79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
package datastore
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import "github.com/thermokarst/bactdb/models"
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func init() {
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DB.AddTableWithName(models.Strain{}, "strains").SetKeys(true, "Id")
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}
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type strainsStore struct {
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*Datastore
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}
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func (s *strainsStore) Get(id int64) (*models.Strain, error) {
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var strain []*models.Strain
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if err := s.dbh.Select(&strain, `SELECT * FROM strains WHERE id=$1;`, id); err != nil {
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return nil, err
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}
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if len(strain) == 0 {
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return nil, models.ErrStrainNotFound
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}
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return strain[0], nil
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}
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func (s *strainsStore) Create(strain *models.Strain) (bool, error) {
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if err := s.dbh.Insert(strain); err != nil {
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return false, err
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}
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return true, nil
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}
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func (s *strainsStore) List(opt *models.StrainListOptions) ([]*models.Strain, error) {
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if opt == nil {
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opt = &models.StrainListOptions{}
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}
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var strains []*models.Strain
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err := s.dbh.Select(&strains, `SELECT * FROM strains LIMIT $1 OFFSET $2;`, opt.PerPageOrDefault(), opt.Offset())
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if err != nil {
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return nil, err
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}
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return strains, nil
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}
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func (s *strainsStore) Update(id int64, strain *models.Strain) (bool, error) {
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_, err := s.Get(id)
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if err != nil {
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return false, err
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}
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if id != strain.Id {
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return false, models.ErrStrainNotFound
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}
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changed, err := s.dbh.Update(strain)
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if err != nil {
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return false, err
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}
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if changed == 0 {
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return false, ErrNoRowsUpdated
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}
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return true, nil
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}
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func (s *strainsStore) Delete(id int64) (bool, error) {
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strain, err := s.Get(id)
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if err != nil {
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return false, err
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}
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deleted, err := s.dbh.Delete(strain)
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if err != nil {
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return false, err
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}
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if deleted == 0 {
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return false, ErrNoRowsDeleted
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}
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return true, nil
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}
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