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requestresponseoption.go
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requestresponseoption.go
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package files_sdk
import (
"context"
"io"
"net/http"
)
type requestResponseOption struct {
*http.Request
*http.Response
context.Context
}
type RequestResponseOption func(*requestResponseOption) error
func RequestOption(call func(req *http.Request) error) RequestResponseOption {
return func(opt *requestResponseOption) error {
if opt.Request != nil {
return call(opt.Request)
}
return nil
}
}
func ResponseOption(call func(req *http.Response) error) RequestResponseOption {
return func(opt *requestResponseOption) error {
if opt.Response != nil {
return call(opt.Response)
}
return nil
}
}
func RequestHeadersOption(headers *http.Header) RequestResponseOption {
return RequestOption(func(req *http.Request) error {
for k, v := range *headers {
req.Header.Set(k, v[0])
}
return nil
})
}
func WithContext(ctx context.Context) RequestResponseOption {
return func(opt *requestResponseOption) error {
if opt.Request != nil && ctx != nil {
opt.Request.WithContext(ctx)
} else {
opt.Context = ctx
}
return nil
}
}
func ResponseBodyOption(opt func(io.ReadCloser) error) RequestResponseOption {
return ResponseOption(func(res *http.Response) error {
return opt(res.Body)
})
}
func WrapRequestOptions(client HttpClient, request *http.Request, opts ...RequestResponseOption) (*http.Response, error) {
for _, opt := range opts {
err := opt(&requestResponseOption{Request: request})
if err != nil {
return &http.Response{}, err
}
}
resp, err := client.Do(request)
if err != nil {
return resp, err
}
for _, opt := range opts {
err := opt(&requestResponseOption{Response: resp})
if err != nil {
return resp, err
}
}
return resp, nil
}
func ContextOption(opts []RequestResponseOption) context.Context {
params := &requestResponseOption{}
for _, opt := range opts {
opt(params)
}
if params.Context == nil {
params.Context = context.Background()
}
return params.Context
}