Clean up, fix file path issues with import scripts, adjust data management page for new metrics calcs

inventory-server/db/config-schema-new.sql

@@ -110,4 +110,54 @@ SELECT
 FROM
     public.products p
 
-ON CONFLICT (pid) DO NOTHING; -- IMPORTANT: Do not overwrite existing product-specific settings
+ON CONFLICT (pid) DO NOTHING; -- IMPORTANT: Do not overwrite existing product-specific settings
+
+
+-- History and status tables
+CREATE TABLE IF NOT EXISTS calculate_history (
+    id BIGSERIAL PRIMARY KEY,
+    start_time TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    end_time TIMESTAMP WITH TIME ZONE NULL,
+    duration_seconds INTEGER,
+    duration_minutes DECIMAL(10,2) GENERATED ALWAYS AS (duration_seconds::decimal / 60.0) STORED,
+    total_products INTEGER DEFAULT 0,
+    total_orders INTEGER DEFAULT 0,
+    total_purchase_orders INTEGER DEFAULT 0,
+    processed_products INTEGER DEFAULT 0,
+    processed_orders INTEGER DEFAULT 0,
+    processed_purchase_orders INTEGER DEFAULT 0,
+    status calculation_status DEFAULT 'running',
+    error_message TEXT,
+    additional_info JSONB
+);
+
+CREATE TABLE IF NOT EXISTS calculate_status (
+    module_name module_name PRIMARY KEY,
+    last_calculation_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS sync_status (
+    table_name TEXT PRIMARY KEY,
+    last_sync_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    last_sync_id BIGINT
+);
+
+CREATE TABLE IF NOT EXISTS import_history (
+    id BIGSERIAL PRIMARY KEY,
+    table_name VARCHAR(50) NOT NULL,
+    start_time TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    end_time TIMESTAMP WITH TIME ZONE NULL,
+    duration_seconds INTEGER,
+    duration_minutes DECIMAL(10,2) GENERATED ALWAYS AS (duration_seconds::decimal / 60.0) STORED,
+    records_added INTEGER DEFAULT 0,
+    records_updated INTEGER DEFAULT 0,
+    is_incremental BOOLEAN DEFAULT FALSE,
+    status calculation_status DEFAULT 'running',
+    error_message TEXT,
+    additional_info JSONB
+);
+
+-- Create all indexes after tables are fully created
+CREATE INDEX IF NOT EXISTS idx_last_calc ON calculate_status(last_calculation_timestamp);
+CREATE INDEX IF NOT EXISTS idx_last_sync ON sync_status(last_sync_timestamp);
+CREATE INDEX IF NOT EXISTS idx_table_time ON import_history(table_name, start_time); 

inventory-server/db/config-schema.sql

@@ -1,307 +0,0 @@
--- -- Configuration tables schema
-
--- -- Create function for updating timestamps if it doesn't exist
--- CREATE OR REPLACE FUNCTION update_updated_column()
--- RETURNS TRIGGER AS $$
--- BEGIN
---     NEW.updated = CURRENT_TIMESTAMP;
---     RETURN NEW;
--- END;
--- $$ language 'plpgsql';
-
--- -- Create function for updating updated_at timestamps
--- CREATE OR REPLACE FUNCTION update_updated_at_column()
--- RETURNS TRIGGER AS $$
--- BEGIN
---     NEW.updated_at = CURRENT_TIMESTAMP;
---     RETURN NEW;
--- END;
--- $$ language 'plpgsql';
-
--- -- Stock threshold configurations
--- CREATE TABLE stock_thresholds (
---     id INTEGER NOT NULL,
---     category_id BIGINT,  -- NULL means default/global threshold
---     vendor VARCHAR(100), -- NULL means applies to all vendors
---     critical_days INTEGER NOT NULL DEFAULT 7,
---     reorder_days INTEGER NOT NULL DEFAULT 14,
---     overstock_days INTEGER NOT NULL DEFAULT 90,
---     low_stock_threshold INTEGER NOT NULL DEFAULT 5,
---     min_reorder_quantity INTEGER NOT NULL DEFAULT 1,
---     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     PRIMARY KEY (id),
---     FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE,
---     UNIQUE (category_id, vendor)
--- );
-
--- CREATE TRIGGER update_stock_thresholds_updated
---     BEFORE UPDATE ON stock_thresholds
---     FOR EACH ROW
---     EXECUTE FUNCTION update_updated_at_column();
-
--- CREATE INDEX idx_st_metrics ON stock_thresholds(category_id, vendor);
-
--- -- Lead time threshold configurations
--- CREATE TABLE lead_time_thresholds (
---     id INTEGER NOT NULL,
---     category_id BIGINT,  -- NULL means default/global threshold
---     vendor VARCHAR(100), -- NULL means applies to all vendors
---     target_days INTEGER NOT NULL DEFAULT 14,
---     warning_days INTEGER NOT NULL DEFAULT 21,
---     critical_days INTEGER NOT NULL DEFAULT 30,
---     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     PRIMARY KEY (id),
---     FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE,
---     UNIQUE (category_id, vendor)
--- );
-
--- CREATE TRIGGER update_lead_time_thresholds_updated
---     BEFORE UPDATE ON lead_time_thresholds
---     FOR EACH ROW
---     EXECUTE FUNCTION update_updated_at_column();
-
--- -- Sales velocity window configurations
--- CREATE TABLE sales_velocity_config (
---     id INTEGER NOT NULL,
---     category_id BIGINT,  -- NULL means default/global threshold
---     vendor VARCHAR(100), -- NULL means applies to all vendors
---     daily_window_days INTEGER NOT NULL DEFAULT 30,
---     weekly_window_days INTEGER NOT NULL DEFAULT 7,
---     monthly_window_days INTEGER NOT NULL DEFAULT 90,
---     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     PRIMARY KEY (id),
---     FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE,
---     UNIQUE (category_id, vendor)
--- );
-
--- CREATE TRIGGER update_sales_velocity_config_updated
---     BEFORE UPDATE ON sales_velocity_config
---     FOR EACH ROW
---     EXECUTE FUNCTION update_updated_at_column();
-
--- CREATE INDEX idx_sv_metrics ON sales_velocity_config(category_id, vendor);
-
--- -- ABC Classification configurations
--- CREATE TABLE abc_classification_config (
---     id INTEGER NOT NULL PRIMARY KEY,
---     a_threshold DECIMAL(5,2) NOT NULL DEFAULT 20.0,
---     b_threshold DECIMAL(5,2) NOT NULL DEFAULT 50.0,
---     classification_period_days INTEGER NOT NULL DEFAULT 90,
---     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
--- );
-
--- CREATE TRIGGER update_abc_classification_config_updated
---     BEFORE UPDATE ON abc_classification_config
---     FOR EACH ROW
---     EXECUTE FUNCTION update_updated_at_column();
-
--- -- Safety stock configurations
--- CREATE TABLE safety_stock_config (
---     id INTEGER NOT NULL,
---     category_id BIGINT,  -- NULL means default/global threshold
---     vendor VARCHAR(100), -- NULL means applies to all vendors
---     coverage_days INTEGER NOT NULL DEFAULT 14,
---     service_level DECIMAL(5,2) NOT NULL DEFAULT 95.0,
---     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     PRIMARY KEY (id),
---     FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE,
---     UNIQUE (category_id, vendor)
--- );
-
--- CREATE TRIGGER update_safety_stock_config_updated
---     BEFORE UPDATE ON safety_stock_config
---     FOR EACH ROW
---     EXECUTE FUNCTION update_updated_at_column();
-
--- CREATE INDEX idx_ss_metrics ON safety_stock_config(category_id, vendor);
-
--- -- Turnover rate configurations
--- CREATE TABLE turnover_config (
---     id INTEGER NOT NULL,
---     category_id BIGINT,  -- NULL means default/global threshold
---     vendor VARCHAR(100), -- NULL means applies to all vendors
---     calculation_period_days INTEGER NOT NULL DEFAULT 30,
---     target_rate DECIMAL(10,2) NOT NULL DEFAULT 1.0,
---     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     PRIMARY KEY (id),
---     FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE,
---     UNIQUE (category_id, vendor)
--- );
-
--- CREATE TRIGGER update_turnover_config_updated
---     BEFORE UPDATE ON turnover_config
---     FOR EACH ROW
---     EXECUTE FUNCTION update_updated_at_column();
-
--- -- Create table for sales seasonality factors
--- CREATE TABLE sales_seasonality (
---     month INTEGER NOT NULL,
---     seasonality_factor DECIMAL(5,3) DEFAULT 0,
---     last_updated TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
---     PRIMARY KEY (month),
---     CONSTRAINT month_range CHECK (month BETWEEN 1 AND 12),
---     CONSTRAINT seasonality_range CHECK (seasonality_factor BETWEEN -1.0 AND 1.0)
--- );
-
--- CREATE TRIGGER update_sales_seasonality_updated
---     BEFORE UPDATE ON sales_seasonality
---     FOR EACH ROW
---     EXECUTE FUNCTION update_updated_at_column();
-
--- -- Create table for financial calculation parameters
--- CREATE TABLE financial_calc_config (
---     id INTEGER NOT NULL PRIMARY KEY,
---     order_cost DECIMAL(10,2) NOT NULL DEFAULT 25.00, -- The fixed cost per purchase order (used in EOQ)
---     holding_rate DECIMAL(10,4) NOT NULL DEFAULT 0.25, -- The annual inventory holding cost as a percentage of unit cost (used in EOQ)
---     service_level_z_score DECIMAL(10,4) NOT NULL DEFAULT 1.96, -- Z-score for ~95% service level (used in Safety Stock)
---     min_reorder_qty INTEGER NOT NULL DEFAULT 1, -- Minimum reorder quantity 
---     default_reorder_qty INTEGER NOT NULL DEFAULT 5, -- Default reorder quantity when sales data is insufficient
---     default_safety_stock INTEGER NOT NULL DEFAULT 5, -- Default safety stock when sales data is insufficient
---     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
---     updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
--- );
-
--- CREATE TRIGGER update_financial_calc_config_updated
---     BEFORE UPDATE ON financial_calc_config
---     FOR EACH ROW
---     EXECUTE FUNCTION update_updated_at_column();
-
--- -- Insert default global thresholds
--- INSERT INTO stock_thresholds (id, category_id, vendor, critical_days, reorder_days, overstock_days)
--- VALUES (1, NULL, NULL, 7, 14, 90)
--- ON CONFLICT (id) DO UPDATE SET
---     critical_days = EXCLUDED.critical_days,
---     reorder_days = EXCLUDED.reorder_days,
---     overstock_days = EXCLUDED.overstock_days;
-
--- INSERT INTO lead_time_thresholds (id, category_id, vendor, target_days, warning_days, critical_days)
--- VALUES (1, NULL, NULL, 14, 21, 30)
--- ON CONFLICT (id) DO UPDATE SET
---     target_days = EXCLUDED.target_days,
---     warning_days = EXCLUDED.warning_days,
---     critical_days = EXCLUDED.critical_days;
-
--- INSERT INTO sales_velocity_config (id, category_id, vendor, daily_window_days, weekly_window_days, monthly_window_days)
--- VALUES (1, NULL, NULL, 30, 7, 90)
--- ON CONFLICT (id) DO UPDATE SET
---     daily_window_days = EXCLUDED.daily_window_days,
---     weekly_window_days = EXCLUDED.weekly_window_days,
---     monthly_window_days = EXCLUDED.monthly_window_days;
-
--- INSERT INTO abc_classification_config (id, a_threshold, b_threshold, classification_period_days)
--- VALUES (1, 20.0, 50.0, 90)
--- ON CONFLICT (id) DO UPDATE SET
---     a_threshold = EXCLUDED.a_threshold,
---     b_threshold = EXCLUDED.b_threshold,
---     classification_period_days = EXCLUDED.classification_period_days;
-
--- INSERT INTO safety_stock_config (id, category_id, vendor, coverage_days, service_level)
--- VALUES (1, NULL, NULL, 14, 95.0)
--- ON CONFLICT (id) DO UPDATE SET
---     coverage_days = EXCLUDED.coverage_days,
---     service_level = EXCLUDED.service_level;
-
--- INSERT INTO turnover_config (id, category_id, vendor, calculation_period_days, target_rate)
--- VALUES (1, NULL, NULL, 30, 1.0)
--- ON CONFLICT (id) DO UPDATE SET
---     calculation_period_days = EXCLUDED.calculation_period_days,
---     target_rate = EXCLUDED.target_rate;
-
--- -- Insert default seasonality factors (neutral)
--- INSERT INTO sales_seasonality (month, seasonality_factor)
--- VALUES 
---     (1, 0), (2, 0), (3, 0), (4, 0), (5, 0), (6, 0),
---     (7, 0), (8, 0), (9, 0), (10, 0), (11, 0), (12, 0)
--- ON CONFLICT (month) DO UPDATE SET
---     last_updated = CURRENT_TIMESTAMP;
-
--- -- Insert default values
--- INSERT INTO financial_calc_config (id, order_cost, holding_rate, service_level_z_score, min_reorder_qty, default_reorder_qty, default_safety_stock)
--- VALUES (1, 25.00, 0.25, 1.96, 1, 5, 5)
--- ON CONFLICT (id) DO UPDATE SET
---     order_cost = EXCLUDED.order_cost,
---     holding_rate = EXCLUDED.holding_rate,
---     service_level_z_score = EXCLUDED.service_level_z_score,
---     min_reorder_qty = EXCLUDED.min_reorder_qty,
---     default_reorder_qty = EXCLUDED.default_reorder_qty,
---     default_safety_stock = EXCLUDED.default_safety_stock;
-
--- -- View to show thresholds with category names
--- CREATE OR REPLACE VIEW stock_thresholds_view AS
--- SELECT 
---     st.*,
---     c.name as category_name,
---     CASE 
---         WHEN st.category_id IS NULL AND st.vendor IS NULL THEN 'Global Default'
---         WHEN st.category_id IS NULL THEN 'Vendor: ' || st.vendor
---         WHEN st.vendor IS NULL THEN 'Category: ' || c.name
---         ELSE 'Category: ' || c.name || ' / Vendor: ' || st.vendor
---     END as threshold_scope
--- FROM 
---     stock_thresholds st
--- LEFT JOIN 
---     categories c ON st.category_id = c.cat_id
--- ORDER BY 
---     CASE 
---         WHEN st.category_id IS NULL AND st.vendor IS NULL THEN 1
---         WHEN st.category_id IS NULL THEN 2
---         WHEN st.vendor IS NULL THEN 3
---         ELSE 4
---     END,
---     c.name,
---     st.vendor;
-
--- History and status tables
-CREATE TABLE IF NOT EXISTS calculate_history (
-    id BIGSERIAL PRIMARY KEY,
-    start_time TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    end_time TIMESTAMP WITH TIME ZONE NULL,
-    duration_seconds INTEGER,
-    duration_minutes DECIMAL(10,2) GENERATED ALWAYS AS (duration_seconds::decimal / 60.0) STORED,
-    total_products INTEGER DEFAULT 0,
-    total_orders INTEGER DEFAULT 0,
-    total_purchase_orders INTEGER DEFAULT 0,
-    processed_products INTEGER DEFAULT 0,
-    processed_orders INTEGER DEFAULT 0,
-    processed_purchase_orders INTEGER DEFAULT 0,
-    status calculation_status DEFAULT 'running',
-    error_message TEXT,
-    additional_info JSONB
-);
-
-CREATE TABLE IF NOT EXISTS calculate_status (
-    module_name module_name PRIMARY KEY,
-    last_calculation_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP
-);
-
-CREATE TABLE IF NOT EXISTS sync_status (
-    table_name TEXT PRIMARY KEY,
-    last_sync_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    last_sync_id BIGINT
-);
-
-CREATE TABLE IF NOT EXISTS import_history (
-    id BIGSERIAL PRIMARY KEY,
-    table_name VARCHAR(50) NOT NULL,
-    start_time TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    end_time TIMESTAMP WITH TIME ZONE NULL,
-    duration_seconds INTEGER,
-    duration_minutes DECIMAL(10,2) GENERATED ALWAYS AS (duration_seconds::decimal / 60.0) STORED,
-    records_added INTEGER DEFAULT 0,
-    records_updated INTEGER DEFAULT 0,
-    is_incremental BOOLEAN DEFAULT FALSE,
-    status calculation_status DEFAULT 'running',
-    error_message TEXT,
-    additional_info JSONB
-);
-
--- Create all indexes after tables are fully created
-CREATE INDEX IF NOT EXISTS idx_last_calc ON calculate_status(last_calculation_timestamp);
-CREATE INDEX IF NOT EXISTS idx_last_sync ON sync_status(last_sync_timestamp);
-CREATE INDEX IF NOT EXISTS idx_table_time ON import_history(table_name, start_time); 

inventory-server/db/metrics-schema.sql

@@ -1,377 +0,0 @@
--- Disable foreign key checks
-SET session_replication_role = 'replica';
-
--- Temporary tables for batch metrics processing
-CREATE TABLE temp_sales_metrics (
-    pid BIGINT NOT NULL,
-    daily_sales_avg DECIMAL(10,3),
-    weekly_sales_avg DECIMAL(10,3),
-    monthly_sales_avg DECIMAL(10,3),
-    total_revenue DECIMAL(10,3),
-    avg_margin_percent DECIMAL(10,3),
-    first_sale_date DATE,
-    last_sale_date DATE,
-    stddev_daily_sales DECIMAL(10,3),
-    PRIMARY KEY (pid)
-);
-
-CREATE TABLE temp_purchase_metrics (
-    pid BIGINT NOT NULL,
-    avg_lead_time_days DECIMAL(10,2),
-    last_purchase_date DATE,
-    first_received_date DATE,
-    last_received_date DATE,
-    stddev_lead_time_days DECIMAL(10,2),
-    PRIMARY KEY (pid)
-);
-
--- New table for product metrics
-CREATE TABLE product_metrics (
-    pid BIGINT NOT NULL,
-    last_calculated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    -- Sales velocity metrics
-    daily_sales_avg DECIMAL(10,3),
-    weekly_sales_avg DECIMAL(10,3),
-    monthly_sales_avg DECIMAL(10,3),
-    avg_quantity_per_order DECIMAL(10,3),
-    number_of_orders INTEGER,
-    first_sale_date DATE,
-    last_sale_date DATE,
-    -- Stock metrics
-    days_of_inventory INTEGER,
-    weeks_of_inventory INTEGER,
-    reorder_point INTEGER,
-    safety_stock INTEGER,
-    reorder_qty INTEGER DEFAULT 0,
-    overstocked_amt INTEGER DEFAULT 0,
-    -- Financial metrics
-    avg_margin_percent DECIMAL(10,3),
-    total_revenue DECIMAL(10,3),
-    inventory_value DECIMAL(10,3),
-    cost_of_goods_sold DECIMAL(10,3),
-    gross_profit DECIMAL(10,3),
-    gmroi DECIMAL(10,3),
-    -- Purchase metrics
-    avg_lead_time_days DECIMAL(10,2),
-    last_purchase_date DATE,
-    first_received_date DATE,
-    last_received_date DATE,
-    -- Classification metrics
-    abc_class CHAR(1),
-    stock_status VARCHAR(20),
-    -- Turnover metrics
-    turnover_rate DECIMAL(12,3),
-    -- Lead time metrics
-    current_lead_time INTEGER,
-    target_lead_time INTEGER,
-    lead_time_status VARCHAR(20),
-    -- Forecast metrics
-    forecast_accuracy DECIMAL(5,2) DEFAULT NULL,
-    forecast_bias DECIMAL(5,2) DEFAULT NULL,
-    last_forecast_date DATE DEFAULT NULL,
-    PRIMARY KEY (pid),
-    FOREIGN KEY (pid) REFERENCES products(pid) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_metrics_revenue ON product_metrics(total_revenue);
-CREATE INDEX idx_metrics_stock_status ON product_metrics(stock_status);
-CREATE INDEX idx_metrics_lead_time ON product_metrics(lead_time_status);
-CREATE INDEX idx_metrics_turnover ON product_metrics(turnover_rate);
-CREATE INDEX idx_metrics_last_calculated ON product_metrics(last_calculated_at);
-CREATE INDEX idx_metrics_abc ON product_metrics(abc_class);
-CREATE INDEX idx_metrics_sales ON product_metrics(daily_sales_avg, weekly_sales_avg, monthly_sales_avg);
-CREATE INDEX idx_metrics_forecast ON product_metrics(forecast_accuracy, forecast_bias);
-
--- New table for time-based aggregates
-CREATE TABLE product_time_aggregates (
-    pid BIGINT NOT NULL,
-    year INTEGER NOT NULL,
-    month INTEGER NOT NULL,
-    -- Sales metrics
-    total_quantity_sold INTEGER DEFAULT 0,
-    total_revenue DECIMAL(10,3) DEFAULT 0,
-    total_cost DECIMAL(10,3) DEFAULT 0,
-    order_count INTEGER DEFAULT 0,
-    -- Stock changes
-    stock_received INTEGER DEFAULT 0,
-    stock_ordered INTEGER DEFAULT 0,
-    -- Calculated fields
-    avg_price DECIMAL(10,3),
-    profit_margin DECIMAL(10,3),
-    inventory_value DECIMAL(10,3),
-    gmroi DECIMAL(10,3),
-    PRIMARY KEY (pid, year, month),
-    FOREIGN KEY (pid) REFERENCES products(pid) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_date ON product_time_aggregates(year, month);
-
--- Create vendor_details table
-CREATE TABLE vendor_details (
-    vendor VARCHAR(100) PRIMARY KEY,
-    contact_name VARCHAR(100),
-    email VARCHAR(255),
-    phone VARCHAR(50),
-    status VARCHAR(20) DEFAULT 'active',
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-);
-
-CREATE INDEX idx_vendor_details_status ON vendor_details(status);
-
--- New table for vendor metrics
-CREATE TABLE vendor_metrics (
-    vendor VARCHAR(100) NOT NULL,
-    last_calculated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    -- Performance metrics
-    avg_lead_time_days DECIMAL(10,3),
-    on_time_delivery_rate DECIMAL(5,2),
-    order_fill_rate DECIMAL(5,2),
-    total_orders INTEGER DEFAULT 0,
-    total_late_orders INTEGER DEFAULT 0,
-    total_purchase_value DECIMAL(10,3) DEFAULT 0,
-    avg_order_value DECIMAL(10,3),
-    -- Product metrics
-    active_products INTEGER DEFAULT 0,
-    total_products INTEGER DEFAULT 0,
-    -- Financial metrics
-    total_revenue DECIMAL(10,3) DEFAULT 0,
-    avg_margin_percent DECIMAL(5,2),
-    -- Status
-    status VARCHAR(20) DEFAULT 'active',
-    PRIMARY KEY (vendor),
-    FOREIGN KEY (vendor) REFERENCES vendor_details(vendor) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_vendor_performance ON vendor_metrics(on_time_delivery_rate);
-CREATE INDEX idx_vendor_status ON vendor_metrics(status);
-CREATE INDEX idx_vendor_metrics_last_calculated ON vendor_metrics(last_calculated_at);
-CREATE INDEX idx_vendor_metrics_orders ON vendor_metrics(total_orders, total_late_orders);
-
--- New table for category metrics
-CREATE TABLE category_metrics (
-    category_id BIGINT NOT NULL,
-    last_calculated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    -- Product metrics
-    product_count INTEGER DEFAULT 0,
-    active_products INTEGER DEFAULT 0,
-    -- Financial metrics
-    total_value DECIMAL(15,3) DEFAULT 0,
-    avg_margin DECIMAL(5,2),
-    turnover_rate DECIMAL(12,3),
-    growth_rate DECIMAL(5,2),
-    -- Status
-    status VARCHAR(20) DEFAULT 'active',
-    PRIMARY KEY (category_id),
-    FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_category_status ON category_metrics(status);
-CREATE INDEX idx_category_growth ON category_metrics(growth_rate);
-CREATE INDEX idx_metrics_last_calculated_cat ON category_metrics(last_calculated_at);
-CREATE INDEX idx_category_metrics_products ON category_metrics(product_count, active_products);
-
--- New table for vendor time-based metrics
-CREATE TABLE vendor_time_metrics (
-    vendor VARCHAR(100) NOT NULL,
-    year INTEGER NOT NULL,
-    month INTEGER NOT NULL,
-    -- Order metrics
-    total_orders INTEGER DEFAULT 0,
-    late_orders INTEGER DEFAULT 0,
-    avg_lead_time_days DECIMAL(10,3),
-    -- Financial metrics
-    total_purchase_value DECIMAL(10,3) DEFAULT 0,
-    total_revenue DECIMAL(10,3) DEFAULT 0,
-    avg_margin_percent DECIMAL(5,2),
-    PRIMARY KEY (vendor, year, month),
-    FOREIGN KEY (vendor) REFERENCES vendor_details(vendor) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_vendor_date ON vendor_time_metrics(year, month);
-
--- New table for category time-based metrics
-CREATE TABLE category_time_metrics (
-    category_id BIGINT NOT NULL,
-    year INTEGER NOT NULL,
-    month INTEGER NOT NULL,
-    -- Product metrics
-    product_count INTEGER DEFAULT 0,
-    active_products INTEGER DEFAULT 0,
-    -- Financial metrics
-    total_value DECIMAL(15,3) DEFAULT 0,
-    total_revenue DECIMAL(15,3) DEFAULT 0,
-    avg_margin DECIMAL(5,2),
-    turnover_rate DECIMAL(12,3),
-    PRIMARY KEY (category_id, year, month),
-    FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_category_date ON category_time_metrics(year, month);
-
--- New table for category-based sales metrics
-CREATE TABLE category_sales_metrics (
-    category_id BIGINT NOT NULL,
-    brand VARCHAR(100) NOT NULL,
-    period_start DATE NOT NULL,
-    period_end DATE NOT NULL,
-    avg_daily_sales DECIMAL(10,3) DEFAULT 0,
-    total_sold INTEGER DEFAULT 0,
-    num_products INTEGER DEFAULT 0,
-    avg_price DECIMAL(10,3) DEFAULT 0,
-    last_calculated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    PRIMARY KEY (category_id, brand, period_start, period_end),
-    FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_category_brand ON category_sales_metrics(category_id, brand);
-CREATE INDEX idx_period ON category_sales_metrics(period_start, period_end);
-
--- New table for brand metrics
-CREATE TABLE brand_metrics (
-    brand VARCHAR(100) NOT NULL,
-    last_calculated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    -- Product metrics
-    product_count INTEGER DEFAULT 0,
-    active_products INTEGER DEFAULT 0,
-    -- Stock metrics
-    total_stock_units INTEGER DEFAULT 0,
-    total_stock_cost DECIMAL(15,2) DEFAULT 0,
-    total_stock_retail DECIMAL(15,2) DEFAULT 0,
-    -- Sales metrics
-    total_revenue DECIMAL(15,2) DEFAULT 0,
-    avg_margin DECIMAL(5,2) DEFAULT 0,
-    growth_rate DECIMAL(5,2) DEFAULT 0,
-    PRIMARY KEY (brand)
-);
-
-CREATE INDEX idx_brand_metrics_last_calculated ON brand_metrics(last_calculated_at);
-CREATE INDEX idx_brand_metrics_revenue ON brand_metrics(total_revenue);
-CREATE INDEX idx_brand_metrics_growth ON brand_metrics(growth_rate);
-
--- New table for brand time-based metrics
-CREATE TABLE brand_time_metrics (
-    brand VARCHAR(100) NOT NULL,
-    year INTEGER NOT NULL,
-    month INTEGER NOT NULL,
-    -- Product metrics
-    product_count INTEGER DEFAULT 0,
-    active_products INTEGER DEFAULT 0,
-    -- Stock metrics
-    total_stock_units INTEGER DEFAULT 0,
-    total_stock_cost DECIMAL(15,2) DEFAULT 0,
-    total_stock_retail DECIMAL(15,2) DEFAULT 0,
-    -- Sales metrics
-    total_revenue DECIMAL(15,2) DEFAULT 0,
-    avg_margin DECIMAL(5,2) DEFAULT 0,
-    growth_rate DECIMAL(5,2) DEFAULT 0,
-    PRIMARY KEY (brand, year, month)
-);
-
-CREATE INDEX idx_brand_time_date ON brand_time_metrics(year, month);
-
--- New table for sales forecasts
-CREATE TABLE sales_forecasts (
-    pid BIGINT NOT NULL,
-    forecast_date DATE NOT NULL,
-    forecast_quantity INTEGER,
-    confidence_level DECIMAL(5,2),
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    PRIMARY KEY (pid, forecast_date),
-    FOREIGN KEY (pid) REFERENCES products(pid) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_forecast_date ON sales_forecasts(forecast_date);
-
--- New table for category forecasts
-CREATE TABLE category_forecasts (
-    category_id BIGINT NOT NULL,
-    forecast_date DATE NOT NULL,
-    forecast_revenue DECIMAL(15,2),
-    forecast_units INTEGER,
-    confidence_level DECIMAL(5,2),
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    PRIMARY KEY (category_id, forecast_date),
-    FOREIGN KEY (category_id) REFERENCES categories(cat_id) ON DELETE CASCADE
-);
-
-CREATE INDEX idx_cat_forecast_date ON category_forecasts(forecast_date);
-
--- Create views for common calculations
-CREATE OR REPLACE VIEW inventory_health AS
-WITH stock_levels AS (
-    SELECT 
-        p.pid,
-        p.title,
-        p.SKU,
-        p.stock_quantity,
-        p.preorder_count,
-        pm.daily_sales_avg,
-        pm.weekly_sales_avg,
-        pm.monthly_sales_avg,
-        pm.reorder_point,
-        pm.safety_stock,
-        pm.days_of_inventory,
-        pm.weeks_of_inventory,
-        pm.stock_status,
-        pm.abc_class,
-        pm.turnover_rate,
-        pm.avg_lead_time_days,
-        pm.current_lead_time,
-        pm.target_lead_time,
-        pm.lead_time_status,
-        p.cost_price,
-        p.price,
-        pm.inventory_value,
-        pm.gmroi
-    FROM products p
-    LEFT JOIN product_metrics pm ON p.pid = pm.pid
-    WHERE p.managing_stock = true AND p.visible = true
-)
-SELECT 
-    *,
-    CASE 
-        WHEN stock_quantity <= safety_stock THEN 'Critical'
-        WHEN stock_quantity <= reorder_point THEN 'Low'
-        WHEN stock_quantity > (reorder_point * 3) THEN 'Excess'
-        ELSE 'Healthy'
-    END as inventory_status,
-    CASE 
-        WHEN lead_time_status = 'delayed' AND stock_status = 'low' THEN 'High'
-        WHEN lead_time_status = 'delayed' OR stock_status = 'low' THEN 'Medium'
-        ELSE 'Low'
-    END as risk_level
-FROM stock_levels;
-
--- Create view for category performance trends
-CREATE OR REPLACE VIEW category_performance_trends AS
-WITH monthly_trends AS (
-    SELECT 
-        c.cat_id,
-        c.name as category_name,
-        ctm.year,
-        ctm.month,
-        ctm.product_count,
-        ctm.active_products,
-        ctm.total_value,
-        ctm.total_revenue,
-        ctm.avg_margin,
-        ctm.turnover_rate,
-        LAG(ctm.total_revenue) OVER (PARTITION BY c.cat_id ORDER BY ctm.year, ctm.month) as prev_month_revenue,
-        LAG(ctm.turnover_rate) OVER (PARTITION BY c.cat_id ORDER BY ctm.year, ctm.month) as prev_month_turnover
-    FROM categories c
-    JOIN category_time_metrics ctm ON c.cat_id = ctm.category_id
-)
-SELECT 
-    *,
-    CASE 
-        WHEN prev_month_revenue IS NULL THEN 0
-        ELSE ((total_revenue - prev_month_revenue) / prev_month_revenue) * 100 
-    END as revenue_growth_percent,
-    CASE 
-        WHEN prev_month_turnover IS NULL THEN 0
-        ELSE ((turnover_rate - prev_month_turnover) / prev_month_turnover) * 100 
-    END as turnover_growth_percent
-FROM monthly_trends;
-
-SET session_replication_role = 'origin';