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client.go
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client.go
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package sandbox
import (
"crypto/md5"
"encoding/json"
"errors"
kernel2 "github.com/ArtisanCloud/PowerWeChat/v2/src/kernel"
"github.com/ArtisanCloud/PowerWeChat/v2/src/payment/kernel"
"time"
)
type Client struct {
*kernel.BaseClient
*kernel2.InteractsWithCache
}
func NewClient(app *kernel.ApplicationPaymentInterface) (*Client, error) {
baseClient, err := kernel.NewBaseClient(app)
if err != nil {
return nil, err
}
return &Client{
baseClient,
&kernel2.InteractsWithCache{},
}, nil
}
func (comp *Client) GetKey() (string, error) {
cache := comp.GetCache()
key := comp.GetCacheKey()
cacheKey, err := cache.Get(key, "")
if cacheKey == nil || err != nil {
return "", err
}
strCacheKey := cacheKey.(string)
if strCacheKey != "" {
return strCacheKey, nil
}
response, err := comp.RequestArray("sandboxnew/pay/getsignkey", "POST", nil, nil, nil)
if err != nil {
return "", err
}
var (
returnCode string
sandboxSignKey string
)
if (*response)["return_code"] != nil {
returnCode = (*response)["return_code"].(string)
}
if returnCode == "SUCCESS" {
sandboxSignKey = (*response)["sandbox_signkey"].(string)
err = cache.Set(key, sandboxSignKey, time.Hour)
if err != nil {
return "", err
} else {
return sandboxSignKey, nil
}
} else {
returnMessage := "sandbox client get key error"
if (*response)["retmsg"] != nil {
returnMessage = (*response)["retmsg"].(string)
} else if (*response)["return_msg"] != nil {
returnMessage = (*response)["return_msg"].(string)
}
return "", errors.New(returnMessage)
}
}
func (comp *Client) GetCacheKey() string {
config := (*comp.App).GetConfig()
strData := config.GetString("app_id", "") + config.GetString("mch_id", "")
data, _ := json.Marshal(strData)
buffer := md5.Sum(data)
cacheKey := "powerwechat.payment.sandbox." + string(buffer[:])
// tbf
//fmt2.Dump(cacheKey)
return cacheKey
}