result.imageUrl = input.imageUrl;
        throw new Error(`LINE API request failed: `);
    }

    result.success = true;
    result.messages = ['Image message sent successfully'];

} catch (err) {
    result.error = err.message;
}

result;