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requests.go
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requests.go
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package httpclient
import (
"context"
"io"
"net/http"
)
// Do executes specified HTTP method with provided body (if not nil) and
// then calls the response handler with the result. This method can be used to
// create custom HTTP requests (e.g. PATCH)
func (c *client) Do(
ctx context.Context,
onReponse ResponseHandler,
method, url string,
body io.Reader,
opts ...RequestOption,
) error {
req, err := http.NewRequest(method, url, body)
if err != nil {
return err
}
req = req.WithContext(ctx)
// copy headers from client
for k, v := range c.headers {
for _, dv := range v {
req.Header.Add(k, dv)
}
}
// apply any request options that may have been passed
for _, opt := range opts {
if err := opt(req); err != nil {
return err
}
}
// make the request and return the response
res, err := c.client.Do(req)
if res != nil {
if res.Body != nil {
defer res.Body.Close() // idempotent
}
}
return onReponse(ctx, res, err)
}
// Get executes a get request and calls the response handler with the result
func (c *client) Get(
ctx context.Context,
onResponse ResponseHandler,
url string,
opts ...RequestOption,
) error {
return c.Do(ctx, onResponse, "GET", url, nil, opts...)
}
// Post executes a POST request with provided body and then calls the
// response handler with the result
func (c *client) Post(
ctx context.Context,
onResponse ResponseHandler,
url string,
body io.Reader,
opts ...RequestOption,
) error {
return c.Do(ctx, onResponse, "POST", url, body, opts...)
}