project_automation_sync_pr_issues.yml

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name: Project - Synchronize Linked Issues

on:
  pull_request_target:
    # Run this action when a PR is opened or edited
    # Issues do not have a graphQL connection to linked PRs so we can't use that event
    types: [edited]

env:
 ORG: ${{ github.event.repository.owner.login }}
 PR_NUMBER: ${{ github.event.pull_request.number }}
 REPO: ${{ github.event.repository.name }}

 # The environment vars below are hard-coded from external queries to save time + complexity here
 # Note: PVT means Project V2, not "Private"
 PROJECT_ID: "PVT_kwDOBkAsks4ACeio"
 STATUS_FIELD_ID: "PVTSSF_lADOBkAsks4ACeiozgBbno0"
 WORKING_SPRINT_FIELD_ID: "PVTIF_lADOBkAsks4ACeiozgJ_KCY"
 START_SPRINT_FIELD_ID: "PVTIF_lADOBkAsks4ACeiozgI90p0"

jobs:
  project_automation_sync_pr_with_issues:
    runs-on: ubuntu-latest

    steps:
      - name: Generate Token
        uses: actions/create-github-app-token@v1
        id: generate-token
        with:
          app-id: ${{ secrets.ACTIONS_APP_ID }}
          private-key: ${{ secrets.ACTIONS_APP_KEY }}

      - name: Wait 1 Second
        id: sleep
        run: sleep 1

      - name: Get PR Project ID
        id: get_pr_id
        env:
          GITHUB_TOKEN: ${{ steps.generate-token.outputs.token }}
        run: |
            # Query up to 10 projects for the PR
            gh api graphql -f query='
              query {
                organization(login: "${{ env.ORG }}") {
                  repository(name: "${{ env.REPO }}") {
                    issueOrPullRequest(number: ${{ env.PR_NUMBER }}) {
                      ... on PullRequest {
                        id
                        projectItems(first: 10) {
                          edges {
                            node {
                              id
                              project {
                                id
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }' > project_data.json

            # Filter the json result to only the project-specific ID for the PR
            # A PR can be in multiple projects so we need to filter by the project ID we want
            pr_id=$(jq -r '.data.organization.repository.issueOrPullRequest.projectItems.edges[] |
                           select(.node.project.id == "${{ env.PROJECT_ID }}") |
                           .node.id' project_data.json)
            echo "PR_ID=$pr_id" >> $GITHUB_ENV
        continue-on-error: true

      - name: Get Status, Start Sprint, and Working Sprint Fields from the PR
        id: get_pr_status
        env:
          GITHUB_TOKEN: ${{ steps.generate-token.outputs.token }}
        run: |
            # Query the PR's status from the project
            gh api graphql -f query='
              query {
                node(id: "${{ env.PR_ID }}") {
                  ... on ProjectV2Item {
                    id
                    fieldValueByName(name: "Status") {
                      ... on ProjectV2ItemFieldSingleSelectValue {
                        id
                      }
                    }
                  }
                }
              }' > status_field_data.json
            status_option_id=$(jq -r '.data.node.fieldValueByName.id' status_field_data.json)
            echo "STATUS_OPTION_ID=$status_option_id" >> $GITHUB_ENV

            # Query the PR's start sprint from the project
            gh api graphql -f query='
              query {
                node(id: "${{ env.PR_ID }}") {
                  ... on ProjectV2Item {
                    id
                    fieldValueByName(name: "Start Sprint") {
                      ... on ProjectV2ItemFieldIterationValue {
                        id
                      }
                    }
                  }
                }
              }' > start_sprint_data.json
            start_sprint_option_id=$(jq -r '.data.node.fieldValueByName.id' start_sprint_data.json)
            echo "START_SPRINT_OPTION_ID=$start_sprint_option_id" >> $GITHUB_ENV

            # Query the PR's working sprint from the project
            gh api graphql -f query='
              query {
                node(id: "${{ env.PR_ID }}") {
                  ... on ProjectV2Item {
                    id
                    fieldValueByName(name: "Working Sprint") {
                      ... on ProjectV2ItemFieldIterationValue {
                        id
                      }
                    }
                  }
                }
              }' > working_sprint_data.json
            working_sprint_option_id=$(jq -r '.data.node.fieldValueByName.id' working_sprint_data.json)
            echo "WORKING_SPRINT_OPTION_ID=$working_sprint_option_id" >> $GITHUB_ENV

        continue-on-error: true

      - name: Sync Linked Issues
        id: update_linked_issues
        env:
          GITHUB_TOKEN: ${{ steps.generate-token.outputs.token }}
        run: |
            gh api graphql -f query='
              query {
                organization(login: "${{ env.ORG }}") {
                  repository(name: "${{ env.REPO }}") {
                    issueOrPullRequest(number: ${{ env.PR_NUMBER }}) {
                      ... on PullRequest {
                        id
                        closingIssuesReferences(first: 10) {
                          edges {
                            node {
                              id
                              projectItems(first: 10) {
                                nodes {
                                  id
                                }
                                edges {
                                  node {
                                    id
                                    project {
                                      id
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }' > project_data.json
            issue_ids=$(jq -r '.data.organization.repository.issueOrPullRequest.closingIssuesReferences.edges[].node.projectItems.edges[] |
                               select(.node.project.id == "${{ env.PROJECT_ID }}") |
                               .node.id' project_data.json)

            for issue_id in $issue_ids; do
              # The query below is constructed differently than the others due to bash variable syntax + github actions syntax interactions
              # Update Status
              QUERY="mutation {
                updateProjectV2ItemFieldValue(
                  input: {
                    projectId: \"$PROJECT_ID\"
                    itemId: \"$issue_id\"
                    fieldId: \"$STATUS_FIELD_ID\"
                  value: {
                      singleSelectOptionId: \"$STATUS_OPTION_ID\"
                      }
                    }
                  ) {
                    projectV2Item {
                      id
                    }
                  }
                }"
              gh api graphql --field query="$QUERY"

              # Update Start Sprint
              QUERY="mutation {
                updateProjectV2ItemFieldValue(
                  input: {
                    projectId: \"$PROJECT_ID\"
                    itemId: \"$issue_id\"
                    fieldId: \"$START_SPRINT_FIELD_ID\"
                  value: {
                      iterationId: \"$START_SPRINT_OPTION_ID\"
                      }
                    }
                  ) {
                    projectV2Item {
                      id
                    }
                  }
                }"
              gh api graphql --field query="$QUERY"

              # Update Working Sprint
              QUERY="mutation {
                updateProjectV2ItemFieldValue(
                  input: {
                    projectId: \"$PROJECT_ID\"
                    itemId: \"$issue_id\"
                    fieldId: \"$WORKING_SPRINT_FIELD_ID\"
                  value: {
                      iterationId: \"$WORKING_SPRINT_OPTION_ID\"
                      }
                    }
                  ) {
                    projectV2Item {
                      id
                    }
                  }
                }"
              gh api graphql --field query="$QUERY"

            done
        continue-on-error: true