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package shortcuts
import (
"fmt"
"maps"
"reflect"
"strings"
"github.com/gofiber/fiber/v2"
)
func structValue(data any) (reflect.Value, error) {
v := reflect.ValueOf(data)
if v.Kind() == reflect.Pointer {
v = v.Elem()
}
if v.Kind() != reflect.Struct {
return reflect.Value{}, fmt.Errorf("unsupported bind type %T; must be struct or *struct", data)
}
return v, nil
}
func mapStruct(v reflect.Value) map[string]any {
t := v.Type()
result := make(map[string]any, v.NumField())
for i := 0; i < v.NumField(); i++ {
field := t.Field(i)
if !field.IsExported() {
continue
}
result[getFieldKey(field)] = v.Field(i).Interface()
}
return result
}
func getFieldKey(field reflect.StructField) string {
key := field.Name
tag := field.Tag.Get("json")
if tag == "" || tag == "-" {
return key
}
if idx := strings.IndexByte(tag, ','); idx >= 0 {
if idx > 0 {
return tag[:idx]
}
return key
}
return tag
}
func normalizeBind(data any) (fiber.Map, error) {
if data == nil {
return nil, nil
}
switch v := data.(type) {
case fiber.Map:
return v, nil
case map[string]any:
return fiber.Map(v), nil
default:
return structToMap(v)
}
}
func structToMap(data any) (fiber.Map, error) {
v, err := structValue(data)
if err != nil {
return nil, err
}
return fiber.Map(mapStruct(v)), nil
}
func mergeFlash(ctx *fiber.Ctx, bind fiber.Map) error {
flash, err := ConsumeFlash(ctx)
if err != nil || flash == nil {
return err
}
flashMap, err := normalizeBind(flash)
if err != nil {
return err
}
maps.Copy(bind, flashMap)
return nil
}
func mergeUserValues(ctx *fiber.Ctx, bind fiber.Map) {
ctx.Context().VisitUserValues(func(key []byte, value any) {
bind[string(key)] = value
})
}
func mergeData(bind fiber.Map, data any) error {
dataMap, err := normalizeBind(data)
if err != nil {
return err
}
maps.Copy(bind, dataMap)
return nil
}
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