init

migrations/000015_add_payment_split_functionality.up.sql

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+-- Add split payment tracking to payments table
+ALTER TABLE payments ADD COLUMN split_number INTEGER DEFAULT 1;
+ALTER TABLE payments ADD COLUMN split_total INTEGER DEFAULT 1;
+ALTER TABLE payments ADD COLUMN split_description VARCHAR(255);
+
+-- Add item-specific payment tracking
+CREATE TABLE payment_order_items (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    payment_id UUID NOT NULL REFERENCES payments(id) ON DELETE CASCADE,
+    order_item_id UUID NOT NULL REFERENCES order_items(id) ON DELETE CASCADE,
+    amount DECIMAL(10,2) NOT NULL CHECK (amount >= 0),
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Indexes for payment_order_items
+CREATE INDEX idx_payment_order_items_payment_id ON payment_order_items(payment_id);
+CREATE INDEX idx_payment_order_items_order_item_id ON payment_order_items(order_item_id);
+
+-- Add refund tracking to payments
+ALTER TABLE payments ADD COLUMN refund_amount DECIMAL(10,2) DEFAULT 0.00 CHECK (refund_amount >= 0);
+ALTER TABLE payments ADD COLUMN refund_reason VARCHAR(255);
+ALTER TABLE payments ADD COLUMN refunded_at TIMESTAMP WITH TIME ZONE;
+ALTER TABLE payments ADD COLUMN refunded_by UUID REFERENCES users(id);
+
+-- Add refund tracking to order items with boolean flags
+ALTER TABLE order_items ADD COLUMN refund_amount DECIMAL(10,2) DEFAULT 0.00 CHECK (refund_amount >= 0);
+ALTER TABLE order_items ADD COLUMN refund_quantity INTEGER DEFAULT 0 CHECK (refund_quantity >= 0);
+ALTER TABLE order_items ADD COLUMN is_partially_refunded BOOLEAN DEFAULT FALSE;
+ALTER TABLE order_items ADD COLUMN is_fully_refunded BOOLEAN DEFAULT FALSE;
+ALTER TABLE order_items ADD COLUMN refund_reason VARCHAR(255);
+ALTER TABLE order_items ADD COLUMN refunded_at TIMESTAMP WITH TIME ZONE;
+ALTER TABLE order_items ADD COLUMN refunded_by UUID REFERENCES users(id);
+
+-- Indexes for order item refund flags
+CREATE INDEX idx_order_items_is_partially_refunded ON order_items(is_partially_refunded);
+CREATE INDEX idx_order_items_is_fully_refunded ON order_items(is_fully_refunded);