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Añadir los 16.000 kms de margen para el cambio de aceite

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pedro
2026-07-10 08:16:28 +02:00
parent cbf207a759
commit ef224b0a66
1 changed files with 40 additions and 37 deletions
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app/src/main/java/com/example/kilometrapp/MainActivity.kt
+39 -36
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@@ -307,58 +307,61 @@ class MainActivity : AppCompatActivity() {
Class.forName("com.mysql.jdbc.Driver")
val connection = java.sql.DriverManager.getConnection(dbUrl, dbUser, dbPass)
// 1. Buscamos el último cambio de aceite (lógica n8n)
val rsOil = connection.createStatement().executeQuery(
"SELECT kms FROM mantenimiento WHERE observaciones LIKE '%aceite%' ORDER BY fecha DESC LIMIT 1"
)
var ultimoCambio = 0
if (rsOil.next()) ultimoCambio = rsOil.getInt("kms")
val rsStats = connection.createStatement().executeQuery(
"SELECT MIN(fecha) as f_min, MIN(kms) as k_min, MAX(fecha) as f_max, MAX(kms) as k_max FROM mantenimiento"
"SELECT kms, fecha FROM mantenimiento WHERE observaciones LIKE '%aceite%' ORDER BY fecha DESC LIMIT 1"
)
var fechaEstimada: String? = null
var restan = 0
var ultimoCambioKms = 0
var fechaUltimoCambio: Date? = null
if (rsStats.next() && ultimoCambio > 0) {
val fMin = rsStats.getTimestamp("f_min")
val kMin = rsStats.getInt("k_min")
val fMax = rsStats.getTimestamp("f_max")
val kMax = rsStats.getInt("k_max")
if (rsOil.next()) {
ultimoCambioKms = rsOil.getInt("kms")
fechaUltimoCambio = rsOil.getTimestamp("fecha")
}
if (fMin != null && fMax != null && kMax > kMin) {
val diffMs = fMax.time - fMin.time
val diffDays = diffMs / (1000 * 60 * 60 * 24)
// 2. Kilometraje actual
val rsActual = connection.createStatement().executeQuery(
"SELECT kms, fecha FROM mantenimiento ORDER BY fecha DESC LIMIT 1"
)
if (diffDays > 0) {
val kmPorDia = (kMax - kMin).toDouble() / diffDays
val distanciaPuertollano = 320
restan = (ultimoCambio + 15000 - distanciaPuertollano) - kMax
var kmActual = 0
var fechaActual = Date()
if (restan > 0 && kmPorDia > 0) {
val diasFaltan = (restan / kmPorDia).toLong()
val calendar = Calendar.getInstance()
calendar.add(Calendar.DAY_OF_YEAR, diasFaltan.toInt())
fechaEstimada = SimpleDateFormat("dd/MM/yyyy", Locale.getDefault()).format(calendar.time)
}
}
}
if (restan <= 0) {
val distanciaPuertollano = 320
restan = (ultimoCambio + 15000 - distanciaPuertollano) - kMax
}
if (rsActual.next()) {
kmActual = rsActual.getInt("kms")
fechaActual = rsActual.getTimestamp("fecha")
}
connection.close()
runOnUiThread {
if (ultimoCambio > 0) {
if (ultimoCambioKms > 0 && fechaUltimoCambio != null) {
val INTERVALO_CAMBIO = 16000 // Tu configuración de n8n
val distanciaPuertollano = 320
// Lógica de n8n: Calcular km diarios desde el último cambio hasta hoy
val diffMs = fechaActual.time - fechaUltimoCambio.time
val diasPasados = Math.max(1L, diffMs / (1000 * 60 * 60 * 24))
val kmsDesdeCambio = kmActual - ultimoCambioKms
val kmPorDia = Math.max(0.1, kmsDesdeCambio.toDouble() / diasPasados)
// Cálculo final restando el margen para el viaje a Puertollano
val restan = (ultimoCambioKms + INTERVALO_CAMBIO - distanciaPuertollano) - kmActual
var fechaEstimadaStr = "---"
if (restan > 0 && kmPorDia > 0) {
val diasParaCambio = (restan / kmPorDia).toLong()
val calendar = Calendar.getInstance()
calendar.add(Calendar.DAY_OF_YEAR, diasParaCambio.toInt())
fechaEstimadaStr = SimpleDateFormat("dd/MM/yyyy", Locale.getDefault()).format(calendar.time)
}
if (restan <= 0) {
tvPrediction.text = getString(R.string.urgent_oil_change, Math.abs(restan))
tvPrediction.setTextColor(android.graphics.Color.RED)
} else {
val fechaTexto = fechaEstimada ?: "---"
tvPrediction.text = getString(R.string.next_oil_change, restan, fechaTexto)
tvPrediction.text = getString(R.string.next_oil_change, restan, fechaEstimadaStr)
tvPrediction.setTextColor(android.graphics.Color.parseColor("#4CAF50"))
}
} else {