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client.go
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client.go
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package jiffybox
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"net/url"
"os"
"strings"
)
const ENV_API_TOKEN = "JIFFYBOX_API_KEY"
type Client struct {
ApiKey string
}
func abortWith(message string) {
fmt.Println("ERROR: " + message)
os.Exit(1)
}
func NewFromEnv() *Client {
return &Client{ApiKey: os.Getenv(ENV_API_TOKEN)}
}
func (client *Client) Validate() error {
if client.ApiKey == "" {
return fmt.Errorf("ApiKey must be set")
}
return nil
}
func (client *Client) BaseUrl() string {
return "https://api.jiffybox.de/" + client.ApiKey + "/v1.0"
}
type Response struct {
Messages []string `json:"messages"`
Result bool `json:"result"`
}
type HttpResponse struct {
StatusCode int
Content []byte
Response *http.Response
}
func (client *Client) unmarshalResponse(rsp *http.Response, i interface{}) error {
defer rsp.Body.Close()
b, e := ioutil.ReadAll(rsp.Body)
if e != nil {
return e
}
return client.unmarshal(b, i)
}
func (client *Client) unmarshal(b []byte, i interface{}) error {
er := &ErrorResponse{}
e := json.Unmarshal(b, er)
if e == nil {
allErrors := []string{}
for _, message := range er.Messages {
allErrors = append(allErrors, message.Message)
}
if len(allErrors) > 0 {
return fmt.Errorf(strings.Join(allErrors, ", "))
}
}
return json.Unmarshal(b, i)
}
func (client *Client) PostForm(action string, values url.Values) (rsp *HttpResponse, e error) {
u := client.BaseUrl() + "/" + action
logger.Print("sending request " + u)
httpResponse, e := http.PostForm(u, values)
if e != nil {
return nil, e
}
dbg.Printf("got status %s", httpResponse.Status)
rsp = &HttpResponse{
StatusCode: httpResponse.StatusCode,
}
rsp.Content, e = ioutil.ReadAll(httpResponse.Body)
rsp.Response = httpResponse
if e != nil {
return nil, e
}
return rsp, e
}
var logger = log.New(os.Stderr, "", 0)
func debugStream() io.Writer {
if os.Getenv("DEBUG") == "true" {
return os.Stderr
}
return ioutil.Discard
}
var dbg = log.New(debugStream(), "[DEBUG] ", log.Lshortfile)
type ErrorResponse struct {
Messages []*Message `json:"messages"`
Result bool `json:"result"`
}
func (client *Client) LoadResource(action string, i interface{}) error {
u := client.BaseUrl() + "/" + action
dbg.Print("loading " + u)
rsp, e := http.Get(u)
if e != nil {
return e
}
return client.unmarshalResponse(rsp, i)
}