calc_next_date.yml

# ## Summary
#
# Calculates a next date from the given arguments.

# ## Usage
#
# name: Calc next date
#
# on:
#   workflow_dispatch:
#
# jobs:
#   calc_next_weekly_date:
#     uses: route06/actions/.github/workflows/calc_next_date.yml@v2
#     with:
#       interval: weekly
#       target_day: wednesday
#
#   log_result:
#     runs-on: ubuntu-latest
#     needs: [calc_next_weekly_date]
#     steps:
#       - name: Log the calculated next date
#         run: |
#           echo "The next weekly date is: ${{ needs.calc_next_weekly_date.outputs.next_date }}"

name: Calc next date

on:
  workflow_call:
    inputs:
      interval:
        description: daily, weeklyのいずれかを指定してください。
        type: string
        required: true
      target_day:
        description: intervalがweeklyの時は必須です。対象曜日を指定してください。
        default: monday
        type: string
      time_zone:
        description: タイムゾーンを指定してください。
        default: "Asia/Tokyo"
        type: string
    outputs:
      next_date:
        description: yyyy/mm/dd形式で日付を返します。
        value: ${{ jobs.calc_next_date.outputs.next_date }}

jobs:
  calc_next_date:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    env:
      TZ: ${{ inputs.time_zone }}
    steps:
      - name: Run script
        id: calc_date
        run: |
          case "${{ inputs.interval }}" in
            "daily")
                next_date=$(date -d "tomorrow" +%Y/%m/%d)
                ;;
            "weekly")
                next_date=$(date -d "next ${{ inputs.target_day }}" +%Y/%m/%d)
                ;;
            *)
                echo "Invalid INTERVAL value"
                exit 1
                ;;
            esac
            echo "next_date=$next_date" >> "$GITHUB_OUTPUT"
    outputs:
      next_date: ${{ steps.calc_date.outputs.next_date }}