344 lines
14 KiB
JavaScript
344 lines
14 KiB
JavaScript
const { outputProgress, formatElapsedTime, estimateRemaining, calculateRate, logError } = require('./utils/progress');
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const { getConnection } = require('./utils/db');
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async function calculateTimeAggregates(startTime, totalProducts, processedCount = 0, isCancelled = false) {
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const connection = await getConnection();
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let success = false;
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let processedOrders = 0;
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try {
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if (isCancelled) {
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outputProgress({
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status: 'cancelled',
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operation: 'Time aggregates calculation cancelled',
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current: processedCount,
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total: totalProducts,
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elapsed: formatElapsedTime(startTime),
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remaining: null,
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rate: calculateRate(startTime, processedCount),
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percentage: ((processedCount / totalProducts) * 100).toFixed(1),
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timing: {
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start_time: new Date(startTime).toISOString(),
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end_time: new Date().toISOString(),
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elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
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}
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});
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return {
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processedProducts: processedCount,
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processedOrders: 0,
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processedPurchaseOrders: 0,
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success
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};
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}
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// Get order count that will be processed
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const orderCount = await connection.query(`
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SELECT COUNT(*) as count
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FROM orders o
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WHERE o.canceled = false
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`);
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processedOrders = parseInt(orderCount.rows[0].count);
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outputProgress({
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status: 'running',
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operation: 'Starting time aggregates calculation',
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current: processedCount,
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total: totalProducts,
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elapsed: formatElapsedTime(startTime),
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remaining: estimateRemaining(startTime, processedCount, totalProducts),
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rate: calculateRate(startTime, processedCount),
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percentage: ((processedCount / totalProducts) * 100).toFixed(1),
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timing: {
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start_time: new Date(startTime).toISOString(),
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end_time: new Date().toISOString(),
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elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
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}
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});
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// Create a temporary table for end-of-month inventory values
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await connection.query(`
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CREATE TEMPORARY TABLE IF NOT EXISTS temp_monthly_inventory AS
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WITH months AS (
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-- Generate all year/month combinations for the last 12 months
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SELECT
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EXTRACT(YEAR FROM month_date)::INTEGER as year,
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EXTRACT(MONTH FROM month_date)::INTEGER as month,
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month_date as start_date,
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(month_date + INTERVAL '1 month'::interval - INTERVAL '1 day'::interval)::DATE as end_date
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FROM (
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SELECT generate_series(
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DATE_TRUNC('month', CURRENT_DATE - INTERVAL '12 months'::interval)::DATE,
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DATE_TRUNC('month', CURRENT_DATE)::DATE,
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INTERVAL '1 month'::interval
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) as month_date
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) dates
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),
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monthly_inventory_calc AS (
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SELECT
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p.pid,
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m.year,
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m.month,
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m.end_date,
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p.stock_quantity as current_quantity,
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-- Calculate sold during period (before end_date)
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COALESCE(SUM(
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CASE
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WHEN o.date <= m.end_date THEN o.quantity
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ELSE 0
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END
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), 0) as sold_after_end_date,
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-- Calculate received during period (before end_date)
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COALESCE(SUM(
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CASE
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WHEN po.received_date <= m.end_date THEN po.received
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ELSE 0
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END
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), 0) as received_after_end_date,
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p.cost_price
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FROM
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products p
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CROSS JOIN
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months m
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LEFT JOIN
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orders o ON p.pid = o.pid
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AND o.canceled = false
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AND o.date > m.end_date
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AND o.date <= CURRENT_DATE
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LEFT JOIN
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purchase_orders po ON p.pid = po.pid
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AND po.received_date IS NOT NULL
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AND po.received_date > m.end_date
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AND po.received_date <= CURRENT_DATE
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GROUP BY
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p.pid, m.year, m.month, m.end_date, p.stock_quantity, p.cost_price
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)
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SELECT
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pid,
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year,
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month,
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-- End of month quantity = current quantity - sold after + received after
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GREATEST(0, current_quantity - sold_after_end_date + received_after_end_date) as end_of_month_quantity,
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-- End of month inventory value
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GREATEST(0, current_quantity - sold_after_end_date + received_after_end_date) * cost_price as end_of_month_value,
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cost_price
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FROM
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monthly_inventory_calc
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`);
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processedCount = Math.floor(totalProducts * 0.40);
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outputProgress({
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status: 'running',
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operation: 'Monthly inventory values calculated, processing time aggregates',
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current: processedCount,
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total: totalProducts,
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elapsed: formatElapsedTime(startTime),
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remaining: estimateRemaining(startTime, processedCount, totalProducts),
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rate: calculateRate(startTime, processedCount),
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percentage: ((processedCount / totalProducts) * 100).toFixed(1),
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timing: {
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start_time: new Date(startTime).toISOString(),
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end_time: new Date().toISOString(),
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elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
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}
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});
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// Initial insert of time-based aggregates
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await connection.query(`
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INSERT INTO product_time_aggregates (
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pid,
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year,
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month,
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total_quantity_sold,
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total_revenue,
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total_cost,
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order_count,
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stock_received,
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stock_ordered,
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avg_price,
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profit_margin,
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inventory_value,
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gmroi
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)
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WITH monthly_sales AS (
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SELECT
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o.pid,
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EXTRACT(YEAR FROM o.date::timestamp with time zone)::INTEGER as year,
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EXTRACT(MONTH FROM o.date::timestamp with time zone)::INTEGER as month,
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SUM(o.quantity) as total_quantity_sold,
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SUM((o.price - COALESCE(o.discount, 0)) * o.quantity) as total_revenue,
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SUM(COALESCE(o.costeach, 0) * o.quantity) as total_cost,
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COUNT(DISTINCT o.order_number) as order_count,
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AVG(o.price - COALESCE(o.discount, 0)) as avg_price,
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CASE
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WHEN SUM((o.price - COALESCE(o.discount, 0)) * o.quantity) > 0
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THEN ((SUM((o.price - COALESCE(o.discount, 0)) * o.quantity) - SUM(COALESCE(o.costeach, 0) * o.quantity))
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/ SUM((o.price - COALESCE(o.discount, 0)) * o.quantity)) * 100
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ELSE 0
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END as profit_margin,
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COUNT(DISTINCT DATE(o.date)) as active_days
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FROM orders o
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JOIN products p ON o.pid = p.pid
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WHERE o.canceled = false
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GROUP BY o.pid, EXTRACT(YEAR FROM o.date::timestamp with time zone), EXTRACT(MONTH FROM o.date::timestamp with time zone)
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),
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monthly_stock AS (
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SELECT
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pid,
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EXTRACT(YEAR FROM date::timestamp with time zone)::INTEGER as year,
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EXTRACT(MONTH FROM date::timestamp with time zone)::INTEGER as month,
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SUM(received) as stock_received,
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SUM(ordered) as stock_ordered
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FROM purchase_orders
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GROUP BY pid, EXTRACT(YEAR FROM date::timestamp with time zone), EXTRACT(MONTH FROM date::timestamp with time zone)
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)
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SELECT
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COALESCE(s.pid, ms.pid, mi.pid) as pid,
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COALESCE(s.year, ms.year, mi.year) as year,
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COALESCE(s.month, ms.month, mi.month) as month,
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COALESCE(s.total_quantity_sold, 0)::INTEGER as total_quantity_sold,
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COALESCE(s.total_revenue, 0)::DECIMAL(10,3) as total_revenue,
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COALESCE(s.total_cost, 0)::DECIMAL(10,3) as total_cost,
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COALESCE(s.order_count, 0)::INTEGER as order_count,
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COALESCE(ms.stock_received, 0)::INTEGER as stock_received,
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COALESCE(ms.stock_ordered, 0)::INTEGER as stock_ordered,
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COALESCE(s.avg_price, 0)::DECIMAL(10,3) as avg_price,
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COALESCE(s.profit_margin, 0)::DECIMAL(10,3) as profit_margin,
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COALESCE(mi.end_of_month_value, 0)::DECIMAL(10,3) as inventory_value,
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CASE
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WHEN COALESCE(mi.end_of_month_value, 0) > 0
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THEN (COALESCE(s.total_revenue, 0) - COALESCE(s.total_cost, 0))
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/ NULLIF(COALESCE(mi.end_of_month_value, 0), 0)
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ELSE 0
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END::DECIMAL(10,3) as gmroi
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FROM (
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SELECT * FROM monthly_sales s
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UNION ALL
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SELECT
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pid,
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year,
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month,
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0 as total_quantity_sold,
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0 as total_revenue,
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0 as total_cost,
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0 as order_count,
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NULL as avg_price,
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0 as profit_margin,
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0 as active_days
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FROM monthly_stock ms
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WHERE NOT EXISTS (
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SELECT 1 FROM monthly_sales s2
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WHERE s2.pid = ms.pid
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AND s2.year = ms.year
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AND s2.month = ms.month
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)
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UNION ALL
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SELECT
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pid,
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year,
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month,
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0 as total_quantity_sold,
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0 as total_revenue,
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0 as total_cost,
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0 as order_count,
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NULL as avg_price,
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0 as profit_margin,
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0 as active_days
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FROM temp_monthly_inventory mi
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WHERE NOT EXISTS (
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SELECT 1 FROM monthly_sales s3
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WHERE s3.pid = mi.pid
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AND s3.year = mi.year
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AND s3.month = mi.month
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)
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AND NOT EXISTS (
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SELECT 1 FROM monthly_stock ms3
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WHERE ms3.pid = mi.pid
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AND ms3.year = mi.year
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AND ms3.month = mi.month
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)
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) s
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LEFT JOIN monthly_stock ms
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ON s.pid = ms.pid
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AND s.year = ms.year
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AND s.month = ms.month
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LEFT JOIN temp_monthly_inventory mi
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ON s.pid = mi.pid
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AND s.year = mi.year
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AND s.month = mi.month
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ON CONFLICT (pid, year, month) DO UPDATE
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SET
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total_quantity_sold = EXCLUDED.total_quantity_sold,
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total_revenue = EXCLUDED.total_revenue,
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total_cost = EXCLUDED.total_cost,
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order_count = EXCLUDED.order_count,
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stock_received = EXCLUDED.stock_received,
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stock_ordered = EXCLUDED.stock_ordered,
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avg_price = EXCLUDED.avg_price,
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profit_margin = EXCLUDED.profit_margin,
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inventory_value = EXCLUDED.inventory_value,
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gmroi = EXCLUDED.gmroi
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`);
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processedCount = Math.floor(totalProducts * 0.60);
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outputProgress({
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status: 'running',
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operation: 'Base time aggregates calculated',
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current: processedCount,
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total: totalProducts,
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elapsed: formatElapsedTime(startTime),
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remaining: estimateRemaining(startTime, processedCount, totalProducts),
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rate: calculateRate(startTime, processedCount),
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percentage: ((processedCount / totalProducts) * 100).toFixed(1),
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timing: {
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start_time: new Date(startTime).toISOString(),
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end_time: new Date().toISOString(),
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elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
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}
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});
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if (isCancelled) return {
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processedProducts: processedCount,
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processedOrders,
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processedPurchaseOrders: 0,
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success
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};
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// Clean up temporary tables
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await connection.query('DROP TABLE IF EXISTS temp_monthly_inventory');
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// If we get here, everything completed successfully
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success = true;
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// Update calculate_status
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await connection.query(`
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INSERT INTO calculate_status (module_name, last_calculation_timestamp)
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VALUES ('time_aggregates', NOW())
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ON CONFLICT (module_name) DO UPDATE
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SET last_calculation_timestamp = NOW()
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`);
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return {
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processedProducts: processedCount,
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processedOrders,
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processedPurchaseOrders: 0,
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success
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};
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} catch (error) {
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success = false;
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logError(error, 'Error calculating time aggregates');
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throw error;
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} finally {
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if (connection) {
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try {
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// Ensure temporary tables are cleaned up
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await connection.query('DROP TABLE IF EXISTS temp_monthly_inventory');
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} catch (err) {
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console.error('Error cleaning up temporary tables:', err);
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}
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connection.release();
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}
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}
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}
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module.exports = calculateTimeAggregates;
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