feat: add postgres repository for training
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parent
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commit
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GPG key ID:
C6827B976F17240D
19 changed files with 1277 additions and 414 deletions
561
pkg/training/postgres_repository.go
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561
pkg/training/postgres_repository.go
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@ -0,0 +1,561 @@
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package training
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import (
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"context"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgxpool"
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"time"
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)
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type PostgresTrainingRepository struct {
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pg *pgxpool.Pool
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}
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func NewPostgresTrainingRepository(pg *pgxpool.Pool) *PostgresTrainingRepository {
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return &PostgresTrainingRepository{pg: pg}
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}
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func (r *PostgresTrainingRepository) Create(training *Training) error {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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training.ID = NewTrainingID()
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tx, err := r.pg.Begin(ctx)
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if err != nil {
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return err
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}
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_, err = tx.Exec(ctx, `
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INSERT INTO training.trainings (id, name, description, days)
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VALUES ($1, $2, $3, $4)
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`, training.ID, training.Name, training.Description, training.Days)
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if err != nil {
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return err
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}
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queryBatch := &pgx.Batch{}
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for _, price := range training.Pricing {
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queryBatch.Queue(`
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INSERT INTO training.prices (training_id, amount, currency, type)
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VALUES ($1, $2, $3, $4)
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`, training.ID, price.Amount, price.Currency, price.Type)
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}
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batch := tx.SendBatch(ctx, queryBatch)
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defer func() {
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if e := batch.Close(); e != nil {
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err = e
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}
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if err != nil {
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_ = tx.Rollback(ctx)
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} else {
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if e := tx.Commit(ctx); e != nil {
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err = e
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}
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}
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}()
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_, err = batch.Exec()
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if err != nil {
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return err
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}
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return nil
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}
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func (r *PostgresTrainingRepository) FindByID(id TrainingID) (*Training, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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var training Training
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err := r.pg.QueryRow(ctx, `
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SELECT id, name, description, days
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FROM training.trainings
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WHERE id = $1
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`, id).Scan(&training.ID, &training.Name, &training.Description, &training.Days)
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if err != nil {
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return nil, err
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}
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rows, err := r.pg.Query(ctx, `
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SELECT amount, currency, type
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FROM training.prices
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WHERE training_id = $1
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`, id)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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training.Pricing = make([]TrainingPrice, 0)
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training.Pricing, err = pgx.CollectRows[TrainingPrice](rows, func(row pgx.CollectableRow) (TrainingPrice, error) {
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var price TrainingPrice
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err := row.Scan(&price.Amount, &price.Currency, &price.Type)
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if err != nil {
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return TrainingPrice{}, err
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}
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return price, nil
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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 &training, nil
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}
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func (r *PostgresTrainingRepository) FindAll() ([]Training, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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rows, err := r.pg.Query(ctx, `
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SELECT *
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FROM training.trainings
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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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defer rows.Close()
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trainings, err := pgx.CollectRows(rows, func(row pgx.CollectableRow) (Training, error) {
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var training Training
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scanErr := row.Scan(&training.ID, &training.Name, &training.Description, &training.Days)
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if scanErr != nil {
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return Training{}, scanErr
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}
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priceRows, queryErr := r.pg.Query(ctx, `SELECT amount, currency, type FROM training.prices WHERE training_id = $1`, training.ID)
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if queryErr != nil {
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return Training{}, queryErr
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}
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training.Pricing, scanErr = pgx.CollectRows(priceRows, pgx.RowToStructByName[TrainingPrice])
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if scanErr != nil {
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return Training{}, scanErr
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}
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return training, nil
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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 trainings, nil
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}
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func (r *PostgresTrainingRepository) Update(training *Training) error {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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tx, err := r.pg.Begin(ctx)
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if err != nil {
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return err
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}
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_, err = tx.Exec(ctx, `
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UPDATE training.trainings
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SET name = $1, description = $2, days = $3
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WHERE id = $4
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`, training.Name, training.Description, training.Days, training.ID)
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if err != nil {
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return err
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}
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queryBatch := &pgx.Batch{}
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for _, price := range training.Pricing {
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queryBatch.Queue(`
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INSERT INTO training.prices (training_id, amount, currency, type)
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VALUES ($1, $2, $3, $4)
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`, training.ID, price.Amount, price.Currency, price.Type)
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}
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batch := tx.SendBatch(ctx, queryBatch)
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defer func() {
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if e := batch.Close(); e != nil {
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err = e
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}
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if err != nil {
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_ = tx.Rollback(ctx)
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} else {
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if e := tx.Commit(ctx); e != nil {
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err = e
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}
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}
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}()
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_, err = batch.Exec()
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if err != nil {
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return err
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}
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return nil
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}
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func (r *PostgresTrainingRepository) Delete(id TrainingID) error {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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tx, err := r.pg.Begin(ctx)
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if err != nil {
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return err
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}
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_, err = tx.Exec(context.Background(), `
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DELETE FROM training.prices
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WHERE training_id = $1
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`, id)
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if err != nil {
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return err
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}
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_, err = tx.Exec(context.Background(), `
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DELETE FROM training.trainings
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WHERE id = $1
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`, id)
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if err != nil {
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return err
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}
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err = tx.Commit(ctx)
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if err != nil {
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return err
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}
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return nil
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}
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type PostgresTrainingDateRepository struct {
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pg *pgxpool.Pool
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}
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func NewPostgresTrainingDateRepository(pg *pgxpool.Pool) *PostgresTrainingDateRepository {
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return &PostgresTrainingDateRepository{pg: pg}
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}
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func (r *PostgresTrainingDateRepository) Create(trainingID TrainingID, trainingDate *TrainingDate) error {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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trainingDate.ID = NewTrainingDateID()
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_, err := r.pg.Exec(ctx, `
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INSERT INTO training.dates (id, training_id, date, start_time, days, is_online, location, address, capacity, price_amount, price_currency)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)`,
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trainingDate.ID,
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trainingID,
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trainingDate.Date,
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trainingDate.StartTime,
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trainingDate.Days,
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trainingDate.IsOnline,
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trainingDate.Location,
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trainingDate.Address,
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trainingDate.Capacity,
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trainingDate.PriceAmount,
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trainingDate.PriceCurrency,
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)
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if err != nil {
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return err
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}
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return nil
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}
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func (r *PostgresTrainingDateRepository) FindByID(id TrainingDateID) (*TrainingDate, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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var trainingDate TrainingDate
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err := r.pg.QueryRow(ctx, `SELECT * FROM training.dates WHERE id = $1`, id).
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Scan(
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&trainingDate.ID,
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&trainingDate.trainingID,
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&trainingDate.Date,
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&trainingDate.StartTime,
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&trainingDate.Days,
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&trainingDate.IsOnline,
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&trainingDate.Location,
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&trainingDate.Address,
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&trainingDate.Capacity,
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&trainingDate.PriceAmount,
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&trainingDate.PriceCurrency,
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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 &trainingDate, nil
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}
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func (r *PostgresTrainingDateRepository) FindAll() ([]TrainingDate, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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rows, err := r.pg.Query(ctx, `SELECT * FROM training.dates`)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var trainingDates []TrainingDate
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for rows.Next() {
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var trainingDate TrainingDate
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err := rows.Scan(
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&trainingDate.ID,
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&trainingDate.trainingID,
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&trainingDate.Date,
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&trainingDate.StartTime,
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&trainingDate.Days,
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&trainingDate.IsOnline,
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&trainingDate.Location,
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&trainingDate.Address,
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&trainingDate.Capacity,
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&trainingDate.PriceAmount,
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&trainingDate.PriceCurrency,
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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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trainingDates = append(trainingDates, trainingDate)
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}
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return trainingDates, nil
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}
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func (r *PostgresTrainingDateRepository) FindAllByTrainingID(trainingID TrainingID) ([]TrainingDate, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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rows, err := r.pg.Query(ctx, `SELECT * FROM training.dates WHERE training_id = $1`, trainingID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var trainingDates []TrainingDate
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for rows.Next() {
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var trainingDate TrainingDate
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err := rows.Scan(
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&trainingDate.ID,
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&trainingDate.trainingID,
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&trainingDate.Date,
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&trainingDate.StartTime,
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&trainingDate.Days,
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&trainingDate.IsOnline,
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&trainingDate.Location,
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&trainingDate.Address,
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&trainingDate.Capacity,
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&trainingDate.PriceAmount,
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&trainingDate.PriceCurrency,
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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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trainingDates = append(trainingDates, trainingDate)
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}
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return trainingDates, nil
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}
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func (r *PostgresTrainingDateRepository) FindUpcomingByTrainingID(trainingID TrainingID) ([]TrainingDate, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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rows, err := r.pg.Query(ctx, `
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SELECT * FROM training.dates
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WHERE training_id = $1 AND date > $2
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`, trainingID, time.Now())
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var trainingDates []TrainingDate
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for rows.Next() {
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var trainingDate TrainingDate
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err := rows.Scan(
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&trainingDate.ID,
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&trainingDate.trainingID,
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&trainingDate.Date,
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&trainingDate.StartTime,
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&trainingDate.Days,
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&trainingDate.IsOnline,
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&trainingDate.Location,
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&trainingDate.Address,
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&trainingDate.Capacity,
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&trainingDate.PriceAmount,
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&trainingDate.PriceCurrency,
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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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trainingDates = append(trainingDates, trainingDate)
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}
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return trainingDates, nil
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}
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func (r *PostgresTrainingDateRepository) Update(trainingDate *TrainingDate) error {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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_, err := r.pg.Exec(ctx, `
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UPDATE training.dates
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SET date = $1, start_time = $2, days = $3, is_online = $4, location = $5, address = $6, capacity = $7, price_amount = $8, price_currency = $9
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WHERE id = $10
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`, trainingDate.Date, trainingDate.StartTime, trainingDate.Days, trainingDate.IsOnline, trainingDate.Location, trainingDate.Address, trainingDate.Capacity, trainingDate.PriceAmount, trainingDate.PriceCurrency, trainingDate.ID)
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if err != nil {
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return err
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}
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return nil
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}
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func (r *PostgresTrainingDateRepository) Delete(id TrainingDateID) error {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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_, err := r.pg.Exec(ctx, `DELETE FROM training.dates WHERE id = $1`, id)
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if err != nil {
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return err
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}
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return nil
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}
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type PostgresTrainingDateAttendeeRepository struct {
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pg *pgxpool.Pool
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}
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func NewPostgresTrainingDateAttendeeRepository(pg *pgxpool.Pool) *PostgresTrainingDateAttendeeRepository {
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return &PostgresTrainingDateAttendeeRepository{pg: pg}
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}
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func (r *PostgresTrainingDateAttendeeRepository) Create(trainingDateID TrainingDateID, attendee *TrainingDateAttendee) error {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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attendee.ID = NewTrainingDateAttendeeID()
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_, err := r.pg.Exec(ctx, `
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INSERT INTO training.date_attendees (id, date_id, name, email, phone, company, position, is_student, has_paid, has_attended, bill_amount, bill_currency)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
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`, attendee.ID, trainingDateID, attendee.Name, attendee.Email, attendee.Phone, attendee.Company, attendee.Position, attendee.IsStudent, attendee.HasPaid, attendee.HasAttended, attendee.BillAmount, attendee.BillCurrency)
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if err != nil {
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return err
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}
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return nil
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}
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func (r *PostgresTrainingDateAttendeeRepository) FindByID(id TrainingDateAttendeeID) (*TrainingDateAttendee, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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var attendee TrainingDateAttendee
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err := r.pg.QueryRow(ctx, `
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SELECT id, date_id, name, email, phone, company, position, is_student, has_paid, has_attended, bill_amount, bill_currency
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FROM training.date_attendees
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WHERE id = $1
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`, id).Scan(&attendee.ID, &attendee.trainingDateID, &attendee.Name, &attendee.Email, &attendee.Phone, &attendee.Company, &attendee.Position, &attendee.IsStudent, &attendee.HasPaid, &attendee.HasAttended, &attendee.BillAmount, &attendee.BillCurrency)
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if err != nil {
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return nil, err
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}
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return &attendee, nil
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}
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func (r *PostgresTrainingDateAttendeeRepository) FindAll() ([]TrainingDateAttendee, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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rows, err := r.pg.Query(ctx, `
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SELECT id, date_id, name, email, phone, company, position, is_student, has_paid, has_attended, bill_amount, bill_currency
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FROM training.date_attendees
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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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defer rows.Close()
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var attendees []TrainingDateAttendee
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for rows.Next() {
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var attendee TrainingDateAttendee
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err := rows.Scan(&attendee.ID, &attendee.trainingDateID, &attendee.Name, &attendee.Email, &attendee.Phone, &attendee.Company, &attendee.Position, &attendee.IsStudent, &attendee.HasPaid, &attendee.HasAttended, &attendee.BillAmount, &attendee.BillCurrency)
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if err != nil {
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return nil, err
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}
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attendees = append(attendees, attendee)
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}
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return attendees, nil
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}
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func (r *PostgresTrainingDateAttendeeRepository) FindAllByTrainingDateID(trainingDateID TrainingDateID) ([]TrainingDateAttendee, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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rows, err := r.pg.Query(ctx, `
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SELECT id, date_id, name, email, phone, company, position, is_student, has_paid, has_attended, bill_amount, bill_currency
|
||||
FROM training.date_attendees
|
||||
WHERE date_id = $1
|
||||
`, trainingDateID)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer rows.Close()
|
||||
|
||||
var attendees []TrainingDateAttendee
|
||||
for rows.Next() {
|
||||
var attendee TrainingDateAttendee
|
||||
err := rows.Scan(&attendee.ID, &attendee.trainingDateID, &attendee.Name, &attendee.Email, &attendee.Phone, &attendee.Company, &attendee.Position, &attendee.IsStudent, &attendee.HasPaid, &attendee.HasAttended, &attendee.BillAmount, &attendee.BillCurrency)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
attendees = append(attendees, attendee)
|
||||
}
|
||||
|
||||
return attendees, nil
|
||||
}
|
||||
|
||||
func (r *PostgresTrainingDateAttendeeRepository) Update(attendee *TrainingDateAttendee) error {
|
||||
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
||||
defer cancel()
|
||||
|
||||
_, err := r.pg.Exec(ctx, `
|
||||
UPDATE training.date_attendees
|
||||
SET name = $1, email = $2, phone = $3, company = $4, position = $5, is_student = $6, has_paid = $7, has_attended = $8, bill_amount = $9, bill_currency = $10
|
||||
WHERE id = $10
|
||||
`, attendee.Name, attendee.Email, attendee.Phone, attendee.Company, attendee.Position, attendee.IsStudent, attendee.HasPaid, attendee.HasAttended, attendee.BillAmount, attendee.BillCurrency, attendee.ID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *PostgresTrainingDateAttendeeRepository) Delete(id TrainingDateAttendeeID) error {
|
||||
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
||||
defer cancel()
|
||||
|
||||
_, err := r.pg.Exec(ctx, `DELETE FROM training.date_attendees WHERE id = $1`, id)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
Reference in a new issue