Chore: refactor to use new schema changing queries

lib/promo-codes.js

@@ -3,27 +3,27 @@ const uuid = require('uuid')
 
 function getAvailablePromoCodes () {
   const sql = `SELECT * FROM coupons WHERE soft_deleted=false`
-  return db.any(sql)
+  return db.$any(sql)
 }
 
 function getPromoCode (code) {
   const sql = `SELECT * FROM coupons WHERE code=$1 AND soft_deleted=false`
-  return db.oneOrNone(sql, [code])
+  return db.$oneOrNone(sql, [code])
 }
 
 function createPromoCode (code, discount) {
   const sql = `INSERT INTO coupons (id, code, discount) VALUES ($1, $2, $3) RETURNING *`
-  return db.one(sql, [uuid.v4(), code, discount])
+  return db.$one(sql, [uuid.v4(), code, discount])
 }
 
 function deletePromoCode (id) {
   const sql = `UPDATE coupons SET soft_deleted=true WHERE id=$1`
-  return db.none(sql, [id])
+  return db.$none(sql, [id])
 }
 
 function getNumberOfAvailablePromoCodes () {
   const sql = `SELECT COUNT(id) FROM coupons WHERE soft_deleted=false`
-  return db.one(sql).then(res => res.count)
+  return db.$one(sql).then(res => res.count)
 }
 
 module.exports = { getAvailablePromoCodes, getPromoCode, createPromoCode, deletePromoCode, getNumberOfAvailablePromoCodes }