Version 1

2026-06-23 18:50:37 +01:00
commit 55d9772272
133 changed files with 21515 additions and 0 deletions
@@ -0,0 +1,106 @@
+package inventory
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"royal-pop-backend/internal/database"
+)
+
+type Level struct {
+	Style          string
+	ColorwayID     string
+	FinishID       string
+	QuantityOnHand int64
+	Notes          string
+	CreatedAt      time.Time
+	UpdatedAt      time.Time
+}
+
+type UpsertInput struct {
+	Style          string
+	ColorwayID     string
+	FinishID       string
+	QuantityOnHand int64
+	Notes          string
+}
+
+type Store struct {
+	db *database.DB
+}
+
+func NewStore(db *database.DB) *Store {
+	return &Store{db: db}
+}
+
+func (s *Store) List(ctx context.Context) ([]Level, error) {
+	if s == nil || s.db == nil || s.db.Pool == nil {
+		return nil, fmt.Errorf("postgres store is not configured")
+	}
+
+	rows, err := s.db.Pool.Query(ctx, `
+		SELECT style, colorway_id, finish_id, quantity_on_hand, notes, created_at, updated_at
+		FROM inventory_levels
+		ORDER BY style ASC, colorway_id ASC, finish_id ASC
+	`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	levels := make([]Level, 0)
+	for rows.Next() {
+		var level Level
+		if err := rows.Scan(
+			&level.Style,
+			&level.ColorwayID,
+			&level.FinishID,
+			&level.QuantityOnHand,
+			&level.Notes,
+			&level.CreatedAt,
+			&level.UpdatedAt,
+		); err != nil {
+			return nil, err
+		}
+		levels = append(levels, level)
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
+	return levels, nil
+}
+
+func (s *Store) Upsert(ctx context.Context, input UpsertInput) (*Level, error) {
+	if s == nil || s.db == nil || s.db.Pool == nil {
+		return nil, fmt.Errorf("postgres store is not configured")
+	}
+
+	row := s.db.Pool.QueryRow(ctx, `
+		INSERT INTO inventory_levels (style, colorway_id, finish_id, quantity_on_hand, notes)
+		VALUES ($1, $2, $3, $4, $5)
+		ON CONFLICT (style, colorway_id, finish_id)
+		DO UPDATE SET
+			quantity_on_hand = EXCLUDED.quantity_on_hand,
+			notes = EXCLUDED.notes,
+			updated_at = NOW()
+		RETURNING style, colorway_id, finish_id, quantity_on_hand, notes, created_at, updated_at
+	`, input.Style, input.ColorwayID, input.FinishID, input.QuantityOnHand, input.Notes)
+
+	var level Level
+	if err := row.Scan(
+		&level.Style,
+		&level.ColorwayID,
+		&level.FinishID,
+		&level.QuantityOnHand,
+		&level.Notes,
+		&level.CreatedAt,
+		&level.UpdatedAt,
+	); err != nil {
+		return nil, err
+	}
+
+	return &level, nil
+}