36 lines
645 B
Go
36 lines
645 B
Go
package repository
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import (
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"errors"
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"repo-pattern/app/repository/smartfilter"
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"gorm.io/gorm"
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"gorm.io/gorm/schema"
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)
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type ExistsMethod[T schema.Tabler] struct {
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repo *RepoBase[T]
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}
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func (m *ExistsMethod[T]) Init(repo *RepoBase[T]) {
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m.repo = repo
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}
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func (m ExistsMethod[T]) Exists(filter interface{}) (bool, error) {
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var (
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model T
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)
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query := m.repo.dbConn.Model(model)
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query, err := smartfilter.ToQuery(model, filter, query)
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if err != nil {
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return false, err
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}
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result := query.Select(m.repo.IdField).Take(&model)
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exists := !errors.Is(result.Error, gorm.ErrRecordNotFound) && result.Error == nil
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return exists, nil
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}
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