ci: add GitHub Actions workflows for Apollo Check and Apollo Publish

.github/workflows/apollo-check.yml

@@ -0,0 +1,24 @@
+name: Apollo Check
+on:
+  pull_request:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      APOLLO_VCS_BRANCH: ${{ github.head_ref }}
+      APOLLO_VCS_COMMIT: ${{ github.event.pull_request.head.sha }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: apollographql-gh-actions/install-rover@v1
+      - uses: apollographql-gh-actions/rover-subgraph-lint@v1
+        with:
+          apollo-key: ${{ secrets.APOLLO_KEY }}
+          graph-ref: ${{ secrets.APOLLO_GRAPH_REF }}
+          name: github
+          schema: ./github.graphql
+      - uses: apollographql-gh-actions/rover-subgraph-check@v1
+        with:
+          apollo-key: ${{ secrets.APOLLO_KEY }}
+          graph-ref: ${{ secrets.APOLLO_GRAPH_REF }}
+          name: github
+          schema: ./github.graphql

.github/workflows/apollo-publish.yml

@@ -0,0 +1,19 @@
+name: Apollo Publish
+on:
+  push:
+    branches:
+      - main
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    environment: apollo
+    steps:
+      - uses: actions/checkout@v4
+      - uses: apollographql-gh-actions/install-rover@v1
+      - uses: apollographql-gh-actions/rover-subgraph-publish@v1
+        with:
+          apollo-key: ${{ secrets.APOLLO_KEY }}
+          graph-ref: ${{ secrets.APOLLO_GRAPH_REF }}
+          name: github
+          schema: ./github.graphql
+          no-url: true

github.graphql

@@ -0,0 +1,43 @@
+extend schema
+  @link(url: "https://specs.apollo.dev/federation/v2.10", import: ["@key"])
+  @link(
+    url: "https://specs.apollo.dev/connect/v0.1"
+    import: ["@connect", "@source"]
+  )
+  @source(
+    name: "github"
+    http: {
+      baseURL: "https://api.github.com"
+      headers: [
+        { name: "Accept", value: "application/vnd.github+json" }
+        { name: "User-Agent", value: "{$config.agent}" }
+        { name: "Authorization", value: "token {$config.token}" }
+      ]
+    }
+  )
+
+type Query {
+  "All trees in the leetcode-study repository"
+  gitTrees: [GitTree]!
+    @connect(
+      source: "github"
+      # https://docs.github.com/en/rest/git/trees#get-a-tree
+      http: {
+        GET: "/repos/DaleStudy/leetcode-study/git/trees/main?recursive=1"
+      }
+      selection: """
+      $.tree {
+        type
+        path
+      }
+      """
+    )
+}
+
+"A file or directory in the Git repository"
+type GitTree {
+  "The type of the node"
+  type: String!
+  "The path of the node"
+  path: String!
+}