/
query.go
84 lines (71 loc) · 1.6 KB
/
query.go
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package cocktail
import (
"bytes"
"encoding/json"
"io"
"net/http"
"net/url"
"time"
)
// Client is the Cocktail API client structure
type Client struct {
BaseURL *url.URL
HTTPClient *http.Client
}
// C is the exported default client
var C = Client{
BaseURL: &url.URL{
Host: "www.thecocktaildb.com",
Path: "/api/json/v1/1/",
Scheme: "https",
},
HTTPClient: &http.Client{
Timeout: time.Second * 10,
},
}
func (c *Client) newRequest(method, path string, body interface{}) (*http.Request, error) {
rel := &url.URL{Path: path}
u := c.BaseURL.ResolveReference(rel)
var buf io.ReadWriter
if body != nil {
buf = new(bytes.Buffer)
err := json.NewEncoder(buf).Encode(body)
if err != nil {
return nil, err
}
}
req, err := http.NewRequest(method, u.String(), buf)
if err != nil {
return nil, err
}
if body != nil {
req.Header.Set("Content-Type", "application/json")
}
req.Header.Set("Accept", "application/json")
return req, nil
}
func (c *Client) do(req *http.Request, v interface{}) (*http.Response, error) {
var err error
var resp *http.Response
if resp, err = c.HTTPClient.Do(req); err != nil {
return resp, err
}
defer resp.Body.Close()
err = json.NewDecoder(resp.Body).Decode(v)
return resp, err
}
// GetRandomDrink returns a single random FullDrink object
func (c *Client) GetRandomDrink() (*FullDrink, error) {
var err error
var req *http.Request
var d *FullDrink
var ds *FullDrinkList
if req, err = c.newRequest("GET", "random.php", nil); err != nil {
return d, err
}
_, err = c.do(req, &ds)
if len(ds.Drinks) > 0 {
d = ds.Drinks[0]
}
return d, err
}