Implement Excel webhook integration

Features: - Migration 0007: shipping_date column with automatic next-business-day calculation - New function trigger_excel_webhook() in order-import.php - SQL query for extracting Excel data from ERP database - Integration after successful order import - Documentation for n8n Postgres node configuration Changes: 1. db/migrations/0007_phase1_excel_webhook.sql - adds shipping_date column, trigger, next-business-day function 2. order-import.php - adds trigger_excel_webhook() function and integration point 3. docs/EXAKTE_POSTGRES_QUERY.sql - exact SQL query for n8n Postgres node 4. docs/N8N_POSTGRES_QUERY.md - comprehensive documentation 5. docs/N8N_POSTGRES_NODE.* - n8n node configurations 6. docs/N8N_EXCEL_WORKFLOW.json - complete workflow JSON 7. docs/N8N_NODE_COPY_PASTE.md - copy-paste ready instructions The implementation triggers an Excel webhook after every successful order import, sending all necessary data for Excel bookkeeping to n8n.
2026-04-06 21:23:50 +02:00
parent d52b6953ed
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+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