Files
inventory/inventory-server/scripts/metrics/category-metrics.js

239 lines
9.7 KiB
JavaScript

const { outputProgress, formatElapsedTime, estimateRemaining, calculateRate, logError } = require('./utils/progress');
const { getConnection } = require('./utils/db');
async function calculateCategoryMetrics(startTime, totalProducts, processedCount, isCancelled = false) {
const connection = await getConnection();
try {
if (isCancelled) {
outputProgress({
status: 'cancelled',
operation: 'Category metrics calculation cancelled',
current: processedCount,
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: null,
rate: calculateRate(startTime, processedCount),
percentage: ((processedCount / totalProducts) * 100).toFixed(1)
});
return processedCount;
}
outputProgress({
status: 'running',
operation: 'Starting category metrics calculation',
current: processedCount,
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, processedCount, totalProducts),
rate: calculateRate(startTime, processedCount),
percentage: ((processedCount / totalProducts) * 100).toFixed(1)
});
// First, calculate base category metrics
await connection.query(`
INSERT INTO category_metrics (
category_id,
product_count,
active_products,
total_value,
status,
last_calculated_at
)
SELECT
c.cat_id,
COUNT(DISTINCT p.pid) as product_count,
COUNT(DISTINCT CASE WHEN p.visible = true THEN p.pid END) as active_products,
COALESCE(SUM(p.stock_quantity * p.cost_price), 0) as total_value,
c.status,
NOW() as last_calculated_at
FROM categories c
LEFT JOIN product_categories pc ON c.cat_id = pc.cat_id
LEFT JOIN products p ON pc.pid = p.pid
GROUP BY c.cat_id, c.status
ON DUPLICATE KEY UPDATE
product_count = VALUES(product_count),
active_products = VALUES(active_products),
total_value = VALUES(total_value),
status = VALUES(status),
last_calculated_at = VALUES(last_calculated_at)
`);
processedCount = Math.floor(totalProducts * 0.90);
outputProgress({
status: 'running',
operation: 'Base category metrics calculated, updating with margin data',
current: processedCount,
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, processedCount, totalProducts),
rate: calculateRate(startTime, processedCount),
percentage: ((processedCount / totalProducts) * 100).toFixed(1)
});
if (isCancelled) return processedCount;
// Then update with margin and turnover data
await connection.query(`
WITH category_sales AS (
SELECT
pc.cat_id,
SUM(o.quantity * o.price) as total_sales,
SUM(o.quantity * (o.price - p.cost_price)) as total_margin,
SUM(o.quantity) as units_sold,
AVG(GREATEST(p.stock_quantity, 0)) as avg_stock
FROM product_categories pc
JOIN products p ON pc.pid = p.pid
JOIN orders o ON p.pid = o.pid
WHERE o.canceled = false
AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR)
GROUP BY pc.cat_id
)
UPDATE category_metrics cm
JOIN category_sales cs ON cm.category_id = cs.cat_id
SET
cm.avg_margin = COALESCE(cs.total_margin * 100.0 / NULLIF(cs.total_sales, 0), 0),
cm.turnover_rate = LEAST(COALESCE(cs.units_sold / NULLIF(cs.avg_stock, 0), 0), 999.99),
cm.last_calculated_at = NOW()
`);
processedCount = Math.floor(totalProducts * 0.95);
outputProgress({
status: 'running',
operation: 'Margin data updated, calculating growth rates',
current: processedCount,
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, processedCount, totalProducts),
rate: calculateRate(startTime, processedCount),
percentage: ((processedCount / totalProducts) * 100).toFixed(1)
});
if (isCancelled) return processedCount;
// Finally update growth rates
await connection.query(`
WITH current_period AS (
SELECT
pc.cat_id,
SUM(o.quantity * o.price) as revenue
FROM product_categories pc
JOIN products p ON pc.pid = p.pid
JOIN orders o ON p.pid = o.pid
WHERE o.canceled = false
AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 3 MONTH)
GROUP BY pc.cat_id
),
previous_period AS (
SELECT
pc.cat_id,
SUM(o.quantity * o.price) as revenue
FROM product_categories pc
JOIN products p ON pc.pid = p.pid
JOIN orders o ON p.pid = o.pid
WHERE o.canceled = false
AND o.date BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 15 MONTH)
AND DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
GROUP BY pc.cat_id
)
UPDATE category_metrics cm
LEFT JOIN current_period cp ON cm.category_id = cp.cat_id
LEFT JOIN previous_period pp ON cm.category_id = pp.cat_id
SET
cm.growth_rate = CASE
WHEN pp.revenue = 0 AND COALESCE(cp.revenue, 0) > 0 THEN 100.0
WHEN pp.revenue = 0 THEN 0.0
ELSE LEAST(
GREATEST(
((COALESCE(cp.revenue, 0) - pp.revenue) / pp.revenue) * 100.0,
-100.0
),
999.99
)
END,
cm.last_calculated_at = NOW()
WHERE cp.cat_id IS NOT NULL OR pp.cat_id IS NOT NULL
`);
processedCount = Math.floor(totalProducts * 0.97);
outputProgress({
status: 'running',
operation: 'Growth rates calculated, updating time-based metrics',
current: processedCount,
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, processedCount, totalProducts),
rate: calculateRate(startTime, processedCount),
percentage: ((processedCount / totalProducts) * 100).toFixed(1)
});
if (isCancelled) return processedCount;
// Calculate time-based metrics
await connection.query(`
INSERT INTO category_time_metrics (
category_id,
year,
month,
product_count,
active_products,
total_value,
total_revenue,
avg_margin,
turnover_rate
)
SELECT
pc.cat_id,
YEAR(o.date) as year,
MONTH(o.date) as month,
COUNT(DISTINCT p.pid) as product_count,
COUNT(DISTINCT CASE WHEN p.visible = true THEN p.pid END) as active_products,
SUM(p.stock_quantity * p.cost_price) as total_value,
SUM(o.quantity * o.price) as total_revenue,
COALESCE(
SUM(o.quantity * (o.price - p.cost_price)) * 100.0 /
NULLIF(SUM(o.quantity * o.price), 0),
0
) as avg_margin,
COALESCE(
SUM(o.quantity) / NULLIF(AVG(GREATEST(p.stock_quantity, 0)), 0),
0
) as turnover_rate
FROM product_categories pc
JOIN products p ON pc.pid = p.pid
JOIN orders o ON p.pid = o.pid
WHERE o.canceled = false
AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
GROUP BY pc.cat_id, YEAR(o.date), MONTH(o.date)
ON DUPLICATE KEY UPDATE
product_count = VALUES(product_count),
active_products = VALUES(active_products),
total_value = VALUES(total_value),
total_revenue = VALUES(total_revenue),
avg_margin = VALUES(avg_margin),
turnover_rate = VALUES(turnover_rate)
`);
processedCount = Math.floor(totalProducts * 0.99);
outputProgress({
status: 'running',
operation: 'Time-based metrics calculated',
current: processedCount,
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, processedCount, totalProducts),
rate: calculateRate(startTime, processedCount),
percentage: ((processedCount / totalProducts) * 100).toFixed(1)
});
return processedCount;
} catch (error) {
logError(error, 'Error calculating category metrics');
throw error;
} finally {
if (connection) {
connection.release();
}
}
}
module.exports = calculateCategoryMetrics;