87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package datastore
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import (
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"time"
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"github.com/thermokarst/bactdb/models"
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)
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func init() {
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DB.AddTableWithName(models.Observation{}, "observations").SetKeys(true, "Id")
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}
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type observationsStore struct {
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*Datastore
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}
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func (s *observationsStore) Get(id int64) (*models.Observation, error) {
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var observation []*models.Observation
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if err := s.dbh.Select(&observation, `SELECT * FROM observations WHERE id=$1;`, id); err != nil {
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return nil, err
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}
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if len(observation) == 0 {
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return nil, models.ErrObservationNotFound
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}
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return observation[0], nil
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}
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func (s *observationsStore) Create(observation *models.Observation) (bool, error) {
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currentTime := time.Now()
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observation.CreatedAt = currentTime
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observation.UpdatedAt = currentTime
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if err := s.dbh.Insert(observation); 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 *observationsStore) List(opt *models.ObservationListOptions) ([]*models.Observation, error) {
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if opt == nil {
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opt = &models.ObservationListOptions{}
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}
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var observations []*models.Observation
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err := s.dbh.Select(&observations, `SELECT * FROM observations 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 observations, nil
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}
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func (s *observationsStore) Update(id int64, observation *models.Observation) (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 != observation.Id {
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return false, models.ErrObservationNotFound
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}
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observation.UpdatedAt = time.Now()
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changed, err := s.dbh.Update(observation)
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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 *observationsStore) Delete(id int64) (bool, error) {
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observation, 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(observation)
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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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