Change ,history command to use Discord timestamps

src/main/kotlin/org/openredstone/chad/commands/Command.kt

@@ -410,37 +410,30 @@ fun piklCommand(authorizedRoles: List<String>, discordServer: Server, discordApi
 }
 
 fun historyCommand(authorizedRoles: List<String>, sql: Sql) = command(authorizedRoles) {
-    fun timestampToString(timestamp: Int): String {
-        val instant = Instant.ofEpochSecond(timestamp.toLong())
-        val dateTime = LocalDateTime.ofInstant(instant, ZoneOffset.UTC)
-        return dateTime.format(DateTimeFormatter.ISO_DATE_TIME)
-    }
-
-    data class HistoryContainer(val key: String, var count: Int, var lastRan: String)
+    data class HistoryContainer(val key: String, var count: Int, var lastRan: Int)
 
     val time by optional()
     reply(isPrivate = true) {
         val historyMap = mutableMapOf<String, HistoryContainer>()
         sql.getHistory().forEach {
-            val timestamp = timestampToString(it.time)
             if (it.key in historyMap) {
                 historyMap[it.key]!!.apply {
                     this.count += 1
-                    this.lastRan = timestamp
+                    this.lastRan = it.time
                 }
                 // The sort order is time ASC,
                 // so newer runs will be later
                 // in the search result
             } else {
-                historyMap[it.key] = HistoryContainer(it.key, 1, timestamp)
+                historyMap[it.key] = HistoryContainer(it.key, 1, it.time)
             }
         }
         historyMap.values
             .sortedWith(compareByDescending { it.count })
             .take(10).joinToString(
                 prefix = "Query results less than $time seconds:\n", separator = "\n"
             ) {
-                "${it.count}: ${it.key}, last ran ${it.lastRan}"
+                "${it.count}: ${it.key}, last ran <t:${it.lastRan}:F>"
             }
     }
 }