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sendios.go
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sendios.go
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package sendios
import (
"fmt"
"github.com/pkg/errors"
"io"
"io/ioutil"
"log"
"net/http"
"net/http/httputil"
"net/url"
"os"
"strconv"
)
type Client struct {
Config Config
HTTPClient *http.Client
DebugRequests bool
}
type Config struct {
Project int
ClientID int
ClientToken string
}
func New(projectID, clientID int, clientToken string) *Client {
return &Client{
Config: Config{
Project: projectID,
ClientID: clientID,
ClientToken: clientToken,
},
HTTPClient: &http.Client{},
}
}
func NewFromEnv() (*Client, error) {
config := os.Getenv("SENDIOS_CONFIG")
if config == "" {
return nil, nil
}
return NewFromConfig(config)
}
func NewFromConfig(config string) (*Client, error) {
values, err := url.ParseQuery(config)
if err != nil {
return nil, errors.Wrap(err, "parse config")
}
c := Client{HTTPClient: &http.Client{}}
if val, ok := values["client_id"]; ok {
c.Config.ClientID, err = strconv.Atoi(val[0])
if err != nil {
return nil, errors.Wrap(err, "parse client_id from env")
}
}
if val, ok := values["client_token"]; ok {
c.Config.ClientToken = val[0]
}
if val, ok := values["project"]; ok {
c.Config.Project, err = strconv.Atoi(val[0])
if err != nil {
return nil, errors.Wrap(err, "parse project from env")
}
}
if c.Config.ClientID < 0 || c.Config.ClientToken == "" || c.Config.Project < 0 {
return nil, nil
}
return &c, nil
}
func (c *Client) makeRequest(method, url string, reader io.Reader) (int, []byte, error) {
req, err := http.NewRequest(method, url, reader)
if err != nil {
return 0, nil, err
}
req.SetBasicAuth(strconv.Itoa(c.Config.ClientID), c.Config.ClientToken)
req.Header.Add("Content-Type", "application/json")
req.Header.Add("Accept", "application/json")
if c.DebugRequests {
data, _ := httputil.DumpRequest(req, true)
fmt.Printf("Sendios request:\n%s\n", data)
}
resp, err := c.HTTPClient.Do(req)
if err != nil {
return 0, nil, errors.Wrap(err, "send request")
}
defer func() {
if err := resp.Body.Close(); err != nil {
log.Println(err)
}
}()
if c.DebugRequests {
data, _ := httputil.DumpResponse(resp, true)
fmt.Printf("Sendios response:\n%s\n", data)
}
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return resp.StatusCode, nil, errors.Wrap(err, "read body")
}
return resp.StatusCode, data, nil
}
type Meta struct {
Status string `json:"status"`
Time int `json:"time"`
Count int `json:"count"`
}
type ErrorResponse struct {
Meta `json:"_meta"`
Data struct {
Error string `json:"error"`
} `json:"data"`
}