CrossValidator - Demonstrates cross validation in GraphQL queries

Requirements

This application requires a working Postgres installation running at port 5432 to run. Configuration can be changed in the configuration files found in the config folder.

Starting up the application

To start your Phoenix server:

• Install dependencies with mix deps.get
• Create and migrate your database with mix ecto.setup
• Start Phoenix endpoint with mix phx.server or iex -S mix phx.server

This particular implementation does not have a web front end. It only has a GraphiQL endpoint.

GraphiQL endpoint

The GraphiQL endpoint is at http://localhost:4000/api/graphiql from your browser.

Sample GraphiQL queries

Assortment create

Mutation

mutation CreateAssortment($input: AssortmentInput!) {
  createAssortment(input: $input) {
    id
    uid
    specialNumberOne
    specialNumberTwo
    magicalStringOne
    magicalStringTwo
    mythicalBooleanOne
    mythicalBooleanTwo
    listOfStringsOne
    listOfStringsTwo
    fairyDateOne
    fairyDateTwo
    grabBagMapOne
    grabBagMapTwo
  }
}

Query variables

{
  "input": {
    "specialNumberOne": 9998,
    "specialNumberTwo": 100000,
    "magicalStringOne": "MAGIC-***",
    "magicalStringTwo": "MAGIC-####",
    "mythicalBooleanOne": true,
    "mythicalBooleanTwo": true,
    "listOfStringsOne": ["a", "list", "of", "strings"],
    "listOfStringsTwo": ["somewhat-shorter-list-of-strings"],
    "fairyDateOne": "2019-11-13",
    "fairyDateTwo": "2099-12-31",
    "grabBagMapOne": "{\"first\": 1, \"key\": \"value\" }",
    "grabBagMapTwo": "{\"a-list\": [] }"
  }
}

Assortment update

Mutation

mutation UpdateAssortment($id: Int!, $input: AssortmentInput!) {
  updateAssortment(id: $id, input: $input) {
    id
    uid
    specialNumberOne
    specialNumberTwo
    magicalStringOne
    magicalStringTwo
    mythicalBooleanOne
    mythicalBooleanTwo
    listOfStringsOne
    listOfStringsTwo
    fairyDateOne
    fairyDateTwo
    grabBagMapOne
    grabBagMapTwo
  }
}

Query variables

{
  "id": 1,
  "input": {
    "magical_string_one": "OLD-MAGIC",
    "magical_string_two": "NEW-MAGIC"
    }
}

Assortment delete

Mutation

mutation DeleteAssortment($id: Int!) {
  deleteAssortment(id: $id) {
    id
  }
}

Query variables

{
  "id": 1
}

All Assortments

Query

{
  assortments {
    nodes {
    id
    uid
    specialNumberOne
    specialNumberTwo
    magicalStringOne
    magicalStringTwo
    mythicalBooleanOne
    mythicalBooleanTwo
    listOfStringsOne
    listOfStringsTwo
    fairyDateOne
    fairyDateTwo
    grabBagMapOne
    grabBagMapTwo
  }
}

Assortments by id

Query

query AssortmentById($id: Int) {
  assortment(id: $id) {
    id
    uid
    specialNumberOne
    specialNumberTwo
    magicalStringOne
    magicalStringTwo
    mythicalBooleanOne
    mythicalBooleanTwo
    listOfStringsOne
    listOfStringsTwo
    fairyDateOne
    fairyDateTwo
    grabBagMapOne
    grabBagMapTwo
  }
}

Query variables

{
  "id": 2
}

Assortment by uuid

Query

query AssortmentByUid($uid: UUID4) {
  assortment(uid: $uid) {
    id
    uid
    specialNumberOne
    specialNumberTwo
    magicalStringOne
    magicalStringTwo
    mythicalBooleanOne
    mythicalBooleanTwo
    listOfStringsOne
    listOfStringsTwo
    fairyDateOne
    fairyDateTwo
    grabBagMapOne
    grabBagMapTwo
  }
}

Query variables

{
  "uid": "93e23ff4-014a-4a2d-8909-7551f4e61640"
}

Assortment by mythicalBooleanOne

Query

query AssortmentsByMythicalBooleanOne($mythicalBooleanOne: Boolean) {
  assortments(mythicalBooleanOne: $mythicalBooleanOne) {
    nodes {
      id
      uid
      specialNumberOne
      specialNumberTwo
      magicalStringOne
      magicalStringTwo
      mythicalBooleanOne
      mythicalBooleanTwo
      listOfStringsOne
      listOfStringsTwo
      fairyDateOne
      fairyDateTwo
      grabBagMapOne
      grabBagMapTwo
    }
  }
}

Query variables

{
  "mythicalBooleanOne": true
}

Some more Phoenix caveats

Running in production?

Ready to run in production? Please check our deployment guides. Or... just don't, because this is just a demo application.

Learn more about Phoenix

• Official website: http://www.phoenixframework.org/
• Guides: https://hexdocs.pm/phoenix/overview.html
• Docs: https://hexdocs.pm/phoenix
• Mailing list: http://groups.google.com/group/phoenix-talk
• Source: https://github.com/phoenixframework/phoenix