department-of-veterans-affairs/vets-website

name: Get changed applications
description: Get application details for branches/commits with changes to single or grouped applications on the allow-list.

inputs:
  delimiter:
    description: 'Delimiter to use for string output. Does not apply to `changed_files`.'
    required: false
    default: ' '

  output-type:
    description: 'Comma delimited list of changed application details to retrieve. Output types include: `entry_name`, `folder`, `slack_group`, `url`, `continuous_deployment`.'
    required: false
    default: ''

outputs:
  changed_files:
    description: 'Space delimited list of paths for changed files that differ from `main` branch.'
    value: ${{ steps.get-changed-files.outputs.changed_files }}
  
  continuous_deployment:
    description: 'Whether all changed applications have continuous deployment enabled.'
    value: ${{ steps.check-continuous-deployment.outputs.is_enabled }}

  entry_names:
    description: 'Entry names of changed applications.'
    value: ${{ steps.get-entry-names.outputs.entry_names }}

  folders:
    description: 'Root folder paths of changed applications.'
    value: ${{ steps.get-folders.outputs.folders }}

  slack_groups:
    description: 'Slack user groups of changed applications.'
    value: ${{ steps.get-slack-groups.outputs.slack_groups }}

  urls:
    description: 'Root URLs of changed applications.'
    value: ${{ steps.get-urls.outputs.urls }}

runs:
  using: 'composite'
  steps:
    - name: Get paths of changed files
      id: get-changed-files
      shell: bash
      run: |
        if [[ ${{ github.ref }} == 'refs/heads/main' ]]; then
            echo changed_files=$(git diff-tree --no-commit-id --name-only -r ${{ github.sha }}) >> $GITHUB_OUTPUT
        else
          echo changed_files=$(git diff --name-only origin/main...) >> $GITHUB_OUTPUT
        fi

    - name: Get entry names
      id: get-entry-names
      if: contains(inputs.output-type, 'entry_name')
      shell: bash
      run: echo entry_names=$(node script/github-actions/get-changed-apps.js --output-type entry -d "${{ inputs.delimiter }}") >> $GITHUB_OUTPUT
      env:
        CHANGED_FILE_PATHS: ${{ steps.get-changed-files.outputs.changed_files }}

    - name: Get folders
      id: get-folders
      if: contains(inputs.output-type, 'folder')
      shell: bash
      run: echo folders=$(node script/github-actions/get-changed-apps.js --output-type folder -d "${{ inputs.delimiter }}") >> $GITHUB_OUTPUT
      env:
        CHANGED_FILE_PATHS: ${{ steps.get-changed-files.outputs.changed_files }}

    - name: Get Slack user groups
      id: get-slack-groups
      if: contains(inputs.output-type, 'slack_group')
      shell: bash
      run: echo slack_groups=$(node script/github-actions/get-changed-apps.js --output-type slack-group -d "${{ inputs.delimiter }}") >> $GITHUB_OUTPUT
      env:
        CHANGED_FILE_PATHS: ${{ steps.get-changed-files.outputs.changed_files }}

    - name: Get URLs
      id: get-urls
      if: contains(inputs.output-type, 'url')
      shell: bash
      run: echo urls=$(node script/github-actions/get-changed-apps.js --output-type url -d "${{ inputs.delimiter }}") >> $GITHUB_OUTPUT
      env:
        CHANGED_FILE_PATHS: ${{ steps.get-changed-files.outputs.changed_files }}

    - name: Check if continuous deployment is enabled
      id: check-continuous-deployment
      if: contains(inputs.output-type, 'continuous_deployment')
      shell: bash
      run: echo is_enabled=$(node script/github-actions/get-changed-apps.js --continuous-deployment) >> $GITHUB_OUTPUT
      env:
        CHANGED_FILE_PATHS: ${{ steps.get-changed-files.outputs.changed_files }}