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Align purchasing analytics with Power BI

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This commit is contained in:
metacube
2026-06-05 14:04:27 +02:00
parent aa6d0d0804
commit a41ef0a564
5 changed files with 100 additions and 92 deletions
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TrafagSalesExporter/Services/PurchasingDashboardService.cs
+18 -37
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@@ -256,59 +256,40 @@ WITH priced AS (
COALESCE(NULLIF(k.Lifnr, ''), 'ohne Lieferant') AS Supplier,
COALESCE(NULLIF(p.Matnr, ''), NULLIF(p.Txz01, ''), 'ohne Artikel') AS Article,
substr(k.Bedat, 1, 4) AS Year,
SUM(CAST(p.Netwr AS REAL)) AS Value,
SUM(CAST(p.Menge AS REAL)) AS Quantity
MIN(CASE WHEN CAST(p.Menge AS REAL) = 0 THEN NULL ELSE CAST(p.Netwr AS REAL) / CAST(p.Menge AS REAL) END) AS UnitPrice
FROM PurchasingEkpoCache p
LEFT JOIN PurchasingEkkoCache k ON k.Ebeln = p.Ebeln
WHERE COALESCE(p.Loekz, '') = '' AND CAST(p.Menge AS REAL) > 0 AND k.Bedat IS NOT NULL AND k.Bedat <> '' AND " + joinedEkkoPeriod + @"
GROUP BY Supplier, Article, Year
),
current_year AS (
SELECT Supplier, Article, Value, Quantity, Value / Quantity AS UnitPrice
FROM priced
WHERE Year = '2026'
),
previous_year AS (
SELECT Supplier, Article, Value / Quantity AS UnitPrice
FROM priced
WHERE Year = '2025' AND Quantity > 0
)
SELECT
c.Supplier || ' / ' || c.Article AS Label,
printf('%.1f%%', ((c.UnitPrice - p.UnitPrice) / p.UnitPrice) * 100.0) AS Value,
'Wirkung CHF ' || printf('%,.0f', (c.UnitPrice - p.UnitPrice) * c.Quantity) AS Detail,
CASE WHEN ((c.UnitPrice - p.UnitPrice) / p.UnitPrice) >= 0.10 THEN 'High'
WHEN ((c.UnitPrice - p.UnitPrice) / p.UnitPrice) >= 0.03 THEN 'Medium'
Supplier || ' / ' || Article AS Label,
'CHF ' || printf('%.2f', UnitPrice) AS Value,
'Jahr ' || Year || ' | PowerBI: Min(Netwr CHF/Stk)' AS Detail,
CASE WHEN UnitPrice > 1000 THEN 'High'
WHEN UnitPrice > 100 THEN 'Medium'
ELSE 'Low' END AS Severity
FROM current_year c
JOIN previous_year p ON p.Supplier = c.Supplier AND p.Article = c.Article
WHERE p.UnitPrice > 0 AND c.UnitPrice > p.UnitPrice
ORDER BY (c.UnitPrice - p.UnitPrice) * c.Quantity DESC
FROM priced
WHERE UnitPrice IS NOT NULL
ORDER BY Year DESC, UnitPrice DESC
LIMIT 10;", cancellationToken);
state.PriceVarianceChartRows = await ExecuteChartRowsAsync(conn, @"
WITH priced AS (
SELECT
COALESCE(NULLIF(k.Lifnr, ''), 'ohne Lieferant') AS Supplier,
COALESCE(NULLIF(p.Matnr, ''), NULLIF(p.Txz01, ''), 'ohne Artikel') AS Article,
substr(k.Bedat, 1, 4) AS Year,
SUM(CAST(p.Netwr AS REAL)) AS Value,
SUM(CAST(p.Menge AS REAL)) AS Quantity
COALESCE(NULLIF(p.Matnr, ''), NULLIF(p.Txz01, ''), 'ohne Artikel') AS Article,
MIN(CASE WHEN CAST(p.Menge AS REAL) = 0 THEN NULL ELSE CAST(p.Netwr AS REAL) / CAST(p.Menge AS REAL) END) AS UnitPrice
FROM PurchasingEkpoCache p
LEFT JOIN PurchasingEkkoCache k ON k.Ebeln = p.Ebeln
WHERE COALESCE(p.Loekz, '') = '' AND CAST(p.Menge AS REAL) > 0 AND k.Bedat IS NOT NULL AND k.Bedat <> '' AND " + joinedEkkoPeriod + @"
GROUP BY Supplier, Article, Year
),
delta AS (
SELECT c.Supplier, (c.Value / c.Quantity - p.Value / p.Quantity) * c.Quantity AS Impact
FROM priced c
JOIN priced p ON p.Supplier = c.Supplier AND p.Article = c.Article
WHERE c.Year = '2026' AND p.Year = '2025' AND p.Quantity > 0 AND c.Quantity > 0 AND c.Value / c.Quantity > p.Value / p.Quantity
GROUP BY Year, Article
)
SELECT Supplier, SUM(Impact) AS Value
FROM delta
GROUP BY Supplier
ORDER BY Value DESC
LIMIT 6;", cancellationToken);
SELECT Year, MIN(UnitPrice) AS Value
FROM priced
WHERE UnitPrice IS NOT NULL
GROUP BY Year
ORDER BY Year;", cancellationToken);
state.PriceTrendChartRows = state.PriceVarianceChartRows.ToList();
state.SpendConcentrationChartRows = await ExecuteChartRowsAsync(conn, @"
SELECT 'Lieferant ' || COALESCE(NULLIF(k.Lifnr, ''), 'ohne Lieferant') AS Label, SUM(CAST(p.Netwr AS REAL)) AS Value