Merchant Coupon Show

[jimmacur]

Returns a specific coupon and shows a count of how many times that coupon has been used.

• [x] test
• [x] controller
• [x] route

status: 200
body:

{
  "data": {
    "id": "1",
    "type": "coupon",
    "attributes": {
      "name": "Buy One Get One 50",
      ...remaining attributes go here...   
    }
  }
}```