Files
Ascently/android/app/src/main/java/com/atridad/ascently/data/model/DifficultySystem.kt

264 lines
10 KiB
Kotlin

package com.atridad.ascently.data.model
import kotlinx.serialization.Serializable
@Serializable
enum class DifficultySystem {
// Bouldering
V_SCALE,
FONT,
// Rope
YDS,
CUSTOM;
val displayName: String
get() =
when (this) {
V_SCALE -> "V Scale"
FONT -> "Font Scale"
YDS -> "YDS (Yosemite)"
CUSTOM -> "Custom"
}
val isBoulderingSystem: Boolean
get() =
when (this) {
V_SCALE, FONT -> true
YDS -> false
CUSTOM -> true
}
val isRopeSystem: Boolean
get() =
when (this) {
YDS -> true
V_SCALE, FONT -> false
CUSTOM -> true
}
val availableGrades: List<String>
get() =
when (this) {
V_SCALE ->
listOf(
"VB",
"V0",
"V1",
"V2",
"V3",
"V4",
"V5",
"V6",
"V7",
"V8",
"V9",
"V10",
"V11",
"V12",
"V13",
"V14",
"V15",
"V16",
"V17"
)
FONT ->
listOf(
"3",
"4A",
"4B",
"4C",
"5A",
"5B",
"5C",
"6A",
"6A+",
"6B",
"6B+",
"6C",
"6C+",
"7A",
"7A+",
"7B",
"7B+",
"7C",
"7C+",
"8A",
"8A+",
"8B",
"8B+",
"8C",
"8C+"
)
YDS ->
listOf(
"5.0",
"5.1",
"5.2",
"5.3",
"5.4",
"5.5",
"5.6",
"5.7",
"5.8",
"5.9",
"5.10a",
"5.10b",
"5.10c",
"5.10d",
"5.11a",
"5.11b",
"5.11c",
"5.11d",
"5.12a",
"5.12b",
"5.12c",
"5.12d",
"5.13a",
"5.13b",
"5.13c",
"5.13d",
"5.14a",
"5.14b",
"5.14c",
"5.14d",
"5.15a",
"5.15b",
"5.15c",
"5.15d"
)
CUSTOM -> emptyList()
}
companion object {
fun systemsForClimbType(climbType: ClimbType): List<DifficultySystem> =
when (climbType) {
ClimbType.BOULDER -> entries.filter { it.isBoulderingSystem }
ClimbType.ROPE -> entries.filter { it.isRopeSystem }
}
}
}
@Serializable
data class DifficultyGrade(val system: DifficultySystem, val grade: String, val numericValue: Int) {
constructor(
system: DifficultySystem,
grade: String
) : this(system = system, grade = grade, numericValue = calculateNumericValue(system, grade))
companion object {
private fun calculateNumericValue(system: DifficultySystem, grade: String): Int {
return when (system) {
DifficultySystem.V_SCALE -> {
if (grade == "VB") 0 else grade.removePrefix("V").toIntOrNull() ?: 0
}
DifficultySystem.FONT -> {
val fontMapping: Map<String, Int> =
mapOf(
"3" to 3,
"4A" to 4,
"4B" to 5,
"4C" to 6,
"5A" to 7,
"5B" to 8,
"5C" to 9,
"6A" to 10,
"6A+" to 11,
"6B" to 12,
"6B+" to 13,
"6C" to 14,
"6C+" to 15,
"7A" to 16,
"7A+" to 17,
"7B" to 18,
"7B+" to 19,
"7C" to 20,
"7C+" to 21,
"8A" to 22,
"8A+" to 23,
"8B" to 24,
"8B+" to 25,
"8C" to 26,
"8C+" to 27
)
fontMapping[grade] ?: 0
}
DifficultySystem.YDS -> {
val ydsMapping: Map<String, Int> =
mapOf(
"5.0" to 50,
"5.1" to 51,
"5.2" to 52,
"5.3" to 53,
"5.4" to 54,
"5.5" to 55,
"5.6" to 56,
"5.7" to 57,
"5.8" to 58,
"5.9" to 59,
"5.10a" to 60,
"5.10b" to 61,
"5.10c" to 62,
"5.10d" to 63,
"5.11a" to 64,
"5.11b" to 65,
"5.11c" to 66,
"5.11d" to 67,
"5.12a" to 68,
"5.12b" to 69,
"5.12c" to 70,
"5.12d" to 71,
"5.13a" to 72,
"5.13b" to 73,
"5.13c" to 74,
"5.13d" to 75,
"5.14a" to 76,
"5.14b" to 77,
"5.14c" to 78,
"5.14d" to 79,
"5.15a" to 80,
"5.15b" to 81,
"5.15c" to 82,
"5.15d" to 83
)
ydsMapping[grade] ?: 0
}
DifficultySystem.CUSTOM -> grade.toIntOrNull() ?: 0
}
}
}
/**
* Compare this grade with another grade of the same system Returns negative if this grade is
* easier, positive if harder, 0 if equal
*/
fun compareTo(other: DifficultyGrade): Int {
if (system != other.system) return 0
return when (system) {
DifficultySystem.V_SCALE -> compareVScaleGrades(grade, other.grade)
DifficultySystem.FONT -> compareFontGrades(grade, other.grade)
DifficultySystem.YDS -> compareYDSGrades(grade, other.grade)
DifficultySystem.CUSTOM -> grade.compareTo(other.grade)
}
}
private fun compareVScaleGrades(grade1: String, grade2: String): Int {
if (grade1 == "VB" && grade2 != "VB") return -1
if (grade2 == "VB" && grade1 != "VB") return 1
if (grade1 == "VB") return 0
val num1 = grade1.removePrefix("V").toIntOrNull() ?: 0
val num2 = grade2.removePrefix("V").toIntOrNull() ?: 0
return num1.compareTo(num2)
}
private fun compareFontGrades(grade1: String, grade2: String): Int {
return grade1.compareTo(grade2)
}
private fun compareYDSGrades(grade1: String, grade2: String): Int {
return grade1.compareTo(grade2)
}
}