67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package media
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import (
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"context"
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"errors"
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"github.com/google/uuid"
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"gorm.io/gorm"
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)
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var ErrNotFound = errors.New("media not found")
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type Repository interface {
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Create(ctx context.Context, m *Media) error
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FindByID(ctx context.Context, id uuid.UUID) (*Media, error)
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List(ctx context.Context) ([]*Media, error)
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Update(ctx context.Context, m *Media) error
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Delete(ctx context.Context, id uuid.UUID) error
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}
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type gormRepository struct {
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db *gorm.DB
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}
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func NewRepository(db *gorm.DB) Repository {
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return &gormRepository{db: db}
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}
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func (r *gormRepository) Create(ctx context.Context, m *Media) error {
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return r.db.WithContext(ctx).Create(m).Error
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}
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func (r *gormRepository) FindByID(ctx context.Context, id uuid.UUID) (*Media, error) {
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var m Media
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err := r.db.WithContext(ctx).Where("id = ?", id).First(&m).Error
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrNotFound
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}
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if err != nil {
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return nil, err
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}
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return &m, nil
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}
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func (r *gormRepository) List(ctx context.Context) ([]*Media, error) {
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var list []*Media
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if err := r.db.WithContext(ctx).Order("created_at desc").Find(&list).Error; err != nil {
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return nil, err
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}
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return list, nil
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}
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func (r *gormRepository) Update(ctx context.Context, m *Media) error {
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return r.db.WithContext(ctx).Save(m).Error
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}
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func (r *gormRepository) Delete(ctx context.Context, id uuid.UUID) error {
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res := r.db.WithContext(ctx).Delete(&Media{}, "id = ?", id)
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if res.Error != nil {
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return res.Error
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}
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if res.RowsAffected == 0 {
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return ErrNotFound
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}
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return nil
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}
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