remove-governed-labels-on-create.yml

name: 'On Create: Remove Governed Label'

# Trigger workflow whenever a discussion is created
on:
  discussion:
    types: [created]

jobs:
  check_labels:
    name: Check labels
    runs-on: ubuntu-latest

# Step 1 is to check if the discussion creator is an employee. If employee = 'true', later steps will not fire. If employee = 'false', later steps will continue 
    steps:
      - name: Check if employee
        id: check_employee
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.READ_GITHUB_ORG_MEMBERS_TOKEN }}
          result-encoding: string
          script: |
            console.log(context.payload);

            try {
              const response = await github.rest.orgs.checkMembershipForUser({
                org: `github`,
                username: context.payload.sender.login
              });

              if (response.status === 204) {
                return 'true';
              } else {
                return 'false';
              }
            } catch (error) {
              console.log(error);
              return 'false';
            }

# Step 2 grabs the label id of the label we want to remove and stores it in the GITHUB_ENV. We use the 'TOPIC' to define the label in plain text
      - name: Fetch label id
        id: fetch_label_id
        if: ${{ steps.check_employee.outputs.result == 'false' }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OWNER: ${{ github.repository_owner }}
          REPO: ${{ github.event.repository.name }}
          TOPIC: 'more information needed'
        run: |
          gh api graphql -F owner=$OWNER -F name=$REPO -F topic="$TOPIC"  -f query='
            query($owner: String!, $name: String!, $topic: String) {
              repository(owner: $owner, name: $name){
                labels(first: 3, query: $topic) {
                  edges {
                    node {
                      id
                      name
                    }
                  }
                }
              }
            }' > repository_label_data.json
            
          echo 'LABEL_ID='$(jq '.data.repository.labels.edges[].node | .id ' repository_label_data.json) >> $GITHUB_ENV

# Step 3 is to record the discussion id of the discussion that triggered the workflow in the GITHUB_ENV so the workflow knows which discussion post to then act on later         
      - name: Fetch discussion ID
        id: fetch_discussion_id
        if: ${{ steps.check_employee.outputs.result == 'false' }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OWNER: ${{ github.repository_owner }}
          REPO: ${{ github.event.repository.name }}
          TOPIC: 'more information needed'
        run: |
          gh api graphql -F owner=$OWNER -F name=$REPO -f query='
            query($owner: String!, $name: String!) {
              repository(owner: $owner, name: $name) {
                discussion(number: ${{ github.event.discussion.number }}) {
                  id
                }
              }
            }' > discussion_data.json
            
          echo 'DISCUSSION_ID='$(jq '.data.repository.discussion.id' discussion_data.json) >> $GITHUB_ENV

# Step 4 recalls the appropriate discussion id and label id from the GITHUB_ENV and removes the label from the discussion
      - name: Unlabel the discussion
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OWNER: ${{ github.repository_owner }}
          REPO: ${{ github.event.repository.name }}
          DISCUSSION_ID: ${{ env.DISCUSSION_ID }}
          LABEL_IDS: ${{ env.LABEL_ID }}
        run: |
          IFS=' ' read -ra labelIds <<< "$LABEL_IDS"
          for labelId in "${labelIds[@]}"; do
            gh api graphql -f query='
              mutation($labelableId: ID!, $labelIds: [ID!]!) {
                removeLabelsFromLabelable(input: {labelableId: $labelableId, labelIds: $labelIds}) {
                  labelable {
                    labels(first: 10) {
                      edges {
                        node {
                          id
                          name
                        }
                      }
                    }
                  }
                }
              }' -f labelableId=$DISCUSSION_ID -f labelIds=$labelId
          done