implement bop for expedition must recheck and qty in staff purchase need info

internal/database/migrations/20251204193903_adjustment_purchase_expedition.down.sql

@@ -0,0 +1,30 @@
+DO $$
+BEGIN
+    IF EXISTS (
+        SELECT 1 FROM pg_constraint WHERE conname = 'fk_purchase_items_expense_nonstock'
+    ) THEN
+        ALTER TABLE purchase_items
+            DROP CONSTRAINT fk_purchase_items_expense_nonstock;
+    END IF;
+END $$;
+
+DROP INDEX IF EXISTS idx_purchase_items_expense_nonstock_id;
+
+ALTER TABLE purchase_items
+    DROP COLUMN IF EXISTS expense_nonstock_id,
+    ALTER COLUMN vehicle_number DROP NOT NULL,
+    ALTER COLUMN vehicle_number TYPE VARCHAR USING vehicle_number;
+
+ALTER TABLE purchases
+    ALTER COLUMN pr_number TYPE VARCHAR USING pr_number,
+    ALTER COLUMN po_number TYPE VARCHAR USING po_number,
+    ALTER COLUMN created_at DROP DEFAULT,
+    ALTER COLUMN updated_at DROP DEFAULT;
+
+ALTER TABLE purchases
+    ADD COLUMN credit_term INT NOT NULL DEFAULT 0,
+    ADD COLUMN grand_total NUMERIC(15, 3) NOT NULL DEFAULT 0;
+
+ALTER TABLE purchases
+    ALTER COLUMN credit_term DROP DEFAULT,
+    ALTER COLUMN grand_total DROP DEFAULT;

internal/database/migrations/20251204193903_adjustment_purchase_expedition.up.sql

@@ -0,0 +1,41 @@
+-- Adjust purchases table to new purchasing schema
+ALTER TABLE purchases
+    ALTER COLUMN pr_number TYPE VARCHAR(50) USING LEFT(pr_number, 50),
+    ALTER COLUMN po_number TYPE VARCHAR(50) USING LEFT(po_number, 50),
+    ALTER COLUMN created_at SET DEFAULT now(),
+    ALTER COLUMN updated_at SET DEFAULT now();
+
+ALTER TABLE purchases
+    DROP COLUMN IF EXISTS credit_term,
+    DROP COLUMN IF EXISTS grand_total;
+
+-- Bring purchase_items in line with new requirements
+ALTER TABLE purchase_items
+    ADD COLUMN IF NOT EXISTS expense_nonstock_id BIGINT;
+
+UPDATE purchase_items
+SET vehicle_number = ''
+WHERE vehicle_number IS NULL;
+
+ALTER TABLE purchase_items
+    ALTER COLUMN vehicle_number TYPE VARCHAR(10) USING LEFT(vehicle_number, 10),
+    ALTER COLUMN vehicle_number SET NOT NULL;
+
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'expense_nonstocks') THEN
+        IF NOT EXISTS (
+            SELECT 1 FROM pg_constraint WHERE conname = 'fk_purchase_items_expense_nonstock'
+        ) THEN
+            EXECUTE
+            'ALTER TABLE purchase_items
+             ADD CONSTRAINT fk_purchase_items_expense_nonstock
+             FOREIGN KEY (expense_nonstock_id)
+             REFERENCES expense_nonstocks(id)
+             ON DELETE SET NULL ON UPDATE CASCADE';
+        END IF;
+    END IF;
+END $$;
+
+CREATE INDEX IF NOT EXISTS idx_purchase_items_expense_nonstock_id
+    ON purchase_items (expense_nonstock_id);