-
Notifications
You must be signed in to change notification settings - Fork 0
/
credit_card.go
180 lines (148 loc) · 4.93 KB
/
credit_card.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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
package paygent
import (
"encoding/csv"
"errors"
"fmt"
"strconv"
"strings"
"time"
"github.com/qor/gomerchant"
)
func getValidTerm(creditCard *gomerchant.CreditCard) string {
year := fmt.Sprint(creditCard.ExpYear)
if len(year) >= 2 {
year = year[len(year)-2:]
} else {
year = ""
}
return fmt.Sprintf("%02d", creditCard.ExpMonth) + year
}
var brandsMap = map[string]string{"visa": "V", "master": "M", "american_express": "X", "diners_club": "C", "jcb": "J"}
func (paygent *Paygent) CreateCreditCard(creditCardParams gomerchant.CreateCreditCardParams) (gomerchant.CreditCardResponse, error) {
var (
response = gomerchant.CreditCardResponse{CustomerID: creditCardParams.CustomerID}
creditCard = creditCardParams.CreditCard
brand, _ = brandsMap[creditCard.Brand()]
)
results, err := paygent.Request("025", gomerchant.Params{
"customer_id": creditCardParams.CustomerID,
"card_number": creditCard.Number,
"card_valid_term": getValidTerm(creditCard),
"cardholder_name": creditCard.Name,
"card_brand": brand,
}.IgnoreBlankFields())
if err == nil {
if customerCardID, ok := results.Get("customer_card_id"); ok {
response.CreditCardID = fmt.Sprint(customerCardID)
}
}
response.Params = results.Params
return response, err
}
func (paygent *Paygent) GetCreditCard(getCreditCardParams gomerchant.GetCreditCardParams) (gomerchant.GetCreditCardResponse, error) {
var response gomerchant.GetCreditCardResponse
results, err := paygent.Request("027", gomerchant.Params{"customer_id": getCreditCardParams.CustomerID, "credit_card_id": getCreditCardParams.CreditCardID})
if err == nil {
cards, err := parseListCreditCardsResponse(&results)
if len(cards) > 0 {
response.CreditCard = cards[0]
} else {
err = errors.New("credit card not found")
}
return response, err
}
return response, err
}
func (paygent *Paygent) DeleteCreditCard(deleteCreditCardParams gomerchant.DeleteCreditCardParams) (gomerchant.DeleteCreditCardResponse, error) {
var response = gomerchant.DeleteCreditCardResponse{}
results, err := paygent.Request("026", gomerchant.Params{"customer_id": deleteCreditCardParams.CustomerID, "customer_card_id": deleteCreditCardParams.CreditCardID}.IgnoreBlankFields())
response.Params = results.Params
return response, err
}
func (paygent *Paygent) ListCreditCards(listCreditCardsParams gomerchant.ListCreditCardsParams) (gomerchant.ListCreditCardsResponse, error) {
var response = gomerchant.ListCreditCardsResponse{}
results, err := paygent.Request("027", gomerchant.Params{"customer_id": listCreditCardsParams.CustomerID})
if err == nil {
response.CreditCards, err = parseListCreditCardsResponse(&results)
}
if results.ResponseCode == "P026" {
err = nil
}
return response, err
}
func parseListCreditCardsResponse(response *Response) (cards []*gomerchant.CustomerCreditCard, err error) {
var headers []string
for _, str := range strings.Split(response.RawBody, "\r\n") {
if str != "" {
row := csv.NewReader(strings.NewReader(str))
if record, err := row.Read(); err == nil {
if len(record) == 0 {
return nil, errors.New("wrong format")
}
switch record[0] {
case "1":
// response information
if len(record) != 4 {
return nil, errors.New("wrong format")
}
response.Result = record[1]
response.ResponseCode = record[2]
response.ResponseDetail = record[3]
case "2":
// card header
headers = record
case "3":
// card information
params := gomerchant.Params{}
for idx, value := range record {
params[headers[idx]] = value
}
customerCard := &gomerchant.CustomerCreditCard{Params: params}
if v, ok := params.Get("customer_id"); ok {
customerCard.CustomerID = fmt.Sprint(v)
}
if v, ok := params.Get("customer_card_id"); ok {
customerCard.CreditCardID = fmt.Sprint(v)
}
if v, ok := params.Get("cardholder_name"); ok {
customerCard.CustomerName = fmt.Sprint(v)
}
if v, ok := params.Get("card_number"); ok {
customerCard.MaskedNumber = fmt.Sprint(v)
}
if v, ok := params.Get("card_brand"); ok {
for key, value := range brandsMap {
if fmt.Sprint(v) == value {
customerCard.Brand = key
}
}
if customerCard.Brand == "" {
customerCard.Brand = fmt.Sprint(v)
}
}
if v, ok := params.Get("card_valid_term"); ok {
if u, err := strconv.Atoi(fmt.Sprint(v)[0:2]); err == nil {
customerCard.ExpMonth = uint(u)
}
if u, err := strconv.Atoi(fmt.Sprint(v)[2:4]); err == nil {
customerCard.ExpYear = uint(time.Now().Year()/100*100 + u)
}
}
cards = append(cards, customerCard)
case "4":
// card numbers
}
} else {
return nil, err
}
}
}
if response.Result == "1" {
if response.ResponseDetail != "" {
err = errors.New(response.ResponseDetail)
} else {
err = errors.New("failed to process this request")
}
}
return cards, err
}