50 lines
2.2 KiB
Go
50 lines
2.2 KiB
Go
// Package store abstracts the per_diem_rates storage so the HTTP layer can be
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// tested without a real Postgres and so the Postgres backend can be swapped
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// against an in-memory fake for dev loops.
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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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"time"
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"basicstack.de/proofedmesh/services/admin-api/internal/model"
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)
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// ErrNotFound is returned by Get and Retire when the rate_id does not exist.
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var ErrNotFound = errors.New("per_diem_rate: not found")
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// ErrOverlap is returned by Create when the new rate would overlap an existing
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// (country, city) range. Mirrors the Postgres EXCLUDE constraint.
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var ErrOverlap = errors.New("per_diem_rate: overlaps an existing active range for (country, city)")
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// ErrAlreadyRetired is returned by Retire when the rate is already retired
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// (valid_to IS NOT NULL and in the past).
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var ErrAlreadyRetired = errors.New("per_diem_rate: already retired")
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// ListFilter narrows a List call. Zero value lists everything.
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type ListFilter struct {
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Country string // "" = any
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ActiveOnly bool // if true, only rates with valid_to IS NULL or valid_to >= today
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}
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// RateStore is implemented by both the in-memory store (for tests + dev) and
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// the Postgres store (for prod). All methods are side-effect-free apart from
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// their obvious effect and all honour ctx cancellation.
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type RateStore interface {
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List(ctx context.Context, f ListFilter) ([]model.Rate, error)
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Get(ctx context.Context, rateID string) (model.Rate, error)
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// Create inserts a new rate, returning the finalised row (rate_id is
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// assigned by the backend). The attestation ref is set later via
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// AttachAttestation when the Signing Service has produced it.
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Create(ctx context.Context, in model.NewRateInput, createdBy string, now time.Time) (model.Rate, error)
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// Retire sets valid_to on the rate; subsequent lookups by valid_on past
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// that date must not return it.
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Retire(ctx context.Context, rateID string, validTo time.Time, performedBy string, now time.Time) (model.Rate, error)
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// AttachAttestation attaches the signed attestation reference to a rate.
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// Called after Create or Retire once the Signing Service responded.
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AttachAttestation(ctx context.Context, rateID string, attestationRef string) error
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}
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