feat(lottery):新增获取最近中奖记录接口

src/main/java/com/uas/platform/b2c/common/lottery/service/WinningHistoryService.java

@@ -0,0 +1,19 @@
+package com.uas.platform.b2c.common.lottery.service;
+
+import com.uas.platform.b2c.trade.support.ResultMap;
+
+/**
+ * Created by wangyc on 2018/9/12.
+ *
+ * @version 2018/9/12 18:45 wangyc
+ */
+public interface WinningHistoryService {
+
+    /**
+     * 获取获奖记录
+     * @param activityCode 活动编号
+     * @param size 条数
+     * @return
+     */
+    ResultMap getWinningHistories(String activityCode, Integer size);
+}

src/main/java/com/uas/platform/b2c/common/lottery/service/impl/WinningHistoryServiceImpl.java

@@ -0,0 +1,51 @@
+package com.uas.platform.b2c.common.lottery.service.impl;
+
+import com.alibaba.fastjson.JSON;
+import com.uas.platform.b2c.common.lottery.service.WinningHistoryService;
+import com.uas.platform.b2c.core.config.SysConf;
+import com.uas.platform.b2c.trade.support.CodeType;
+import com.uas.platform.b2c.trade.support.ResultMap;
+import com.uas.platform.core.util.HttpUtil;
+import com.uas.platform.core.util.HttpUtil.Response;
+import java.util.HashMap;
+import java.util.Map;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+/**
+ * Created by wangyc on 2018/9/12.
+ *
+ * @version 2018/9/12 18:48 wangyc
+ */
+@Service
+public class WinningHistoryServiceImpl implements WinningHistoryService {
+
+    private final SysConf sysConf;
+
+    // 获取当前等级奖品路径
+    private static final String GET_WINNING_HOSTORIES_TOP_URL = "/winninghistorys/top";
+
+    @Autowired
+    public WinningHistoryServiceImpl(SysConf sysConf) {
+        this.sysConf = sysConf;
+    }
+
+    @Override
+    public ResultMap getWinningHistories(String activityCode, Integer size) {
+        if (StringUtils.isEmpty(activityCode)) {
+            return new ResultMap(CodeType.PARAMETER_ERROR, "活动信息不完全，请确认活动信息");
+        }
+
+        Map<String, Object> params = new HashMap<>();
+        params.put("activityCode", activityCode);
+        params.put("size", size == null ? 20 : size);
+
+        try {
+            Response response = HttpUtil.sendGetRequest(sysConf.getLottery() + GET_WINNING_HOSTORIES_TOP_URL, params);
+            return JSON.parseObject(response.getResponseText(), ResultMap.class);
+        } catch (Exception e) {
+            return new ResultMap(CodeType.ERROR_STATE, "获取中奖信息错误，请重试");
+        }
+    }
+}