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client.go
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client.go
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package client
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/http/cookiejar"
"time"
)
type Client struct {
u string
c *http.Client
}
func New(u string) (*Client, error) {
jar, err := cookiejar.New(nil)
if err != nil {
return nil, err
}
c := &http.Client{
Timeout: time.Second * 10,
Jar: jar,
}
return &Client{
u: u,
c: c,
}, nil
}
func (c *Client) get(p string, v interface{}) error {
resp, err := c.c.Get(c.u + p)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("Failed http request. Status:%d, Error:%s", resp.StatusCode, string(body))
}
if v == nil {
return nil
}
return json.NewDecoder(resp.Body).Decode(v)
}
func (c *Client) postWithResponse(p string, v interface{}, ret interface{}) error {
buf := new(bytes.Buffer)
if v != nil {
if err := json.NewEncoder(buf).Encode(v); err != nil {
return err
}
}
req, err := http.NewRequest("POST", c.u+p, buf)
if err != nil {
return err
}
resp, err := c.c.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("Failed http request. Status:%d, Error:%s", resp.StatusCode, string(body))
}
if ret == nil {
return nil
}
return json.NewDecoder(resp.Body).Decode(ret)
}
func (c *Client) post(p string, v interface{}) error {
return c.postWithResponse(p, v, nil)
}
func (c *Client) put(p string, v interface{}) error {
buf := new(bytes.Buffer)
if v != nil {
if err := json.NewEncoder(buf).Encode(v); err != nil {
return err
}
}
req, err := http.NewRequest("PUT", c.u+p, buf)
if err != nil {
return err
}
resp, err := c.c.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("Failed http request. Status:%d, Error:%s", resp.StatusCode, string(body))
}
return nil
}
func (c *Client) delete(p string) error {
buf := new(bytes.Buffer)
req, err := http.NewRequest("DELETE", c.u+p, buf)
if err != nil {
return err
}
resp, err := c.c.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
if err != nil {
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("Failed http request. Status:%d, Error:%s", resp.StatusCode, string(body))
}
}
return nil
}