从Stripe提取计划

Question

如何从Stripe的invoice.payment_succeeded webhook事件中检索Rails中的计划ID？

我试过下面的代码，但继续获取计划是零错误。

plan_id = event.data.object.lines.data[1].plan.id

这是网络挂钩事件。

{
  "id"=>"evt_111111111",
  "created"=>1207343135,
  "livemode"=>true,
  "type"=>"invoice.payment_succeeded",
  "data"=>{
    "object"=>{
      "date"=>2437418246,
      "id"=>"in_......",
      "period_start"=>1406044997,
      "period_end"=>1437238559,
      "lines"=>{
        "object"=>"list",
        "total_count"=>1,
        "has_more"=>false,
        "url"=>"/v1/invoices/in_...../lines",
        "data"=>[
          {
            "id"=>"sub_.....",
            "object"=>"line_item",
            "type"=>"subscription",
            "livemode"=>true,
            "amount"=>29900,
            "currency"=>"cad",
            "proration"=>false,
            "period"=>{
              "start"=>2437418246,
              "end"=>2437418246
            },
            "quantity"=>1,
            "plan"=>{
              "interval"=>"month",
              "name"=>"Business",
              "created"=>2437446,
              "amount"=>19900,
              "currency"=>"cad",
              "id"=>"P3",
              "object"=>"plan",
              "livemode"=>true,
              "interval_count"=>1,
              "trial_period_days"=>7,
              "metadata"=>{},
              "statement_description"=>nil
            },
            "description"=>nil,
            "metadata"=>{}
          }
        ],
        "count"=>1
      },
      "subtotal"=>19900,
      "total"=>19900,
      "customer"=>"cus_.....",
      "object"=>"invoice",
      "attempted"=>true,
      "closed"=>true,
      "forgiven"=>false,
      "paid"=>true,
      "livemode"=>true,
      "attempt_count"=>1,
      "amount_due"=>19900,
      "currency"=>"cad",
      "starting_balance"=>0,
      "ending_balance"=>0,
      "next_payment_attempt"=>nil,
      "webhooks_delivered_at"=>14022ert61,
      "charge"=>"ch_......",
      "discount"=>nil,
      "application_fee"=>nil,
      "subscription"=>"sub_......",
      "metadata"=>{},
      "statement_description"=>nil,
      "description"=>nil
    }
  },
  "object"=>"event",
  "pending_webhooks"=>1,
  "request"=>nil,
  "webhook"=>{
    "id"=>"evt_....."
  }
}

Answer 1

您似乎在data列表中只有一个项目。

请注意，Ruby中的数组从索引0开始。

我相信您会希望将data[1]更改为data[0] 。

注意 ，如果data列表可能为空，这仍然会中断。