Support json as config file instead of properties.

config/_examples/_testsys/settings.json

@@ -0,0 +1,4 @@
+{
+  "type": "testsys",
+  "url": "http://acm.math.spbu.ru/cgi-bin/view.pl/n201206.dat"
+}

src/backend/src/main/kotlin/org/icpclive/Application.kt

@@ -32,6 +32,7 @@ import org.icpclive.util.defaultJsonSettings
 import org.icpclive.util.fileJsonContentFlow
 import org.slf4j.event.Level
 import java.time.Duration
+import kotlin.io.path.exists
 import kotlin.system.exitProcess
 
 fun main(args: Array<String>): Unit =
@@ -115,7 +116,11 @@ fun Application.module() {
         // TODO: understand why normal exception propagation doesn't work
         exitProcess(1)
     }
-    val path = config.configDirectory.resolve("events.properties")
+    val path =
+        config.configDirectory.resolve("events.properties")
+            .takeIf { it.exists() }
+            ?.also { environment.log.warn("Using events.properties is deprecated, use settings.json instead.") }
+            ?: config.configDirectory.resolve("settings.json")
 
     launch(handler) {
         val advancedJsonPath = config.configDirectory.resolve("advanced.json")

src/cds-converter/src/main/kotlin/Application.kt

@@ -30,6 +30,7 @@ import org.slf4j.event.Level
 import java.io.File
 import java.nio.file.Paths
 import java.time.Duration
+import kotlin.io.path.exists
 import kotlin.system.exitProcess
 
 fun main(args: Array<String>): Unit =
@@ -87,7 +88,13 @@ fun Application.module() {
         Json.decodeFromStream(File(it).inputStream())
     } ?: emptyMap()
 
-    val loaded = parseFileToCdsSettings(configDirectory.resolve("events.properties"))
+    val path = configDirectory.resolve("events.properties")
+            .takeIf { it.exists() }
+            ?.also { environment.log.warn("Using events.properties is deprecated, use settings.json instead.") }
+            ?: configDirectory.resolve("settings.json")
+
+
+    val loaded = parseFileToCdsSettings(path)
         .toFlow(creds)
         .applyAdvancedProperties(advancedProperties)
         .filterUseless()

src/reactions-bot/src/main/kotlin/org/icpclive/reacbot/Bot.kt

@@ -36,7 +36,7 @@ class Bot(private val config: Config) {
     @OptIn(DelicateCoroutinesApi::class)
     private val reactionsProcessingPool = newFixedThreadPoolContext(config.loaderThreads, "ReactionsProcessing")
     private val cds = parseFileToCdsSettings(
-        Path.of(config.eventPropertiesFile),
+        Path.of(config.settingsFile),
     ).toFlow(emptyMap())
         .withRunsBefore()
         .filterUseless()
@@ -154,7 +154,7 @@ class Bot(private val config: Config) {
 }
 
 class BotCommand : CliktCommand() {
-    private val events by option(help = "Event.properties file path").default("./events.properties")
+    private val settings by option(help = "settings file path").default("./settings.json")
     private val disableCds by option(help = "Enable loading events from cds").flag()
     private val token by option(help = "Telegram bot token").required()
     private val threads by option("--threads", "-t", help = "Count of video converter and loader threads").int().default(8)
@@ -165,7 +165,7 @@ class BotCommand : CliktCommand() {
         runBlocking {
             Bot(
                 Config(
-                    eventPropertiesFile = events,
+                    settingsFile = settings,
                     disableCdsLoader = disableCds,
                     telegramToken = token,
                     loaderThreads = threads,

src/reactions-bot/src/main/kotlin/org/icpclive/reacbot/Config.kt

@@ -2,7 +2,7 @@ package org.icpclive.reacbot
 
 
 class Config(
-    val eventPropertiesFile: String,
+    val settingsFile: String,
     val disableCdsLoader: Boolean,
     val telegramToken: String,
     val loaderThreads: Int,