Simple E-Commerce v1.0.0

inventory.graphql

type Inventory {
  total: Int!
  available: Int!
}

extend type Product @key(fields: "id") {
  id: ID! @external
  inventory: Inventory!
}

input ProductAddInventoryInput {
  productId: ID!
  quantityToAdd: Int!
}

extend type Mutation {
  productAddInventory(input: ProductAddInventoryInput): Product!
}

product.graphql

extend type Query {
  product(id: ID!): Product
}

type Product @key(fields: "id") {
  id: ID!
  name: String!
}

input ProductCreateInput {
  name: String!
}

extend type Mutation {
  productCreate(input: ProductCreateInput): Product!
}