這個方法會提供指定行程的票務群組。這些項目包含一組選定服務艙等的航段，可預訂在同一張機票上，以及整張機票的票價和供應情形資訊。請注意：
- 所有 ticketing_.*_id (SegmentKey 的一部分) 都會參照 Google 大眾運輸票務擴充功能中提供的 ID。
- 這些 ID 必須穩定，且任何變更都必須回溯相容，如 GTFS 整合需求所述。
GetTripOptionsRequest
Proto 定義
// Request sent to partners. message GetTripOptionsRequest { // All segments together should form a single trip for which a ticket can be // booked. repeated ext.travel.transport.partner.SegmentKey segment_keys = 1; }
JSON 範例
{ "segment_keys": [ { "ticketing_trip_id": "123456", "from_ticketing_stop_time_id": "ZRH-1234", "to_ticketing_stop_time_id": "LUZ-1235", "service_date": { "year": 2022, "month": 4, "day": 6 }, "boarding_time": { "year": 2022, "month": 4, "day": 6, "hours": 14, "minutes": 25, "seconds": 0, "nanos": 0, "utc_offset": "0s" }, "arrival_time": { "year": 2022, "month": 4, "day": 6, "hours": 16, "minutes": 25, "seconds": 0, "nanos": 0, "utc_offset": "0s" } }, { "ticketing_trip_id": "234567", "from_ticketing_stop_time_id": "LUZ-2759", "to_ticketing_stop_time_id": "WOL-2455", "service_date": { "year": 2022, "month": 4, "day": 6 }, "boarding_time": { "year": 2022, "month": 4, "day": 6, "hours": 18, "minutes": 13, "seconds": 0, "nanos": 0, "utc_offset": "0s" }, "arrival_time": { "year": 2022, "month": 4, "day": 6, "hours": 20, "minutes": 13, "seconds": 0, "nanos": 0, "utc_offset": "0s" } } ] }
GetTripOptionsResponse
Proto 定義
// Response received from partners. message GetTripOptionsResponse { oneof response { TripOptionsResult trip_options_result = 1; TripOptionsError trip_options_error = 2; } } // A successful partner response. message TripOptionsResult { // Note: // - A TripOption represents the fare for a combination of available service // classes for the segments in the request. // - If the seats within a service class are sold at different fares of // limited availability, a different TripOption instance with the same // sequence of segments can be returned for each fare. // Partners should also include options that are unavailable because they are // fully booked, using the appropriate Unavailable message below. repeated TripOption trip_options = 1; } // A travel option for users covering the whole end-to-end journey with the // partner. message TripOption { // A series of Segments that cover the whole trip option, one for each // SegmentKey in the request. repeated Segment segments = 1; // This is the lowest standard fare of all seats with the specified segments. // This field is optional if the series of segments is unavailable. // This "standard fare" should be the lowest seat price where no age or other // booking restrictions apply. The currency should be the local currency of // the origin of the first segment. Fare lowest_standard_fare = 2; // The availability status for bookings of this trip option at the // lowest_standard_fare. Availability availability = 3; // This is used to receive optional extra data via the Travel Transport API // and pass it into the ticketing deep link. // Booking links should still work without the booking token, but the token // can be used to ensure price consistency between Google Search results and // the partner booking page. string booking_token = 4 [features.field_presence = EXPLICIT]; } // A segment traveled on a single vehicle in a given Service Class. message Segment { SegmentKey segment_key = 1; // The service class used on this segment. ServiceClass service_class = 2; }
JSON 範例
{ "trip_options_result": { "trip_options": [ { "segments": [ { "segment_key": { "ticketing_trip_id": "123456", "from_ticketing_stop_time_id": "ZRH-1234", "to_ticketing_stop_time_id": "LUZ-1235", "service_date": { "year": 2022, "month": 4, "day": 6 }, "boarding_time": { "year": 2022, "month": 4, "day": 6, "hours": 14, "minutes": 25, "seconds": 0, "utc_offset": "0s" }, "arrival_time": { "year": 2022, "month": 4, "day": 6, "hours": 16, "minutes": 25, "seconds": 0, "utc_offset": "0s" } }, "service_class": { "type": "FIRST_CLASS" } }, { "segment_key": { "ticketing_trip_id": "234567", "from_ticketing_stop_time_id": "LUZ-2759", "to_ticketing_stop_time_id": "WOL-2455", "service_date": { "year": 2022, "month": 4, "day": 6 }, "boarding_time": { "year": 2022, "month": 4, "day": 6, "hours": 18, "minutes": 13, "seconds": 0, "utc_offset": "0s" }, "arrival_time": { "year": 2022, "month": 4, "day": 6, "hours": 20, "minutes": 13, "seconds": 0, "utc_offset": "0s" } }, "service_class": { "type": "FIRST_CLASS" } } ], "lowest_standard_fare": { "total_amount": { "units": 15, "nanos": 0, "currency_code": "CHF" }, "line_items": [ { "line_item_type": "BASE_FARE", "amount": { "units": 13, "nanos": 950000000, "currency_code": "CHF" } }, { "line_item_type": "SERVICE_CHARGE", "amount": { "units": 1, "nanos": 50000000, "currency_code": "CHF" } } ] }, "availability": { "available": { "available_seat_count": 10, "total_seat_count": 30 } } }, { "segments": [ { "segment_key": { "ticketing_trip_id": "123456", "from_ticketing_stop_time_id": "ZRH-1234", "to_ticketing_stop_time_id": "LUZ-1235", "service_date": { "year": 2022, "month": 4, "day": 6 }, "boarding_time": { "year": 2022, "month": 4, "day": 6, "hours": 14, "minutes": 25, "seconds": 0, "utc_offset": "0s" }, "arrival_time": { "year": 2022, "month": 4, "day": 6, "hours": 16, "minutes": 25, "seconds": 0, "utc_offset": "0s" } }, "service_class": { "type": "SECOND_CLASS" } }, { "segment_key": { "ticketing_trip_id": "234567", "from_ticketing_stop_time_id": "LUZ-2759", "to_ticketing_stop_time_id": "WOL-2455", "service_date": { "year": 2022, "month": 4, "day": 6 }, "boarding_time": { "year": 2022, "month": 4, "day": 6, "hours": 18, "minutes": 13, "seconds": 0, "utc_offset": "0s" }, "arrival_time": { "year": 2022, "month": 4, "day": 6, "hours": 20, "minutes": 13, "seconds": 0, "utc_offset": "0s" } }, "service_class": { "type": "SECOND_CLASS" } } ], "lowest_standard_fare": { "total_amount": { "units": 10, "nanos": 0, "currency_code": "CHF" }, "line_items": [ { "line_item_type": "BASE_FARE", "amount": { "units": 9, "nanos": 750000000, "currency_code": "CHF" } }, { "line_item_type": "SERVICE_CHARGE", "amount": { "units": 0, "nanos": 250000000, "currency_code": "CHF" } } ] }, "availability": { "available": { "available_seat_count": 44, "total_seat_count": 200 } } } ] } }
JSON 錯誤範例
{ "trip_options_error": { "error_type": "SEGMENT_KEY_NOT_FOUND", "error_message": "No matching segments found, no departures at 14:25" } }
API 導入注意事項：
為確保與潛在變更回溯相容，如果在區隔鍵中遇到其他參數，請一律在回應中傳回這些參數。否則請忽略這些參數，並將要求視為沒有這些參數，直到您實作這些參數的特定支援為止。
錯誤回應
下表說明這個方法的回報錯誤期望值：
| 錯誤類型 | 可重試 | HTTP 狀態碼 | 說明 |
|---|---|---|---|
SEGMENT_KEY_NOT_FOUND |
否 | 404 | 找不到與其中一個提供的 SegmentKey 相對應的區隔。 |
TRIP_OPTION_CACHE_STALE |
是 | 404 | 合作夥伴的資料並非最新狀態，需要重新整理才能提供給 Google。 |
INTERNAL_ERROR |
是 | 500 | 擷取這趟行程時發生未預期的錯誤。這表示合作夥伴需要修正錯誤。 |
SUBOPTIMAL_ITINERARY |
否 | 404 | 系統已找到行程，但合作夥伴認為不夠理想，因此選擇不販售該行程的車票。 |
TICKETING_PROHIBITED |
否 | 404 | 系統已找到行程，但由於營運商或鐵路主管機關的一般售票限制，合作夥伴不得販售該行程的票券。 |
BOOKING_WINDOW_NOT_SUPPORTED |
否 | 404 | 合作夥伴不支援所要求日期的行程價格。 |
詳情請參閱TripOptionsErrorType
如要瞭解 HTTP 回應中傳回的狀態碼，請參閱「狀態碼和錯誤處理」。