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api/schedules.go

@@ -5,9 +5,9 @@ import (
 	"fmt"
 	"io"
 	"log"
+	"math"
 	"net/http"
 	"net/url"
-	"sort"
 	"strconv"
 	"strings"
 	"time"
@@ -15,80 +15,79 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-const IDFM_BASEURL = "https://api-iv.iledefrance-mobilites.fr/"
-
-type IDFMRealTimeData struct {
-	LineId        string `json:"lineId"`
-	ShortName     string `json:"shortName"`
-	VehicleName   string `json:"vehicleName,omitempty"`
-	LineDirection string `json:"lineDirection"`
-	Sens          string `json:"sens,omitempty"`
-	Code          string `json:"code,omitempty"`
-	Time          string `json:"time"`
-	Schedule      string `json:"schedule"`
-	Destination   struct {
-		StopPointId string `json:"stopPointId"`
-		StopAreaId  string `json:"stopAreaId"`
-	} `json:"destination,omitempty"`
-	Source string `json:"source,omitempty"`
+type IDFMMonitoredStopVisit struct {
+	RecordedAtTime time.Time `json:"RecordedAtTime"`
+	ItemIdentifier string    `json:"ItemIdentifier"`
+	MonitoringRef  struct {
+		Value string `json:"value"`
+	} `json:"MonitoringRef"`
+	MonitoredVehicleJourney struct {
+		LineRef struct {
+			Value string `json:"value"`
+		} `json:"LineRef"`
+		OperatorRef struct {
+			Value string `json:"value"`
+		} `json:"OperatorRef"`
+		FramedVehicleJourneyRef struct {
+			DataFrameRef struct {
+				Value string `json:"value"`
+			} `json:"DataFrameRef"`
+			DatedVehicleJourneyRef string `json:"DatedVehicleJourneyRef"`
+		} `json:"FramedVehicleJourneyRef"`
+		DirectionName []struct {
+			Value string `json:"value"`
+		} `json:"DirectionName"`
+		DestinationRef struct {
+			Value string `json:"value"`
+		} `json:"DestinationRef"`
+		DestinationName []struct {
+			Value string `json:"value"`
+		} `json:"DestinationName"`
+		JourneyNote []struct {
+			Value string `json:"value"`
+		} `json:"JourneyNote"`
+		MonitoredCall struct {
+			StopPointName []struct {
+				Value string `json:"value"`
+			} `json:"StopPointName"`
+			VehicleAtStop      bool `json:"VehicleAtStop"`
+			DestinationDisplay []struct {
+				Value string `json:"value"`
+			} `json:"DestinationDisplay"`
+			ExpectedArrivalTime   time.Time `json:"ExpectedArrivalTime"`
+			ExpectedDepartureTime time.Time `json:"ExpectedDepartureTime"`
+			DepartureStatus       string    `json:"DepartureStatus"`
+		} `json:"MonitoredCall"`
+	} `json:"MonitoredVehicleJourney"`
 }
 
 type IDFMRealTime struct {
-	NextDepartures struct {
-		StatusCode   int                `json:"statusCode"`
-		ErrorMessage string             `json:"errorMessage"`
-		Data         []IDFMRealTimeData `json:"data"`
-	} `json:"nextDepartures"`
-	CrowdsourcingReports struct {
-		congestions []struct {
-			DirectionId     string `json:"directionId"`
-			NearTimeReports struct {
-				Rating *string `json:"rating"`
-			} `json:"nearTimeReports"`
-		} `json:"congestions"`
-	} `json:"crowdsourcingReports"`
-}
-
-type ByRealTime []IDFMRealTimeData
-
-func (s ByRealTime) Len() int {
-	return len(s)
-}
-
-func (s ByRealTime) Less(i, j int) bool {
-	if s[i].Sens == s[j].Sens {
-		nj, err := strconv.Atoi(s[j].Time)
-		if err != nil {
-			return false
-		}
-
-		ni, err := strconv.Atoi(s[i].Time)
-		if err != nil {
-			return true
-		}
-
-		return ni < nj
-	} else {
-		return s[i].Sens < s[j].Sens
-	}
-}
-
-func (s ByRealTime) Swap(i, j int) {
-	s[i], s[j] = s[j], s[i]
+	Siri struct {
+		ServiceDelivery struct {
+			ResponseTimestamp         time.Time `json:"ResponseTimestamp"`
+			ProducerRef               string    `json:"ProducerRef"`
+			ResponseMessageIdentifier string    `json:"ResponseMessageIdentifier"`
+			StopMonitoringDelivery    []struct {
+				ResponseTimestamp  time.Time                `json:"ResponseTimestamp"`
+				Version            string                   `json:"Version"`
+				Status             string                   `json:"Status"`
+				MonitoredStopVisit []IDFMMonitoredStopVisit `json:"MonitoredStopVisit"`
+			} `json:"StopMonitoringDelivery"`
+		} `json:"ServiceDelivery"`
+	} `json:"siri"`
 }
 
 type PGSchedule struct {
 	Destination string `json:"destination"`
 	Message     string `json:"message"`
-	Code        string `json:"code,omitempty"`
 }
 
 func convertLineCode(code string) string {
-	return strings.TrimSuffix(strings.Replace(code, "STIF:Line::", "IDFM:", 1), ":")
+	return strings.TrimSuffix(code, ":")
 }
 
-func getRealTime(code, station string) (*IDFMRealTime, error) {
-	rurl, err := url.JoinPath(IDFM_BASEURL, "lines", code, "stops", station, "realTime")
+func getRealTime(code string, stations []string) ([]IDFMMonitoredStopVisit, error) {
+	rurl, err := url.JoinPath(IDFM_BASEURL, "stop-monitoring")
 	if err != nil {
 		return nil, err
 	}
@@ -98,101 +97,108 @@ func getRealTime(code, station string) (*IDFMRealTime, error) {
 		return nil, err
 	}
 
-	reqquery := url.Values{}
-	reqquery.Add("MonitoringRef", station)
-	requrl.RawQuery = reqquery.Encode()
+	var stops []IDFMMonitoredStopVisit
+	for _, station := range stations {
+		reqquery := url.Values{}
+		reqquery.Add("MonitoringRef", station)
+		reqquery.Add("LineRef", "STIF:Line::"+code+":")
+		requrl.RawQuery = reqquery.Encode()
 
-	req, err := http.NewRequest("GET", requrl.String(), nil)
-	if err != nil {
-		return nil, err
+		req, err := http.NewRequest("GET", requrl.String(), nil)
+		if err != nil {
+			return stops, err
+		}
+
+		req.Header.Add("Accept", "application/json")
+		req.Header.Add("apikey", IDFM_TOKEN)
+
+		res, err := http.DefaultClient.Do(req)
+		if err != nil {
+			return stops, err
+		}
+		defer res.Body.Close()
+
+		if res.StatusCode >= 400 {
+			v, _ := io.ReadAll(res.Body)
+			log.Println("Schedule not found: ", string(v))
+			return nil, fmt.Errorf("Schedule not found")
+		}
+
+		var schedules IDFMRealTime
+		dec := json.NewDecoder(res.Body)
+		if err = dec.Decode(&schedules); err != nil {
+			return stops, err
+		}
+
+		for _, smd := range schedules.Siri.ServiceDelivery.StopMonitoringDelivery {
+			stops = append(stops, smd.MonitoredStopVisit...)
+		}
 	}
 
-	req.Header.Add("Accept", "application/json")
-	req.Header.Add("apikey", IDFM_TOKEN)
-
-	res, err := http.DefaultClient.Do(req)
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-
-	if res.StatusCode >= 400 {
-		v, _ := io.ReadAll(res.Body)
-		log.Println("Schedule not found: ", string(v))
-		return nil, fmt.Errorf("Schedule not found")
-	}
-
-	var schedules IDFMRealTime
-
-	dec := json.NewDecoder(res.Body)
-	if err = dec.Decode(&schedules); err != nil {
-		return nil, err
-	}
-
-	if schedules.NextDepartures.StatusCode >= 400 {
-		log.Println("Schedule not found: ", schedules)
-		return nil, fmt.Errorf("Schedule not found: %s", schedules.NextDepartures.ErrorMessage)
-	}
-
-	return &schedules, nil
+	return stops, nil
 }
 
 func declareSchedulesRoutes(router *gin.RouterGroup) {
 	router.GET("/schedules/:type/:code/:station/:way", func(c *gin.Context) {
 		t := convertLineType(string(c.Param("type")))
-		code := convertCode(t, string(c.Param("code")))
+		code := searchLine(t, string(c.Param("code")))
 		station := string(c.Param("station"))
 		way := string(c.Param("way"))
 
-		if !strings.HasPrefix(code, "line:IDFM:") {
-			if len(code) != 6 || !strings.HasPrefix(code, "C") {
-				code = searchLine(t, code)
-			}
-
-			code = "line:IDFM:" + code
-		}
-
-		if !strings.HasPrefix(station, "stop_area:IDFM:") {
+		var stations []string
+		if !strings.HasPrefix(station, "STIF:Stop") {
 			if _, err := strconv.ParseInt(station, 10, 64); err != nil {
-				station, err = searchStation(code, station)
+				stations, err = searchStation(code, station)
 				if err != nil {
 					c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": err.Error()})
 					return
 				}
 			} else {
-				station = "stop_area:IDFM:" + station
+				stations = []string{"STIF:StopArea:IDFM:SP:" + station + ":"}
+			}
+		} else {
+			stations = []string{station}
+		}
+
+		if way != "A+R" && len(stations) == 2 {
+			if way == "A" {
+				stations = []string{stations[0]}
+			} else {
+				stations = []string{stations[1]}
 			}
 		}
 
-		log.Println("search", code, station)
-		schedules, err := getRealTime(code, station)
+		schedules, err := getRealTime(code, stations)
 		if err != nil {
 			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": err.Error()})
 			return
 		}
 
-		sort.Sort(ByRealTime(schedules.NextDepartures.Data))
-
 		pgs := []PGSchedule{}
-		for _, vehicule := range schedules.NextDepartures.Data {
-			if (way == "A" && vehicule.Sens == "1") || (way == "R" && vehicule.Sens == "-1") {
-				continue
-			}
+		for _, vehicule := range schedules {
+			msg := vehicule.MonitoredVehicleJourney.MonitoredCall.ExpectedDepartureTime.String()
 
-			msg := vehicule.Time + " mn"
-
-			if vehicule.Code == "message" {
-				msg = vehicule.Schedule
-			} else if t == "rail" {
-				if n, err := strconv.Atoi(vehicule.Time); err == nil {
-					msg = time.Now().Add(time.Duration(n) * time.Minute).Format("15:04")
+			if t == "metro" || t == "bus" || t == "noctiliens" || t == "tramway" {
+				if vehicule.MonitoredVehicleJourney.MonitoredCall.VehicleAtStop {
+					if t == "metro" {
+						msg = "Train à quai"
+					} else {
+						msg = "A l'arret"
+					}
+				} else if time.Until(vehicule.MonitoredVehicleJourney.MonitoredCall.ExpectedDepartureTime) < 0 {
+					if t == "metro" {
+						msg = "Train retardé"
+					} else {
+						msg = "…"
+					}
+				} else {
+					msg = fmt.Sprintf("%d mn", int(math.Floor(time.Until(vehicule.MonitoredVehicleJourney.MonitoredCall.ExpectedDepartureTime).Minutes())))
 				}
 			}
 
 			pgs = append(pgs, PGSchedule{
-				Destination: vehicule.LineDirection,
+				Destination: vehicule.MonitoredVehicleJourney.MonitoredCall.DestinationDisplay[0].Value,
 				Message:     msg,
-				Code:        vehicule.VehicleName,
 			})
 		}