position-handle

@@ -8,6 +8,39 @@ const helpers = global.yoho.helpers;
 const productPrcs = require('./product-process');
 
 /**
+ * 高度差必须在 30 以上
+ */
+const _differenceHeight = (param, item) => {
+    return Math.abs(item - param) < 30;
+};
+
+/**
+ * 检测产生的值是否符合条件
+ */
+const _isUnSuitable = (param, alreadyNumsArray, suitabelCall) => {
+    return _.find(alreadyNumsArray, item => {
+        return suitabelCall(param, item);
+    });
+};
+
+/**
+ * 随机生成标签位置
+ */
+const _randomNumForLabel = (max, alreadyNumsArray) => {
+    let result = 0;
+    let isUnSuitable = false;
+
+    do {
+        result = _.parseInt(_.random(1, max));
+        if (alreadyNumsArray && alreadyNumsArray.length) {
+            isUnSuitable = _isUnSuitable(result, alreadyNumsArray, _differenceHeight);
+        }
+    } while (isUnSuitable);
+
+    return result;
+};
+
+/**
  * 将商品转化成以 product_skn 为键名的对象
  * @param {*} goodsArray
  */
@@ -221,9 +254,25 @@ const processArticleDetail = (articleContent, isApp, gender, isWeixin, isqq, isW
 
         // 一张图片
         if (_.get(value, 'singleImage.data.length', false)) {
+            let tagList = _.get(value, 'singleImage.data[0].tagList', []);
+            let height = _.get(value, 'singleImage.data[0].height', '100');
+            let alreadyTop = [];
+            let alreadyLeft = [];
+
+            if (tagList.length > 0) {
+                _.forEach(tagList, (tag, tagIndex) => {
+                    tagList[tagIndex].top = _randomNumForLabel(height / 2,
+                        alreadyTop);
+                    alreadyTop.push(tagList[tagIndex].top);
+                    tagList[tagIndex].left = _randomNumForLabel(175);
+                    alreadyLeft.push(tagList[tagIndex].left);
+                });
+            }
+
             finalDetail.push({
                 bigImage: helpers.image(_.get(value, 'singleImage.data[0].src', ''), 640, 640),
-                noLazy: index <= 3
+                noLazy: index <= 3,
+                tagList: tagList
             });
         }