정부혜택 정보 (API 구현)

• 등록일시(이상) : cond[등록일시::GTE]
• 등록일시(이하) : cond[등록일시::LTE]
• 소관기관유형 : cond[소관기관유형::LIKE]
• 기타 파라미터 : https://www.data.go.kr/data/15113968/openapi.do 참고

/**
 * 정부혜택 서비스 관련 API
 */
export class PublicService {
	/**
	 * @param {string} authkey - data.go.kr 인증 키
	 */
	constructor(authkey) {
		this.authkey = authkey;
	}

	async getList(opts) {

		const { startDate, endDate, page=1, perPage=9, organ } = opts;

		let conds = [];
		
		if(startDate) {
			const strDate = DateUtil.format('yyyyMMdd', startDate);
			conds.push(encodeURIComponent('cond[등록일시::GTE]')+`=${strDate}`);
		} else {
			const date = new Date();
			date.setFullYear(date.getFullYear() - 1);
			date.setMonth(0);
			date.setDate(1);
			
			const strDate = DateUtil.format('yyyyMMdd', date);
			conds.push(encodeURIComponent('cond[등록일시::GTE]')+`=${strDate}`);
		}

		if(endDate) {
			const strDate = DateUtil.format('yyyyMMdd', endDate);
			conds.push(encodeURIComponent('cond[등록일시::LTE]')+`=${strDate}`);
		}

		if(organ) {
			conds.push(encodeURIComponent('cond[소관기관유형::LIKE]')+`=${organ}`);
		}

		const cond = conds.join('&');

		const fetchUrl = 'https://api.odcloud.kr/api/gov24/v3/serviceList';
		const url = `${fetchUrl}?serviceKey=${this.authkey}&page=${page}&perPage=${perPage}&${cond}`;

		const res = await fetch(url, {
			headers: {
				'accept': 'application/json'
			}
		});
		if (!res.ok) {
			throw new Error('API 응답 실패');
		}

		return await res.json();
	}
}