1package main
2
3import (
4 "demo/wxpay_utility"
5 "encoding/json"
6 "fmt"
7 "net/http"
8 "net/url"
9 "strings"
10)
11
12func main() {
13
14 config, err := wxpay_utility.CreateMchConfig(
15 "19xxxxxxxx",
16 "1DDE55AD98Exxxxxxxxxx",
17 "/path/to/apiclient_key.pem",
18 "PUB_KEY_ID_xxxxxxxxxxxxx",
19 "/path/to/wxp_pub.pem",
20 )
21 if err != nil {
22 fmt.Println(err)
23 return
24 }
25
26 request := &GetProductCouponRequest{
27 ProductCouponId: wxpay_utility.String("1000000013"),
28 BrandId: wxpay_utility.String("120344"),
29 }
30
31 response, err := GetProductCoupon(config, request)
32 if err != nil {
33 fmt.Printf("请求失败: %+v\n", err)
34
35 return
36 }
37
38
39 fmt.Printf("请求成功: %+v\n", response)
40}
41
42func GetProductCoupon(config *wxpay_utility.MchConfig, request *GetProductCouponRequest) (response *ProductCouponEntity, err error) {
43 const (
44 host = "https://api.mch.weixin.qq.com"
45 method = "GET"
46 path = "/v3/marketing/partner/product-coupon/product-coupons/{product_coupon_id}"
47 )
48
49 reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
50 if err != nil {
51 return nil, err
52 }
53 reqUrl.Path = strings.Replace(reqUrl.Path, "{product_coupon_id}", url.PathEscape(*request.ProductCouponId), -1)
54 query := reqUrl.Query()
55 if request.BrandId != nil {
56 query.Add("brand_id", *request.BrandId)
57 }
58 reqUrl.RawQuery = query.Encode()
59 httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
60 if err != nil {
61 return nil, err
62 }
63 httpRequest.Header.Set("Accept", "application/json")
64 httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
65 authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
66 if err != nil {
67 return nil, err
68 }
69 httpRequest.Header.Set("Authorization", authorization)
70
71 client := &http.Client{}
72 httpResponse, err := client.Do(httpRequest)
73 if err != nil {
74 return nil, err
75 }
76 respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
77 if err != nil {
78 return nil, err
79 }
80 if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
81
82 err = wxpay_utility.ValidateResponse(
83 config.WechatPayPublicKeyId(),
84 config.WechatPayPublicKey(),
85 &httpResponse.Header,
86 respBody,
87 )
88 if err != nil {
89 return nil, err
90 }
91 response := &ProductCouponEntity{}
92 if err := json.Unmarshal(respBody, response); err != nil {
93 return nil, err
94 }
95
96 return response, nil
97 } else {
98 return nil, wxpay_utility.NewApiException(
99 httpResponse.StatusCode,
100 httpResponse.Header,
101 respBody,
102 )
103 }
104}
105
106type GetProductCouponRequest struct {
107 ProductCouponId *string `json:"product_coupon_id,omitempty"`
108 BrandId *string `json:"brand_id,omitempty"`
109}
110
111func (o *GetProductCouponRequest) MarshalJSON() ([]byte, error) {
112 type Alias GetProductCouponRequest
113 a := &struct {
114 ProductCouponId *string `json:"product_coupon_id,omitempty"`
115 BrandId *string `json:"brand_id,omitempty"`
116 *Alias
117 }{
118
119 ProductCouponId: nil,
120 BrandId: nil,
121 Alias: (*Alias)(o),
122 }
123 return json.Marshal(a)
124}
125
126type ProductCouponEntity struct {
127 ProductCouponId *string `json:"product_coupon_id,omitempty"`
128 Scope *ProductCouponScope `json:"scope,omitempty"`
129 Type *ProductCouponType `json:"type,omitempty"`
130 UsageMode *UsageMode `json:"usage_mode,omitempty"`
131 SingleUsageInfo *SingleUsageInfo `json:"single_usage_info,omitempty"`
132 ProgressiveBundleUsageInfo *ProgressiveBundleUsageInfo `json:"progressive_bundle_usage_info,omitempty"`
133 DisplayInfo *ProductCouponDisplayInfo `json:"display_info,omitempty"`
134 OutProductNo *string `json:"out_product_no,omitempty"`
135 State *ProductCouponState `json:"state,omitempty"`
136 DeactivateRequestNo *string `json:"deactivate_request_no,omitempty"`
137 DeactivateTime *string `json:"deactivate_time,omitempty"`
138 DeactivateReason *string `json:"deactivate_reason,omitempty"`
139 BrandId *string `json:"brand_id,omitempty"`
140}
141
142type ProductCouponScope string
143
144func (e ProductCouponScope) Ptr() *ProductCouponScope {
145 return &e
146}
147
148const (
149 PRODUCTCOUPONSCOPE_ALL ProductCouponScope = "ALL"
150 PRODUCTCOUPONSCOPE_SINGLE ProductCouponScope = "SINGLE"
151 PRODUCTCOUPONSCOPE_CATEGORY ProductCouponScope = "CATEGORY"
152)
153
154type ProductCouponType string
155
156func (e ProductCouponType) Ptr() *ProductCouponType {
157 return &e
158}
159
160const (
161 PRODUCTCOUPONTYPE_NORMAL ProductCouponType = "NORMAL"
162 PRODUCTCOUPONTYPE_DISCOUNT ProductCouponType = "DISCOUNT"
163 PRODUCTCOUPONTYPE_EXCHANGE ProductCouponType = "EXCHANGE"
164)
165
166type UsageMode string
167
168func (e UsageMode) Ptr() *UsageMode {
169 return &e
170}
171
172const (
173 USAGEMODE_SINGLE UsageMode = "SINGLE"
174 USAGEMODE_PROGRESSIVE_BUNDLE UsageMode = "PROGRESSIVE_BUNDLE"
175)
176
177type SingleUsageInfo struct {
178 NormalCoupon *NormalCouponUsageRule `json:"normal_coupon,omitempty"`
179 DiscountCoupon *DiscountCouponUsageRule `json:"discount_coupon,omitempty"`
180}
181
182type ProgressiveBundleUsageInfo struct {
183 Count *int64 `json:"count,omitempty"`
184 IntervalDays *int64 `json:"interval_days,omitempty"`
185}
186
187type ProductCouponDisplayInfo struct {
188 Name *string `json:"name,omitempty"`
189 ImageUrl *string `json:"image_url,omitempty"`
190 BackgroundUrl *string `json:"background_url,omitempty"`
191 DetailImageUrlList []string `json:"detail_image_url_list,omitempty"`
192 OriginalPrice *int64 `json:"original_price,omitempty"`
193 ComboPackageList []ComboPackage `json:"combo_package_list,omitempty"`
194}
195
196type ProductCouponState string
197
198func (e ProductCouponState) Ptr() *ProductCouponState {
199 return &e
200}
201
202const (
203 PRODUCTCOUPONSTATE_AUDITING ProductCouponState = "AUDITING"
204 PRODUCTCOUPONSTATE_EFFECTIVE ProductCouponState = "EFFECTIVE"
205 PRODUCTCOUPONSTATE_DEACTIVATED ProductCouponState = "DEACTIVATED"
206)
207
208type NormalCouponUsageRule struct {
209 Threshold *int64 `json:"threshold,omitempty"`
210 DiscountAmount *int64 `json:"discount_amount,omitempty"`
211}
212
213type DiscountCouponUsageRule struct {
214 Threshold *int64 `json:"threshold,omitempty"`
215 PercentOff *int64 `json:"percent_off,omitempty"`
216}
217
218type ComboPackage struct {
219 Name *string `json:"name,omitempty"`
220 PickCount *int64 `json:"pick_count,omitempty"`
221 ChoiceList []ComboPackageChoice `json:"choice_list,omitempty"`
222}
223
224type ComboPackageChoice struct {
225 Name *string `json:"name,omitempty"`
226 Price *int64 `json:"price,omitempty"`
227 Count *int64 `json:"count,omitempty"`
228 ImageUrl *string `json:"image_url,omitempty"`
229 MiniProgramAppid *string `json:"mini_program_appid,omitempty"`
230 MiniProgramPath *string `json:"mini_program_path,omitempty"`
231}
232
