143 lines
7.6 KiB
SQL
143 lines
7.6 KiB
SQL
-- Description: Calculates and updates aggregated metrics per vendor.
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-- Dependencies: product_metrics, products, purchase_orders, calculate_status table.
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-- Frequency: Daily (after product_metrics update).
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DO $$
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DECLARE
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_module_name VARCHAR := 'vendor_metrics';
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_start_time TIMESTAMPTZ := clock_timestamp();
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BEGIN
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RAISE NOTICE 'Running % calculation...', _module_name;
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WITH VendorProductAggregates AS (
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-- Aggregate metrics from product_metrics table per vendor
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SELECT
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p.vendor,
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COUNT(DISTINCT pm.pid) AS product_count,
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COUNT(DISTINCT CASE WHEN pm.is_visible THEN pm.pid END) AS active_product_count,
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COUNT(DISTINCT CASE WHEN pm.is_replenishable THEN pm.pid END) AS replenishable_product_count,
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SUM(pm.current_stock) AS current_stock_units,
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SUM(pm.current_stock_cost) AS current_stock_cost,
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SUM(pm.current_stock_retail) AS current_stock_retail,
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SUM(pm.on_order_qty) AS on_order_units,
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SUM(pm.on_order_cost) AS on_order_cost,
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-- Only include products with valid sales data in each time period
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COUNT(DISTINCT CASE WHEN pm.sales_7d > 0 THEN pm.pid END) AS products_with_sales_7d,
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SUM(CASE WHEN pm.sales_7d > 0 THEN pm.sales_7d ELSE 0 END) AS sales_7d,
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SUM(CASE WHEN pm.revenue_7d > 0 THEN pm.revenue_7d ELSE 0 END) AS revenue_7d,
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COUNT(DISTINCT CASE WHEN pm.sales_30d > 0 THEN pm.pid END) AS products_with_sales_30d,
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SUM(CASE WHEN pm.sales_30d > 0 THEN pm.sales_30d ELSE 0 END) AS sales_30d,
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SUM(CASE WHEN pm.revenue_30d > 0 THEN pm.revenue_30d ELSE 0 END) AS revenue_30d,
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SUM(CASE WHEN pm.cogs_30d > 0 THEN pm.cogs_30d ELSE 0 END) AS cogs_30d,
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SUM(CASE WHEN pm.profit_30d != 0 THEN pm.profit_30d ELSE 0 END) AS profit_30d,
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COUNT(DISTINCT CASE WHEN pm.sales_365d > 0 THEN pm.pid END) AS products_with_sales_365d,
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SUM(CASE WHEN pm.sales_365d > 0 THEN pm.sales_365d ELSE 0 END) AS sales_365d,
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SUM(CASE WHEN pm.revenue_365d > 0 THEN pm.revenue_365d ELSE 0 END) AS revenue_365d,
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COUNT(DISTINCT CASE WHEN pm.lifetime_sales > 0 THEN pm.pid END) AS products_with_lifetime_sales,
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SUM(CASE WHEN pm.lifetime_sales > 0 THEN pm.lifetime_sales ELSE 0 END) AS lifetime_sales,
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SUM(CASE WHEN pm.lifetime_revenue > 0 THEN pm.lifetime_revenue ELSE 0 END) AS lifetime_revenue
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FROM public.product_metrics pm
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JOIN public.products p ON pm.pid = p.pid
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WHERE p.vendor IS NOT NULL AND p.vendor <> ''
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GROUP BY p.vendor
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),
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VendorPOAggregates AS (
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-- Aggregate PO related stats including lead time calculated from POs to receivings
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SELECT
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po.vendor,
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COUNT(DISTINCT po.po_id) AS po_count_365d,
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-- Calculate lead time by averaging the days between PO date and receiving date
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AVG(GREATEST(1, CASE
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WHEN r.received_date IS NOT NULL AND po.date IS NOT NULL
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THEN (r.received_date::date - po.date::date)
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ELSE NULL
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END))::int AS avg_lead_time_days_hist -- Avg lead time from HISTORICAL received POs
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FROM public.purchase_orders po
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-- Join to receivings table to find when items were received
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LEFT JOIN public.receivings r ON r.pid = po.pid
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WHERE po.vendor IS NOT NULL AND po.vendor <> ''
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AND po.date >= CURRENT_DATE - INTERVAL '1 year' -- Look at POs created in the last year
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AND po.status = 'done' -- Only calculate lead time on completed POs
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AND r.received_date IS NOT NULL
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AND po.date IS NOT NULL
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AND r.received_date >= po.date
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GROUP BY po.vendor
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),
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AllVendors AS (
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-- Ensure all vendors from products table are included
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SELECT DISTINCT vendor FROM public.products WHERE vendor IS NOT NULL AND vendor <> ''
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)
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INSERT INTO public.vendor_metrics (
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vendor_name, last_calculated,
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product_count, active_product_count, replenishable_product_count,
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current_stock_units, current_stock_cost, current_stock_retail,
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on_order_units, on_order_cost,
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po_count_365d, avg_lead_time_days,
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sales_7d, revenue_7d, sales_30d, revenue_30d, profit_30d, cogs_30d,
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sales_365d, revenue_365d, lifetime_sales, lifetime_revenue,
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avg_margin_30d
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)
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SELECT
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v.vendor,
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_start_time,
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-- Base Aggregates
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COALESCE(vpa.product_count, 0),
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COALESCE(vpa.active_product_count, 0),
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COALESCE(vpa.replenishable_product_count, 0),
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COALESCE(vpa.current_stock_units, 0),
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COALESCE(vpa.current_stock_cost, 0.00),
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COALESCE(vpa.current_stock_retail, 0.00),
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COALESCE(vpa.on_order_units, 0),
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COALESCE(vpa.on_order_cost, 0.00),
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-- PO Aggregates
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COALESCE(vpoa.po_count_365d, 0),
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vpoa.avg_lead_time_days_hist, -- Can be NULL if no received POs
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-- Sales Aggregates
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COALESCE(vpa.sales_7d, 0), COALESCE(vpa.revenue_7d, 0.00),
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COALESCE(vpa.sales_30d, 0), COALESCE(vpa.revenue_30d, 0.00),
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COALESCE(vpa.profit_30d, 0.00), COALESCE(vpa.cogs_30d, 0.00),
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COALESCE(vpa.sales_365d, 0), COALESCE(vpa.revenue_365d, 0.00),
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COALESCE(vpa.lifetime_sales, 0), COALESCE(vpa.lifetime_revenue, 0.00),
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-- KPIs
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(vpa.profit_30d / NULLIF(vpa.revenue_30d, 0)) * 100.0
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FROM AllVendors v
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LEFT JOIN VendorProductAggregates vpa ON v.vendor = vpa.vendor
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LEFT JOIN VendorPOAggregates vpoa ON v.vendor = vpoa.vendor
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ON CONFLICT (vendor_name) DO UPDATE SET
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last_calculated = EXCLUDED.last_calculated,
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product_count = EXCLUDED.product_count,
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active_product_count = EXCLUDED.active_product_count,
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replenishable_product_count = EXCLUDED.replenishable_product_count,
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current_stock_units = EXCLUDED.current_stock_units,
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current_stock_cost = EXCLUDED.current_stock_cost,
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current_stock_retail = EXCLUDED.current_stock_retail,
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on_order_units = EXCLUDED.on_order_units,
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on_order_cost = EXCLUDED.on_order_cost,
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po_count_365d = EXCLUDED.po_count_365d,
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avg_lead_time_days = EXCLUDED.avg_lead_time_days,
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sales_7d = EXCLUDED.sales_7d, revenue_7d = EXCLUDED.revenue_7d,
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sales_30d = EXCLUDED.sales_30d, revenue_30d = EXCLUDED.revenue_30d,
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profit_30d = EXCLUDED.profit_30d, cogs_30d = EXCLUDED.cogs_30d,
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sales_365d = EXCLUDED.sales_365d, revenue_365d = EXCLUDED.revenue_365d,
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lifetime_sales = EXCLUDED.lifetime_sales, lifetime_revenue = EXCLUDED.lifetime_revenue,
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avg_margin_30d = EXCLUDED.avg_margin_30d
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WHERE -- Only update if at least one value has changed
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vendor_metrics.product_count IS DISTINCT FROM EXCLUDED.product_count OR
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vendor_metrics.active_product_count IS DISTINCT FROM EXCLUDED.active_product_count OR
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vendor_metrics.current_stock_units IS DISTINCT FROM EXCLUDED.current_stock_units OR
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vendor_metrics.on_order_units IS DISTINCT FROM EXCLUDED.on_order_units OR
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vendor_metrics.sales_30d IS DISTINCT FROM EXCLUDED.sales_30d OR
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vendor_metrics.revenue_30d IS DISTINCT FROM EXCLUDED.revenue_30d OR
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vendor_metrics.lifetime_sales IS DISTINCT FROM EXCLUDED.lifetime_sales;
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-- Update calculate_status
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INSERT INTO public.calculate_status (module_name, last_calculation_timestamp)
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VALUES (_module_name, _start_time)
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ON CONFLICT (module_name) DO UPDATE SET last_calculation_timestamp = _start_time;
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RAISE NOTICE 'Finished % calculation. Duration: %', _module_name, clock_timestamp() - _start_time;
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END $$; |