付款重定向网址模板

预订具有特定价格的可用性空档后，系统会使用您定义的网址将用户重定向到预订页面。提供的步骤将向您展示如何执行以下操作：

  1. 定义网址模板。
  2. 在 Feed 中设置网址模板。
  3. 按可用性空档启用 Linkout。

1. 定义网址模板。

URI 模板遵循互联网工程任务组 (IETF) RFC6570 第 2 级 URI 模板规范。如需了解详情，请访问 datatracker.ietf.org。您可以使用与该预留相关的信息动态填充参数来设置此网址。下表包含适用于您的 URI 模板的必需参数和可选参数。

`https://reservation-provider.com/examplerestaurant/book?date={availability_slot_start_seconds}&num_guests={resources_party_size}`

网址模板的可用值

模板参数 必需 / 可选 信息流 字段 示例值
availability_slot_start_seconds 必需 库存状况 start_sec 4152695841
resources_party_size 必需 availability.resources party_size 2
availability_slot_availability_tag 可选 库存状况 availability_tag res-123
availability_slot_duration_seconds 可选 库存状况 duration_sec 3600
resources_room_id 可选 availability.resources room_id bar_123

2. 在 Feed 中设置 URI 模板。

以下部分假定您已经与现有服务 Feed 进行实时端到端集成。您定义的网址将在服务 Feed 中设置，以下是该字段的定义。

message Service {
  // ..
  UriTemplate uri_template = 38;
}

URI 模板定义

// A template specifying how Google should generate URLs to external site.
message UriTemplate {
  // The uri template must follow the RFC6570, see
  // https://datatracker.ietf.org/doc/html/rfc6570.
  // Supports Level 2 templates.
  // These parameters will be resolved to their values specified in their
  // respective entities.
  //
  // 5 available parameters for Dining Reservation Linkout:
  // 1) (required) {availability_slot_start_seconds} :: populated from start_sec
  //   field in availability feed
  // 2) (required) {availability_slot_duration_seconds} :: populated from
  //   duration_sec field in availability feed
  // 3) (optional) {resources_party_size} :: populated from party_size field in
  //   availability feed
  // 4) (optional) {availability_availability_tag} :: populated from
  //   availability_tag field in availability feed
  // 5) (optional) {resources_room_id} :: populated from room_id field in
  //   availability feed
  //
  // Example usage:
  // http://example.com/book/restaurant?start={availability_slot_start_seconds}
  // &num_guests={resources_party_size}
  // * start_sec = 123456
  // * party_size = 2
  // https://example.com/book/restaurant?start=123456&num_guests=2
  string uri_template = 1;
}

服务示例定义

{
  "metadata": {
    "processing_instruction": "PROCESS_AS_COMPLETE",
    "shard_number": 0,
    "total_shards": 1,
    "nonce": "12484913",
    "generation_timestamp": 1530432018
  },
  "service": [
    {
      "merchant_id": "dining-A",
      "service_id": "reservation",
      "uri_template": {
        "uri_template": "https://reservation-provider.com/examplerestaurant/book?date={availability_slot_start_seconds}&num_guests={resources_party_size}"
      },
      "localized_service_name": {
        "value": "Reservation",
        "localized_value": [
          {
            "locale": "en",
            "value": "Reservation"
          }
        ]
      }
    }
  ]
}

以下部分假定您已经与现有可用性 Feed 进行实时端到端集成。在服务 Feed 中设置网址模板后，您需要指定必须关联哪个可用性空档。

为此，您可以添加 linkout_required_reason 字段，并将其值设为 PAYMENT_REQUIRED。

链接原因定义

message Availability {
  // ..
  LinkoutRequiredReason linkout_required_reason = 19;
}

  // The reason why a slot requires a linkout. Currently only used for Dining
  // Reservations Payment Redirect Partners.
  enum LinkoutRequiredReason {
    // Default value: Do not use, equates to unknown.
    LINKOUT_REQUIRED_REASON_UNSPECIFIED = 0;
    // Slot requires payment in the partner platform to be booked.
    PAYMENT_REQUIRED = 1;
  }

链接原因示例定义

{
  "metadata": {
    "processing_instruction": "PROCESS_AS_COMPLETE",
    "shard_number": 0,
    "total_shards": 1,
    "nonce": "11203880",
    "generation_timestamp": 1543875200
  },
  "service_availability": [
    {
      "availability": [
        {
          "merchant_id": "dining-A",
          "service_id": "reservation",
          "linkout_required_reason": "PAYMENT_REQUIRED",
          "start_sec": 1535853600,
          "duration_sec": 2700,
          "spots_total": 2,
          "spots_open": 2,
          "resources": {
            "room_id": "A-dining-room",
            "room_name": "Dining Room",
            "party_size": 2
          }
        }
      ]
    }
  ]
}