emilandClaude Sonnet 4.6
50b3c4198a
- Go backend: auth (JWT), points earn/spend, QR token generation, partners, admin grant/stats endpoints with chi router - Next.js 14 frontend: login, student dashboard, transaction history, QR display, partners list - PostgreSQL migrations (4 tables), Redis cache, Docker Compose - CORS middleware, role-based route protection, Zustand auth store Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
package partners
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import (
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"context"
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"errors"
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"fmt"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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// ErrNotFound is returned when the requested partner does not exist.
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var ErrNotFound = errors.New("partner not found")
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// Repository handles database access for the partners domain.
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type Repository struct {
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db *pgxpool.Pool
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}
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// NewRepository creates a new partners Repository.
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func NewRepository(db *pgxpool.Pool) *Repository {
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return &Repository{db: db}
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}
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// ListActive fetches all partners where is_active = true, ordered alphabetically.
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func (r *Repository) ListActive(ctx context.Context) ([]Partner, error) {
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rows, err := r.db.Query(ctx,
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`SELECT id, name, address, max_spend_pct
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FROM partners
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WHERE is_active = true
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ORDER BY name`,
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)
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if err != nil {
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return nil, fmt.Errorf("repository.ListActive: %w", err)
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}
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defer rows.Close()
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var ps []Partner
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for rows.Next() {
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var p Partner
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if err := rows.Scan(&p.ID, &p.Name, &p.Address, &p.MaxSpendPct); err != nil {
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return nil, fmt.Errorf("repository.ListActive: scan: %w", err)
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}
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ps = append(ps, p)
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}
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if err := rows.Err(); err != nil {
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return nil, fmt.Errorf("repository.ListActive: rows: %w", err)
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}
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return ps, nil
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}
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// GetByID fetches a single partner by its primary key.
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// Returns ErrNotFound if no partner exists with that ID.
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func (r *Repository) GetByID(ctx context.Context, id string) (*Partner, error) {
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var p Partner
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err := r.db.QueryRow(ctx,
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`SELECT id, name, address, max_spend_pct
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FROM partners WHERE id = $1`,
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id,
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).Scan(&p.ID, &p.Name, &p.Address, &p.MaxSpendPct)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return nil, ErrNotFound
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}
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return nil, fmt.Errorf("repository.GetByID: %w", err)
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}
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return &p, nil
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}
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// GetByUserID fetches the partner record associated with the given cashier user account.
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// Returns ErrNotFound if no partner is linked to that user.
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func (r *Repository) GetByUserID(ctx context.Context, userID string) (*Partner, error) {
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var p Partner
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err := r.db.QueryRow(ctx,
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`SELECT id, name, address, max_spend_pct
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FROM partners WHERE user_id = $1`,
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userID,
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).Scan(&p.ID, &p.Name, &p.Address, &p.MaxSpendPct)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return nil, ErrNotFound
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}
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return nil, fmt.Errorf("repository.GetByUserID: %w", err)
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}
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return &p, nil
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}
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