feat: rename ingredients→products, products→user_products; add barcode/OFF import
- Rename catalog: ingredient/* → product/* (canonical_name, barcode, nutrition per 100g)
- Rename pantry: product/* → userproduct/* (user-owned items with expiry)
- Squash migrations into single 001_initial_schema.sql (clean-db baseline)
- product_categories: add English canonical name column; fix COALESCE in queries
- Remove product_translations: product names are stored in their original language
- Add default_unit_name to product API responses via unit_translations JOIN
- Add cmd/importoff: bulk import from OpenFoodFacts JSONL dump (COPY + ON CONFLICT)
- Diary: support product_id entries alongside dish_id (CHECK num_nonnulls = 1)
- Home: getLoggedCalories joins both recipes and catalog products
- Flutter: rename models/providers/services to match backend rename
- Flutter: add barcode scan flow for diary (mobile_scanner, product_portion_sheet)
- Flutter: localise 6 new keys across 12 languages (barcode scan, portion weight)
- Routes: GET /products/search, GET /products/barcode/{barcode}, /user-products
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
dbastrikin
@@ -2,18 +2,16 @@ package product
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"time"
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"github.com/food-ai/backend/internal/infra/locale"
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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 a product is not found or does not belong to the user.
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var ErrNotFound = errors.New("product not found")
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// Repository handles product persistence.
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// Repository handles persistence for catalog products and their translations.
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type Repository struct {
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pool *pgxpool.Pool
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}
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@@ -23,180 +21,314 @@ func NewRepository(pool *pgxpool.Pool) *Repository {
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return &Repository{pool: pool}
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}
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// expires_at is computed in SQL because TIMESTAMPTZ + INTERVAL is STABLE (not IMMUTABLE),
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// which prevents it from being used as a stored generated column.
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const selectCols = `id, user_id, primary_ingredient_id, name, quantity, unit, category, storage_days, added_at,
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(added_at + storage_days * INTERVAL '1 day') AS expires_at`
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// Upsert inserts or updates a catalog product (English canonical content).
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// Conflict is resolved on canonical_name.
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func (r *Repository) Upsert(requestContext context.Context, catalogProduct *Product) (*Product, error) {
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query := `
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INSERT INTO products (
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canonical_name,
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category, default_unit,
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calories_per_100g, protein_per_100g, fat_per_100g, carbs_per_100g, fiber_per_100g,
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storage_days
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
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ON CONFLICT (canonical_name) DO UPDATE SET
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category = EXCLUDED.category,
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default_unit = EXCLUDED.default_unit,
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calories_per_100g = EXCLUDED.calories_per_100g,
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protein_per_100g = EXCLUDED.protein_per_100g,
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fat_per_100g = EXCLUDED.fat_per_100g,
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carbs_per_100g = EXCLUDED.carbs_per_100g,
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fiber_per_100g = EXCLUDED.fiber_per_100g,
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storage_days = EXCLUDED.storage_days,
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updated_at = now()
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RETURNING id, canonical_name, category, default_unit,
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calories_per_100g, protein_per_100g, fat_per_100g, carbs_per_100g, fiber_per_100g,
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storage_days, created_at, updated_at`
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// List returns all products for a user, sorted by expires_at ASC.
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func (r *Repository) List(ctx context.Context, userID string) ([]*Product, error) {
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rows, err := r.pool.Query(ctx, `
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SELECT `+selectCols+`
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FROM products
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WHERE user_id = $1
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ORDER BY expires_at ASC`, userID)
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if err != nil {
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return nil, fmt.Errorf("list products: %w", err)
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row := r.pool.QueryRow(requestContext, query,
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catalogProduct.CanonicalName,
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catalogProduct.Category, catalogProduct.DefaultUnit,
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catalogProduct.CaloriesPer100g, catalogProduct.ProteinPer100g, catalogProduct.FatPer100g, catalogProduct.CarbsPer100g, catalogProduct.FiberPer100g,
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catalogProduct.StorageDays,
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)
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return scanProductWrite(row)
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}
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// GetByID returns a catalog product by UUID.
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// CanonicalName and aliases are resolved for the language stored in requestContext.
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// Returns nil, nil if not found.
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func (r *Repository) GetByID(requestContext context.Context, id string) (*Product, error) {
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lang := locale.FromContext(requestContext)
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query := `
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SELECT p.id,
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p.canonical_name,
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p.category,
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COALESCE(pct.name, pc.name) AS category_name,
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p.default_unit,
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COALESCE(ut.name, p.default_unit) AS unit_name,
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p.calories_per_100g, p.protein_per_100g, p.fat_per_100g, p.carbs_per_100g, p.fiber_per_100g,
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p.storage_days, p.created_at, p.updated_at,
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COALESCE(al.aliases, '[]'::json) AS aliases
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FROM products p
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LEFT JOIN product_categories pc
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ON pc.slug = p.category
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LEFT JOIN product_category_translations pct
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ON pct.product_category_slug = p.category AND pct.lang = $2
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LEFT JOIN unit_translations ut
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ON ut.unit_code = p.default_unit AND ut.lang = $2
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LEFT JOIN LATERAL (
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SELECT json_agg(pa.alias ORDER BY pa.alias) AS aliases
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FROM product_aliases pa
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WHERE pa.product_id = p.id AND pa.lang = $2
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) al ON true
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WHERE p.id = $1`
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row := r.pool.QueryRow(requestContext, query, id, lang)
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catalogProduct, queryError := scanProductRead(row)
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if errors.Is(queryError, pgx.ErrNoRows) {
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return nil, nil
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}
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return catalogProduct, queryError
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}
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// GetByBarcode returns a catalog product by barcode value.
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// Returns nil, nil if not found.
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func (r *Repository) GetByBarcode(requestContext context.Context, barcode string) (*Product, error) {
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lang := locale.FromContext(requestContext)
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query := `
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SELECT p.id,
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p.canonical_name,
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p.category,
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COALESCE(pct.name, pc.name) AS category_name,
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p.default_unit,
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COALESCE(ut.name, p.default_unit) AS unit_name,
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p.calories_per_100g, p.protein_per_100g, p.fat_per_100g, p.carbs_per_100g, p.fiber_per_100g,
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p.storage_days, p.created_at, p.updated_at,
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COALESCE(al.aliases, '[]'::json) AS aliases
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FROM products p
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LEFT JOIN product_categories pc
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ON pc.slug = p.category
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LEFT JOIN product_category_translations pct
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ON pct.product_category_slug = p.category AND pct.lang = $2
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LEFT JOIN unit_translations ut
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ON ut.unit_code = p.default_unit AND ut.lang = $2
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LEFT JOIN LATERAL (
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SELECT json_agg(pa.alias ORDER BY pa.alias) AS aliases
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FROM product_aliases pa
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WHERE pa.product_id = p.id AND pa.lang = $2
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) al ON true
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WHERE p.barcode = $1`
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row := r.pool.QueryRow(requestContext, query, barcode, lang)
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catalogProduct, queryError := scanProductRead(row)
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if errors.Is(queryError, pgx.ErrNoRows) {
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return nil, nil
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}
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return catalogProduct, queryError
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}
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// UpsertByBarcode inserts or updates a catalog product including its barcode.
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func (r *Repository) UpsertByBarcode(requestContext context.Context, catalogProduct *Product) (*Product, error) {
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query := `
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INSERT INTO products (
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canonical_name, barcode,
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category, default_unit,
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calories_per_100g, protein_per_100g, fat_per_100g, carbs_per_100g, fiber_per_100g,
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storage_days
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
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ON CONFLICT (canonical_name) DO UPDATE SET
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barcode = EXCLUDED.barcode,
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category = EXCLUDED.category,
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default_unit = EXCLUDED.default_unit,
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calories_per_100g = EXCLUDED.calories_per_100g,
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protein_per_100g = EXCLUDED.protein_per_100g,
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fat_per_100g = EXCLUDED.fat_per_100g,
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carbs_per_100g = EXCLUDED.carbs_per_100g,
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fiber_per_100g = EXCLUDED.fiber_per_100g,
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storage_days = EXCLUDED.storage_days,
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updated_at = now()
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RETURNING id, canonical_name, category, default_unit,
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calories_per_100g, protein_per_100g, fat_per_100g, carbs_per_100g, fiber_per_100g,
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storage_days, created_at, updated_at`
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row := r.pool.QueryRow(requestContext, query,
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catalogProduct.CanonicalName, catalogProduct.Barcode,
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catalogProduct.Category, catalogProduct.DefaultUnit,
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catalogProduct.CaloriesPer100g, catalogProduct.ProteinPer100g, catalogProduct.FatPer100g, catalogProduct.CarbsPer100g, catalogProduct.FiberPer100g,
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catalogProduct.StorageDays,
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)
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return scanProductWrite(row)
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}
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// FuzzyMatch finds the single best matching catalog product for a given name.
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// Returns nil, nil when no match is found.
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func (r *Repository) FuzzyMatch(requestContext context.Context, name string) (*Product, error) {
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results, searchError := r.Search(requestContext, name, 1)
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if searchError != nil {
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return nil, searchError
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}
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if len(results) == 0 {
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return nil, nil
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}
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return results[0], nil
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}
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// Search finds catalog products matching the query string.
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// Searches aliases table and translated names for the language in requestContext.
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func (r *Repository) Search(requestContext context.Context, query string, limit int) ([]*Product, error) {
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if limit <= 0 {
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limit = 10
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}
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lang := locale.FromContext(requestContext)
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searchQuery := `
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SELECT p.id,
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p.canonical_name,
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p.category,
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COALESCE(pct.name, pc.name) AS category_name,
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p.default_unit,
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COALESCE(ut.name, p.default_unit) AS unit_name,
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p.calories_per_100g, p.protein_per_100g, p.fat_per_100g, p.carbs_per_100g, p.fiber_per_100g,
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p.storage_days, p.created_at, p.updated_at,
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COALESCE(al.aliases, '[]'::json) AS aliases
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FROM products p
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LEFT JOIN product_categories pc
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ON pc.slug = p.category
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LEFT JOIN product_category_translations pct
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ON pct.product_category_slug = p.category AND pct.lang = $3
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LEFT JOIN unit_translations ut
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ON ut.unit_code = p.default_unit AND ut.lang = $3
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LEFT JOIN LATERAL (
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SELECT json_agg(pa.alias ORDER BY pa.alias) AS aliases
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FROM product_aliases pa
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WHERE pa.product_id = p.id AND pa.lang = $3
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) al ON true
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WHERE EXISTS (
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SELECT 1 FROM product_aliases pa
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WHERE pa.product_id = p.id
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AND (pa.lang = $3 OR pa.lang = 'en')
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AND pa.alias ILIKE '%' || $1 || '%'
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)
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OR p.canonical_name ILIKE '%' || $1 || '%'
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OR similarity(p.canonical_name, $1) > 0.3
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ORDER BY similarity(p.canonical_name, $1) DESC
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LIMIT $2`
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rows, queryError := r.pool.Query(requestContext, searchQuery, query, limit, lang)
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if queryError != nil {
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return nil, fmt.Errorf("search products: %w", queryError)
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}
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defer rows.Close()
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return collectProducts(rows)
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return collectProductsRead(rows)
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}
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// Create inserts a new product and returns the created record.
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func (r *Repository) Create(ctx context.Context, userID string, req CreateRequest) (*Product, error) {
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storageDays := req.StorageDays
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if storageDays <= 0 {
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storageDays = 7
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// Count returns the total number of catalog products.
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func (r *Repository) Count(requestContext context.Context) (int, error) {
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var count int
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if queryError := r.pool.QueryRow(requestContext, `SELECT count(*) FROM products`).Scan(&count); queryError != nil {
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return 0, fmt.Errorf("count products: %w", queryError)
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}
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unit := req.Unit
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if unit == "" {
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unit = "pcs"
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}
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qty := req.Quantity
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if qty <= 0 {
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qty = 1
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}
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// Accept both new and legacy field names.
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primaryID := req.PrimaryIngredientID
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if primaryID == nil {
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primaryID = req.MappingID
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}
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row := r.pool.QueryRow(ctx, `
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INSERT INTO products (user_id, primary_ingredient_id, name, quantity, unit, category, storage_days)
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VALUES ($1, $2, $3, $4, $5, $6, $7)
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RETURNING `+selectCols,
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userID, primaryID, req.Name, qty, unit, req.Category, storageDays,
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)
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return scanProduct(row)
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return count, nil
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}
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// BatchCreate inserts multiple products sequentially and returns all created records.
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func (r *Repository) BatchCreate(ctx context.Context, userID string, items []CreateRequest) ([]*Product, error) {
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var result []*Product
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for _, req := range items {
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p, err := r.Create(ctx, userID, req)
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if err != nil {
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return nil, fmt.Errorf("batch create product %q: %w", req.Name, err)
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// UpsertAliases inserts aliases for a given catalog product and language.
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func (r *Repository) UpsertAliases(requestContext context.Context, id, lang string, aliases []string) error {
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if len(aliases) == 0 {
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return nil
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}
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batch := &pgx.Batch{}
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for _, alias := range aliases {
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batch.Queue(
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`INSERT INTO product_aliases (product_id, lang, alias) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING`,
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id, lang, alias,
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)
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}
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results := r.pool.SendBatch(requestContext, batch)
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defer results.Close()
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for range aliases {
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if _, execError := results.Exec(); execError != nil {
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return fmt.Errorf("upsert product alias %s/%s: %w", id, lang, execError)
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}
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result = append(result, p)
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}
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return result, nil
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}
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// Update modifies an existing product. Only non-nil fields are changed.
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// Returns ErrNotFound if the product does not exist or belongs to a different user.
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func (r *Repository) Update(ctx context.Context, id, userID string, req UpdateRequest) (*Product, error) {
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row := r.pool.QueryRow(ctx, `
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UPDATE products SET
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name = COALESCE($3, name),
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quantity = COALESCE($4, quantity),
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unit = COALESCE($5, unit),
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category = COALESCE($6, category),
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storage_days = COALESCE($7, storage_days)
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WHERE id = $1 AND user_id = $2
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RETURNING `+selectCols,
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id, userID, req.Name, req.Quantity, req.Unit, req.Category, req.StorageDays,
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)
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p, err := scanProduct(row)
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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 p, err
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}
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// Delete removes a product. Returns ErrNotFound if it does not exist or belongs to a different user.
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func (r *Repository) Delete(ctx context.Context, id, userID string) error {
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tag, err := r.pool.Exec(ctx,
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`DELETE FROM products WHERE id = $1 AND user_id = $2`, id, userID)
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if err != nil {
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return fmt.Errorf("delete product: %w", err)
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}
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if tag.RowsAffected() == 0 {
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return ErrNotFound
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}
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return nil
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}
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// ListForPrompt returns a human-readable list of user's products for the AI prompt.
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// Expiring soon items are marked with ⚠.
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func (r *Repository) ListForPrompt(ctx context.Context, userID string) ([]string, error) {
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rows, err := r.pool.Query(ctx, `
|
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WITH p AS (
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SELECT name, quantity, unit,
|
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(added_at + storage_days * INTERVAL '1 day') AS expires_at
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FROM products
|
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WHERE user_id = $1
|
||||
)
|
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SELECT name, quantity, unit, expires_at
|
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FROM p
|
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ORDER BY expires_at ASC`, userID)
|
||||
if err != nil {
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return nil, fmt.Errorf("list products for prompt: %w", err)
|
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}
|
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defer rows.Close()
|
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// UpsertCategoryTranslation inserts or replaces a localized category name.
|
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func (r *Repository) UpsertCategoryTranslation(requestContext context.Context, slug, lang, name string) error {
|
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query := `
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INSERT INTO product_category_translations (product_category_slug, lang, name)
|
||||
VALUES ($1, $2, $3)
|
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ON CONFLICT (product_category_slug, lang) DO UPDATE SET name = EXCLUDED.name`
|
||||
|
||||
var lines []string
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now := time.Now()
|
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for rows.Next() {
|
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var name, unit string
|
||||
var qty float64
|
||||
var expiresAt time.Time
|
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if err := rows.Scan(&name, &qty, &unit, &expiresAt); err != nil {
|
||||
return nil, fmt.Errorf("scan product for prompt: %w", err)
|
||||
}
|
||||
daysLeft := int(expiresAt.Sub(now).Hours() / 24)
|
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line := fmt.Sprintf("- %s %.0f %s", name, qty, unit)
|
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switch {
|
||||
case daysLeft <= 0:
|
||||
line += " (expires today ⚠)"
|
||||
case daysLeft == 1:
|
||||
line += " (expires tomorrow ⚠)"
|
||||
case daysLeft <= 3:
|
||||
line += fmt.Sprintf(" (expires in %d days ⚠)", daysLeft)
|
||||
}
|
||||
lines = append(lines, line)
|
||||
if _, execError := r.pool.Exec(requestContext, query, slug, lang, name); execError != nil {
|
||||
return fmt.Errorf("upsert category translation %s/%s: %w", slug, lang, execError)
|
||||
}
|
||||
return lines, rows.Err()
|
||||
return nil
|
||||
}
|
||||
|
||||
// --- helpers ---
|
||||
// --- scan helpers ---
|
||||
|
||||
func scanProduct(row pgx.Row) (*Product, error) {
|
||||
var p Product
|
||||
err := row.Scan(
|
||||
&p.ID, &p.UserID, &p.PrimaryIngredientID, &p.Name, &p.Quantity, &p.Unit,
|
||||
&p.Category, &p.StorageDays, &p.AddedAt, &p.ExpiresAt,
|
||||
func scanProductWrite(row pgx.Row) (*Product, error) {
|
||||
var catalogProduct Product
|
||||
scanError := row.Scan(
|
||||
&catalogProduct.ID, &catalogProduct.CanonicalName, &catalogProduct.Category, &catalogProduct.DefaultUnit,
|
||||
&catalogProduct.CaloriesPer100g, &catalogProduct.ProteinPer100g, &catalogProduct.FatPer100g, &catalogProduct.CarbsPer100g, &catalogProduct.FiberPer100g,
|
||||
&catalogProduct.StorageDays, &catalogProduct.CreatedAt, &catalogProduct.UpdatedAt,
|
||||
)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
if scanError != nil {
|
||||
return nil, scanError
|
||||
}
|
||||
computeDaysLeft(&p)
|
||||
return &p, nil
|
||||
catalogProduct.Aliases = json.RawMessage("[]")
|
||||
return &catalogProduct, nil
|
||||
}
|
||||
|
||||
func collectProducts(rows pgx.Rows) ([]*Product, error) {
|
||||
func scanProductRead(row pgx.Row) (*Product, error) {
|
||||
var catalogProduct Product
|
||||
var aliases []byte
|
||||
scanError := row.Scan(
|
||||
&catalogProduct.ID, &catalogProduct.CanonicalName, &catalogProduct.Category, &catalogProduct.CategoryName,
|
||||
&catalogProduct.DefaultUnit, &catalogProduct.DefaultUnitName,
|
||||
&catalogProduct.CaloriesPer100g, &catalogProduct.ProteinPer100g, &catalogProduct.FatPer100g, &catalogProduct.CarbsPer100g, &catalogProduct.FiberPer100g,
|
||||
&catalogProduct.StorageDays, &catalogProduct.CreatedAt, &catalogProduct.UpdatedAt, &aliases,
|
||||
)
|
||||
if scanError != nil {
|
||||
return nil, scanError
|
||||
}
|
||||
catalogProduct.Aliases = json.RawMessage(aliases)
|
||||
return &catalogProduct, nil
|
||||
}
|
||||
|
||||
func collectProductsWrite(rows pgx.Rows) ([]*Product, error) {
|
||||
var result []*Product
|
||||
for rows.Next() {
|
||||
var p Product
|
||||
if err := rows.Scan(
|
||||
&p.ID, &p.UserID, &p.PrimaryIngredientID, &p.Name, &p.Quantity, &p.Unit,
|
||||
&p.Category, &p.StorageDays, &p.AddedAt, &p.ExpiresAt,
|
||||
); err != nil {
|
||||
return nil, fmt.Errorf("scan product: %w", err)
|
||||
var catalogProduct Product
|
||||
if scanError := rows.Scan(
|
||||
&catalogProduct.ID, &catalogProduct.CanonicalName, &catalogProduct.Category, &catalogProduct.DefaultUnit,
|
||||
&catalogProduct.CaloriesPer100g, &catalogProduct.ProteinPer100g, &catalogProduct.FatPer100g, &catalogProduct.CarbsPer100g, &catalogProduct.FiberPer100g,
|
||||
&catalogProduct.StorageDays, &catalogProduct.CreatedAt, &catalogProduct.UpdatedAt,
|
||||
); scanError != nil {
|
||||
return nil, fmt.Errorf("scan product: %w", scanError)
|
||||
}
|
||||
computeDaysLeft(&p)
|
||||
result = append(result, &p)
|
||||
catalogProduct.Aliases = json.RawMessage("[]")
|
||||
result = append(result, &catalogProduct)
|
||||
}
|
||||
return result, rows.Err()
|
||||
}
|
||||
|
||||
func computeDaysLeft(p *Product) {
|
||||
d := int(time.Until(p.ExpiresAt).Hours() / 24)
|
||||
if d < 0 {
|
||||
d = 0
|
||||
func collectProductsRead(rows pgx.Rows) ([]*Product, error) {
|
||||
var result []*Product
|
||||
for rows.Next() {
|
||||
var catalogProduct Product
|
||||
var aliases []byte
|
||||
if scanError := rows.Scan(
|
||||
&catalogProduct.ID, &catalogProduct.CanonicalName, &catalogProduct.Category, &catalogProduct.CategoryName,
|
||||
&catalogProduct.DefaultUnit, &catalogProduct.DefaultUnitName,
|
||||
&catalogProduct.CaloriesPer100g, &catalogProduct.ProteinPer100g, &catalogProduct.FatPer100g, &catalogProduct.CarbsPer100g, &catalogProduct.FiberPer100g,
|
||||
&catalogProduct.StorageDays, &catalogProduct.CreatedAt, &catalogProduct.UpdatedAt, &aliases,
|
||||
); scanError != nil {
|
||||
return nil, fmt.Errorf("scan product: %w", scanError)
|
||||
}
|
||||
catalogProduct.Aliases = json.RawMessage(aliases)
|
||||
result = append(result, &catalogProduct)
|
||||
}
|
||||
p.DaysLeft = d
|
||||
p.ExpiringSoon = d <= 3
|
||||
return result, rows.Err()
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user