-
Notifications
You must be signed in to change notification settings - Fork 0
/
requests.go
111 lines (103 loc) · 2.8 KB
/
requests.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
// Author: Daniel TAN
// Date: 2021-09-03 12:24:12
// LastEditors: Daniel TAN
// LastEditTime: 2021-10-18 01:52:01
// FilePath: /trinity-micro/core/requests/requests.go
// Description:
package requests
import (
"bytes"
"context"
"encoding/json"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"net/http"
"strings"
)
type Interceptor func(r *http.Request) error
var _ Requests = new(HttpRequest)
type HttpRequest struct {
}
func NewRequest() Requests {
return &HttpRequest{}
}
// Call
// will return the err when the response code is not >=200 or <= 300
// will decode the response to dest even it return error
func (r *HttpRequest) Call(ctx context.Context, method string, url string, header http.Header, body interface{}, dest interface{}, requestInterceptors ...Interceptor) error {
var bodyTemp io.Reader
if body != nil {
r, ok := body.(io.Reader)
if ok {
bodyTemp = r
} else {
var bodyBytes []byte
by, ok := body.([]byte)
if ok {
bodyBytes = by
} else {
mime := header.Get(HeaderMime)
switch mime {
case MimeXML, MimeTextXML:
var err error
bodyBytes, err = xml.Marshal(body)
if err != nil {
return fmt.Errorf("encode xml error, err: %v", err)
}
default:
var err error
bodyBytes, err = json.Marshal(body)
if err != nil {
return fmt.Errorf("encode json error, err: %v", err)
}
}
}
bodyTemp = bytes.NewReader(bodyBytes)
}
}
req, err := http.NewRequest(method, url, bodyTemp)
if err != nil {
return fmt.Errorf("new request error, err: %v", err)
}
req.Header = header
for _, interceptor := range requestInterceptors {
if err := interceptor(req); err != nil {
return fmt.Errorf("new request interceptor error, err: %v", err)
}
}
client := new(http.Client)
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("do request error, err: %v", err)
}
defer resp.Body.Close()
bodyRes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("read request body error, err: %v", err)
}
resbody := ioutil.NopCloser(bytes.NewReader(bodyRes))
mime := resp.Header.Get(HeaderMime)
contextType := strings.Split(mime, ";")[0]
switch contextType {
case MimeTextXML, MimeXML:
if err := xml.NewDecoder(resbody).Decode(dest); err != nil {
return fmt.Errorf("decode xml error, err: %v", err)
}
case MimeTextHTML:
bodyHTML, err := ioutil.ReadAll(resbody)
if err != nil {
return fmt.Errorf("read html error, err: %v", err)
}
return fmt.Errorf("html unsupported decode to destination, content: %v", string(bodyHTML))
default:
if err := json.NewDecoder(resbody).Decode(dest); err != nil {
return fmt.Errorf("decode json error, err: %v", err)
}
}
if resp.StatusCode < 200 || resp.StatusCode > 299 {
return fmt.Errorf("actual http response code, actual: %v", resp.StatusCode)
}
return nil
}