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Beego/context/param/methodparams.go
2017-05-12 09:28:46 +03:00

70 lines
1.4 KiB
Go

package param
import (
"fmt"
"strings"
)
//MethodParam keeps param information to be auto passed to controller methods
type MethodParam struct {
name string
in paramType
required bool
defaultValue string
}
type paramType byte
const (
param paramType = iota
path
body
header
)
//New creates a new MethodParam with name and specific options
func New(name string, opts ...MethodParamOption) *MethodParam {
return newParam(name, nil, opts)
}
func newParam(name string, parser paramParser, opts []MethodParamOption) (param *MethodParam) {
param = &MethodParam{name: name}
for _, option := range opts {
option(param)
}
return
}
//Make creates an array of MethodParmas or an empty array
func Make(list ...*MethodParam) []*MethodParam {
if len(list) > 0 {
return list
}
return nil
}
func (mp *MethodParam) String() string {
options := []string{}
result := "param.New(\"" + mp.name + "\""
if mp.required {
options = append(options, "param.IsRequired")
}
switch mp.in {
case path:
options = append(options, "param.InPath")
case body:
options = append(options, "param.InBody")
case header:
options = append(options, "param.InHeader")
}
if mp.defaultValue != "" {
options = append(options, fmt.Sprintf(`param.Default("%s")`, mp.defaultValue))
}
if len(options) > 0 {
result += ", "
}
result += strings.Join(options, ", ")
result += ")"
return result
}