v1

2026-06-13 20:42:03 +02:00
commit 58720611f7
12 changed files with 911 additions and 0 deletions
@@ -0,0 +1,164 @@
+const DAY_IN_MS = 8.64e+7;
+
+class StopId {
+    constructor(stopIdString){
+        let [lineId, direction, stopId] = stopIdString.split(/\//)
+        this.lineId = lineId
+        this.stopId = stopId
+        this.direction = direction
+    }
+}
+
+async function getNextTripJSON(stop_id){
+    let res = await fetch(`/api/interface/tcl/next-trips/stops/${encodeURIComponent(stop_id.stopId)}/${encodeURIComponent(stop_id.lineId)}/${stop_id.direction}`);
+    if(!res.ok){
+        throw new Error(`Server responded with ${res.status} ${res.statusText}`)
+    }
+
+    let result = await res.json();
+
+    if(!result.data){
+        throw new Error(`Stop ${stop_id.stopId} not found`)
+    }
+
+    return result.data[0]
+}
+
+async function getStopsJSON(stop_id){
+    let res = await fetch(`/api/interface/tcl/lines/${encodeURIComponent(stop_id.lineId)}/stops`);
+    if(!res.ok){
+        throw new Error(`Server responded with ${res.status} ${res.statusText}`)
+    }
+
+    let result = await res.json();
+
+    if(!result.data){
+        throw new Error(`Line ${stop_id.lineId} not found`)
+    }
+
+    return result.data
+}
+
+async function getTimetableJSON(stop_id, date){
+    let res = await fetch(`/api/interface/tcl/timetables/${encodeURIComponent(stop_id.stopId)}/${encodeURIComponent(stop_id.lineId)}/${stop_id.direction}?date=${date.getFullYear()}-${(date.getMonth()+1).toString().padStart(2, "0")}-${date.getDate().toString().padStart(2, "0")}`);
+    if(!res.ok){
+        throw new Error(`Server responded with ${res.status} ${res.statusText}`)
+    }
+
+    let result = await res.json();
+
+    if(!result.data){
+        throw new Error(`Timetable for ${stop_id.lineId} not found`)
+    }
+
+    return result.data
+}
+
+async function getLineDetailsJSON(stop_id){
+    let res = await fetch(`/api/interface/tcl/lines/${encodeURIComponent(stop_id.lineId)}`);
+    if(!res.ok){
+        throw new Error(`Server responded with ${res.status} ${res.statusText}`)
+    }
+
+    let result = await res.json();
+
+    if(!result.data){
+        throw new Error(`Line ${stop_id.lineId} not found`)
+    }
+
+    return result.data
+}
+
+function getIconURL(stop_id){
+    return new URL(`/api/valkyrie/assets/lines/${stop_id.lineId}.svg?type=image%2Fsvg%2Bxml`, window.location).toString()
+}
+
+async function getLineDetails(stop_id){
+    let line_json = await getLineDetailsJSON(stop_id)
+
+    let route = line_json.routes.find(it => it.direction == stop_id.direction)
+
+    let line = {
+        id: stop_id.lineId,
+        displayName: route?.name,
+        picto: getIconURL(stop_id),
+        name: line_json.code,
+        direction: route?.name,
+        timetable: null
+    }
+
+    return line
+}
+
+async function getTimetable(stop_id, date){
+    let timetable_json = await getTimetableJSON(stop_id, date)
+    
+    let timetable = []
+    for(let scheduled_time of timetable_json.scheduleTimes){
+        let time = new Date(scheduled_time.dateTime)
+        timetable.push({
+            displayHours: time.getHours().toString().padStart(2, "0"),
+            displayMinutes: time.getMinutes().toString().padStart(2, "0"),
+            displayTime: `${time.getHours().toString().padStart(2, "0")}h${time.getMinutes().toString().padStart(2, "0")}`,
+            time
+        })
+    }
+
+    return timetable
+}
+
+/**
+ * Get next Bus/Metro/Tram passage of given stop description
+ * @param {String} stop_description Stop description string
+ * 
+ * To get stop description go to https://carte-interactive.tcl.fr/public-transport/lines/
+ * then find your line and your stop in this line.
+ * Your URL must look like something like this
+ * https://carte-interactive.tcl.fr/public-transport/lines/line:SYTNEX:C/forward/stop_point:SYTNEX:10787
+ * Stop description is everything after "lines/" ("line:SYTNEX:C/forward/stop_point:SYTNEX:10787" in example above)
+ */
+export async function getNextPassage(stop_description, options = {
+    timetable: +2 // Today and tomorrow
+}){
+    let stopId = new StopId(stop_description);
+
+    let proms = [
+        getLineDetails(stopId),
+        getNextTripJSON(stopId),
+        getStopsJSON(stopId),
+        Promise.resolve([])
+    ]
+
+    let timeTableAmount = options?.timetable || +2;
+    if(timeTableAmount){
+        for(let dayOffset = 0; dayOffset<timeTableAmount; dayOffset++){
+            let now = new Date(Date.now()+(dayOffset*DAY_IN_MS))
+            proms.push(await getTimetable(stopId, now))
+        }
+    }
+
+    let [line, next_trip, line_stops, ...all_timetables] = await Promise.all(proms);
+    
+    console.log(stopId)
+    console.log("line", line)
+    console.log("next trip", next_trip)
+    console.log("stop", line_stops)
+    console.log("timetable", all_timetables)
+
+    let line_timetables = []
+    for(let timetable of all_timetables){
+        line_timetables.push(...timetable)
+    }
+    line.timetable = line_timetables
+
+    let stop = line_stops.find(it => it.id == stopId.stopId)
+
+    let nextPassage = {
+        line,
+        displayName: stop?.name,
+        displayTime: "<unsupported>",
+        time: next_trip.schedules?.[0] ? new Date(next_trip.schedules?.[0].dateTime) : null
+    }
+
+    return nextPassage
+}