Added %ecojobs_top_<job>_<place>_<name/amount>% placeholder

eco-core/core-plugin/src/main/kotlin/com/willfp/ecojobs/EcoJobsPlugin.kt

@@ -1,7 +1,10 @@
 package com.willfp.ecojobs
 
 import com.willfp.eco.core.command.impl.PluginCommand
+import com.willfp.eco.core.placeholder.DynamicPlaceholder
 import com.willfp.eco.core.placeholder.PlayerPlaceholder
+import com.willfp.eco.util.savedDisplayName
+import com.willfp.eco.util.toNiceString
 import com.willfp.ecojobs.api.activeJobs
 import com.willfp.ecojobs.api.getJobLevel
 import com.willfp.ecojobs.api.jobLimit
@@ -14,6 +17,7 @@ import com.willfp.ecojobs.jobs.PriceHandler
 import com.willfp.ecojobs.jobs.ResetOnQuitListener
 import com.willfp.libreforge.LibReforgePlugin
 import org.bukkit.event.Listener
+import java.util.regex.Pattern
 
 class EcoJobsPlugin : LibReforgePlugin() {
     init {
@@ -46,6 +50,26 @@ class EcoJobsPlugin : LibReforgePlugin() {
             }
             level.toString()
         }.register()
+
+        DynamicPlaceholder(
+            this,
+            Pattern.compile("top_[a-z]+_[0-9]+_[a-z]+")
+        ) {
+            val split = it.split("_")
+            val jobId = split.getOrNull(1) ?: return@DynamicPlaceholder "You must specify the job id!"
+            val job = Jobs.getByID(jobId) ?: return@DynamicPlaceholder "Invalid job id!"
+            val placeString = split.getOrNull(2) ?: return@DynamicPlaceholder "You must specify the place!"
+            val place = placeString.toIntOrNull() ?: return@DynamicPlaceholder "Invalid place!"
+            val type = split.getOrNull(3) ?: return@DynamicPlaceholder "You must specify the top type!"
+            val topEntry = job.getTop(place)
+            return@DynamicPlaceholder when(type) {
+                "name" -> topEntry?.player?.savedDisplayName
+                    ?: this.langYml.getFormattedString("top.name-empty")
+                "amount" -> topEntry?.amount?.toNiceString()
+                    ?: this.langYml.getFormattedString("top.amount-empty")
+                else -> "Invalid type: $type! Available types: name/amount"
+            }
+        }.register()
     }
 
     override fun loadPluginCommands(): List<PluginCommand> {

eco-core/core-plugin/src/main/kotlin/com/willfp/ecojobs/jobs/Job.kt

@@ -47,6 +47,8 @@ import kotlin.math.max
 class Job(
     val id: String, val config: Config, private val plugin: EcoJobsPlugin
 ) {
+    private val topCache = Caffeine.newBuilder().build<Int, LeaderboardCacheEntry?>()
+
     val name = config.getFormattedString("name")
     val description = config.getFormattedString("description")
     val isUnlockedByDefault = config.getBool("unlocked-by-default")
@@ -354,6 +356,14 @@ class Job(
         return jobXpGains.sumOf { it.getCount(event) }
     }
 
+    fun getTop(place: Int): LeaderboardCacheEntry? {
+        return topCache.get(place) {
+            val players = Bukkit.getOfflinePlayers().sortedByDescending { it.getJobLevel(this) }
+            val target = players.getOrNull(place-1) ?: return@get null
+            return@get LeaderboardCacheEntry(target, target.getJobLevel(this))
+        }
+    }
+
     override fun equals(other: Any?): Boolean {
         if (other !is Job) {
             return false
@@ -373,6 +383,11 @@ private class LevelPlaceholder(
     operator fun invoke(level: Int) = function(level)
 }
 
+data class LeaderboardCacheEntry(
+    val player: OfflinePlayer,
+    val amount: Int
+)
+
 private fun Collection<LevelPlaceholder>.format(string: String, level: Int): String {
     var process = string
     for (placeholder in this) {

eco-core/core-plugin/src/main/resources/lang.yml

@@ -42,3 +42,7 @@ menu:
   title: "Jobs"
 
 infinity: "∞"
+
+top:
+  name-empty: "&cEmpty"
+  amount-empty: "0"