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.
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# n8n Postgres Node - Korrigierte Version
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## SQL Query (ohne Kommentare, mit $1 Parameter)
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```sql
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SELECT
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so.external_ref AS "Bestellnummer",
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TO_CHAR(so.order_date, 'YYYY-MM-DD"T"HH24:MI:SS') AS "Bestelldatum",
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TO_CHAR(so.shipping_date, 'YYYY-MM-DD') AS "Versanddatum",
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COALESCE(ad.first_name, '') AS "Vorname",
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COALESCE(ad.last_name, '') AS "Nachname",
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COALESCE(ad.street, '') AS "Strasse",
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COALESCE(ad.house_number, '') AS "Hausnummer",
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COALESCE(ad.zip, '') AS "PLZ",
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COALESCE(ad.city, '') AS "Stadt",
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COALESCE(ad.country_name, '') AS "Land",
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COALESCE(pm.code, '') AS "Zahlungsart",
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COALESCE(so.amount_net, 0) AS "Gesamtbetrag_netto",
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COALESCE(so.amount_shipping, 0) AS "Versandkosten",
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COALESCE(so.total_amount, 0) AS "Gesamtbetrag_brutto",
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COALESCE(so.amount_discount, 0) AS "Rabatt",
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COALESCE(SUM(CASE WHEN p.id = 8 THEN a.qty ELSE 0 END), 0) AS "#_ChagaFlaschen",
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COALESCE(SUM(CASE WHEN p.id = 5 THEN a.qty ELSE 0 END), 0) AS "#_ReishiFlaschen",
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COALESCE(SUM(CASE WHEN p.id = 9 THEN a.qty ELSE 0 END), 0) AS "#_ShiitakeFlaschen",
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COALESCE(SUM(CASE WHEN p.id = 6 THEN a.qty ELSE 0 END), 0) AS "#_LionsManeFlaschen"
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FROM sales_order so
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LEFT JOIN address ad ON so.party_id = ad.party_id AND ad.type = 'shipping'
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LEFT JOIN payment_method pm ON so.payment_method_id = pm.id
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LEFT JOIN sales_order_line sol ON so.id = sol.sales_order_id
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LEFT JOIN sales_order_line_lot_allocation a ON sol.id = a.sales_order_line_id
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LEFT JOIN product p ON a.product_id = p.id AND p.status = 'active'
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WHERE so.external_ref = $1
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GROUP BY so.id, ad.id, pm.id
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```
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## Alternative mit einfachen Feldnamen (keine Anführungszeichen):
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```sql
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SELECT
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so.external_ref AS Bestellnummer,
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TO_CHAR(so.order_date, 'YYYY-MM-DD"T"HH24:MI:SS') AS Bestelldatum,
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TO_CHAR(so.shipping_date, 'YYYY-MM-DD') AS Versanddatum,
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COALESCE(ad.first_name, '') AS Vorname,
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COALESCE(ad.last_name, '') AS Nachname,
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COALESCE(ad.street, '') AS Strasse,
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COALESCE(ad.house_number, '') AS Hausnummer,
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COALESCE(ad.zip, '') AS PLZ,
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COALESCE(ad.city, '') AS Stadt,
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COALESCE(ad.country_name, '') AS Land,
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COALESCE(pm.code, '') AS Zahlungsart,
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COALESCE(so.amount_net, 0) AS Gesamtbetrag_netto,
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COALESCE(so.amount_shipping, 0) AS Versandkosten,
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COALESCE(so.total_amount, 0) AS Gesamtbetrag_brutto,
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COALESCE(so.amount_discount, 0) AS Rabatt,
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COALESCE(SUM(CASE WHEN p.id = 8 THEN a.qty ELSE 0 END), 0) AS _ChagaFlaschen,
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COALESCE(SUM(CASE WHEN p.id = 5 THEN a.qty ELSE 0 END), 0) AS _ReishiFlaschen,
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COALESCE(SUM(CASE WHEN p.id = 9 THEN a.qty ELSE 0 END), 0) AS _ShiitakeFlaschen,
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COALESCE(SUM(CASE WHEN p.id = 6 THEN a.qty ELSE 0 END), 0) AS _LionsManeFlaschen
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FROM sales_order so
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LEFT JOIN address ad ON so.party_id = ad.party_id AND ad.type = 'shipping'
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LEFT JOIN payment_method pm ON so.payment_method_id = pm.id
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LEFT JOIN sales_order_line sol ON so.id = sol.sales_order_id
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LEFT JOIN sales_order_line_lot_allocation a ON sol.id = a.sales_order_line_id
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LEFT JOIN product p ON a.product_id = p.id AND p.status = 'active'
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WHERE so.external_ref = $1
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GROUP BY so.id, ad.id, pm.id
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```
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## Query Values in n8n
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```json
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{
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"values": {
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"value": "={{ $json.Bestellnummer }}",
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"string": "={{ $json.Bestellnummer }}"
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}
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}
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```
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## Testing Query direkt in DB
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```bash
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psql "postgresql://codex_db_user:Ze90re0KAry8gyJ6eAx0Gf4IelEGI@192.168.1.199:55432/naurua_erp" -c "
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SELECT
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so.external_ref AS Bestellnummer,
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TO_CHAR(so.order_date, 'YYYY-MM-DD\"T\"HH24:MI:SS') AS Bestelldatum,
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TO_CHAR(so.shipping_date, 'YYYY-MM-DD') AS Versanddatum,
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COALESCE(ad.first_name, '') AS Vorname,
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COALESCE(ad.last_name, '') AS Nachname,
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COALESCE(ad.street, '') AS Strasse,
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COALESCE(ad.house_number, '') AS Hausnummer,
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COALESCE(ad.zip, '') AS PLZ,
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COALESCE(ad.city, '') AS Stadt,
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COALESCE(ad.country_name, '') AS Land,
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COALESCE(pm.code, '') AS Zahlungsart,
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COALESCE(so.amount_net, 0) AS Gesamtbetrag_netto,
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COALESCE(so.amount_shipping, 0) AS Versandkosten,
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COALESCE(so.total_amount, 0) AS Gesamtbetrag_brutto,
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COALESCE(so.amount_discount, 0) AS Rabatt,
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COALESCE(SUM(CASE WHEN p.id = 8 THEN a.qty ELSE 0 END), 0) AS _ChagaFlaschen,
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COALESCE(SUM(CASE WHEN p.id = 5 THEN a.qty ELSE 0 END), 0) AS _ReishiFlaschen,
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COALESCE(SUM(CASE WHEN p.id = 9 THEN a.qty ELSE 0 END), 0) AS _ShiitakeFlaschen,
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COALESCE(SUM(CASE WHEN p.id = 6 THEN a.qty ELSE 0 END), 0) AS _LionsManeFlaschen
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FROM sales_order so
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LEFT JOIN address ad ON so.party_id = ad.party_id AND ad.type = 'shipping'
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LEFT JOIN payment_method pm ON so.payment_method_id = pm.id
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LEFT JOIN sales_order_line sol ON so.id = sol.sales_order_id
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LEFT JOIN sales_order_line_lot_allocation a ON sol.id = a.sales_order_line_id
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LEFT JOIN product p ON a.product_id = p.id AND p.status = 'active'
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WHERE so.external_ref = '10477'
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GROUP BY so.id, ad.id, pm.id;"
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```
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