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fbd60bfe6b
This commit adds support for parsing decimal numbers that start with a dot (e.g. '.1') in query parameters and form data. It implements the BindUnmarshaler interface to handle this special case. Fixes #4089
30 lines
696 B
Go
30 lines
696 B
Go
package binding
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import (
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"github.com/shopspring/decimal"
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"strings"
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)
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// CustomDecimal represents a decimal number that can be bound from form values.
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// It supports values with leading dots (e.g. ".1" is parsed as "0.1").
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type CustomDecimal struct {
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decimal.Decimal
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}
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// UnmarshalParam implements the binding.BindUnmarshaler interface.
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// It converts form values to decimal.Decimal, with special handling for
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// values that start with a dot (e.g. ".1" becomes "0.1").
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func (cd *CustomDecimal) UnmarshalParam(val string) error {
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if strings.HasPrefix(val, ".") {
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val = "0" + val
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}
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dec, err := decimal.NewFromString(val)
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if err != nil {
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return err
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}
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cd.Decimal = dec
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return nil
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}
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