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|
package vastai
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"runtime"
)
type Client struct {
apiKey string
cli *http.Client
apiURL string
}
func New(apiKey string) *Client {
return &Client{
apiKey: apiKey,
cli: &http.Client{},
apiURL: "https://cloud.vast.ai/api",
}
}
func (c *Client) WithClient(cli *http.Client) *Client {
c.cli = cli
return c
}
func (c *Client) WithAPIURL(apiURL string) *Client {
c.apiURL = apiURL
return c
}
// Do performs a HTTP request with the appropriate authentication and user agent headers.
func (c *Client) Do(req *http.Request) (*http.Response, error) {
req.Header.Set("Authorization", "Bearer "+c.apiKey)
req.Header.Set("User-Agent", fmt.Sprintf("go/%s pkg:within.website/x/web/vastai", runtime.Version()))
return c.cli.Do(req)
}
func (c *Client) doRequestNoResponse(ctx context.Context, method, path string) error {
req, err := http.NewRequestWithContext(ctx, method, c.apiURL+path, nil)
if err != nil {
return err
}
resp, err := c.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode/100 != 2 {
return NewError(resp)
}
return nil
}
// zilch returns the zero value of a given type.
func zilch[T any]() T { return *new(T) }
func doJSON[Output any](ctx context.Context, c *Client, method, path string, wantStatusCode int) (Output, error) {
req, err := http.NewRequestWithContext(ctx, method, c.apiURL+path, nil)
if err != nil {
return zilch[Output](), err
}
resp, err := c.Do(req)
if err != nil {
return zilch[Output](), err
}
defer resp.Body.Close()
if resp.StatusCode != wantStatusCode {
return zilch[Output](), NewError(resp)
}
var output Output
if err := json.NewDecoder(resp.Body).Decode(&output); err != nil {
return zilch[Output](), err
}
return output, nil
}
func doJSONBody[Input any, Output any](ctx context.Context, c *Client, method, path string, input Input, wantStatusCode int) (Output, error) {
buf := new(bytes.Buffer)
if err := json.NewEncoder(buf).Encode(input); err != nil {
return zilch[Output](), err
}
req, err := http.NewRequestWithContext(ctx, method, c.apiURL+path, buf)
if err != nil {
return zilch[Output](), err
}
resp, err := c.Do(req)
if err != nil {
return zilch[Output](), err
}
defer resp.Body.Close()
if resp.StatusCode != wantStatusCode {
return zilch[Output](), NewError(resp)
}
var output Output
if err := json.NewDecoder(resp.Body).Decode(&output); err != nil {
return zilch[Output](), err
}
return output, nil
}
|
