metabuilder/packages/ui_auth/seed/scripts/gate.lua

local check = require("check")
local M = {}

function M.check(ctx)
  if not ctx.user then
    return { allowed = false, reason = "not_authenticated", redirect = "/login" }
  end
  if ctx.requiredLevel and not check.can_access(ctx.user, ctx.requiredLevel) then
    return { allowed = false, reason = "insufficient_permission" }
  end
  return { allowed = true }
end

function M.wrap(ctx)
  local result = M.check(ctx)
  if not result.allowed then
    if result.redirect then
      return { type = "Redirect", props = { to = result.redirect } }
    end
    return { type = "AccessDenied", props = { reason = result.reason } }
  end
  return ctx.children
end

return M