org.jeewx.api.coupon.consume.JwCardConsumeAPI Maven / Gradle / Ivy

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JEEWX-API(微信极速SDK、同时支持微信公众号\企业微信\支付窗\小程序\微博).
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package org.jeewx.api.coupon.consume;

import net.sf.json.JSONObject;

import org.jeewx.api.coupon.consume.model.ConsumeRtnInfo;
import org.jeewx.api.coupon.consume.model.EncryptRtnInfo;
import org.jeewx.api.core.common.AccessToken;
import org.jeewx.api.core.common.WxstoreUtils;

/**
 * 微信卡券 - 核销接口
 * @author mcl
 * @version v1.0
 */
public class JwCardConsumeAPI {
	// 消耗code 即核销一张卡券
	private static final String consume_code_url = "https://api.weixin.qq.com/card/code/consume?access_token=ACCESS_TOKEN";
	// 解码code
	private static final String decrypt_code_url = "https://api.weixin.qq.com/card/code/decrypt?access_token=ACCESS_TOKEN";

	/**
	 * 核销一张卡券.
	 * 
	 * @param consumeCode
	 * @return
	 */
	public static ConsumeRtnInfo doConsume(String newAccessToken,String code,String card_id) {
		if (newAccessToken != null) {
			String requestUrl = consume_code_url.replace("ACCESS_TOKEN",
					newAccessToken);
			String json = emptyStrJson("code",code,"card_id",card_id);
			JSONObject result = WxstoreUtils.httpRequest(requestUrl, "POST", json);
			ConsumeRtnInfo consumeRtnInfo = (ConsumeRtnInfo) JSONObject.toBean(
					result, ConsumeRtnInfo.class);
			return consumeRtnInfo;
		}
		return null;
	}
	
	/**
	 * 解码code. 解码接口支持两种场景： 1.商家获取choos_card_info 后，将card_id 和encrypt_code
	 * 字段通过解码接口，获取真实code。 2.卡券内跳转外链的签名中会对code 进行加密处理，通过调用解码接口获取真实code。
	 * @param encrypt_code
	 * @return
	 */
	public static EncryptRtnInfo doDecrypt(String newAccessToken,String encrypt_code) {
		if (newAccessToken != null) {
			String requestUrl = decrypt_code_url.replace("ACCESS_TOKEN",
					newAccessToken);
			String json = emptyStrJson("encrypt_code",encrypt_code);
			JSONObject result = WxstoreUtils.httpRequest(requestUrl, "POST", json);
			EncryptRtnInfo encryptRtnInfo = (EncryptRtnInfo) JSONObject.toBean(
					result, EncryptRtnInfo.class);
			return encryptRtnInfo;
		}
		return null;
	}
	/**
	 * 主要解决传入参数为null或""生成json的问题。
	 */
	private static String emptyStrJson(String field1,String value1){
		String json = "";
		if(value1!=null && value1.trim().length() > 0){
			json = "{\""+field1+"\":\""+value1+"\"}";
		}
		return json;
	}
	/**
	 * 主要解决传入参数为null或""生成json的问题。
	 */
	private static String emptyStrJson(String field1,String value1,String field2,String value2){
		String json = "";
		if(value1!=null && value1.trim().length() > 0){
			json = "{\""+field1+"\":\""+value1+"\"";
		}
		if(value2!=null && value2.trim().length() > 0){
			if(json.trim().length() > 0){
				json = json+",\""+field2+"\":\""+value2+"\"}";
			}else{
				json = "{\""+field2+"\":\""+value2+"\"}";
			}
		}
		if(json.trim().length() > 0 && !json.endsWith("}")){
			json = json + "}";
		}
		return json;
	}
}