WunderGit Demo - Cosmo Federation

This repository demonstrates WunderGraph Cosmo's capabilities using a simplified GitHub API model with two federated subgraphs.

Architecture

flowchart TD
    A["Federated Graph\n(WunderGit API)"]

    subgraph B[Users Subgraph]
        B1[User]
        B2[Organization]
        B3[Owner]
    end

    subgraph C[Repos Subgraph]
        C1[Repository]
        C2[Topics]
        C3[Stargazers]
    end

    A --> B
    A --> C

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Users Subgraph (subgraphs/users.graphql)

Manages user and organization data with mock data for:

• Users: octocat, torvalds
• Organizations: wundergraph, github:

Manages user and organization data

Example Queries:

query GetUserByLogin($login: String!) {
  user(login: "octocat") {
    id
    login
    name
    bio
    followers
    following
  }
}

query GetOrganization($orgLogin: String!) {
  organization(login: $orgLogin) {
    id
    login
    name
    description
    members
  }
}

query GetCurrentViewer {
  viewer {
    login
    name
    email
  }
}

Example Mutations:

mutation {
  updateUserProfile(input: {
    name: "Updated Name"
    bio: "New bio"
    location: "New Location"
  }) {
    id
    name
    bio
    location
    updatedAt
  }
}

mutation {
  followUser(userId: "2") {
    id
    login
    followers
    isViewerFollowing
  }
}

Repositories Subgraph (subgraphs/repos.graphql)

Manages repository data with mock data for repositories:

• wundergraph/cosmo
• wundergraph/wundergraph
• torvalds/linux
• octocat/Hello-World

# Get repository by owner and name
query {
    repository(owner: "wundergraph", name: "cosmo") {
        id
        name
        fullName
        description
        stargazerCount
        forkCount
        topics
    }
}

# List repositories
query {
    repositories(first: 5) {
        id
        name
        fullName
        stargazerCount
    }
}

# Search repositories
query {
    searchRepositories(query: "graphql") {
        id
        name
        description
        topics
    }
}

Example Mutations:

# Create a new repository
mutation {
  createRepository(input: {
    name: "my-new-repo"
    description: "A test repository"
    visibility: PUBLIC
    ownerId: "1"
  }) {
    id
    name
    fullName
    createdAt
  }
}

# Update repository
mutation {
  updateRepository(
    id: "1001"
    input: {
      description: "Updated description"
      topics: ["graphql", "federation", "typescript"]
    }
  ) {
    id
    description
    topics
    updatedAt
  }
}

# Archive repository
mutation {
  archiveRepository(id: "1001") {
    id
    name
    isArchived
  }
}