/
distance.go
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/
distance.go
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package isutraindb
import (
"fmt"
"math"
)
var distanceMap = map[string]float64{
"東京": 0.000000,
"古岡": 12.745608,
"絵寒町": 32.107649,
"沙芦公園": 45.037138,
"形顔": 52.773422,
"油交": 60.930427,
"通墨山": 72.915666,
"初野": 80.517696,
"樺威学園": 96.053004,
"塩鮫公園": 112.665386,
"山田": 119.444708,
"表岡": 131.462232,
"並取": 149.826976,
"細野": 166.909255,
"住郷": 182.323457,
"管英": 188.887999,
"気川": 207.599747,
"桐飛": 217.900353,
"樫曲町": 229.697609,
"依酒山": 244.770170,
"堀切町": 251.948590,
"葉千": 269.009280,
"奥山": 275.384825,
"鯉秋寺": 284.952294,
"伍出": 291.499545,
"杏高公園": 310.086023,
"荒川": 325.553902,
"磯川": 334.561908,
"茶川": 343.842013,
"八実学園": 355.192588,
"梓金": 374.584703,
"鯉田": 381.847874,
"鳴門": 393.244289,
"曲徳町": 411.802367,
"彩岬山": 420.375925,
"根永": 428.829478,
"鹿近川": 445.676144,
"結広": 457.246917,
"庵金公園": 474.044387,
"近岡": 487.270404,
"威香": 504.163580,
"名古屋": 519.612391,
"錦太学園": 531.408202,
"和錦台": 548.584849,
"稲冬台": 554.215596,
"松港山": 572.885503,
"甘桜": 584.344724,
"根左海岸": 603.713433,
"島威寺": 614.711098,
"月朱野": 633.406177,
"芋呉川": 640.097895,
"木南": 657.573946,
"鳩平ヶ丘": 677.211495,
"維荻学園": 689.581633,
"保池": 696.405431,
"九野": 711.087956,
"桜田": 728.268005,
"霞苑野": 735.983348,
"夷太寺": 744.581560,
"甘野": 751.340202,
"遠山": 770.125141,
"銀正": 788.163214,
"末国": 799.939778,
"泉別川": 807.476895,
"京都": 819.772794,
"桜内": 833.349255,
"荻葛ヶ丘": 839.298450,
"雨墨": 853.080719,
"桂綾寺": 863.842723,
"宇治": 869.266132,
"塚手海岸": 878.247393,
"垣通海岸": 893.724394,
"雨稲ヶ丘": 900.098745,
"森果川": 909.518544,
"舟田": 919.249073,
"形利": 938.540025,
"午万台": 954.151248,
"早森野": 966.498192,
"桐氷野": 975.568259,
"条川": 990.339004,
"菊岡": 1005.597665,
"大阪": 1024.983484,
}
// GetDistance は２駅間の距離を取得します
func getDistance(from, to string) (float64, error) {
fromPos, ok := distanceMap[from]
if !ok {
return -1, fmt.Errorf("%s ~ %s の距離算出に失敗. fromが不正です", from, to)
}
toPos, ok := distanceMap[to]
if !ok {
return -1, fmt.Errorf("%s ~ %s の距離算出に失敗. toが不正です", from, to)
}
return math.Abs(toPos - fromPos), nil
}
// GetDistanceFare は距離運賃を取得します
func GetDistanceFare(from, to string) (int, error) {
distance, err := getDistance(from, to)
if err != nil {
return -1, err
}
switch {
case distance > 0 && distance < 50:
return 2500, nil
case distance > 50 && distance < 75:
return 3000, nil
case distance > 75 && distance < 100:
return 3700, nil
case distance > 100 && distance < 150:
return 4500, nil
case distance > 150 && distance < 200:
return 5200, nil
case distance > 200 && distance < 300:
return 6000, nil
case distance > 300 && distance < 400:
return 7200, nil
case distance > 400 && distance < 500:
return 8300, nil
case distance > 500 && distance < 1000:
return 12000, nil
case distance > 1000:
return 20000, nil
default:
return -1, fmt.Errorf("%s ~ %s 間の距離が不正です", from, to)
}
}
// StopInfo は駅に停車するフラグ情報です
type StopInfo struct {
IsStopExpress bool
IsStopSemiExpress bool
IsStopLocal bool
}
var stopInfoMap = map[string]*StopInfo{
"東京": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
"古岡": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"絵寒町": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"沙芦公園": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"形顔": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"油交": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
"通墨山": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"初野": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"樺威学園": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"塩鮫公園": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"山田": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"表岡": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"並取": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"細野": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"住郷": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"管英": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"気川": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"桐飛": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"樫曲町": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"依酒山": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"堀切町": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"葉千": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"奥山": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"鯉秋寺": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"伍出": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"杏高公園": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"荒川": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
"磯川": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"茶川": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"八実学園": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"梓金": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"鯉田": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"鳴門": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"曲徳町": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"彩岬山": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"根永": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"鹿近川": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"結広": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"庵金公園": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"近岡": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"威香": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"名古屋": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
"錦太学園": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"和錦台": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"稲冬台": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"松港山": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"甘桜": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"根左海岸": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"島威寺": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"月朱野": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"芋呉川": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"木南": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"鳩平ヶ丘": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"維荻学園": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"保池": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"九野": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"桜田": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"霞苑野": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"夷太寺": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"甘野": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"遠山": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"銀正": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"末国": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"泉別川": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"京都": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
"桜内": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"荻葛ヶ丘": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"雨墨": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"桂綾寺": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"宇治": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
"塚手海岸": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"垣通海岸": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"雨稲ヶ丘": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"森果川": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
"舟田": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"形利": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"午万台": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"早森野": &StopInfo{IsStopExpress: false, IsStopSemiExpress: false, IsStopLocal: true},
"桐氷野": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"条川": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
"菊岡": &StopInfo{IsStopExpress: false, IsStopSemiExpress: true, IsStopLocal: true},
"大阪": &StopInfo{IsStopExpress: true, IsStopSemiExpress: true, IsStopLocal: true},
}
// GetStopInfo は、駅に停車するフラグ情報を返します
func GetStopInfo(station string) (isStopExpress, isStopSemiExpress, isStopLocal bool, err error) {
stopInfo, ok := stopInfoMap[station]
if !ok {
return false, false, false, fmt.Errorf("駅 %s が見つからないため、停車情報を取得できませんでした", station)
}
return stopInfo.IsStopExpress, stopInfo.IsStopSemiExpress, stopInfo.IsStopLocal, nil
}