/
payment-page.go
57 lines (43 loc) · 1.3 KB
/
payment-page.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
package paymentpage
import (
"net/url"
"strconv"
"strings"
)
// Structure for build payment URL
type PaymentPage struct {
// Payment domain with path
baseUrl string
// Signature handler for generate signature
signatureHandler SignatureHandler
}
// Method for set base payment page URL
func (p *PaymentPage) SetBaseUrl(baseUrl string) *PaymentPage {
p.baseUrl = baseUrl
return p
}
// Method build payment URL
func (p *PaymentPage) GetUrl(payment Payment) string {
signature := p.signatureHandler.Sign(payment.GetParams())
queryArray := []string{}
for key, value := range payment.GetParams() {
preparedValue := ""
switch value := value.(type) {
case string:
preparedValue = value
case int:
preparedValue = strconv.Itoa(value)
case bool:
preparedValue = strconv.FormatBool(value)
}
queryArray = append(queryArray, concat(concat(key, "="), url.QueryEscape(preparedValue)))
}
queryString := strings.Join(queryArray, "&")
queryString = concat(queryString, concat("&signature=", url.QueryEscape(signature)))
return concat(p.baseUrl, concat("?", queryString))
}
// Constructor for PaymentPage structure
func NewPaymentPage(signatureHandler SignatureHandler) *PaymentPage {
paymentPage := PaymentPage{"https://paymentpage.ecommpay.com/payment", signatureHandler}
return &paymentPage
}