Integrated fixes from release v3.1.4 (leap year bug)

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Arty Bishop committed 2025-12-27 15:01:46 +00:00
1 parent ad0b611bcb
commit 630fa2877f
16 files changed
+127 -84

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@@ -3,7 +3,7 @@ plugins {
}
kotlin {
jvmToolchain(libs.versions.jvmToolchain.get().toInt())
jvmToolchain(17)
}
dependencies {
@@ -1,7 +1,7 @@
package com.rtbishop.look4sat.domain.source
object Sources {
const val radioDataUrl = "https://db.satnogs.org/api/transmitters/?format=json"
const val radioDataUrl = "https://db.satnogs.org/api/transmitters/?format=json&status=active"
val satelliteDataUrls = mapOf(
"All" to "https://celestrak.org/NORAD/elements/gp.php?GROUP=active&FORMAT=csv",
"Amsat" to "https://amsat.org/tle/current/nasabare.txt",
@@ -74,6 +74,10 @@ class DataParser(private val dispatcher: CoroutineDispatcher) {
}
}
fun isLeapYear(year: Int): Boolean {
return ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)
}
private fun parseCSV(values: List<String>): OrbitalData? = try {
val name = values[0]
val year = values[2].substring(0, 4)
@@ -101,16 +105,6 @@ class DataParser(private val dispatcher: CoroutineDispatcher) {
null
}
private fun getDayOfYear(year: Int, month: Int, dayOfMonth: Int): Int {
if (month == 1) return dayOfMonth
val daysArray = arrayOf(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
var dayOfYear = dayOfMonth
// If leap year increment Feb days
if (((year / 4 == 0) && (year / 100 != 0)) || (year / 400 == 0)) daysArray[1]++
for (i in 0 until month - 1) dayOfYear += daysArray[i]
return dayOfYear
}
private fun parseTLE(tle: List<String>): OrbitalData? = try {
val name: String = tle[0].trim()
val epoch: Double = tle[1].substring(18, 32).toDouble()
@@ -145,4 +139,16 @@ class DataParser(private val dispatcher: CoroutineDispatcher) {
println("JSON parsing exception: $exception")
null
}
private fun getDayOfYear(year: Int, month: Int, dayOfMonth: Int): Int {
if (month == 1) return dayOfMonth
val daysArray = arrayOf(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
var dayOfYear = dayOfMonth
// If leap year increment Feb days
if (isLeapYear(year)) daysArray[1]++
for (i in 0 until month - 1) {
dayOfYear += daysArray[i]
}
return dayOfYear
}
}
@@ -31,6 +31,7 @@ class DataParserTest {
private val validCSVStream = """
OBJECT_NAME,OBJECT_ID,EPOCH,MEAN_MOTION,ECCENTRICITY,INCLINATION,RA_OF_ASC_NODE,ARG_OF_PERICENTER,MEAN_ANOMALY,EPHEMERIS_TYPE,CLASSIFICATION_TYPE,NORAD_CAT_ID,ELEMENT_SET_NO,REV_AT_EPOCH,BSTAR,MEAN_MOTION_DOT,MEAN_MOTION_DDOT
ISS (ZARYA),1998-067A,2021-11-16T12:28:09.322176,15.48582035,.0004694,51.6447,309.4881,203.6966,299.8876,0,U,25544,999,31220,.31985E-4,.1288E-4,0
ISS (ZARYA),1998-067A,2024-03-09T05:45:04.737024,15.49756209,.0005741,51.6418,90.7424,343.9724,92.8274,0,U,25544,999,44305,.25016E-3,.1373E-3,0
""".trimIndent().byteInputStream()
private val invalidCSVStream = """
ISS (ZARYA),1998-067A,2021-11-16T12:28:09.322176,15.48582035,.0004694,51.6447,309.4881,203.6966,299.8876,0,U,25544,999,31220,.31985E-4,.1288E-4,0
@@ -40,6 +41,9 @@ class DataParserTest {
ISS (ZARYA)
1 25544U 98067A 21320.51955234 .00001288 00000+0 31985-4 0 9990
2 25544 51.6447 309.4881 0004694 203.6966 299.8876 15.48582035312205
ISS (ZARYA)
1 25544U 98067A 24069.23963816 .00013730 00000+0 25016-3 0 9999
2 25544 51.6418 90.7424 0005741 343.9724 92.8274 15.49756209443058
""".trimIndent().byteInputStream()
private val invalidTLEStream = """
1 25544U 98067A 21320.51955234 .00001288 00000+0 31985-4 0 9990
@@ -54,7 +58,9 @@ class DataParserTest {
@Test
fun `Given valid CSV stream returns valid data`() = runTest(testDispatcher) {
assert(dataParser.parseCSVStream(validCSVStream)[0].epoch == 21320.51955234)
val parsedList = dataParser.parseCSVStream(validCSVStream)
assert(parsedList[0].epoch == 21320.51955234)
assert(parsedList[1].epoch == 24069.23963816)
}
@Test
@@ -64,7 +70,9 @@ class DataParserTest {
@Test
fun `Given valid TLE stream returns valid data`() = runTest(testDispatcher) {
assert(dataParser.parseTLEStream(validTLEStream)[0].epoch == 21320.51955234)
val parsedList = dataParser.parseTLEStream(validTLEStream)
assert(parsedList[0].epoch == 21320.51955234)
assert(parsedList[1].epoch == 24069.23963816)
}
@Test
@@ -86,4 +94,12 @@ class DataParserTest {
fun `Given valid data streams parsed results match`() = runTest(testDispatcher) {
assert(dataParser.parseCSVStream(validCSVStream) == dataParser.parseTLEStream(validTLEStream))
}
@Test
fun `Function isLeapYear returns correct data`() = runTest(testDispatcher) {
val years = listOf(1900, 1984, 1994, 2016, 2022, 2024, 2042, 2048)
val answers = listOf(false, true, false, true, false, true, false, true)
val results = years.map { dataParser.isLeapYear(it) }
assert(results == answers)
}
}