56 lines
1.9 KiB
Go
56 lines
1.9 KiB
Go
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package store
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import (
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"context"
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"errors"
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"basicstack.de/proofedmesh/services/attest-reconciler/internal/attest"
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)
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// Postgres is the production PendingRateStore. Skeleton for now; wiring a
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// real pgxpool.Pool lives alongside the admin-api Postgres swap in a later
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// change so both consumers share one connection-config convention.
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type Postgres struct {
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// pool *pgxpool.Pool
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}
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var errPGUnimplemented = errors.New("postgres pending-row store is a skeleton; use a fake PendingRateStore for tests")
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func NewPostgres() (*Postgres, error) {
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return &Postgres{}, nil
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}
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func (p *Postgres) ListPending(ctx context.Context, limit int) ([]PendingRow, error) {
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// Query shape (ADR-0004 schema):
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// SELECT rate_id, country, city, currency,
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// full_day, partial_day_min8h, arrival_day, departure_day,
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// valid_from, valid_to, source_regulation,
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// created_by, created_at,
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// (valid_to IS NOT NULL AND valid_to < CURRENT_DATE) AS retired
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// FROM per_diem_rates
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// WHERE rate_change_attestation_ref IS NULL
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// ORDER BY created_at ASC
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// LIMIT $1
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// Kind is "retire" when the row has a valid_to set at pickup time; "create"
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// otherwise. See store.go for why that heuristic is safe under TLog
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// idempotency.
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return nil, errPGUnimplemented
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}
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func (p *Postgres) AttachAttestation(ctx context.Context, rateID string, attestationRef string) error {
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// UPDATE per_diem_rates
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// SET rate_change_attestation_ref = $2
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// WHERE rate_id = $1 AND rate_change_attestation_ref IS NULL
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// RETURNING rate_id;
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// A zero-row result means someone else attested the row concurrently; the
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// reconciler treats that as a successful no-op (see reconciler.go).
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return errPGUnimplemented
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}
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// Compile-time assertions the real type implements the interface.
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var _ PendingRateStore = (*Postgres)(nil)
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// Reference imports kept so a future pgx wiring can reach the attest types
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// without re-adding them.
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var _ = attest.Rate{}
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