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| package requests
import (
"encoding/json"
"errors"
"fmt"
"io"
"log"
"net/http"
"net/url"
"reflect"
"strings"
)
type Client struct {
Url string
Headers map[string][]string
Params map[string][]string
Content string
Data interface{}
Json interface{}
}
type Response struct {
Status string
StatusCode int
Body string
}
func (c Client) newRequest(method string) (req *http.Request, err error) {
if reflect.ValueOf(c.Url).IsZero() {
err = errors.New(fmt.Sprintf("url is needed: client=%+v", c))
return
}
u, err := url.ParseRequestURI(c.Url)
if err != nil {
return
}
if !reflect.ValueOf(c.Params).IsNil() {
var params url.Values = c.Params
u.RawQuery = params.Encode()
}
body := ""
if reflect.ValueOf(c.Headers).IsNil() {
c.Headers = make(map[string][]string)
}
if !reflect.ValueOf(c.Content).IsZero() {
body = c.Content
} else if !reflect.ValueOf(c.Data).IsValid() {
c.Headers["Content-Type"] = []string{"application/x-www-form-urlencoded"}
var bodyBytes []byte
bodyBytes, err = json.Marshal(c.Json)
if err != nil {
return
}
body = string(bodyBytes)
} else if !reflect.ValueOf(c.Json).IsValid() {
c.Headers["Content-Type"] = []string{"application/json"}
var bodyBytes []byte
bodyBytes, err = json.Marshal(c.Json)
if err != nil {
return
}
body = string(bodyBytes)
}
req, err = http.NewRequest(method, u.String(), strings.NewReader(body))
if err != nil {
return
}
req.Header = c.Headers
return
}
func (c Client) parseResponse(resp *http.Response) (response *Response, err error) {
defer func(Body io.ReadCloser) {
err := Body.Close()
if err != nil {
log.Printf("close response body failed: err=%s", err)
}
}(resp.Body)
body, err := io.ReadAll(resp.Body)
if err != nil {
return
}
return &Response{
resp.Status,
resp.StatusCode,
string(body),
}, nil
}
func (c Client) Request(method string) (response *Response, err error) {
req, err := c.newRequest(method)
if err != nil {
return
}
client := http.Client{}
resp, err := client.Do(req)
if err != nil {
return
}
return c.parseResponse(resp)
}
func (c Client) Get() (response *Response, err error) {
return c.Request("GET")
}
func (c Client) Post() (response *Response, err error) {
return c.Request("POST")
}
|