andrey
f9a0411192
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Go Action / goaction (push) Successful in 29s
Reviewed-on: #12
50 lines
835 B
Go
50 lines
835 B
Go
package validator
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import (
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"fmt"
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"gitoa.ru/go-4devs/config"
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"gitoa.ru/go-4devs/config/param"
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)
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func Chain(v ...Validator) Validator {
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return func(vr param.Params, in config.Value) error {
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for _, valid := range v {
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err := valid(vr, in)
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if err != nil {
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return err
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}
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}
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return nil
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}
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}
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const paramValid = "param.valid"
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type Validator func(param.Params, config.Value) error
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func Valid(in ...Validator) param.Option {
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return func(v param.Params) param.Params {
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return param.With(v, paramValid, in)
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}
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}
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func Validate(key []string, fn param.Params, in config.Value) error {
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params, ok := fn.Param(paramValid)
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if !ok {
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return nil
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}
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valids, _ := params.([]Validator)
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for _, valid := range valids {
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err := valid(fn, in)
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if err != nil {
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return fmt.Errorf("%s:%w", key, err)
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}
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}
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return nil
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}
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