Split off config schema, update settings page

inventory-server/db/config-schema.sql

@@ -0,0 +1,49 @@
+-- Configuration tables schema
+
+-- Stock threshold configurations
+CREATE TABLE IF NOT EXISTS stock_thresholds (
+    id INT NOT NULL,
+    category_id BIGINT,  -- NULL means default/global threshold
+    vendor VARCHAR(100), -- NULL means applies to all vendors
+    critical_days INT NOT NULL DEFAULT 7,
+    reorder_days INT NOT NULL DEFAULT 14,
+    overstock_days INT NOT NULL DEFAULT 90,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    PRIMARY KEY (id),
+    FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
+    UNIQUE KEY unique_category_vendor (category_id, vendor)
+);
+
+-- Insert default thresholds with ID=1 if not exists
+INSERT INTO stock_thresholds (id, category_id, vendor, critical_days, reorder_days, overstock_days)
+VALUES (1, NULL, NULL, 7, 14, 90)
+ON DUPLICATE KEY UPDATE
+    critical_days = VALUES(critical_days),
+    reorder_days = VALUES(reorder_days),
+    overstock_days = VALUES(overstock_days);
+
+-- 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 CONCAT('Vendor: ', st.vendor)
+        WHEN st.vendor IS NULL THEN CONCAT('Category: ', c.name)
+        ELSE CONCAT('Category: ', c.name, ' / Vendor: ', st.vendor)
+    END as threshold_scope
+FROM 
+    stock_thresholds st
+LEFT JOIN 
+    categories c ON st.category_id = c.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; 

inventory-server/db/metrics-schema.sql

@@ -88,30 +88,6 @@ CREATE TABLE IF NOT EXISTS vendor_metrics (
     PRIMARY KEY (vendor)
 );
 
--- New table for stock threshold configurations
-CREATE TABLE IF NOT EXISTS stock_thresholds (
-    id INT NOT NULL,  -- Changed from AUTO_INCREMENT to explicitly set ID
-    category_id BIGINT,  -- NULL means default/global threshold
-    vendor VARCHAR(100), -- NULL means applies to all vendors
-    critical_days INT NOT NULL DEFAULT 7,
-    reorder_days INT NOT NULL DEFAULT 14,
-    overstock_days INT NOT NULL DEFAULT 90,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-    PRIMARY KEY (id),
-    FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
-    UNIQUE KEY unique_category_vendor (category_id, vendor),
-    INDEX idx_thresholds_category_vendor (category_id, vendor)
-);
-
--- Insert default thresholds with ID=1
-INSERT INTO stock_thresholds (id, category_id, vendor, critical_days, reorder_days, overstock_days)
-VALUES (1, NULL, NULL, 7, 14, 90)
-ON DUPLICATE KEY UPDATE
-    critical_days = VALUES(critical_days),
-    reorder_days = VALUES(reorder_days),
-    overstock_days = VALUES(overstock_days);
-
 -- Re-enable foreign key checks
 SET FOREIGN_KEY_CHECKS = 1;