telegraph/telegraph.go

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2019-07-24 08:03:29 +00:00
//go:generate ffjson $GOFILE
package telegraph
import (
gojson "encoding/json"
"errors"
json "github.com/json-iterator/go"
http "github.com/valyala/fasthttp"
)
// Response contains a JSON object, which always has a Boolean field ok. If ok
// equals true, the request was successful, and the result of the query can be
// found in the result field. In case of an unsuccessful request, ok equals
// false, and the error is explained in the error field (e.g.
// SHORT_NAME_REQUIRED).
type Response struct {
Ok bool `json:"ok"`
Error string `json:"error"`
Result gojson.RawMessage `json:"result,omitempty"`
}
var parser = json.ConfigFastest //nolint:gochecknoglobals
func makeRequest(path string, args *http.Args) ([]byte, error) {
u := http.AcquireURI()
defer http.ReleaseURI(u)
u.SetScheme("https")
u.SetHost("api.telegra.ph")
u.SetPath(path)
args.CopyTo(u.QueryArgs())
req := http.AcquireRequest()
defer http.ReleaseRequest(req)
req.Header.SetMethod(http.MethodGet)
req.SetRequestURIBytes(u.FullURI())
req.Header.SetUserAgent("toby3d/telegraph")
req.Header.SetContentType("application/json; charset=utf-8")
resp := http.AcquireResponse()
defer http.ReleaseResponse(resp)
if err := http.Do(req, resp); err != nil {
return nil, err
}
var r Response
if err := parser.Unmarshal(resp.Body(), &r); err != nil {
return nil, err
}
if !r.Ok {
return nil, errors.New(r.Error)
}
return r.Result, nil
}