自治体スマエネ補助金データAPI サービスFAQ

// 例: JavaScriptでの実装
async function getSubsidyData(prefectureCode, city, facilityCodes) {
  try {
    // パラメータの構築
    const params = new URLSearchParams();
    if (prefectureCode) params.append('prefecture_cd', prefectureCode);
    if (city) params.append('city', city);
    if (facilityCodes && facilityCodes.length > 0) params.append('faclity_cd', JSON.stringify(facilityCodes));
    
    // APIリクエスト
    const response = await fetch(`https://api.enegaeru.com/sys/sys/subsidy/?${params}`, {
      method: 'GET',
      headers: {
        'Authorization': 'Bearer YOUR_API_KEY',
        'Content-Type': 'application/json'
      }
    });
    
    // レスポンス処理
    if (!response.ok) {
      throw new Error(`API error: ${response.status}`);
    }
    
    const data = await response.json();
    return data;
  } catch (error) {
    console.error('補助金データ取得エラー:', error);
    throw error;
  }

// 例: 太陽光・蓄電池の設備選択に基づいて補助金検索
document.getElementById('search-button').addEventListener('click', async () => {
  const prefecture = document.getElementById('prefecture-select').value;
  const city = document.getElementById('city-input').value;
  
  // 選択された設備のコードを取得
  const selectedFacilities = [];
  if (document.getElementById('solar-checkbox').checked) selectedFacilities.push('01');
  if (document.getElementById('battery-checkbox').checked) selectedFacilities.push('02');
  
  try {
    // APIからデータ取得
    const subsidies = await getSubsidyData(prefecture, city, selectedFacilities);
    
    // 結果を表示
    displaySubsidies(subsidies);
  } catch (error) {
    showErrorMessage('補助金情報の取得に失敗しました。');
  }
});

// 補助金情報の表示関数
function displaySubsidies(subsidies) {
  const container = document.getElementById('results-container');
  container.innerHTML = '';
  
  if (subsidies.length === 0) {
    container.innerHTML = '<p>該当する補助金はありません。</p>';
    return;
  }
  
  subsidies.forEach(subsidy => {
    const card = document.createElement('div');
    card.className = 'subsidy-card';
    card.innerHTML = `
      <h3>${subsidy.title}</h3>
      <p><strong>地域:</strong> ${subsidy.prefecture} ${subsidy.city}</p>
      <p><strong>対象設備:</strong> ${subsidy.facility.join(', ')}</p>
      <p><strong>補助額上限:</strong> ${subsidy.price}</p>
      <p>${subsidy.overview}</p>
      <a href="${subsidy.url}" target="_blank">詳細情報</a>
    `;
    container.appendChild(card);
  });
}

// 顧客データに基づいて適切な補助金を表示
async function showRelevantSubsidies(customerData) {
  const prefecture = customerData.address.prefecture;
  const city = customerData.address.city;
  const interestedFacilities = customerData.interests.map(interest => {
    // 関心のある設備をAPIの設備コードに変換
    switch(interest) {
      case '太陽光': return '01';
      case '蓄電池': return '02';
      case 'EV': return '05';
      default: return null;
    }
  }).filter(code => code !== null);
  
  const subsidies = await getSubsidyData(
    getPrefectureCode(prefecture), 
    city, 
    interestedFacilities
  );
  
  return subsidies;
}

// 見積りの際に利用可能な補助金を自動的に適用
async function calculateQuoteWithSubsidies(quoteData) {
  const prefecture = quoteData.customer.prefecture;
  const city = quoteData.customer.city;
  
  // 見積り内の設備に基づいて設備コードを設定
  const facilityCodes = [];
  if (quoteData.items.includes('solar_panel')) facilityCodes.push('01');
  if (quoteData.items.includes('battery')) facilityCodes.push('02');
  if (quoteData.items.includes('heat_pump')) facilityCodes.push('03');
  
  // 該当する補助金を取得
  const subsidies = await getSubsidyData(
    getPrefectureCode(prefecture), 
    city, 
    facilityCodes
  );
  
  // 見積りに補助金情報を追加
  const totalSubsidyAmount = calculateApplicableSubsidies(quoteData, subsidies);
  
  return {
    ...quoteData,
    subsidies: subsidies,
    subsidyAmount: totalSubsidyAmount,
    finalPrice: quoteData.totalPrice - totalSubsidyAmount
  };
}