Vibescript Showcase

Approval chain

Build a release approval process with states and deadlines.

Showcase

Edit the source, then Run. Checks start after your first Run. Ctrl/⌘ + Enter runs; Tab indents. Preview services use sample data and never contact a real service.

Sourceshowcase/workflows/approval_chain.vibe
type ApprovalChainResult = {
  change_id: string,
  checks_passed: bool,
  next_state: string,
  state: string,
  steps: array<{ due_at: string, due_in: string, label: string }>
}

type RunResult = { pending: ApprovalChainResult, ready: ApprovalChainResult }

enum ApprovalState
  Draft
  Review
  Approved
  Blocked
end

def next_state(state: ApprovalState, checks_passed: bool) -> ApprovalState
  if state == ApprovalState::Draft
    ApprovalState::Review
  elsif state == ApprovalState::Review && checks_passed
    ApprovalState::Approved
  elsif state == ApprovalState::Review
    ApprovalState::Blocked
  else
    state
  end
end

def approval_step(
  label: string,
  due_in: duration,
  opened_at: time
) -> { due_at: string, due_in: string, label: string }
  {
    label: label,
    due_in: due_in.iso8601,
    due_at: due_in.after(opened_at).format("2006-01-02T15:04:05Z")
  }
end

def approval_chain(
  change_id: string,
  state: ApprovalState,
  checks_passed: bool,
  opened_at: time
) -> ApprovalChainResult
  target_state = next_state(state, checks_passed)
  steps: array<{ due_at: string, due_in: string, label: string }> = []

  if state == ApprovalState::Draft
    steps.push(approval_step("peer review", 2.hours, opened_at))
  elsif state == ApprovalState::Review
    steps.push(approval_step("security review", 4.hours, opened_at))
    steps.push(approval_step("ops signoff", 8.hours, opened_at))
  else
    steps.push(approval_step("release", 30.minutes, opened_at))
  end

  {
    change_id: change_id,
    state: state.name,
    next_state: target_state.name,
    checks_passed: checks_passed,
    steps: steps
  }
end

def run -> RunResult
  opened_at = Time.at(1701000000)

  {
    pending: approval_chain("change_88", ApprovalState::Review, false, opened_at),
    ready: approval_chain("change_89", ApprovalState::Review, true, opened_at)
  }
end

Output

Click Run example to see the result.

Code checks

Run once to load the checker. Your code stays in this browser.