/
util.go
159 lines (147 loc) · 3 KB
/
util.go
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package xhttp
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"mime/multipart"
"net/http"
"net/url"
"os"
"path/filepath"
"sort"
"strings"
"github.com/evercyan/brick/xfile"
)
// ParseURL ...
func ParseURL(str string) (*url.URL, error) {
return url.Parse(str)
}
// ParseQuery ...
func ParseQuery(str string) map[string]string {
res := make(map[string]string)
values, err := url.ParseQuery(str)
if err != nil {
return res
}
for k, v := range values {
res[k] = v[0]
}
return res
}
// BuildURL ...
func BuildURL(url string, m map[string]interface{}) string {
list := make([]string, 0)
for k, v := range m {
list = append(list, fmt.Sprintf("%s=%v", k, v))
}
sort.Strings(list)
query := strings.Join(list, "&")
if url == "" {
return query
}
symbol := "?"
if strings.Contains(url, "?") {
symbol = "&"
}
return url + symbol + query
}
// BuildValues ...
func BuildValues(m map[string]interface{}) url.Values {
res := make(url.Values)
for k, v := range m {
res[k] = []string{fmt.Sprint(v)}
}
return res
}
// BuildFormData ...
func BuildFormData(header http.Header, m map[string]interface{}) (http.Header, io.Reader) {
b := new(bytes.Buffer)
w := multipart.NewWriter(b)
for k, v := range m {
if vv, ok := v.(string); ok &&
strings.HasPrefix(vv, "@") &&
xfile.IsExist(strings.TrimPrefix(vv, "@")) {
fpath := strings.TrimPrefix(vv, "@")
f, err := os.Open(fpath)
if err != nil {
continue
}
part, err := w.CreateFormFile(k, filepath.Base(fpath))
if err != nil {
f.Close()
continue
}
io.Copy(part, f)
f.Close()
continue
}
w.WriteField(k, fmt.Sprintf("%v", v))
}
defer w.Close()
header.Set(HeaderKeyContentType, w.FormDataContentType())
return header, b
}
// BuildReader ...
func BuildReader(data interface{}, types ...string) io.Reader {
if r, ok := data.(io.Reader); ok {
return r
}
if s, ok := data.(string); ok {
return strings.NewReader(s)
}
if b, ok := data.([]byte); ok {
return bytes.NewBuffer(b)
}
contentType := ""
if len(types) > 0 {
contentType = types[0]
}
switch contentType {
case HeaderKeyContentTypeValueForm:
if v, ok := data.(url.Values); ok {
return strings.NewReader(v.Encode())
}
if m, ok := data.(map[string]interface{}); ok {
return strings.NewReader(BuildValues(m).Encode())
}
default:
b, err := json.Marshal(data)
if err != nil {
return nil
}
return bytes.NewBuffer(b)
}
return nil
}
// Get ...
func Get(ctx context.Context, url string) string {
res, err := New().Get(ctx, url, nil)
if err != nil {
return ""
}
return res.String()
}
// Post ...
func Post(ctx context.Context, url string, data interface{}) string {
res, err := New().Post(ctx, url, nil, data)
if err != nil {
return ""
}
return res.String()
}
// ToString ...
func ToString(r *Response, err error) string {
if err != nil {
return ""
}
return r.String()
}
// ToResponse ...
func ToResponse(r *Response, err error) (*http.Response, error) {
if err != nil {
return nil, err
}
return r.Response, nil
}