AI validation tweaks, add templates settings page and schema and routes

inventory-server/db/templates.sql

@@ -0,0 +1,39 @@
+-- Templates table for storing import templates
+CREATE TABLE IF NOT EXISTS templates (
+    id SERIAL PRIMARY KEY,
+    company TEXT NOT NULL,
+    product_type TEXT NOT NULL,
+    supplier TEXT,
+    msrp DECIMAL(10,2),
+    cost_each DECIMAL(10,2),
+    qty_per_unit INTEGER,
+    case_qty INTEGER,
+    hts_code TEXT,
+    description TEXT,
+    weight DECIMAL(10,2),
+    length DECIMAL(10,2),
+    width DECIMAL(10,2),
+    height DECIMAL(10,2),
+    tax_cat TEXT,
+    size_cat TEXT,
+    categories TEXT[],
+    ship_restrictions TEXT[],
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(company, product_type)
+);
+
+-- Function to update the updated_at timestamp
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+-- Trigger to automatically update the updated_at column
+CREATE TRIGGER update_templates_updated_at
+    BEFORE UPDATE ON templates
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();