Add debug script for most headsigns

mostHeadsigns.ts

@@ -0,0 +1,149 @@
+export type TimetableEntry = {
+  time: string;
+  exceptions: {
+    id: string;
+  }[];
+};
+
+export type TimetablePeriod = {
+  period_id: string;
+  period_name: string;
+  weekdays: TimetableEntry[];
+  saturdays: TimetableEntry[];
+  sundays_holidays: TimetableEntry[];
+};
+
+export type Timetable = {
+  periods: TimetablePeriod[],
+  exceptions: {
+    id: string;
+    label: string;
+    text: string;
+  }[];
+  patternForDisplay: string;
+  secondaryPatterns: string[];
+};
+
+export type Pattern = {
+  id: string
+  line_id: string
+  route_id: string
+  short_name: string
+  direction: number
+  headsign: string
+  color: string
+  text_color: string
+  valid_on: string[]
+  municipalities: string[]
+  localities: string[]
+  facilities: any[]
+  shape_id: string
+  path: Path[]
+  trips: Trip[]
+}
+
+export type Path = {
+  stop: Stop
+  stop_sequence: number
+  allow_pickup: boolean
+  allow_drop_off: boolean
+  distance_delta: number
+}
+
+export type Stop = {
+  id: string
+  name: string
+  short_name: any
+  tts_name: string
+  lat: string
+  lon: string
+  locality: string
+  parish_id: string|null
+  parish_name: string|null
+  municipality_id: string
+  municipality_name: string
+  district_id: string
+  district_name: string
+  region_id: string
+  region_name: string
+  wheelchair_boarding: any
+  facilities: Facility[]
+  lines: string[]
+  routes: string[]
+  patterns: string[]
+}
+
+export type Trip = {
+  id: string
+  calendar_id: string
+  calendar_description: string
+  dates: string[]
+  schedule: Schedule[]
+}
+
+export type Schedule = {
+  stop_id: string
+  stop_sequence: number
+  arrival_time: string
+  arrival_time_operation: string
+  travel_time: string
+}
+
+export enum Facility {
+	NEAR_HEALTH_CLINIC = 'near_health_clinic',
+	NEAR_HOSPITAL = 'near_hospital',
+	NEAR_UNIVERSITY = 'near_university',
+	NEAR_SCHOOL = 'school',
+	NEAR_POLICE_STATION = 'near_police_station',
+	NEAR_FIRE_STATION = 'near_fire_station',
+	NEAR_SHOPPING = 'shopping',
+	NEAR_HISTORIC_BUILDING = 'near_historic_building',
+	NEAR_TRANSIT_OFFICE = 'transit_office',
+	LIGHT_RAIL = 'light_rail',
+	SUBWAY = 'subway',
+	TRAIN = 'train',
+	BOAT = 'boat',
+	AIRPORT = 'airport',
+	BIKE_SHARING = 'bike_sharing',
+	BIKE_PARKING = 'bike_parking',
+	CAR_PARKING = 'car_parking',
+}
+const API_URL = process.env.API_URL || 'http://localhost:5050';
+
+const index:{
+  updated_at: string;
+  pairs:string[] // `${line_id}/${direction_id}/${stop_id}`
+} = await fetch(`${API_URL}/timetables`).then(res => res.json());
+
+const lines:{[line:string]:string[]} = {}
+
+for (const pair of index.pairs) {
+  const [line_id, direction_id, stop_id] = pair.split('/');
+  if (!lines[line_id]) {
+    lines[line_id] = [];
+  }
+  lines[line_id].push(pair);
+}
+
+const patternsWithHeadsignCount:[string, number][] = [];
+
+let i = 0;
+for (const patterns in lines) {
+  console.log(`${++i}/${Object.values(lines).length}`)
+  const patternId = lines[patterns][0]
+  const timetableRes = await fetch(`${API_URL}/timetables/${patternId}`);
+  const timetable: Timetable = await timetableRes.json();
+  const patternURL = `${API_URL}/patterns/${timetable.patternForDisplay}`;
+  const patternRes = fetch(patternURL).then(patternRes => patternRes.json());
+  // console.log(timetable)
+  const secondaryPatternsPromise = Promise.all(timetable.secondaryPatterns.map(patternId => fetch(`${API_URL}/patterns/${patternId}`).then(patternRes => patternRes.json())));
+  // console.log(patternURL, timetable.secondaryPatterns.map(patternId => `${API_URL}/patterns/${patternId}`));
+
+  const [pattern, secondaryPatterns]:[ Pattern, Pattern[] ] = await Promise.all([patternRes, secondaryPatternsPromise]);
+  const headsigns = [pattern.headsign, ...secondaryPatterns.map(pattern => pattern.headsign)];
+  const headsignCount = new Set(headsigns).size;
+  patternsWithHeadsignCount.push([patternId, headsignCount]);
+}
+
+patternsWithHeadsignCount.sort((a, b) => b[1] - a[1]);
+console.log(patternsWithHeadsignCount);