35 lines
568 B
Go
35 lines
568 B
Go
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package db
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import (
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"errors"
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"gorm.io/gorm"
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)
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type Word struct {
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gorm.Model
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Value string
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}
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var (
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ErrCardValueEmpty = errors.New("the 'Value' field for 'Word' cannot be empty")
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ErrCardValueNotUnique = errors.New("the 'Value' field for 'Word' have to be unique for user")
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)
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func (c *Word) BeforeSave(tx *gorm.DB) error {
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if c.Value == "" {
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return ErrCardValueEmpty
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}
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var dup Word
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if err := tx.Find(&dup, Word{Value: c.Value}).Error; err != nil {
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return err
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}
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if c.ID != dup.ID && dup.ID != 0 {
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return ErrCardValueNotUnique
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}
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return nil
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}
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