egutierrez
b1016ec845
Añade estructura inicial kotlin/functions/, actualiza registry.db con todos los cambios indexados, y ajusta .gitignore. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
103 lines
3.5 KiB
Kotlin
103 lines
3.5 KiB
Kotlin
package infra
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import org.json.JSONObject
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import java.net.HttpURLConnection
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import java.net.URL
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data class GeocodedLocation(
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val displayName: String,
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val street: String,
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val houseNumber: String,
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val neighbourhood: String,
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val city: String,
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val state: String,
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val country: String,
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val postcode: String,
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val lat: Double,
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val lon: Double,
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val osmType: String,
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val osmId: Long
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)
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/**
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* nominatimReverseGeocode — Convierte coordenadas lat/lon a una dirección estructurada
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* usando la API pública de Nominatim (OpenStreetMap).
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*
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* @param lat Latitud en grados decimales.
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* @param lon Longitud en grados decimales.
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* @param lang Código de idioma ISO 639-1 para la respuesta. Por defecto "es".
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* @return GeocodedLocation con los campos normalizados de la dirección.
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* @throws RuntimeException si la petición HTTP falla o el servidor retorna error.
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*/
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fun nominatimReverseGeocode(lat: Double, lon: Double, lang: String = "es"): GeocodedLocation {
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val url = URL(
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"https://nominatim.openstreetmap.org/reverse" +
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"?format=jsonv2" +
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"&lat=$lat" +
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"&lon=$lon" +
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"&accept-language=$lang" +
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"&zoom=18"
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)
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val conn = url.openConnection() as HttpURLConnection
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conn.setRequestProperty("User-Agent", "fn_registry/1.0")
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conn.connectTimeout = 5_000
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conn.readTimeout = 5_000
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conn.requestMethod = "GET"
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val responseCode = conn.responseCode
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if (responseCode != HttpURLConnection.HTTP_OK) {
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conn.disconnect()
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throw RuntimeException(
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"nominatimReverseGeocode: HTTP $responseCode para lat=$lat, lon=$lon"
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)
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}
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val body = try {
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conn.inputStream.bufferedReader(Charsets.UTF_8).use { it.readText() }
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} catch (e: Exception) {
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conn.disconnect()
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throw RuntimeException(
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"nominatimReverseGeocode: error leyendo respuesta — ${e.message}", e
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)
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} finally {
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conn.disconnect()
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}
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val data = JSONObject(body)
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val address = data.optJSONObject("address") ?: JSONObject()
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val city = when {
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address.has("city") && address.getString("city").isNotEmpty() ->
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address.getString("city")
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address.has("town") && address.getString("town").isNotEmpty() ->
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address.getString("town")
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address.has("village") && address.getString("village").isNotEmpty() ->
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address.getString("village")
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else -> ""
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}
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val neighbourhood = when {
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address.has("neighbourhood") && address.getString("neighbourhood").isNotEmpty() ->
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address.getString("neighbourhood")
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address.has("suburb") && address.getString("suburb").isNotEmpty() ->
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address.getString("suburb")
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else -> ""
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}
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return GeocodedLocation(
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displayName = data.optString("display_name", ""),
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street = address.optString("road", ""),
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houseNumber = address.optString("house_number", ""),
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neighbourhood = neighbourhood,
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city = city,
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state = address.optString("state", ""),
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country = address.optString("country", ""),
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postcode = address.optString("postcode", ""),
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lat = data.optString("lat", lat.toString()).toDoubleOrNull() ?: lat,
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lon = data.optString("lon", lon.toString()).toDoubleOrNull() ?: lon,
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osmType = data.optString("osm_type", ""),
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osmId = data.optLong("osm_id", 0L)
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)
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}
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