Fix incorrect columns in import scripts

inventory-server/db/config-schema.sql

@@ -1,5 +1,23 @@
 -- 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,
@@ -10,13 +28,18 @@ CREATE TABLE stock_thresholds (
     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 DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    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
@@ -27,13 +50,18 @@ CREATE TABLE lead_time_thresholds (
     target_days INTEGER NOT NULL DEFAULT 14,
     warning_days INTEGER NOT NULL DEFAULT 21,
     critical_days INTEGER NOT NULL DEFAULT 30,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    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,
@@ -42,13 +70,18 @@ CREATE TABLE sales_velocity_config (
     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 DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    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
@@ -57,10 +90,15 @@ CREATE TABLE abc_classification_config (
     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 DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    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,
@@ -68,13 +106,18 @@ CREATE TABLE safety_stock_config (
     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 DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    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
@@ -84,23 +127,33 @@ CREATE TABLE turnover_config (
     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 DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    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 NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    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();
+
 -- 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)
@@ -178,8 +231,8 @@ ORDER BY
 -- History and status tables
 CREATE TABLE IF NOT EXISTS calculate_history (
     id BIGSERIAL PRIMARY KEY,
-    start_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    end_time TIMESTAMP 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,
     total_products INTEGER DEFAULT 0,
@@ -195,20 +248,20 @@ CREATE TABLE IF NOT EXISTS calculate_history (
 
 CREATE TABLE IF NOT EXISTS calculate_status (
     module_name module_name PRIMARY KEY,
-    last_calculation_timestamp TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    last_calculation_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE TABLE IF NOT EXISTS sync_status (
     table_name VARCHAR(50) PRIMARY KEY,
-    last_sync_timestamp TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    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 NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    end_time TIMESTAMP 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,