103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
package http
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strconv"
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)
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func PathParam(ctx context.Context, Param func(ctx context.Context, paramName string) string, p interface{}, paramName string, required bool) (err error) {
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s := Param(ctx, paramName)
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if s == "" && required {
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switch v := p.(type) {
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case *string:
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p = v
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p = nil
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}
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return errors.New("missing required parameter")
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}
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switch v := p.(type) {
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case *int64:
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*v, err = strconv.ParseInt(s, 10, 64)
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case *int32:
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var x int64
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x, err = strconv.ParseInt(s, 10, 32)
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*v = int32(x)
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case *string:
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*v = s
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default:
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err = fmt.Errorf("no match for pointer type %T", v)
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}
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return
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}
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func BodyParam(body io.ReadCloser, p any, v func(p any) error) (err error) {
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d := json.NewDecoder(body)
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if err = d.Decode(p); err == nil {
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err = v(p)
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}
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return
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}
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func mappedParam(m map[string][]string, paramName string, p interface{}, required bool) (err error) {
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s, exists := m[paramName]
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if !exists && required {
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return errors.New("missing required parameter")
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}
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switch v := p.(type) {
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case *int64:
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*v, err = strconv.ParseInt(s[0], 10, 64)
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case *int32:
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var x int64
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x, err = strconv.ParseInt(s[0], 10, 32)
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*v = int32(x)
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case *bool:
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*v, err = strconv.ParseBool(s[0])
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case *string:
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*v = s[0]
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case *[]int64:
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for _, i := range s {
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if e, err := strconv.ParseInt(i, 10, 64); err != nil {
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return err
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} else {
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*v = append(*v, e)
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}
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}
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case *[]int32:
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for _, i := range s {
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if e, err := strconv.ParseInt(i, 10, 32); err != nil {
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return err
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} else {
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*v = append(*v, int32(e))
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}
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}
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case *[]string:
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*v = s
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default:
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err = fmt.Errorf("no match for pointer type %T", v)
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}
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return
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}
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func QueryParam(query url.Values, paramName string, p interface{}, required bool) (err error) {
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return mappedParam(query, paramName, p, required)
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}
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func HeaderParam(h http.Header, paramName string, p interface{}, required bool) (err error) {
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return mappedParam(h, paramName, p, required)
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}
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func FormParam(form url.Values, paramName string, p interface{}, required bool) (err error) {
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return mappedParam(form, paramName, p, required)
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}
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