name: Excel Daten aus ERP abfragen
type: n8n-nodes-base.postgres
typeVersion: 2.1
position: [0, 0]
credentials:
  postgres:
    id: YOUR_CREDENTIAL_ID_HERE
    name: ERP Naurua Database
parameters:
  operation: executeQuery
  query: |
    SELECT 
        -- Bestellinformationen
        so.external_ref AS "Bestellnummer",
        TO_CHAR(so.order_date, 'YYYY-MM-DD"T"HH24:MI:SS') AS "Bestelldatum",
        TO_CHAR(so.shipping_date, 'YYYY-MM-DD') AS "Versanddatum",
        
        -- Kundenadresse (Lieferadresse)
        COALESCE(ad.first_name, '') AS "Vorname",
        COALESCE(ad.last_name, '') AS "Nachname",
        COALESCE(ad.street, '') AS "Strasse",
        COALESCE(ad.house_number, '') AS "Hausnummer",
        COALESCE(ad.zip, '') AS "PLZ",
        COALESCE(ad.city, '') AS "Stadt",
        COALESCE(ad.country_name, '') AS "Land",
        
        -- Zahlungs- und Betragsinformationen
        COALESCE(pm.code, '') AS "Zahlungsart",
        COALESCE(so.amount_net, 0) AS "Gesamtbetrag_netto",
        COALESCE(so.amount_shipping, 0) AS "Versandkosten",
        COALESCE(so.total_amount, 0) AS "Gesamtbetrag_brutto",
        COALESCE(so.amount_discount, 0) AS "Rabatt",
        
        -- Produktzählungen (nur aktive Produkte)
        COALESCE(SUM(CASE WHEN p.id = 8 THEN a.qty ELSE 0 END), 0) AS "#_ChagaFlaschen",      -- CHAGA (ID 8)
        COALESCE(SUM(CASE WHEN p.id = 5 THEN a.qty ELSE 0 END), 0) AS "#_ReishiFlaschen",     -- 003.01 (ID 5)
        COALESCE(SUM(CASE WHEN p.id = 9 THEN a.qty ELSE 0 END), 0) AS "#_ShiitakeFlaschen",   -- SHIITAKE (ID 9)
        COALESCE(SUM(CASE WHEN p.id = 6 THEN a.qty ELSE 0 END), 0) AS "#_LionsManeFlaschen"   -- 005.02 (ID 6)
        
    FROM sales_order so
    -- Lieferadresse
    LEFT JOIN address ad ON so.party_id = ad.party_id AND ad.type = 'shipping'
    -- Zahlungsart
    LEFT JOIN payment_method pm ON so.payment_method_id = pm.id
    -- Bestellpositionen und Allokationen
    LEFT JOIN sales_order_line sol ON so.id = sol.sales_order_id
    LEFT JOIN sales_order_line_lot_allocation a ON sol.id = a.sales_order_line_id
    -- Produkte (nur aktive)
    LEFT JOIN product p ON a.product_id = p.id AND p.status = 'active'
    
    WHERE so.external_ref = $1
    GROUP BY so.id, ad.id, pm.id
  queryValues:
    values:
      value: "={{ $json.Bestellnummer }}"
      string: "={{ $json.Bestellnummer }}"
  options:
    maxRows: 1