32 lines
520 B
Go
32 lines
520 B
Go
package state
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import (
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"github.com/go-ozzo/ozzo-validation/v4"
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"gorm.io/gorm"
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)
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type ValidationCode string
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const (
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VALIDATION_UNIQUE ValidationCode = "unique"
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)
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func checkUnique(tx *gorm.DB) validation.RuleFunc {
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return func(value interface{}) error {
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var count int64
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result := tx.Count(&count)
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if result.Error != nil {
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return validation.NewInternalError(result.Error)
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}
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if count > 0 {
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return validation.NewError(
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string(VALIDATION_UNIQUE),
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"must be unique",
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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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