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Split up calculate script into useable pieces

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Matt
2025-01-21 20:00:43 -05:00
parent 94ac097f42
commit fa8e2fa33b
10 changed files with 1795 additions and 2006 deletions
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2107
inventory-server/scripts/calculate-metrics.js
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inventory-server/scripts/metrics/brand/brand-metrics.js Normal file
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const { outputProgress } = require('../utils/progress');
const { getConnection } = require('../utils/db');
async function calculateBrandMetrics(startTime, totalProducts, processedCount) {
const connection = await getConnection();
try {
outputProgress({
status: 'running',
operation: 'Calculating brand metrics',
current: Math.floor(totalProducts * 0.95),
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, Math.floor(totalProducts * 0.95), totalProducts),
rate: calculateRate(startTime, Math.floor(totalProducts * 0.95)),
percentage: '95'
});
// Calculate brand metrics
await connection.query(`
INSERT INTO brand_metrics (
brand,
product_count,
active_products,
total_stock_units,
total_stock_cost,
total_stock_retail,
total_revenue,
avg_margin,
growth_rate
)
WITH brand_data AS (
SELECT
p.brand,
COUNT(DISTINCT p.product_id) as product_count,
COUNT(DISTINCT CASE WHEN p.visible = true THEN p.product_id END) as active_products,
SUM(p.stock_quantity) as total_stock_units,
SUM(p.stock_quantity * p.cost_price) as total_stock_cost,
SUM(p.stock_quantity * p.price) as total_stock_retail,
SUM(o.price * o.quantity) as total_revenue,
CASE
WHEN SUM(o.price * o.quantity) > 0 THEN
(SUM((o.price - p.cost_price) * o.quantity) * 100.0) / SUM(o.price * o.quantity)
ELSE 0
END as avg_margin,
-- Current period (last 3 months)
SUM(CASE
WHEN o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 3 MONTH)
THEN COALESCE(o.quantity * o.price, 0)
ELSE 0
END) as current_period_sales,
-- Previous year same period
SUM(CASE
WHEN o.date BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 15 MONTH) AND DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
THEN COALESCE(o.quantity * o.price, 0)
ELSE 0
END) as previous_year_period_sales
FROM products p
LEFT JOIN orders o ON p.product_id = o.product_id AND o.canceled = false
WHERE p.brand IS NOT NULL
GROUP BY p.brand
)
SELECT
brand,
product_count,
active_products,
total_stock_units,
total_stock_cost,
total_stock_retail,
total_revenue,
avg_margin,
CASE
WHEN previous_year_period_sales = 0 AND current_period_sales > 0 THEN 100.0
WHEN previous_year_period_sales = 0 THEN 0.0
ELSE LEAST(
GREATEST(
((current_period_sales - previous_year_period_sales) /
NULLIF(previous_year_period_sales, 0)) * 100.0,
-100.0
),
999.99
)
END as growth_rate
FROM brand_data
ON DUPLICATE KEY UPDATE
product_count = VALUES(product_count),
active_products = VALUES(active_products),
total_stock_units = VALUES(total_stock_units),
total_stock_cost = VALUES(total_stock_cost),
total_stock_retail = VALUES(total_stock_retail),
total_revenue = VALUES(total_revenue),
avg_margin = VALUES(avg_margin),
growth_rate = VALUES(growth_rate),
last_calculated_at = CURRENT_TIMESTAMP
`);
// Calculate brand time-based metrics
await connection.query(`
INSERT INTO brand_time_metrics (
brand,
year,
month,
product_count,
active_products,
total_stock_units,
total_stock_cost,
total_stock_retail,
total_revenue,
avg_margin
)
SELECT
p.brand,
YEAR(o.date) as year,
MONTH(o.date) as month,
COUNT(DISTINCT p.product_id) as product_count,
COUNT(DISTINCT CASE WHEN p.visible = true THEN p.product_id END) as active_products,
SUM(p.stock_quantity) as total_stock_units,
SUM(p.stock_quantity * p.cost_price) as total_stock_cost,
SUM(p.stock_quantity * p.price) as total_stock_retail,
SUM(o.price * o.quantity) as total_revenue,
CASE
WHEN SUM(o.price * o.quantity) > 0 THEN
(SUM((o.price - p.cost_price) * o.quantity) * 100.0) / SUM(o.price * o.quantity)
ELSE 0
END as avg_margin
FROM products p
LEFT JOIN orders o ON p.product_id = o.product_id AND o.canceled = false
WHERE p.brand IS NOT NULL
AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
GROUP BY p.brand, YEAR(o.date), MONTH(o.date)
ON DUPLICATE KEY UPDATE
product_count = VALUES(product_count),
active_products = VALUES(active_products),
total_stock_units = VALUES(total_stock_units),
total_stock_cost = VALUES(total_stock_cost),
total_stock_retail = VALUES(total_stock_retail),
total_revenue = VALUES(total_revenue),
avg_margin = VALUES(avg_margin)
`);
return Math.floor(totalProducts * 0.98);
} finally {
connection.release();
}
}
module.exports = calculateBrandMetrics;

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inventory-server/scripts/metrics/category/category-metrics.js Normal file
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const { outputProgress } = require('../utils/progress');
const { getConnection } = require('../utils/db');
async function calculateCategoryMetrics(startTime, totalProducts, processedCount) {
const connection = await getConnection();
try {
outputProgress({
status: 'running',
operation: 'Calculating category metrics',
current: Math.floor(totalProducts * 0.85),
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, Math.floor(totalProducts * 0.85), totalProducts),
rate: calculateRate(startTime, Math.floor(totalProducts * 0.85)),
percentage: '85'
});
// Calculate category performance metrics
await connection.query(`
INSERT INTO category_metrics (
category_id,
product_count,
active_products,
total_value,
avg_margin,
turnover_rate,
growth_rate,
status
)
WITH category_sales AS (
SELECT
c.id as category_id,
COUNT(DISTINCT p.product_id) as product_count,
COUNT(DISTINCT CASE WHEN p.visible = true THEN p.product_id END) as active_products,
SUM(p.stock_quantity * p.cost_price) as total_value,
CASE
WHEN SUM(o.price * o.quantity) > 0
THEN (SUM((o.price - p.cost_price) * o.quantity) * 100.0) / SUM(o.price * o.quantity)
ELSE 0
END as avg_margin,
CASE
WHEN AVG(GREATEST(p.stock_quantity, 0)) >= 0.01
THEN LEAST(
SUM(CASE
WHEN o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR)
THEN COALESCE(o.quantity, 0)
ELSE 0
END) /
GREATEST(
AVG(GREATEST(p.stock_quantity, 0)),
1.0
),
999.99
)
ELSE 0
END as turnover_rate,
-- Current period (last 3 months)
SUM(CASE
WHEN o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 3 MONTH)
THEN COALESCE(o.quantity * o.price, 0)
ELSE 0
END) as current_period_sales,
-- Previous year same period
SUM(CASE
WHEN o.date BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 15 MONTH) AND DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
THEN COALESCE(o.quantity * o.price, 0)
ELSE 0
END) as previous_year_period_sales,
c.status
FROM categories c
LEFT JOIN product_categories pc ON c.id = pc.category_id
LEFT JOIN products p ON pc.product_id = p.product_id
LEFT JOIN orders o ON p.product_id = o.product_id AND o.canceled = false
GROUP BY c.id, c.status
)
SELECT
category_id,
product_count,
active_products,
total_value,
COALESCE(avg_margin, 0) as avg_margin,
COALESCE(turnover_rate, 0) as turnover_rate,
-- Enhanced YoY growth rate calculation
CASE
WHEN previous_year_period_sales = 0 AND current_period_sales > 0 THEN 100.0
WHEN previous_year_period_sales = 0 THEN 0.0
ELSE LEAST(
GREATEST(
((current_period_sales - previous_year_period_sales) /
NULLIF(previous_year_period_sales, 0)) * 100.0,
-100.0
),
999.99
)
END as growth_rate,
status
FROM category_sales
ON DUPLICATE KEY UPDATE
product_count = VALUES(product_count),
active_products = VALUES(active_products),
total_value = VALUES(total_value),
avg_margin = VALUES(avg_margin),
turnover_rate = VALUES(turnover_rate),
growth_rate = VALUES(growth_rate),
status = VALUES(status),
last_calculated_at = CURRENT_TIMESTAMP
`);
// Calculate category 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
c.id as category_id,
YEAR(o.date) as year,
MONTH(o.date) as month,
COUNT(DISTINCT p.product_id) as product_count,
COUNT(DISTINCT CASE WHEN p.visible = true THEN p.product_id END) as active_products,
SUM(p.stock_quantity * p.cost_price) as total_value,
SUM(o.price * o.quantity) as total_revenue,
CASE
WHEN SUM(o.price * o.quantity) > 0
THEN (SUM((o.price - p.cost_price) * o.quantity) * 100.0) / SUM(o.price * o.quantity)
ELSE 0
END as avg_margin,
CASE
WHEN AVG(p.stock_quantity) > 0
THEN SUM(o.quantity) / AVG(p.stock_quantity)
ELSE 0
END as turnover_rate
FROM categories c
LEFT JOIN product_categories pc ON c.id = pc.category_id
LEFT JOIN products p ON pc.product_id = p.product_id
LEFT JOIN orders o ON p.product_id = o.product_id AND o.canceled = false
WHERE o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
GROUP BY c.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)
`);
// Calculate category sales metrics
await connection.query(`
INSERT INTO category_sales_metrics (
category_id,
brand,
period_start,
period_end,
avg_daily_sales,
total_sold,
num_products,
avg_price,
last_calculated_at
)
WITH date_ranges AS (
SELECT
DATE_SUB(CURDATE(), INTERVAL 30 DAY) as period_start,
CURDATE() as period_end
UNION ALL
SELECT
DATE_SUB(CURDATE(), INTERVAL 90 DAY),
CURDATE()
UNION ALL
SELECT
DATE_SUB(CURDATE(), INTERVAL 180 DAY),
CURDATE()
UNION ALL
SELECT
DATE_SUB(CURDATE(), INTERVAL 365 DAY),
CURDATE()
),
category_metrics AS (
SELECT
c.id as category_id,
p.brand,
dr.period_start,
dr.period_end,
COUNT(DISTINCT p.product_id) as num_products,
COALESCE(SUM(o.quantity), 0) / DATEDIFF(dr.period_end, dr.period_start) as avg_daily_sales,
COALESCE(SUM(o.quantity), 0) as total_sold,
COALESCE(AVG(o.price), 0) as avg_price
FROM categories c
JOIN product_categories pc ON c.id = pc.category_id
JOIN products p ON pc.product_id = p.product_id
CROSS JOIN date_ranges dr
LEFT JOIN orders o ON p.product_id = o.product_id
AND o.date BETWEEN dr.period_start AND dr.period_end
AND o.canceled = false
GROUP BY c.id, p.brand, dr.period_start, dr.period_end
)
SELECT
category_id,
brand,
period_start,
period_end,
avg_daily_sales,
total_sold,
num_products,
avg_price,
NOW() as last_calculated_at
FROM category_metrics
ON DUPLICATE KEY UPDATE
avg_daily_sales = VALUES(avg_daily_sales),
total_sold = VALUES(total_sold),
num_products = VALUES(num_products),
avg_price = VALUES(avg_price),
last_calculated_at = NOW()
`);
return Math.floor(totalProducts * 0.9);
} finally {
connection.release();
}
}
module.exports = calculateCategoryMetrics;

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inventory-server/scripts/metrics/core/product-metrics.js Normal file
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const { outputProgress, logError } = require('../utils/progress');
const { getConnection } = require('../utils/db');
async function calculateProductMetrics(startTime, totalProducts, processedCount = 0) {
const connection = await getConnection();
try {
// Process in batches of 250
const batchSize = 250;
for (let offset = 0; offset < totalProducts; offset += batchSize) {
const [products] = await connection.query('SELECT product_id, vendor FROM products LIMIT ? OFFSET ?', [batchSize, offset])
.catch(err => {
logError(err, `Failed to fetch products batch at offset ${offset}`);
throw err;
});
processedCount += products.length;
// Update progress after each batch
outputProgress({
status: 'running',
operation: 'Processing products',
current: processedCount,
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, processedCount, totalProducts),
rate: calculateRate(startTime, processedCount),
percentage: ((processedCount / totalProducts) * 100).toFixed(1)
});
// Process the batch
const metricsUpdates = [];
for (const product of products) {
try {
// Get configuration values for this product
const [configs] = await connection.query(`
WITH product_info AS (
SELECT
p.product_id,
p.vendor,
pc.category_id
FROM products p
LEFT JOIN product_categories pc ON p.product_id = pc.product_id
WHERE p.product_id = ?
),
threshold_options AS (
SELECT
st.*,
CASE
WHEN st.category_id = pi.category_id AND st.vendor = pi.vendor THEN 1
WHEN st.category_id = pi.category_id AND st.vendor IS NULL THEN 2
WHEN st.category_id IS NULL AND st.vendor = pi.vendor THEN 3
WHEN st.category_id IS NULL AND st.vendor IS NULL THEN 4
ELSE 5
END as priority
FROM product_info pi
CROSS JOIN stock_thresholds st
WHERE (st.category_id = pi.category_id OR st.category_id IS NULL)
AND (st.vendor = pi.vendor OR st.vendor IS NULL)
),
velocity_options AS (
SELECT
sv.*,
CASE
WHEN sv.category_id = pi.category_id AND sv.vendor = pi.vendor THEN 1
WHEN sv.category_id = pi.category_id AND sv.vendor IS NULL THEN 2
WHEN sv.category_id IS NULL AND sv.vendor = pi.vendor THEN 3
WHEN sv.category_id IS NULL AND sv.vendor IS NULL THEN 4
ELSE 5
END as priority
FROM product_info pi
CROSS JOIN sales_velocity_config sv
WHERE (sv.category_id = pi.category_id OR sv.category_id IS NULL)
AND (sv.vendor = pi.vendor OR sv.vendor IS NULL)
),
safety_options AS (
SELECT
ss.*,
CASE
WHEN ss.category_id = pi.category_id AND ss.vendor = pi.vendor THEN 1
WHEN ss.category_id = pi.category_id AND ss.vendor IS NULL THEN 2
WHEN ss.category_id IS NULL AND ss.vendor = pi.vendor THEN 3
WHEN ss.category_id IS NULL AND ss.vendor IS NULL THEN 4
ELSE 5
END as priority
FROM product_info pi
CROSS JOIN safety_stock_config ss
WHERE (ss.category_id = pi.category_id OR ss.category_id IS NULL)
AND (ss.vendor = pi.vendor OR ss.vendor IS NULL)
)
SELECT
COALESCE(
(SELECT critical_days
FROM threshold_options
ORDER BY priority LIMIT 1),
7
) as critical_days,
COALESCE(
(SELECT reorder_days
FROM threshold_options
ORDER BY priority LIMIT 1),
14
) as reorder_days,
COALESCE(
(SELECT overstock_days
FROM threshold_options
ORDER BY priority LIMIT 1),
90
) as overstock_days,
COALESCE(
(SELECT low_stock_threshold
FROM threshold_options
ORDER BY priority LIMIT 1),
5
) as low_stock_threshold,
COALESCE(
(SELECT daily_window_days
FROM velocity_options
ORDER BY priority LIMIT 1),
30
) as daily_window_days,
COALESCE(
(SELECT weekly_window_days
FROM velocity_options
ORDER BY priority LIMIT 1),
7
) as weekly_window_days,
COALESCE(
(SELECT monthly_window_days
FROM velocity_options
ORDER BY priority LIMIT 1),
90
) as monthly_window_days,
COALESCE(
(SELECT coverage_days
FROM safety_options
ORDER BY priority LIMIT 1),
14
) as safety_stock_days,
COALESCE(
(SELECT service_level
FROM safety_options
ORDER BY priority LIMIT 1),
95.0
) as service_level
`, [product.product_id]);
const config = configs[0];
// Calculate sales metrics
const [salesMetrics] = await connection.query(`
WITH sales_summary AS (
SELECT
SUM(o.quantity) as total_quantity_sold,
SUM((o.price - COALESCE(o.discount, 0)) * o.quantity) as total_revenue,
SUM(COALESCE(p.cost_price, 0) * o.quantity) as total_cost,
MAX(o.date) as last_sale_date,
MIN(o.date) as first_sale_date,
COUNT(DISTINCT o.order_number) as number_of_orders,
AVG(o.quantity) as avg_quantity_per_order,
SUM(CASE WHEN o.date >= DATE_SUB(CURDATE(), INTERVAL ? DAY) THEN o.quantity ELSE 0 END) as last_30_days_qty,
CASE
WHEN SUM(CASE WHEN o.date >= DATE_SUB(CURDATE(), INTERVAL ? DAY) THEN o.quantity ELSE 0 END) IS NULL THEN 0
ELSE SUM(CASE WHEN o.date >= DATE_SUB(CURDATE(), INTERVAL ? DAY) THEN o.quantity ELSE 0 END)
END as rolling_weekly_avg,
SUM(CASE WHEN o.date >= DATE_SUB(CURDATE(), INTERVAL ? DAY) THEN o.quantity ELSE 0 END) as last_month_qty
FROM orders o
JOIN products p ON o.product_id = p.product_id
WHERE o.canceled = 0 AND o.product_id = ?
GROUP BY o.product_id
)
SELECT
total_quantity_sold,
total_revenue,
total_cost,
last_sale_date,
first_sale_date,
number_of_orders,
avg_quantity_per_order,
last_30_days_qty / ? as rolling_daily_avg,
rolling_weekly_avg / ? as rolling_weekly_avg,
last_month_qty / ? as rolling_monthly_avg
FROM sales_summary
`, [
config.daily_window_days,
config.weekly_window_days,
config.weekly_window_days,
config.monthly_window_days,
product.product_id,
config.daily_window_days,
config.weekly_window_days,
config.monthly_window_days
]);
// Calculate purchase metrics
const [purchaseMetrics] = await connection.query(`
WITH recent_orders AS (
SELECT
date,
received_date,
received,
cost_price,
DATEDIFF(received_date, date) as lead_time_days,
ROW_NUMBER() OVER (ORDER BY date DESC) as order_rank
FROM purchase_orders
WHERE status = 'closed'
AND product_id = ?
AND received > 0
AND received_date IS NOT NULL
),
lead_time_orders AS (
SELECT *
FROM recent_orders
WHERE order_rank <= 5
OR date >= DATE_SUB(CURDATE(), INTERVAL 90 DAY)
)
SELECT
SUM(CASE WHEN received >= 0 THEN received ELSE 0 END) as total_quantity_purchased,
SUM(CASE WHEN received >= 0 THEN cost_price * received ELSE 0 END) as total_cost,
MAX(date) as last_purchase_date,
MIN(received_date) as first_received_date,
MAX(received_date) as last_received_date,
AVG(lead_time_days) as avg_lead_time_days
FROM lead_time_orders
`, [product.product_id]);
// Get stock info
const [stockInfo] = await connection.query(`
SELECT
p.stock_quantity,
p.cost_price,
p.created_at,
p.replenishable,
p.moq,
DATEDIFF(CURDATE(), MIN(po.received_date)) as days_since_first_stock,
DATEDIFF(CURDATE(), COALESCE(
(SELECT MAX(o2.date)
FROM orders o2
WHERE o2.product_id = p.product_id
AND o2.canceled = false),
CURDATE()
)) as days_since_last_sale,
(SELECT SUM(quantity)
FROM orders o3
WHERE o3.product_id = p.product_id
AND o3.canceled = false) as total_quantity_sold,
CASE
WHEN EXISTS (
SELECT 1 FROM orders o
WHERE o.product_id = p.product_id
AND o.date >= DATE_SUB(CURDATE(), INTERVAL 30 DAY)
AND o.canceled = false
AND (SELECT SUM(quantity) FROM orders o2
WHERE o2.product_id = p.product_id
AND o2.date >= o.date
AND o2.canceled = false) = 0
) THEN true
ELSE false
END as had_recent_stockout
FROM products p
LEFT JOIN purchase_orders po ON p.product_id = po.product_id
AND po.status = 'closed'
AND po.received > 0
WHERE p.product_id = ?
GROUP BY p.product_id
`, [product.product_id]);
// Calculate metrics
const metrics = salesMetrics[0] || {};
const purchases = purchaseMetrics[0] || {};
const stock = stockInfo[0] || {};
const daily_sales_avg = metrics.rolling_daily_avg || 0;
const weekly_sales_avg = metrics.rolling_weekly_avg || 0;
const monthly_sales_avg = metrics.total_quantity_sold ? metrics.total_quantity_sold / 30 : 0;
// Calculate days of inventory
const days_of_inventory = daily_sales_avg > 0 ?
Math.ceil(
(stock.stock_quantity / daily_sales_avg) +
(purchases.avg_lead_time_days || config.reorder_days) *
(1 + (config.service_level / 100))
) : null;
const weeks_of_inventory = days_of_inventory ? Math.ceil(days_of_inventory / 7) : null;
// Calculate margin percent
const margin_percent = metrics.total_revenue > 0 ?
((metrics.total_revenue - metrics.total_cost) / metrics.total_revenue) * 100 :
null;
// Calculate inventory value
const inventory_value = (stock.stock_quantity || 0) * (stock.cost_price || 0);
// Calculate stock status
const stock_status = calculateStockStatus(stock, config, daily_sales_avg, weekly_sales_avg, monthly_sales_avg);
// Calculate reorder quantity and overstocked amount
const { reorder_qty, overstocked_amt } = calculateReorderQuantities(
stock,
stock_status,
daily_sales_avg,
purchases.avg_lead_time_days,
config
);
// Add to batch update
metricsUpdates.push([
product.product_id,
daily_sales_avg || null,
weekly_sales_avg || null,
monthly_sales_avg || null,
metrics.avg_quantity_per_order || null,
metrics.number_of_orders || 0,
metrics.first_sale_date || null,
metrics.last_sale_date || null,
days_of_inventory,
weeks_of_inventory,
daily_sales_avg > 0 ? Math.max(1, Math.ceil(daily_sales_avg * config.reorder_days)) : null,
margin_percent,
metrics.total_revenue || 0,
inventory_value || 0,
purchases.avg_lead_time_days || null,
purchases.last_purchase_date || null,
purchases.first_received_date || null,
purchases.last_received_date || null,
stock_status,
reorder_qty,
overstocked_amt
]);
} catch (err) {
logError(err, `Failed processing product ${product.product_id}`);
continue;
}
}
// Batch update metrics
if (metricsUpdates.length > 0) {
await connection.query(`
INSERT INTO product_metrics (
product_id,
daily_sales_avg,
weekly_sales_avg,
monthly_sales_avg,
avg_quantity_per_order,
number_of_orders,
first_sale_date,
last_sale_date,
days_of_inventory,
weeks_of_inventory,
reorder_point,
avg_margin_percent,
total_revenue,
inventory_value,
avg_lead_time_days,
last_purchase_date,
first_received_date,
last_received_date,
stock_status,
reorder_qty,
overstocked_amt
) VALUES ?
ON DUPLICATE KEY UPDATE
last_calculated_at = NOW(),
daily_sales_avg = VALUES(daily_sales_avg),
weekly_sales_avg = VALUES(weekly_sales_avg),
monthly_sales_avg = VALUES(monthly_sales_avg),
avg_quantity_per_order = VALUES(avg_quantity_per_order),
number_of_orders = VALUES(number_of_orders),
first_sale_date = VALUES(first_sale_date),
last_sale_date = VALUES(last_sale_date),
days_of_inventory = VALUES(days_of_inventory),
weeks_of_inventory = VALUES(weeks_of_inventory),
reorder_point = VALUES(reorder_point),
avg_margin_percent = VALUES(avg_margin_percent),
total_revenue = VALUES(total_revenue),
inventory_value = VALUES(inventory_value),
avg_lead_time_days = VALUES(avg_lead_time_days),
last_purchase_date = VALUES(last_purchase_date),
first_received_date = VALUES(first_received_date),
last_received_date = VALUES(last_received_date),
stock_status = VALUES(stock_status),
reorder_qty = VALUES(reorder_qty),
overstocked_amt = VALUES(overstocked_amt)
`, [metricsUpdates]);
}
}
return processedCount;
} finally {
connection.release();
}
}
function calculateStockStatus(stock, config, daily_sales_avg, weekly_sales_avg, monthly_sales_avg) {
const days_since_first_stock = stock.days_since_first_stock || 0;
const days_since_last_sale = stock.days_since_last_sale || 9999;
const total_quantity_sold = stock.total_quantity_sold || 0;
const had_recent_stockout = stock.had_recent_stockout || false;
const dq = stock.stock_quantity || 0;
const ds = daily_sales_avg || 0;
const ws = weekly_sales_avg || 0;
const ms = monthly_sales_avg || 0;
// If no stock, return immediately
if (dq === 0) {
return had_recent_stockout ? 'Critical' : 'Out of Stock';
}
// 1. Check if truly "New" (≤30 days and no sales)
if (days_since_first_stock <= 30 && total_quantity_sold === 0) {
return 'New';
}
// 2. Handle zero or very low sales velocity cases
if (ds === 0 || (ds < 0.1 && ws < 0.5)) {
if (days_since_first_stock > config.overstock_days) {
return 'Overstocked';
}
if (days_since_first_stock > 30) {
return 'At Risk';
}
}
// 3. Calculate days of supply and check velocity trends
const days_of_supply = ds > 0 ? dq / ds : 999;
const velocity_trend = ds > 0 ? (ds / (ms || ds) - 1) * 100 : 0;
// Critical stock level
if (days_of_supply <= config.critical_days) {
return 'Critical';
}
// Reorder cases
if (days_of_supply <= config.reorder_days ||
(had_recent_stockout && days_of_supply <= config.reorder_days * 1.5)) {
return 'Reorder';
}
// At Risk cases
if (
(days_of_supply >= config.overstock_days * 0.8) ||
(velocity_trend <= -50 && days_of_supply > config.reorder_days * 2) ||
(days_since_last_sale > 45 && dq > 0) ||
(ds > 0 && ds < 0.2 && dq > ds * config.overstock_days * 0.5)
) {
return 'At Risk';
}
// Overstock cases
if (days_of_supply >= config.overstock_days) {
return 'Overstocked';
}
// If none of the above conditions are met
return 'Healthy';
}
function calculateReorderQuantities(stock, stock_status, daily_sales_avg, avg_lead_time, config) {
let reorder_qty = 0;
let overstocked_amt = 0;
// Only calculate reorder quantity for replenishable products
if (stock.replenishable && (stock_status === 'Critical' || stock_status === 'Reorder')) {
const ds = daily_sales_avg || 0;
const lt = avg_lead_time || 14;
const sc = config.safety_stock_days || 14;
const ss = config.safety_stock_days || 14;
const dq = stock.stock_quantity || 0;
const moq = stock.moq || 1;
// Calculate desired stock level
const desired_stock = (ds * (lt + sc)) + ss;
// Calculate raw reorder amount
const raw_reorder = Math.max(0, desired_stock - dq);
// Round up to nearest MOQ
reorder_qty = Math.ceil(raw_reorder / moq) * moq;
}
// Calculate overstocked amount for overstocked products
if (stock_status === 'Overstocked') {
const ds = daily_sales_avg || 0;
const dq = stock.stock_quantity || 0;
const lt = avg_lead_time || 14;
const sc = config.safety_stock_days || 14;
const ss = config.safety_stock_days || 14;
// Calculate maximum desired stock
const max_desired_stock = (ds * config.overstock_days) + ss;
// Calculate excess inventory
overstocked_amt = Math.max(0, dq - max_desired_stock);
}
return { reorder_qty, overstocked_amt };
}
module.exports = calculateProductMetrics;

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const { outputProgress } = require('../utils/progress');
const { getConnection } = require('../utils/db');
async function calculateFinancialMetrics(startTime, totalProducts, processedCount) {
const connection = await getConnection();
try {
outputProgress({
status: 'running',
operation: 'Calculating financial metrics',
current: Math.floor(totalProducts * 0.6),
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, Math.floor(totalProducts * 0.6), totalProducts),
rate: calculateRate(startTime, Math.floor(totalProducts * 0.6)),
percentage: '60'
});
await connection.query(`
UPDATE product_metrics pm
JOIN (
SELECT
p.product_id,
p.cost_price * p.stock_quantity as inventory_value,
SUM(o.quantity * o.price) as total_revenue,
SUM(o.quantity * p.cost_price) as cost_of_goods_sold,
SUM(o.quantity * (o.price - p.cost_price)) as gross_profit,
MIN(o.date) as first_sale_date,
MAX(o.date) as last_sale_date,
DATEDIFF(MAX(o.date), MIN(o.date)) + 1 as calculation_period_days
FROM products p
LEFT JOIN orders o ON p.product_id = o.product_id
WHERE o.canceled = false
AND DATE(o.date) >= DATE_SUB(CURDATE(), INTERVAL 12 MONTH)
GROUP BY p.product_id
) fin ON pm.product_id = fin.product_id
SET
pm.inventory_value = COALESCE(fin.inventory_value, 0),
pm.total_revenue = COALESCE(fin.total_revenue, 0),
pm.cost_of_goods_sold = COALESCE(fin.cost_of_goods_sold, 0),
pm.gross_profit = COALESCE(fin.gross_profit, 0),
pm.gmroi = CASE
WHEN COALESCE(fin.inventory_value, 0) > 0 AND fin.calculation_period_days > 0 THEN
(COALESCE(fin.gross_profit, 0) * (365.0 / fin.calculation_period_days)) / COALESCE(fin.inventory_value, 0)
ELSE 0
END
`);
// Update time-based aggregates with financial metrics
await connection.query(`
UPDATE product_time_aggregates pta
JOIN (
SELECT
p.product_id,
YEAR(o.date) as year,
MONTH(o.date) as month,
p.cost_price * p.stock_quantity as inventory_value,
SUM(o.quantity * (o.price - p.cost_price)) as gross_profit,
COUNT(DISTINCT DATE(o.date)) as days_in_period
FROM products p
LEFT JOIN orders o ON p.product_id = o.product_id
WHERE o.canceled = false
GROUP BY p.product_id, YEAR(o.date), MONTH(o.date)
) fin ON pta.product_id = fin.product_id
AND pta.year = fin.year
AND pta.month = fin.month
SET
pta.inventory_value = COALESCE(fin.inventory_value, 0),
pta.gmroi = CASE
WHEN COALESCE(fin.inventory_value, 0) > 0 AND fin.days_in_period > 0 THEN
(COALESCE(fin.gross_profit, 0) * (365.0 / fin.days_in_period)) / COALESCE(fin.inventory_value, 0)
ELSE 0
END
`);
return Math.floor(totalProducts * 0.7);
} finally {
connection.release();
}
}
module.exports = calculateFinancialMetrics;

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const { outputProgress } = require('../utils/progress');
const { getConnection } = require('../utils/db');
async function calculateSalesForecasts(startTime, totalProducts, processedCount) {
const connection = await getConnection();
try {
outputProgress({
status: 'running',
operation: 'Calculating sales forecasts',
current: Math.floor(totalProducts * 0.98),
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, Math.floor(totalProducts * 0.98), totalProducts),
rate: calculateRate(startTime, Math.floor(totalProducts * 0.98)),
percentage: '98'
});
// Calculate product-level forecasts
await connection.query(`
INSERT INTO sales_forecasts (
product_id,
forecast_date,
forecast_units,
forecast_revenue,
confidence_level,
last_calculated_at
)
WITH daily_sales AS (
SELECT
o.product_id,
DATE(o.date) as sale_date,
SUM(o.quantity) as daily_quantity,
SUM(o.price * o.quantity) as daily_revenue
FROM orders o
WHERE o.canceled = false
AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 90 DAY)
GROUP BY o.product_id, DATE(o.date)
),
forecast_dates AS (
SELECT
DATE_ADD(CURRENT_DATE, INTERVAL n DAY) as forecast_date
FROM (
SELECT 0 as n UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION
SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9 UNION
SELECT 10 UNION SELECT 11 UNION SELECT 12 UNION SELECT 13 UNION SELECT 14 UNION
SELECT 15 UNION SELECT 16 UNION SELECT 17 UNION SELECT 18 UNION SELECT 19 UNION
SELECT 20 UNION SELECT 21 UNION SELECT 22 UNION SELECT 23 UNION SELECT 24 UNION
SELECT 25 UNION SELECT 26 UNION SELECT 27 UNION SELECT 28 UNION SELECT 29 UNION
SELECT 30
) numbers
),
product_stats AS (
SELECT
ds.product_id,
AVG(ds.daily_quantity) as avg_daily_quantity,
STDDEV_SAMP(ds.daily_quantity) as std_daily_quantity,
AVG(ds.daily_revenue) as avg_daily_revenue,
STDDEV_SAMP(ds.daily_revenue) as std_daily_revenue,
COUNT(*) as data_points,
-- Calculate day-of-week averages
AVG(CASE WHEN DAYOFWEEK(ds.sale_date) = 1 THEN ds.daily_revenue END) as sunday_avg,
AVG(CASE WHEN DAYOFWEEK(ds.sale_date) = 2 THEN ds.daily_revenue END) as monday_avg,
AVG(CASE WHEN DAYOFWEEK(ds.sale_date) = 3 THEN ds.daily_revenue END) as tuesday_avg,
AVG(CASE WHEN DAYOFWEEK(ds.sale_date) = 4 THEN ds.daily_revenue END) as wednesday_avg,
AVG(CASE WHEN DAYOFWEEK(ds.sale_date) = 5 THEN ds.daily_revenue END) as thursday_avg,
AVG(CASE WHEN DAYOFWEEK(ds.sale_date) = 6 THEN ds.daily_revenue END) as friday_avg,
AVG(CASE WHEN DAYOFWEEK(ds.sale_date) = 7 THEN ds.daily_revenue END) as saturday_avg
FROM daily_sales ds
GROUP BY ds.product_id
)
SELECT
ps.product_id,
fd.forecast_date,
GREATEST(0,
ps.avg_daily_quantity *
(1 + COALESCE(
(SELECT seasonality_factor
FROM sales_seasonality
WHERE MONTH(fd.forecast_date) = month
LIMIT 1),
0
))
) as forecast_units,
GREATEST(0,
CASE DAYOFWEEK(fd.forecast_date)
WHEN 1 THEN COALESCE(ps.sunday_avg, ps.avg_daily_revenue)
WHEN 2 THEN COALESCE(ps.monday_avg, ps.avg_daily_revenue)
WHEN 3 THEN COALESCE(ps.tuesday_avg, ps.avg_daily_revenue)
WHEN 4 THEN COALESCE(ps.wednesday_avg, ps.avg_daily_revenue)
WHEN 5 THEN COALESCE(ps.thursday_avg, ps.avg_daily_revenue)
WHEN 6 THEN COALESCE(ps.friday_avg, ps.avg_daily_revenue)
WHEN 7 THEN COALESCE(ps.saturday_avg, ps.avg_daily_revenue)
END *
(1 + COALESCE(
(SELECT seasonality_factor
FROM sales_seasonality
WHERE MONTH(fd.forecast_date) = month
LIMIT 1),
0
)) *
-- Add some randomness within a small range (±5%)
(0.95 + (RAND() * 0.1))
) as forecast_revenue,
CASE
WHEN ps.data_points >= 60 THEN 90
WHEN ps.data_points >= 30 THEN 80
WHEN ps.data_points >= 14 THEN 70
ELSE 60
END as confidence_level,
NOW() as last_calculated_at
FROM product_stats ps
CROSS JOIN forecast_dates fd
WHERE ps.avg_daily_quantity > 0
ON DUPLICATE KEY UPDATE
forecast_units = VALUES(forecast_units),
forecast_revenue = VALUES(forecast_revenue),
confidence_level = VALUES(confidence_level),
last_calculated_at = NOW()
`);
// Calculate category-level forecasts
await connection.query(`
INSERT INTO category_forecasts (
category_id,
forecast_date,
forecast_units,
forecast_revenue,
confidence_level,
last_calculated_at
)
WITH category_daily_sales AS (
SELECT
pc.category_id,
DATE(o.date) as sale_date,
SUM(o.quantity) as daily_quantity,
SUM(o.price * o.quantity) as daily_revenue
FROM orders o
JOIN product_categories pc ON o.product_id = pc.product_id
WHERE o.canceled = false
AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 90 DAY)
GROUP BY pc.category_id, DATE(o.date)
),
forecast_dates AS (
SELECT
DATE_ADD(CURRENT_DATE, INTERVAL n DAY) as forecast_date
FROM (
SELECT 0 as n UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION
SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9 UNION
SELECT 10 UNION SELECT 11 UNION SELECT 12 UNION SELECT 13 UNION SELECT 14 UNION
SELECT 15 UNION SELECT 16 UNION SELECT 17 UNION SELECT 18 UNION SELECT 19 UNION
SELECT 20 UNION SELECT 21 UNION SELECT 22 UNION SELECT 23 UNION SELECT 24 UNION
SELECT 25 UNION SELECT 26 UNION SELECT 27 UNION SELECT 28 UNION SELECT 29 UNION
SELECT 30
) numbers
),
category_stats AS (
SELECT
cds.category_id,
AVG(cds.daily_quantity) as avg_daily_quantity,
STDDEV_SAMP(cds.daily_quantity) as std_daily_quantity,
AVG(cds.daily_revenue) as avg_daily_revenue,
STDDEV_SAMP(cds.daily_revenue) as std_daily_revenue,
COUNT(*) as data_points,
-- Calculate day-of-week averages
AVG(CASE WHEN DAYOFWEEK(cds.sale_date) = 1 THEN cds.daily_revenue END) as sunday_avg,
AVG(CASE WHEN DAYOFWEEK(cds.sale_date) = 2 THEN cds.daily_revenue END) as monday_avg,
AVG(CASE WHEN DAYOFWEEK(cds.sale_date) = 3 THEN cds.daily_revenue END) as tuesday_avg,
AVG(CASE WHEN DAYOFWEEK(cds.sale_date) = 4 THEN cds.daily_revenue END) as wednesday_avg,
AVG(CASE WHEN DAYOFWEEK(cds.sale_date) = 5 THEN cds.daily_revenue END) as thursday_avg,
AVG(CASE WHEN DAYOFWEEK(cds.sale_date) = 6 THEN cds.daily_revenue END) as friday_avg,
AVG(CASE WHEN DAYOFWEEK(cds.sale_date) = 7 THEN cds.daily_revenue END) as saturday_avg
FROM category_daily_sales cds
GROUP BY cds.category_id
)
SELECT
cs.category_id,
fd.forecast_date,
GREATEST(0,
cs.avg_daily_quantity *
(1 + COALESCE(
(SELECT seasonality_factor
FROM sales_seasonality
WHERE MONTH(fd.forecast_date) = month
LIMIT 1),
0
))
) as forecast_units,
GREATEST(0,
CASE DAYOFWEEK(fd.forecast_date)
WHEN 1 THEN COALESCE(cs.sunday_avg, cs.avg_daily_revenue)
WHEN 2 THEN COALESCE(cs.monday_avg, cs.avg_daily_revenue)
WHEN 3 THEN COALESCE(cs.tuesday_avg, cs.avg_daily_revenue)
WHEN 4 THEN COALESCE(cs.wednesday_avg, cs.avg_daily_revenue)
WHEN 5 THEN COALESCE(cs.thursday_avg, cs.avg_daily_revenue)
WHEN 6 THEN COALESCE(cs.friday_avg, cs.avg_daily_revenue)
WHEN 7 THEN COALESCE(cs.saturday_avg, cs.avg_daily_revenue)
END *
(1 + COALESCE(
(SELECT seasonality_factor
FROM sales_seasonality
WHERE MONTH(fd.forecast_date) = month
LIMIT 1),
0
)) *
-- Add some randomness within a small range (±5%)
(0.95 + (RAND() * 0.1))
) as forecast_revenue,
CASE
WHEN cs.data_points >= 60 THEN 90
WHEN cs.data_points >= 30 THEN 80
WHEN cs.data_points >= 14 THEN 70
ELSE 60
END as confidence_level,
NOW() as last_calculated_at
FROM category_stats cs
CROSS JOIN forecast_dates fd
WHERE cs.avg_daily_quantity > 0
ON DUPLICATE KEY UPDATE
forecast_units = VALUES(forecast_units),
forecast_revenue = VALUES(forecast_revenue),
confidence_level = VALUES(confidence_level),
last_calculated_at = NOW()
`);
return Math.floor(totalProducts * 1.0);
} finally {
connection.release();
}
}
module.exports = calculateSalesForecasts;

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const mysql = require('mysql2/promise');
const path = require('path');
require('dotenv').config({ path: path.resolve(__dirname, '../../..', '.env') });
// Database configuration
const dbConfig = {
host: process.env.DB_HOST,
user: process.env.DB_USER,
password: process.env.DB_PASSWORD,
database: process.env.DB_NAME,
waitForConnections: true,
connectionLimit: 10,
queueLimit: 0,
// Add performance optimizations
namedPlaceholders: true,
maxPreparedStatements: 256,
enableKeepAlive: true,
keepAliveInitialDelay: 0,
// Add memory optimizations
flags: [
'FOUND_ROWS',
'LONG_PASSWORD',
'PROTOCOL_41',
'TRANSACTIONS',
'SECURE_CONNECTION',
'MULTI_RESULTS',
'PS_MULTI_RESULTS',
'PLUGIN_AUTH',
'CONNECT_ATTRS',
'PLUGIN_AUTH_LENENC_CLIENT_DATA',
'SESSION_TRACK',
'MULTI_STATEMENTS'
]
};
// Create a single pool instance to be reused
const pool = mysql.createPool(dbConfig);
async function getConnection() {
return await pool.getConnection();
}
async function closePool() {
await pool.end();
}
module.exports = {
dbConfig,
getConnection,
closePool
};

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const fs = require('fs');
const path = require('path');
// Helper function to format elapsed time
function formatElapsedTime(startTime) {
const elapsed = Date.now() - startTime;
const seconds = Math.floor(elapsed / 1000);
const minutes = Math.floor(seconds / 60);
const hours = Math.floor(minutes / 60);
if (hours > 0) {
return `${hours}h ${minutes % 60}m`;
} else if (minutes > 0) {
return `${minutes}m ${seconds % 60}s`;
} else {
return `${seconds}s`;
}
}
// Helper function to estimate remaining time
function estimateRemaining(startTime, current, total) {
if (current === 0) return null;
const elapsed = Date.now() - startTime;
const rate = current / elapsed;
const remaining = (total - current) / rate;
const minutes = Math.floor(remaining / 60000);
const seconds = Math.floor((remaining % 60000) / 1000);
if (minutes > 0) {
return `${minutes}m ${seconds}s`;
} else {
return `${seconds}s`;
}
}
// Helper function to calculate rate
function calculateRate(startTime, current) {
const elapsed = (Date.now() - startTime) / 1000; // Convert to seconds
return elapsed > 0 ? Math.round(current / elapsed) : 0;
}
// Set up logging
const LOG_DIR = path.join(__dirname, '../../../logs');
const ERROR_LOG = path.join(LOG_DIR, 'import-errors.log');
const IMPORT_LOG = path.join(LOG_DIR, 'import.log');
const STATUS_FILE = path.join(LOG_DIR, 'metrics-status.json');
// Ensure log directory exists
if (!fs.existsSync(LOG_DIR)) {
fs.mkdirSync(LOG_DIR, { recursive: true });
}
// Helper function to log errors
function logError(error, context = '') {
const timestamp = new Date().toISOString();
const errorMessage = `[${timestamp}] ${context}\nError: ${error.message}\nStack: ${error.stack}\n\n`;
// Log to error file
fs.appendFileSync(ERROR_LOG, errorMessage);
// Also log to console
console.error(`\n${context}\nError: ${error.message}`);
}
// Helper function to log import progress
function logImport(message) {
const timestamp = new Date().toISOString();
const logMessage = `[${timestamp}] ${message}\n`;
fs.appendFileSync(IMPORT_LOG, logMessage);
}
// Helper function to output progress
function outputProgress(data) {
// Save progress to file for resumption
saveProgress(data);
// Format as SSE event
const event = {
progress: data
};
// Always send to stdout for frontend
process.stdout.write(JSON.stringify(event) + '\n');
// Log significant events to disk
const isSignificant =
// Operation starts
(data.operation && !data.current) ||
// Operation completions and errors
data.status === 'complete' ||
data.status === 'error' ||
// Major phase changes
data.operation?.includes('Starting ABC classification') ||
data.operation?.includes('Starting time-based aggregates') ||
data.operation?.includes('Starting vendor metrics');
if (isSignificant) {
logImport(`${data.operation || 'Operation'}${data.message ? ': ' + data.message : ''}${data.error ? ' Error: ' + data.error : ''}${data.status ? ' Status: ' + data.status : ''}`);
}
}
function saveProgress(progress) {
try {
fs.writeFileSync(STATUS_FILE, JSON.stringify({
...progress,
timestamp: Date.now()
}));
} catch (err) {
console.error('Failed to save progress:', err);
}
}
function clearProgress() {
try {
if (fs.existsSync(STATUS_FILE)) {
fs.unlinkSync(STATUS_FILE);
}
} catch (err) {
console.error('Failed to clear progress:', err);
}
}
function getProgress() {
try {
if (fs.existsSync(STATUS_FILE)) {
const progress = JSON.parse(fs.readFileSync(STATUS_FILE, 'utf8'));
// Check if the progress is still valid (less than 1 hour old)
if (progress.timestamp && Date.now() - progress.timestamp < 3600000) {
return progress;
} else {
// Clear old progress
clearProgress();
}
}
} catch (err) {
console.error('Failed to read progress:', err);
clearProgress();
}
return null;
}
module.exports = {
formatElapsedTime,
estimateRemaining,
calculateRate,
logError,
logImport,
outputProgress,
saveProgress,
clearProgress,
getProgress
};

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const { getConnection } = require('./db');
async function calculateTimeAggregates(startTime, totalProducts, processedCount) {
const connection = await getConnection();
try {
// Initial insert of time-based aggregates
await connection.query(`
INSERT INTO product_time_aggregates (
product_id,
year,
month,
total_quantity_sold,
total_revenue,
total_cost,
order_count,
stock_received,
stock_ordered,
avg_price,
profit_margin
)
WITH sales_data AS (
SELECT
o.product_id,
YEAR(o.date) as year,
MONTH(o.date) as month,
SUM(o.quantity) as total_quantity_sold,
SUM((o.price - COALESCE(o.discount, 0)) * o.quantity) as total_revenue,
SUM(COALESCE(p.cost_price, 0) * o.quantity) as total_cost,
COUNT(DISTINCT o.order_number) as order_count,
AVG(o.price - COALESCE(o.discount, 0)) as avg_price,
CASE
WHEN SUM((o.price - COALESCE(o.discount, 0)) * o.quantity) = 0 THEN 0
ELSE ((SUM((o.price - COALESCE(o.discount, 0)) * o.quantity) -
SUM(COALESCE(p.cost_price, 0) * o.quantity)) /
SUM((o.price - COALESCE(o.discount, 0)) * o.quantity)) * 100
END as profit_margin
FROM orders o
JOIN products p ON o.product_id = p.product_id
WHERE o.canceled = 0
GROUP BY o.product_id, YEAR(o.date), MONTH(o.date)
),
purchase_data AS (
SELECT
product_id,
YEAR(date) as year,
MONTH(date) as month,
SUM(received) as stock_received,
SUM(ordered) as stock_ordered
FROM purchase_orders
WHERE status = 'closed'
GROUP BY product_id, YEAR(date), MONTH(date)
)
SELECT
s.product_id,
s.year,
s.month,
s.total_quantity_sold,
s.total_revenue,
s.total_cost,
s.order_count,
COALESCE(p.stock_received, 0) as stock_received,
COALESCE(p.stock_ordered, 0) as stock_ordered,
s.avg_price,
s.profit_margin
FROM sales_data s
LEFT JOIN purchase_data p
ON s.product_id = p.product_id
AND s.year = p.year
AND s.month = p.month
UNION
SELECT
p.product_id,
p.year,
p.month,
0 as total_quantity_sold,
0 as total_revenue,
0 as total_cost,
0 as order_count,
p.stock_received,
p.stock_ordered,
0 as avg_price,
0 as profit_margin
FROM purchase_data p
LEFT JOIN sales_data s
ON p.product_id = s.product_id
AND p.year = s.year
AND p.month = s.month
WHERE s.product_id IS NULL
ON DUPLICATE KEY UPDATE
total_quantity_sold = VALUES(total_quantity_sold),
total_revenue = VALUES(total_revenue),
total_cost = VALUES(total_cost),
order_count = VALUES(order_count),
stock_received = VALUES(stock_received),
stock_ordered = VALUES(stock_ordered),
avg_price = VALUES(avg_price),
profit_margin = VALUES(profit_margin)
`);
// Update with financial metrics
await connection.query(`
UPDATE product_time_aggregates pta
JOIN (
SELECT
p.product_id,
YEAR(o.date) as year,
MONTH(o.date) as month,
p.cost_price * p.stock_quantity as inventory_value,
SUM(o.quantity * (o.price - p.cost_price)) as gross_profit,
COUNT(DISTINCT DATE(o.date)) as days_in_period
FROM products p
LEFT JOIN orders o ON p.product_id = o.product_id
WHERE o.canceled = false
GROUP BY p.product_id, YEAR(o.date), MONTH(o.date)
) fin ON pta.product_id = fin.product_id
AND pta.year = fin.year
AND pta.month = fin.month
SET
pta.inventory_value = COALESCE(fin.inventory_value, 0),
pta.gmroi = CASE
WHEN COALESCE(fin.inventory_value, 0) > 0 AND fin.days_in_period > 0 THEN
(COALESCE(fin.gross_profit, 0) * (365.0 / fin.days_in_period)) / COALESCE(fin.inventory_value, 0)
ELSE 0
END
`);
return Math.floor(totalProducts * 0.65);
} finally {
connection.release();
}
}
module.exports = calculateTimeAggregates;

174
inventory-server/scripts/metrics/vendor/vendor-metrics.js vendored Normal file
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const { outputProgress } = require('../utils/progress');
const { getConnection } = require('../utils/db');
async function calculateVendorMetrics(startTime, totalProducts, processedCount) {
const connection = await getConnection();
try {
outputProgress({
status: 'running',
operation: 'Calculating vendor metrics',
current: Math.floor(totalProducts * 0.7),
total: totalProducts,
elapsed: formatElapsedTime(startTime),
remaining: estimateRemaining(startTime, Math.floor(totalProducts * 0.7), totalProducts),
rate: calculateRate(startTime, Math.floor(totalProducts * 0.7)),
percentage: '70'
});
// First, ensure all vendors exist in vendor_details
await connection.query(`
INSERT IGNORE INTO vendor_details (vendor, status)
SELECT DISTINCT vendor, 'active' as status
FROM products
WHERE vendor IS NOT NULL
AND vendor NOT IN (SELECT vendor FROM vendor_details)
`);
// Calculate vendor performance metrics
await connection.query(`
INSERT INTO vendor_metrics (
vendor,
avg_lead_time_days,
on_time_delivery_rate,
order_fill_rate,
total_orders,
total_late_orders,
total_purchase_value,
avg_order_value,
active_products,
total_products,
total_revenue,
avg_margin_percent,
status
)
WITH vendor_orders AS (
SELECT
po.vendor,
AVG(DATEDIFF(po.received_date, po.date)) as avg_lead_time_days,
COUNT(*) as total_orders,
COUNT(CASE WHEN po.received_date > po.expected_date THEN 1 END) as total_late_orders,
SUM(po.cost_price * po.ordered) as total_purchase_value,
AVG(po.cost_price * po.ordered) as avg_order_value,
CASE
WHEN COUNT(*) > 0 THEN
(COUNT(CASE WHEN po.received = po.ordered THEN 1 END) * 100.0) / COUNT(*)
ELSE 0
END as order_fill_rate
FROM purchase_orders po
WHERE po.status = 'closed'
GROUP BY po.vendor
),
vendor_products AS (
SELECT
p.vendor,
COUNT(DISTINCT p.product_id) as total_products,
COUNT(DISTINCT CASE WHEN p.visible = true THEN p.product_id END) as active_products,
SUM(o.price * o.quantity) as total_revenue,
CASE
WHEN SUM(o.price * o.quantity) > 0 THEN
(SUM((o.price - p.cost_price) * o.quantity) * 100.0) / SUM(o.price * o.quantity)
ELSE 0
END as avg_margin_percent
FROM products p
LEFT JOIN orders o ON p.product_id = o.product_id AND o.canceled = false
GROUP BY p.vendor
)
SELECT
vd.vendor,
COALESCE(vo.avg_lead_time_days, 0) as avg_lead_time_days,
CASE
WHEN COALESCE(vo.total_orders, 0) > 0 THEN
((COALESCE(vo.total_orders, 0) - COALESCE(vo.total_late_orders, 0)) * 100.0) / COALESCE(vo.total_orders, 1)
ELSE 0
END as on_time_delivery_rate,
COALESCE(vo.order_fill_rate, 0) as order_fill_rate,
COALESCE(vo.total_orders, 0) as total_orders,
COALESCE(vo.total_late_orders, 0) as total_late_orders,
COALESCE(vo.total_purchase_value, 0) as total_purchase_value,
COALESCE(vo.avg_order_value, 0) as avg_order_value,
COALESCE(vp.active_products, 0) as active_products,
COALESCE(vp.total_products, 0) as total_products,
COALESCE(vp.total_revenue, 0) as total_revenue,
COALESCE(vp.avg_margin_percent, 0) as avg_margin_percent,
vd.status
FROM vendor_details vd
LEFT JOIN vendor_orders vo ON vd.vendor = vo.vendor
LEFT JOIN vendor_products vp ON vd.vendor = vp.vendor
ON DUPLICATE KEY UPDATE
avg_lead_time_days = VALUES(avg_lead_time_days),
on_time_delivery_rate = VALUES(on_time_delivery_rate),
order_fill_rate = VALUES(order_fill_rate),
total_orders = VALUES(total_orders),
total_late_orders = VALUES(total_late_orders),
total_purchase_value = VALUES(total_purchase_value),
avg_order_value = VALUES(avg_order_value),
active_products = VALUES(active_products),
total_products = VALUES(total_products),
total_revenue = VALUES(total_revenue),
avg_margin_percent = VALUES(avg_margin_percent),
status = VALUES(status),
last_calculated_at = CURRENT_TIMESTAMP
`);
// Calculate vendor time-based metrics
await connection.query(`
INSERT INTO vendor_time_metrics (
vendor,
year,
month,
total_orders,
late_orders,
avg_lead_time_days,
total_purchase_value,
total_revenue,
avg_margin_percent
)
WITH vendor_time_data AS (
SELECT
vd.vendor,
YEAR(po.date) as year,
MONTH(po.date) as month,
COUNT(DISTINCT po.po_id) as total_orders,
COUNT(DISTINCT CASE WHEN po.received_date > po.expected_date THEN po.po_id END) as late_orders,
AVG(DATEDIFF(po.received_date, po.date)) as avg_lead_time_days,
SUM(po.cost_price * po.ordered) as total_purchase_value,
SUM(o.price * o.quantity) as total_revenue,
CASE
WHEN SUM(o.price * o.quantity) > 0 THEN
(SUM((o.price - p.cost_price) * o.quantity) * 100.0) / SUM(o.price * o.quantity)
ELSE 0
END as avg_margin_percent
FROM vendor_details vd
LEFT JOIN products p ON vd.vendor = p.vendor
LEFT JOIN purchase_orders po ON p.product_id = po.product_id
LEFT JOIN orders o ON p.product_id = o.product_id AND o.canceled = false
WHERE po.date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
GROUP BY vd.vendor, YEAR(po.date), MONTH(po.date)
)
SELECT
vendor,
year,
month,
COALESCE(total_orders, 0) as total_orders,
COALESCE(late_orders, 0) as late_orders,
COALESCE(avg_lead_time_days, 0) as avg_lead_time_days,
COALESCE(total_purchase_value, 0) as total_purchase_value,
COALESCE(total_revenue, 0) as total_revenue,
COALESCE(avg_margin_percent, 0) as avg_margin_percent
FROM vendor_time_data
ON DUPLICATE KEY UPDATE
total_orders = VALUES(total_orders),
late_orders = VALUES(late_orders),
avg_lead_time_days = VALUES(avg_lead_time_days),
total_purchase_value = VALUES(total_purchase_value),
total_revenue = VALUES(total_revenue),
avg_margin_percent = VALUES(avg_margin_percent)
`);
return Math.floor(totalProducts * 0.75);
} finally {
connection.release();
}
}
module.exports = calculateVendorMetrics;