create sales table (#458)

* create sales table

* moved

* moved file

* fixed from feedback

* fixed

* must be unique

* move file

migrations/000.535.sql

@@ -0,0 +1,13 @@
+DROP TABLE IF EXISTS sales;
+
+CREATE TABLE sales (
+    id SERIAL PRIMARY KEY,  -- Auto-incremented unique ID
+    sale_id TEXT NOT NULL UNIQUE,  -- Sale ID used for tracking
+    name TEXT NOT NULL,  -- Name for admin visual purposes
+    start_time TIMESTAMP WITHOUT TIME ZONE NOT NULL,  -- Start time that is non timezone specific
+    end_time TIMESTAMP WITHOUT TIME ZONE NOT NULL,  -- End time that is non timezone specific
+    active BOOLEAN NOT NULL DEFAULT TRUE,  -- Boolean flag to indicate if the sale is active
+    discount_percent INT CHECK (discount_percent BETWEEN 1 AND 40),  -- Discount percentage (1-40)
+    segmentation JSONB NOT NULL DEFAULT '{ "include_markets": [], "exclude_markets": [], "designers": [], "product_types": [], "products": []}'::jsonb  -- JSON object for segmentation settings
+);
+