Files
addrss.io/pkg/router/request.go
2025-09-06 21:35:45 -04:00

77 lines
1.5 KiB
Go

package router
import (
"addrss/pkg/config"
"encoding/json"
"fmt"
"mime/multipart"
"net/http"
"strconv"
"strings"
)
type Request struct {
*http.Request
params map[string]any
}
func (req Request) Param(key string) (any, error) {
value, ok := req.params[key]
if ok {
return value, nil
}
return nil, fmt.Errorf("param %s not found", key)
}
func (req Request) ParamInt64(key string) (int64, error) {
param, err := req.Param(key)
if err != nil {
return 0, err
}
i, err := strconv.Atoi(param.(string))
if err != nil {
return 0, err
}
return int64(i), nil
}
// Bind Binds the request body to the struct pointer v using the Content-Type header to select a binder. This function panics if v cannot be bound.
func (req Request) Bind(v any) error {
mime := req.Header.Get("Content-Type")
mime = strings.Split(mime, ";")[0]
switch mime {
case "application/json":
err := json.NewDecoder(req.Body).Decode(&v)
if err != nil {
return fmt.Errorf("error while decoding http request body as json: %w", err)
}
default:
return fmt.Errorf("no binder exists for type %s", mime)
}
return nil
}
func (req Request) FormFile(key string) (multipart.File, *multipart.FileHeader, error) {
maxMegs, err := config.GetInt64("uploads.maxMegabytes")
if err != nil {
maxMegs = 8000000
}
if err := req.ParseMultipartForm(maxMegs << 20); err != nil {
return nil, nil, err
}
file, header, err := req.Request.FormFile(key)
if err != nil {
return nil, nil, err
}
return file, header, nil
}