Luciano Milani
68 lines
2.3 KiB
Go
68 lines
2.3 KiB
Go
package catalog
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import (
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"context"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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type CatalogItem struct {
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ID string `json:"id"`
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Code string `json:"code"`
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Name string `json:"name"`
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Category string `json:"category"`
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Unit string `json:"unit"`
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BasePrice float64 `json:"base_price"`
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Active bool `json:"active"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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func ListItems(ctx context.Context, conn *pgxpool.Conn) ([]*CatalogItem, error) {
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rows, err := conn.Query(ctx, `
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SELECT id, code, name, category, unit, base_price, active, created_at, updated_at
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FROM catalog_items ORDER BY category, name`)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var list []*CatalogItem
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for rows.Next() {
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var i CatalogItem
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if err := rows.Scan(&i.ID, &i.Code, &i.Name, &i.Category, &i.Unit,
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&i.BasePrice, &i.Active, &i.CreatedAt, &i.UpdatedAt); err != nil {
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return nil, err
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}
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list = append(list, &i)
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}
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return list, rows.Err()
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}
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func CreateItem(ctx context.Context, conn *pgxpool.Conn, code, name, category, unit string, basePrice float64) (*CatalogItem, error) {
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var i CatalogItem
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err := conn.QueryRow(ctx, `
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INSERT INTO catalog_items (code, name, category, unit, base_price)
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VALUES ($1, $2, $3, $4, $5)
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RETURNING id, code, name, category, unit, base_price, active, created_at, updated_at`,
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code, name, category, unit, basePrice).
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Scan(&i.ID, &i.Code, &i.Name, &i.Category, &i.Unit, &i.BasePrice, &i.Active, &i.CreatedAt, &i.UpdatedAt)
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return &i, err
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}
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func UpdateItem(ctx context.Context, conn *pgxpool.Conn, id, code, name, category, unit string, basePrice float64, active bool) (*CatalogItem, error) {
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var i CatalogItem
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err := conn.QueryRow(ctx, `
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UPDATE catalog_items SET code=$2, name=$3, category=$4, unit=$5, base_price=$6, active=$7, updated_at=NOW()
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WHERE id=$1
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RETURNING id, code, name, category, unit, base_price, active, created_at, updated_at`,
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id, code, name, category, unit, basePrice, active).
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Scan(&i.ID, &i.Code, &i.Name, &i.Category, &i.Unit, &i.BasePrice, &i.Active, &i.CreatedAt, &i.UpdatedAt)
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return &i, err
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}
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func DeleteItem(ctx context.Context, conn *pgxpool.Conn, id string) error {
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_, err := conn.Exec(ctx, `DELETE FROM catalog_items WHERE id = $1`, id)
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return err
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}
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