From 01a50276e1f8d30877a3894bd213a7a3ebef3bb8 Mon Sep 17 00:00:00 2001
From: niunai <colonD.wny@gmail.com>
Date: Fri, 8 Sep 2017 16:57:58 +0800
Subject: [PATCH] fix: file name change

---
 packages/sku/components/SkuStepper.vue | 100 +++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 packages/sku/components/SkuStepper.vue

diff --git a/packages/sku/components/SkuStepper.vue b/packages/sku/components/SkuStepper.vue
new file mode 100644
index 000000000..236ce49e0
--- /dev/null
+++ b/packages/sku/components/SkuStepper.vue
@@ -0,0 +1,100 @@
+<template>
+  <div class="van-sku-stepper-stock">
+    <div class="van-sku-stepper-container">
+      <div class="van-sku__stepper-title">{{ stepperTitle }}：</div>
+      <van-stepper v-model="currentNum" :min="1" :max="stepperLimit" class="van-sku__stepper" @overlimit="handleOverLimit"></van-stepper>
+    </div>
+    <div v-if="!hideStock" class="van-sku__stock">剩余{{ stock }}件</div>
+    <div v-if="quota > 0" class="van-sku__quota">每人限购{{ quota }}件</div>
+  </div>
+</template>
+
+<script>
+import Stepper from 'packages/stepper';
+import { LIMIT_TYPE } from '../constants';
+
+const { QUOTA_LIMIT, STOCK_LIMIT } = LIMIT_TYPE;
+
+export default {
+  name: 'van-sku-stepper',
+
+  components: {
+    [Stepper.name]: Stepper
+  },
+
+  props: {
+    skuEventBus: Object,
+    sku: Object,
+    selectedSku: Object,
+    selectedSkuComb: Object,
+    selectedNum: Number,
+    quota: Number,
+    quotaUsed: Number,
+    hideStock: {
+      type: Boolean,
+      default: false
+    },
+    stepperTitle: {
+      type: String,
+      default: '购买数量'
+    }
+  },
+
+  data() {
+    return {
+      currentNum: this.selectedNum,
+      // 购买限制类型: 限购/库存
+      limitType: STOCK_LIMIT
+    };
+  },
+
+  watch: {
+    currentNum(num) {
+      this.skuEventBus.$emit('sku:numChange', num);
+    },
+    stepperLimit(limit) {
+      if (limit < this.currentNum) {
+        this.currentNum = limit;
+      }
+    }
+  },
+
+  computed: {
+    stock() {
+      if (this.selectedSkuComb) {
+        return this.selectedSkuComb.stock_num;
+      }
+      return this.sku.stock_num;
+    },
+    stepperLimit() {
+      const quotaLimit = this.quota - this.quotaUsed;
+      let limit;
+
+      // 无限购时直接取库存，有限购时取限购数和库存数中小的那个
+      if (this.quota > 0 && quotaLimit <= this.stock) {
+        // 修正负的limit
+        limit = quotaLimit < 0 ? 0 : quotaLimit;
+        this.limitType = QUOTA_LIMIT;
+      } else {
+        limit = this.stock;
+      }
+
+      return limit;
+    }
+  },
+
+  methods: {
+    setCurrentNum(num) {
+      this.currentNum = num;
+    },
+    handleOverLimit(action) {
+      this.skuEventBus.$emit('sku:overLimit', {
+        action,
+        limitType: this.limitType,
+        quota: this.quota,
+        quotaUsed: this.quotaUsed
+      });
+    }
+  }
+};
+</script>