102 lines
2.0 KiB
Go
102 lines
2.0 KiB
Go
package repository
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import (
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"context"
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"strings"
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"github.com/christianselig/apollo-backend/internal/domain"
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)
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type postgresUserRepository struct {
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conn Connection
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}
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func NewPostgresUser(conn Connection) domain.UserRepository {
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return &postgresUserRepository{conn: conn}
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}
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func (p *postgresUserRepository) fetch(ctx context.Context, query string, args ...interface{}) ([]domain.User, error) {
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rows, err := p.conn.Query(ctx, query, args...)
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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 uu []domain.User
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for rows.Next() {
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var u domain.User
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if err := rows.Scan(
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&u.ID,
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&u.UserID,
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&u.Name,
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&u.NextCheckAt,
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); err != nil {
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return nil, err
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}
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uu = append(uu, u)
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}
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return uu, nil
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}
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func (p *postgresUserRepository) GetByID(ctx context.Context, id int64) (domain.User, error) {
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query := `
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SELECT id, user_id, name, next_check_at
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FROM users
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WHERE id = $1`
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srs, err := p.fetch(ctx, query, id)
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if err != nil {
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return domain.User{}, err
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}
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if len(srs) == 0 {
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return domain.User{}, domain.ErrNotFound
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}
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return srs[0], nil
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}
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func (p *postgresUserRepository) GetByName(ctx context.Context, name string) (domain.User, error) {
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query := `
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SELECT id, user_id, name, next_check_at
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FROM users
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WHERE name = $1`
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name = strings.ToLower(name)
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srs, err := p.fetch(ctx, query, name)
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if err != nil {
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return domain.User{}, err
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}
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if len(srs) == 0 {
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return domain.User{}, domain.ErrNotFound
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}
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return srs[0], nil
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}
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func (p *postgresUserRepository) CreateOrUpdate(ctx context.Context, u *domain.User) error {
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if err := u.Validate(); err != nil {
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return err
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}
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query := `
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INSERT INTO users (user_id, name, next_check_at)
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VALUES ($1, $2, NOW())
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ON CONFLICT(user_id) DO NOTHING
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RETURNING id`
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return p.conn.QueryRow(
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ctx,
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query,
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u.UserID,
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u.NormalizedName(),
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u.NextCheckAt,
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).Scan(&u.ID)
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}
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func (p *postgresUserRepository) Delete(ctx context.Context, id int64) error {
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query := `DELETE FROM users WHERE id = $1`
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_, err := p.conn.Exec(ctx, query, id)
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return err
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}
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