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builder.go
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builder.go
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package requests
import (
"bytes"
"encoding/json"
"io"
"net/http"
"net/url"
)
type Builder struct {
method string
scheme string
host string
path string
query string
header http.Header
body []byte
bodyReader io.Reader
}
func (rb *Builder) Url(us string) *Builder {
u, err := url.Parse(us)
if err != nil {
panic(err)
}
rb.scheme = u.Scheme
rb.host = u.Host
rb.path = u.Path
rb.query = u.RawQuery
return rb
}
func (rb *Builder) Method(method string) *Builder {
rb.method = method
return rb
}
func (rb *Builder) Scheme(scheme string) *Builder {
rb.scheme = scheme
return rb
}
func (rb *Builder) Path(path string) *Builder {
rb.path = path
return rb
}
func (rb *Builder) Host(host string) *Builder {
rb.host = host
return rb
}
func (rb *Builder) Body(body []byte) *Builder {
rb.body = body
return rb
}
func (rb *Builder) BodyForm(object any) *Builder {
body, err := MarshalQuery(object)
if err != nil {
panic(err)
}
rb.body = []byte(body)
return rb
}
func (rb *Builder) BodyJson(object any) *Builder {
body, err := json.Marshal(object)
if err != nil {
panic(err)
}
rb.body = body
return rb
}
func (rb *Builder) BodyReader(reader io.Reader) *Builder {
rb.bodyReader = reader
return rb
}
func (rb *Builder) Query(object any) *Builder {
query, err := MarshalQuery(object)
if err != nil {
panic(err)
}
return rb.QueryString(query)
}
func (rb *Builder) QueryString(query string) *Builder {
if rb.query != "" {
rb.query += "&"
}
rb.query += query
return rb
}
func (rb *Builder) Header(object any) *Builder {
if rb.header == nil {
rb.header = make(http.Header)
}
header, err := MarshalHeaders(object)
if err != nil {
panic(err)
}
for k, v := range header {
rb.header[k] = v
}
return rb
}
func (rb *Builder) HeaderAdd(key string, value string) *Builder {
if rb.header == nil {
rb.header = make(http.Header)
}
rb.header.Add(key, value)
return rb
}
func (rb *Builder) HeaderUpdate(header http.Header) *Builder {
if rb.header == nil {
rb.header = make(http.Header)
}
for k, v := range header {
rb.header[k] = v
}
return rb
}
func (rb *Builder) BuildURL() (u *url.URL) {
u = new(url.URL)
u.Scheme = rb.scheme
u.Host = rb.host
u.Path = rb.path
u.RawQuery = rb.query
return
}
func (rb *Builder) Build() *Request {
body := rb.bodyReader
if rb.body != nil {
body = bytes.NewReader(rb.body)
}
req, err := http.NewRequest(rb.method, rb.BuildURL().String(), body)
if err != nil {
panic(err)
}
req.Header = rb.header
return &Request{R: req}
}