101 lines
3.5 KiB
Go
101 lines
3.5 KiB
Go
package coupon
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import (
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// "encoding/json"
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// "log"
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"time"
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// "loreal.com/dit/cmd/coupon-service/coupon"
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"loreal.com/dit/cmd/coupon-service/base"
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"github.com/mitchellh/mapstructure"
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)
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const timeLayout string = "2006-01-02 15:04:05 -07"
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// BodyComposer 发卡时生成rule的body，用来存在coupon中
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type BodyComposer interface {
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Compose(requester *base.Requester, couponTypeID string, ruleBody map[string]interface{}) (map[string]interface{}, error)
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}
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// RedeemTimesBodyComposer 生成兑换次数的内容
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type RedeemTimesBodyComposer struct {
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}
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// RedeemBySameBrandBodyComposer 生成兑换次数的内容
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type RedeemBySameBrandBodyComposer struct {
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}
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// RedeemPeriodWithOffsetBodyComposer 生成有效期的内容
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type RedeemPeriodWithOffsetBodyComposer struct {
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}
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// RedeemInCurrentNatureTimeUnitBodyComposer 生成有效期的内容
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type RedeemInCurrentNatureTimeUnitBodyComposer struct {
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}
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// Compose 生成兑换次数的内容
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// 规则体像 {"times": 1024}
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func (*RedeemTimesBodyComposer) Compose(requester *base.Requester, couponTypeID string, ruleBody map[string]interface{}) (map[string]interface{}, error) {
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return ruleBody, nil
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}
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// Compose 生成由同品牌才能兑换的内容
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// 规则体像 {"brand":"Lancome"}
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func (*RedeemBySameBrandBodyComposer) Compose(requester *base.Requester, couponTypeID string, ruleBody map[string]interface{}) (map[string]interface{}, error) {
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if base.IsEmptyString(requester.Brand) {
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return nil, &ErrRequesterHasNoBrand
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}
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var brand = make(map[string]interface{})
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brand["brand"] = requester.Brand
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// var brand = sameBrand{
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// Brand: requester.Brand,
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// }
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return brand, nil
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// return (&brand).(map[string]interface{}), nil
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}
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// Compose 生成卡券有效期的规则体
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// 模板内的规则类似这样的格式： {"offSetFromAppliedDay": 14,"timeSpan": 365}， 表示从领用日期延期14天后生效可以兑换，截止日期是14+365天内。
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// 如果offSetFromAppliedDay=0，则当天生效。如果 timeSpan=0，则无过期时间。
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// 时间单位都是天。
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// 生成卡券后的规则：{ "startTime": "2020-02-14T00:00:00+08:00", "endTime": null }， 表示从2020-02-14日 0点开始，无过期时间。
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func (*RedeemPeriodWithOffsetBodyComposer) Compose(requester *base.Requester, couponTypeID string, ruleBody map[string]interface{}) (map[string]interface{}, error) {
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var offset offsetSpan
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if err := mapstructure.Decode(ruleBody, &offset); err != nil {
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return nil, &ErrCouponRulesBadFormat
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}
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var span = make(map[string]interface{})
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// var i int
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// var ok bool
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// if i, ok = ruleBody["offSetFromAppliedDay"].(int); !ok {
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// return nil, &ErrCouponRulesBadFormat
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// }
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var st = time.Now().Local().AddDate(0, 0, int(offset.OffSetFromAppliedDay))
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// 时分秒清零
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// st = Time.Date(st.Year())
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span["startTime"] = st.Format(timeLayout)
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// if i, ok = ruleBody["timeSpan"].(int); !ok {
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// return nil, &ErrCouponRulesBadFormat
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// }
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ts := offset.TimeSpan
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if 0 != ts {
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var et = st.AddDate(0, 0, int(ts))
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span["endTime"] = et.Format(timeLayout)
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}
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return span, nil
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}
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// Compose 生成卡券有效期的规则体，基于自然月，季度，年等。
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// 模板内的规则类似这样的格式： {"unit": "MONTH", "endInAdvance": 5}， 表示领用当月生效，但在当月结束前5天过期。
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// endInAdvance 的单位是 天， 默认为 0。
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func (*RedeemInCurrentNatureTimeUnitBodyComposer) Compose(requester *base.Requester, couponTypeID string, ruleBody map[string]interface{}) (map[string]interface{}, error) {
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return ruleBody, nil
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}
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