Files
SIB/frontend/src/services/busStopsService.ts

251 lines
10 KiB
TypeScript

/** Service for bus stop-related API calls */
import { supabase } from '@/supabase'
import type { BusStop, Route } from '@/types'
// Map JS getDay() (0=Sun,6=Sat) to Spanish day names used in dias_operacion
const DAY_MAP: Record<number, string> = {
0: 'domingo',
1: 'lunes',
2: 'martes',
3: 'miercoles',
4: 'jueves',
5: 'viernes',
6: 'sabado'
}
/** Convert "HH:MM:SS" time string to total minutes since midnight */
function timeToMinutes(t: string): number {
const parts = t.split(':')
return parseInt(parts[0] || '0') * 60 + parseInt(parts[1] || '0')
}
/** Convert total minutes since midnight back to "HH:MM" string */
function minutesToTime(m: number): string {
const safeM = ((m % 1440) + 1440) % 1440 // wrap around midnight
const h = Math.floor(safeM / 60)
const min = safeM % 60
return `${h.toString().padStart(2, '0')}:${min.toString().padStart(2, '0')}`
}
export interface BusArrival {
routeName: string
routeId: string
arrivalTime: string // "HH:MM" when bus arrives at this stop
waitMinutes: number | null // null = no GPS, raw schedule shown
hasGps: boolean
departureTime: string // "HH:MM" when bus departs origin
alreadyPassed: boolean // true if bus has already passed this stop
}
export const busStopsService = {
/** Get all bus stops */
async getAllBusStops(): Promise<BusStop[]> {
const { data, error } = await supabase.from('bus_stops').select('id, name, latitude, longitude, city, address, stop_type, has_shelter, has_seating, is_accessible, created_at, updated_at')
if (error) throw new Error(error.message)
return data as BusStop[]
},
/** Get a single bus stop by ID */
async getBusStopById(id: string): Promise<BusStop> {
const { data, error } = await supabase.from('bus_stops').select('id, name, latitude, longitude, city, address, stop_type, has_shelter, has_seating, is_accessible, created_at, updated_at').eq('id', id).single()
if (error) throw new Error(error.message)
return data as BusStop
},
/** Get all routes passing through a bus stop */
async getBusStopRoutes(stopId: string): Promise<Route[]> {
const { data, error } = await supabase
.from('route_stops')
.select('routes(*)')
.eq('stop_id', stopId)
if (error) throw new Error(error.message)
// Extract the nested strictly typed route object automatically connected by Supabase relationships
return (data || []).map((row: any) => row.routes) as Route[]
},
/**
* Real-time bus arrival calculator for a specific stop.
*
* Logic:
* 1. Get all routes through this stop + their travel_time_minutes
* 2. Get route's origin_stop_id → get its travel_time_minutes as the "base"
* 3. Effective travel time = stop.travel_time - origin.travel_time (always >= 0)
* 4. arrivalAtStop = departure_time + effective_travel_time
* 5. With GPS: filter to future buses, return wait minutes
* Without GPS (option A): show raw schedule times for today
*/
async getNextBusesForStop(stopId: string, userLat?: number, userLng?: number): Promise<BusArrival[]> {
const hasGps = userLat !== undefined && userLng !== undefined
// ── STEP 1: Get route_stops entry for THIS stop on every route it belongs to ──
const { data: routeStopsData, error: rsError } = await supabase
.from('route_stops')
.select('route_id, travel_time_minutes, stop_delay_minutes')
.eq('stop_id', stopId)
if (rsError) throw new Error(rsError.message)
if (!routeStopsData || routeStopsData.length === 0) return []
const routeIds = routeStopsData.map((rs: any) => rs.route_id)
// Build a lookup: routeId → raw travel_time_minutes of THIS stop
const rawTravelTimeMap: Record<string, number> = {}
for (const rs of routeStopsData as any[]) {
rawTravelTimeMap[rs.route_id] = (rs.travel_time_minutes || 0) + (rs.stop_delay_minutes || 0)
}
// ── STEP 2: Get route metadata including origin_stop_id ──
const { data: routesData, error: routesError } = await supabase
.from('routes')
.select('id, name, origin_stop_id')
.in('id', routeIds)
if (routesError) throw new Error(routesError.message)
const routeNameMap: Record<string, string> = {}
const originStopIdMap: Record<string, string | null> = {} // routeId → origin_stop_id
for (const r of (routesData || []) as any[]) {
routeNameMap[r.id] = r.name
originStopIdMap[r.id] = r.origin_stop_id || null
}
// ── STEP 3: Get travel_time_minutes of the origin stop for each route ──
// This gives us the "base offset" so we can normalize travel times correctly.
// If origin_stop has travel_time=5 and user's stop has travel_time=30, effective = 25 min.
const originStopIds = [...new Set(Object.values(originStopIdMap).filter(Boolean))] as string[]
const originTravelTimeMap: Record<string, number> = {} // routeId → origin stop travel_time
if (originStopIds.length > 0) {
// Fetch travel_time_minutes for origin stops across all relevant routes
const { data: originRsData } = await supabase
.from('route_stops')
.select('route_id, stop_id, travel_time_minutes')
.in('route_id', routeIds)
.in('stop_id', originStopIds)
for (const ors of (originRsData || []) as any[]) {
// Match route to its origin stop
if (originStopIdMap[ors.route_id] === ors.stop_id) {
originTravelTimeMap[ors.route_id] = ors.travel_time_minutes || 0
}
}
}
// Compute EFFECTIVE travel time = user's stop travel_time - origin stop travel_time
// This is always >= 0 if the data is correct (origin is before the user's stop)
const effectiveTravelTimeMap: Record<string, number> = {}
for (const routeId of routeIds) {
const rawTime = rawTravelTimeMap[routeId] ?? 0
const originTime = originTravelTimeMap[routeId] ?? 0
effectiveTravelTimeMap[routeId] = Math.max(0, rawTime - originTime)
}
// ── STEP 3: Get today's schedules ──
const now = new Date()
const todayDay = DAY_MAP[now.getDay()]
const nowMinutes = now.getHours() * 60 + now.getMinutes()
const { data: schedulesData, error: schError } = await supabase
.from('bus_schedules')
.select('route_id, departure_time, dias_operacion')
.in('route_id', routeIds)
.eq('is_published', true)
.order('departure_time', { ascending: true })
if (schError) throw new Error(schError.message)
if (!schedulesData || schedulesData.length === 0) return []
// ── STEP 4: Calculate arrival time for each schedule at THIS stop ──
const arrivals: BusArrival[] = []
for (const sched of schedulesData as any[]) {
// Check if this schedule runs today
const diasOp: string[] = sched.dias_operacion || []
if (!todayDay || !diasOp.includes(todayDay)) continue
const depMinutes = timeToMinutes(sched.departure_time)
const travelMins = effectiveTravelTimeMap[sched.route_id] ?? 0
const arrivalMinutes = depMinutes + travelMins
// Handle midnight crossover (e.g. departure 23:50 + 20min travel = 00:10 next day)
const arrivalMinutesNormalized = arrivalMinutes % 1440
const alreadyPassed = arrivalMinutesNormalized < nowMinutes
const waitMinutes = hasGps ? (arrivalMinutesNormalized - nowMinutes) : null
// Without GPS (option A): show all future arrivals as raw times
// With GPS: only show buses that haven't passed yet
if (hasGps && alreadyPassed) continue
// Skip buses more than 3 hours in the future to avoid showing the whole day
if (hasGps && waitMinutes !== null && waitMinutes > 180) continue
// Without GPS: skip past arrivals but show up to next 3 hours anyway
if (!hasGps && alreadyPassed && Math.abs(arrivalMinutesNormalized - nowMinutes) > 10) continue
arrivals.push({
routeName: routeNameMap[sched.route_id] || 'Ruta desconocida',
routeId: sched.route_id,
arrivalTime: minutesToTime(arrivalMinutesNormalized),
departureTime: minutesToTime(depMinutes),
waitMinutes,
hasGps,
alreadyPassed
})
}
// Sort by arrival time ascending, return first 8
arrivals.sort((a, b) => {
const aMin = timeToMinutes(a.arrivalTime)
const bMin = timeToMinutes(b.arrivalTime)
return aMin - bMin
})
return arrivals.slice(0, 8)
},
/**
* @deprecated Use getNextBusesForStop instead.
* Kept for compatibility — calls the real engine without GPS context.
*/
async getNextBusArrivals(stopId: string): Promise<{ routeName: string; arrivalTime: string }[]> {
const real = await this.getNextBusesForStop(stopId)
return real.map(a => ({ routeName: a.routeName, arrivalTime: a.arrivalTime }))
},
/** Create a new bus stop (Admin) */
async createBusStop(currentData: import('@/types').BusStopCreate): Promise<BusStop> {
const { data, error } = await supabase
.from('bus_stops')
.insert([currentData])
.select()
.single()
if (error) throw new Error(error.message)
return data as BusStop
},
/** Update a bus stop (Admin) */
async updateBusStop(id: string, currentData: import('@/types').BusStopUpdate): Promise<BusStop> {
const { data, error } = await supabase
.from('bus_stops')
.update(currentData)
.eq('id', id)
.select()
.single()
if (error) throw new Error(error.message)
return data as BusStop
},
/** Delete a bus stop (Admin) */
async deleteBusStop(id: string): Promise<void> {
const { error } = await supabase.from('bus_stops').delete().eq('id', id)
if (error) throw new Error(error.message)
}
}