action.yml

name: Slack analyzer

author: Benjamin Wuethrich

description: Analyze a Slack workspace over time

branding:
  icon: list
  color: orange

inputs:

  name:
    description: Name used in file headings
    required: true

  slack-bot-token:
    description: Slack API bot token with users:read scope
    required: true

  slack-user-token:
    description: Slack API user token with search:read scope
    required: true

  telegram-to:
    description: Telegram channel ID
    required: false

  telegram-token:
    description: Telegram authorization token
    required: false

runs:

  using: composite

  steps:

    - name: Update tenures via Slack API
      shell: bash
      env:
        BOT_TOKEN: ${{ inputs.slack-bot-token }}
        USER_TOKEN: ${{ inputs.slack-user-token }}
      run: |
        if [[ -r data/corrections.csv ]]; then
            echo "Validating corrections file..." >&2
            '${{ github.action_path }}/scripts/corrtool' check \
                data/corrections.csv
        fi

        git config --global user.name 'github-actions'
        git config --global user.email \
            '41898282+github-actions[bot]@users.noreply.github.com'

        echo "::group::Run slacktenure script"
        '${{ github.action_path }}/scripts/slacktenure' '${{ inputs.name }}'
        echo "::endgroup::"

        files=(README.md tenuresduration.md)
        if [[ -n $(git status --porcelain -- "${files[@]}") ]]; then
            git add "${files[@]}"
            git commit --message="Update README stats table and durations"
            git push
        fi

        if [[ -z $(git status --porcelain) ]]; then
            echo "No new tenure data found" >&2
            exit 0
        fi

        git add data/tenures.tsv diffs *.md
        git commit --message="Update tenures"
        git push

        echo "Building diff message..." >&2

        shopt -s globstar

        diffs=(diffs/**/*.diff)
        diff=${diffs[-1]}

        ref=${{ github.ref }}
        ref=${ref##*/}
        baseurl="https://github.com/${{ github.repository }}/blob/$ref"
        links="[Diff]($baseurl/$diff)"
        links+=" • [All tenures]($baseurl/tenures.md)"
        links+=" • [Current tenures]($baseurl/tenurescurrent.md)"
        links+=" • [By duration]($baseurl/tenuresduration.md)"
        printf -v msg '%s\n' "$links" '' '```diff' "$(< "$diff")" '```'
        escapedmsg=$(jq --raw-input --slurp '.' <<< "$msg")

        printf '%s\n' "escapedmsg=$escapedmsg" 'continue=true' >> "$GITHUB_ENV"

    - name: Update boxplot
      shell: bash
      run: |
        echo "::group::Install gnuplot"
        sudo apt-get --quiet update
        sudo apt-get --quiet install gnuplot-nox
        echo "::endgroup::"

        echo "Updating boxplot..." >&2

        source '${{ github.action_path }}/scripts/slacktenure'

        prettyprintduration < data/tenures.tsv \
            | cut --fields=6 \
            | gnuplot '${{ github.action_path }}/scripts/durationboxplot.gpi'

        if [[ -z $(git status --porcelain) ]]; then
            echo "Boxplot hasn't changed" >&2
            exit 0
        fi

        git add boxplot.svg
        git commit --message="Update boxplot"
        git push

    - name: Update graph
      if: env.continue
      shell: bash
      run: |
        '${{ github.action_path }}/scripts/generateturnover' \
            data/tenures.tsv > data/turnover.tsv

        if [[ -z $(git status --porcelain) ]]; then
            echo "Turnover data hasn't changed, not recreating graph" >&2
            exit 0
        fi

        for type in svg png; do
            gnuplot -c '${{ github.action_path }}/scripts/turnover.gpi' "$type"
        done

        git add data/turnover.tsv turnover.svg
        git commit --message="Update graph"
        git push

        echo "graphpath=turnover.png" >> "$GITHUB_ENV"

    - name: Send Telegram message for change
      if: >-
        env.escapedmsg != ''
            && inputs.telegram-to != ''
            && inputs.telegram-token != ''
      uses: appleboy/telegram-action@v1.0.1
      with:
        to: ${{ inputs.telegram-to }}
        token: ${{ inputs.telegram-token }}
        format: markdown
        message: ${{ fromJSON(env.escapedmsg) }}

    - name: Send Telegram message for graph
      if: >-
        env.graphpath != ''
            && inputs.telegram-to != ''
            && inputs.telegram-token != ''
      uses: appleboy/telegram-action@v1.0.1
      with:
        to: ${{ inputs.telegram-to }}
        token: ${{ inputs.telegram-token }}
        photo: ${{ env.graphpath }}
        message: ' '