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
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+# n8n Postgres Node - Copy & Paste
+
+## SQL Query für Postgres Node
+Kopiere diesen SQL-Code in das Query-Feld der n8n Postgres Node:
+
+```sql
+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
+```
+
+## Query Values (Parameter)
+```json
+{
+  "values": {
+    "value": "={{ $json.Bestellnummer }}",
+    "string": "={{ $json.Bestellnummer }}"
+  }
+}
+```
+
+## Database Connection
+```
+Name: ERP Naurua Database
+Host: 192.168.1.199
+Port: 55432
+Database: naurua_erp
+User: codex_db_user
+Password: Ze90re0KAry8gyJ6eAx0Gf4IelEGI
+SSL: Disabled
+```
+
+## Options
+```json
+{
+  "maxRows": 1
+}
+```
+
+## Output Fields
+Die Query liefert diese Felder für die Excel-Node:
+
+| Feldname | Typ | Beispiel |
+|----------|-----|----------|
+| Bestellnummer | String | "10477" |
+| Bestelldatum | ISO DateTime | "2026-04-05T23:12:07" |
+| Versanddatum | ISO Date | "2026-04-06" |
+| Vorname | String | "Irendy" |
+| Nachname | String | "Bucio" |
+| Strasse | String | "Weingartenstrasse" |
+| Hausnummer | String | "5" |
+| PLZ | String | "4600" |
+| Stadt | String | "Olten" |
+| Land | String | "CH" |
+| Zahlungsart | String | "" |
+| Gesamtbetrag_netto | Number | 49.95 |
+| Versandkosten | Number | 4.95 |
+| Gesamtbetrag_brutto | Number | 44.91 |
+| Rabatt | Number | 9.99 |
+| #_ChagaFlaschen | Number | 0 |
+| #_ReishiFlaschen | Number | 0 |
+| #_ShiitakeFlaschen | Number | 0 |
+| #_LionsManeFlaschen | Number | 1.0000 |
+
+## Excel-Node Mapping
+Die Excel-Node muss diese Feldnamen exakt übernehmen (Groß-/Kleinschreibung beachten!).