Revert "feat(loyalty): EnakPoint & EnakCoin" (#32)
This reverts merge commit645da30, returning main tof0ff59f. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
efrilm
co-authored by
Claude Opus 5.5
Claude Opus 5.5
parent
645da3048e
commit
4e24f9bbb0
@@ -1,219 +0,0 @@
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package repository
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"github.com/google/uuid"
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"gorm.io/gorm"
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"apskel-pos-be/internal/entities"
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)
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// ErrLoyaltyOutletNotFound means the outlet does not exist or belongs to another
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// organization.
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var ErrLoyaltyOutletNotFound = errors.New("loyalty settings: outlet not found")
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// LoyaltySettingChangeFilter narrows the loyalty settings history.
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type LoyaltySettingChangeFilter struct {
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OrganizationID uuid.UUID
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// Nil for the whole organization, outlets included.
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OutletID *uuid.UUID
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Offset int
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Limit int
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}
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// LoyaltySettingsRepository stores the raw loyalty settings (the loyalty.* keys of
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// outlet_settings and organization_settings) and their history
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// (docs/prd-point-coin.md F1, F2). The loyalty settings processor turns them into
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// typed values and is the only writer.
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type LoyaltySettingsRepository interface {
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// GetOutletValues returns the stored loyalty keys of an outlet. A key with no row,
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// or a NULL value, is absent.
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GetOutletValues(ctx context.Context, outletID uuid.UUID) (map[string]string, error)
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GetOrganizationValues(ctx context.Context, organizationID uuid.UUID) (map[string]string, error)
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// OutletOrganizationID returns ErrLoyaltyOutletNotFound for an unknown outlet.
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OutletOrganizationID(ctx context.Context, outletID uuid.UUID) (uuid.UUID, error)
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// LockScope serializes writers of one outlet's or one organization's settings
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// until the transaction ends, so two saves at once cannot both compute their
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// changes from the same old values.
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LockScope(ctx context.Context, scopeID uuid.UUID) error
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// SetOutletValue stores a value, or removes the key when value is nil so it falls
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// back to its default.
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SetOutletValue(ctx context.Context, outletID uuid.UUID, key string, value *string) error
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SetOrganizationValue(ctx context.Context, organizationID uuid.UUID, key string, value *string) error
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InsertChanges(ctx context.Context, changes []entities.LoyaltySettingChange) error
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// ListChanges returns a page of history, newest first, and the total count.
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ListChanges(ctx context.Context, filter LoyaltySettingChangeFilter) ([]entities.LoyaltySettingChange, int64, error)
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// UndatedBalance counts an organization's lots of one currency that still hold
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// something and have no expiry, and what they hold.
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UndatedBalance(ctx context.Context, organizationID uuid.UUID, currency string) (lots, amount int64, err error)
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// DateUndatedLots gives those lots an expiry, when expiry is turned on (F12).
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DateUndatedLots(ctx context.Context, organizationID uuid.UUID, currency string, expiresAt time.Time) (lots, amount int64, err error)
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}
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type loyaltySettingsRepository struct {
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db *gorm.DB
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}
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func NewLoyaltySettingsRepository(db *gorm.DB) LoyaltySettingsRepository {
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return &loyaltySettingsRepository{db: db}
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}
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// requireTx returns the caller's transaction. Writes must run in one, together with
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// the history rows they produce.
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func (r *loyaltySettingsRepository) requireTx(ctx context.Context) (*gorm.DB, error) {
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if tx, ok := ctx.Value(txKey).(*gorm.DB); ok && tx != nil {
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return tx.WithContext(ctx), nil
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}
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return nil, errors.New("loyalty settings: write must run inside a transaction")
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}
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func (r *loyaltySettingsRepository) values(ctx context.Context, table, scopeColumn string, scopeID uuid.UUID) (map[string]string, error) {
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var rows []struct {
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Key string
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Value string
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}
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err := DBFromContext(ctx, r.db).WithContext(ctx).
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Table(table).
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Select("key, value").
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Where(scopeColumn+" = ? AND key LIKE 'loyalty.%' AND value IS NOT NULL", scopeID).
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Scan(&rows).Error
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if err != nil {
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return nil, fmt.Errorf("failed to read %s: %w", table, err)
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}
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values := make(map[string]string, len(rows))
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for _, row := range rows {
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values[row.Key] = row.Value
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}
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return values, nil
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}
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func (r *loyaltySettingsRepository) GetOutletValues(ctx context.Context, outletID uuid.UUID) (map[string]string, error) {
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return r.values(ctx, "outlet_settings", "outlet_id", outletID)
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}
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func (r *loyaltySettingsRepository) GetOrganizationValues(ctx context.Context, organizationID uuid.UUID) (map[string]string, error) {
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return r.values(ctx, "organization_settings", "organization_id", organizationID)
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}
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func (r *loyaltySettingsRepository) OutletOrganizationID(ctx context.Context, outletID uuid.UUID) (uuid.UUID, error) {
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var ids []string
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err := DBFromContext(ctx, r.db).WithContext(ctx).
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Table("outlets").
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Where("id = ?", outletID).
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Limit(1).
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Pluck("organization_id::text", &ids).Error
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if err != nil {
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return uuid.Nil, fmt.Errorf("failed to get outlet organization: %w", err)
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}
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if len(ids) == 0 {
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return uuid.Nil, ErrLoyaltyOutletNotFound
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}
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return uuid.Parse(ids[0])
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}
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func (r *loyaltySettingsRepository) LockScope(ctx context.Context, scopeID uuid.UUID) error {
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db, err := r.requireTx(ctx)
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if err != nil {
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return err
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}
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return db.Exec(`SELECT pg_advisory_xact_lock(hashtextextended(?, 0))`, "loyalty-settings:"+scopeID.String()).Error
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}
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func (r *loyaltySettingsRepository) SetOutletValue(ctx context.Context, outletID uuid.UUID, key string, value *string) error {
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return r.setValue(ctx, "outlet_settings", "outlet_id", outletID, key, value)
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}
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func (r *loyaltySettingsRepository) SetOrganizationValue(ctx context.Context, organizationID uuid.UUID, key string, value *string) error {
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return r.setValue(ctx, "organization_settings", "organization_id", organizationID, key, value)
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}
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// setValue upserts or deletes one key. table and scopeColumn are never user input.
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func (r *loyaltySettingsRepository) setValue(ctx context.Context, table, scopeColumn string, scopeID uuid.UUID, key string, value *string) error {
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db, err := r.requireTx(ctx)
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if err != nil {
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return err
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}
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if value == nil {
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err = db.Exec(`DELETE FROM `+table+` WHERE `+scopeColumn+` = ? AND key = ?`, scopeID, key).Error
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} else {
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err = db.Exec(`INSERT INTO `+table+` (`+scopeColumn+`, key, value) VALUES (?, ?, ?)
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ON CONFLICT (`+scopeColumn+`, key) DO UPDATE SET value = EXCLUDED.value, updated_at = NOW()`,
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scopeID, key, *value).Error
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}
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if err != nil {
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return fmt.Errorf("failed to store %s in %s: %w", key, table, err)
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}
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return nil
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}
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func (r *loyaltySettingsRepository) InsertChanges(ctx context.Context, changes []entities.LoyaltySettingChange) error {
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if len(changes) == 0 {
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return nil
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}
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db, err := r.requireTx(ctx)
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if err != nil {
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return err
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}
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return db.Create(&changes).Error
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}
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func (r *loyaltySettingsRepository) ListChanges(ctx context.Context, filter LoyaltySettingChangeFilter) ([]entities.LoyaltySettingChange, int64, error) {
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query := DBFromContext(ctx, r.db).WithContext(ctx).
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Model(&entities.LoyaltySettingChange{}).
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Where("organization_id = ?", filter.OrganizationID)
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if filter.OutletID != nil {
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query = query.Where("outlet_id = ?", *filter.OutletID)
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}
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var total int64
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if err := query.Count(&total).Error; err != nil {
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return nil, 0, fmt.Errorf("failed to count loyalty setting changes: %w", err)
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}
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var changes []entities.LoyaltySettingChange
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err := query.Order("created_at DESC, id").Offset(filter.Offset).Limit(filter.Limit).Find(&changes).Error
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if err != nil {
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return nil, 0, fmt.Errorf("failed to list loyalty setting changes: %w", err)
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}
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return changes, total, nil
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}
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func (r *loyaltySettingsRepository) UndatedBalance(ctx context.Context, organizationID uuid.UUID, currency string) (int64, int64, error) {
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var row struct{ Lots, Amount int64 }
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err := DBFromContext(ctx, r.db).WithContext(ctx).Raw(`
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SELECT COUNT(*) AS lots, COALESCE(SUM(remaining_amount), 0) AS amount
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FROM wallet_lots
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WHERE organization_id = ? AND currency = ? AND expires_at IS NULL AND remaining_amount > 0`,
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organizationID, currency).Scan(&row).Error
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if err != nil {
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return 0, 0, fmt.Errorf("failed to sum undated wallet lots: %w", err)
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}
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return row.Lots, row.Amount, nil
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}
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func (r *loyaltySettingsRepository) DateUndatedLots(ctx context.Context, organizationID uuid.UUID, currency string, expiresAt time.Time) (int64, int64, error) {
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db, err := r.requireTx(ctx)
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if err != nil {
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return 0, 0, err
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}
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var rows []struct{ RemainingAmount int64 }
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// Only lots that still hold something: an empty lot never expires anything, and
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// leaving it undated keeps the history as it was.
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err = db.Raw(`
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UPDATE wallet_lots SET expires_at = ?
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WHERE organization_id = ? AND currency = ? AND expires_at IS NULL AND remaining_amount > 0
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RETURNING remaining_amount`,
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expiresAt, organizationID, currency).Scan(&rows).Error
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if err != nil {
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return 0, 0, fmt.Errorf("failed to date wallet lots: %w", err)
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}
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var amount int64
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for _, row := range rows {
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amount += row.RemainingAmount
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}
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return int64(len(rows)), amount, nil
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}
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