feat: support mysql and postgresql database

src/main/kotlin/cn/rtast/fancybot/util/Database.kt

@@ -8,6 +8,7 @@
 package cn.rtast.fancybot.util
 
 import cn.rtast.fancybot.ROOT_PATH
+import cn.rtast.fancybot.configManager
 import cn.rtast.fancybot.db.ActionTable
 import cn.rtast.fancybot.db.BlackListTable
 import cn.rtast.fancybot.db.JrrpTable
@@ -15,13 +16,25 @@ import cn.rtast.fancybot.db.MinecraftAccessTokenTable
 import cn.rtast.fancybot.db.NiuziBankTable
 import cn.rtast.fancybot.db.NiuziTable
 import cn.rtast.fancybot.db.RCONTable
+import cn.rtast.fancybot.enums.DatabaseType
 import kotlinx.coroutines.Dispatchers
 import org.jetbrains.exposed.sql.Database
 import org.jetbrains.exposed.sql.SchemaUtils
 import org.jetbrains.exposed.sql.transactions.experimental.newSuspendedTransaction
 
 suspend fun initDatabase() {
-    Database.connect("jdbc:sqlite:file:$ROOT_PATH/data.sqlite", "org.sqlite.JDBC")
+    val host = configManager.dbConfig.host
+    val port = configManager.dbConfig.port
+    val user = configManager.dbConfig.user
+    val password = configManager.dbConfig.password
+    val database = configManager.dbConfig.database
+    if (configManager.dbConfig.type == DatabaseType.MySQL) {
+        Database.connect("jdbc:mysql://${host}:${port}/$database", "com.mysql.cj.jdbc.Driver", user, password)
+    } else if (configManager.dbConfig.type == DatabaseType.PostgreSQL) {
+        Database.connect("jdbc:postgresql://$host:$port/$database", driver = "org.postgresql.Driver", user, password)
+    } else {
+        Database.connect("jdbc:sqlite:file:$ROOT_PATH/data.sqlite", "org.sqlite.JDBC")
+    }
     suspendedTransaction {
         SchemaUtils.createMissingTablesAndColumns(JrrpTable)
         SchemaUtils.createMissingTablesAndColumns(NiuziBankTable)

src/main/kotlin/cn/rtast/fancybot/util/file/ConfigManager.kt

@@ -49,4 +49,5 @@ class ConfigManager : JsonFileHandler<Config>("config.json") {
     val apiRtastKey = config.apiRtastKey
     val azureAppClientId = config.azureAppClientId
     val youtubeDataApiKey = config.youtubeDataApiKey
+    val dbConfig = config.database
 }