Use enum for database values

- Breaks previous config files

Author: yitzy299

README.md

@@ -14,7 +14,7 @@ Add the following to the bottom of your Ledger config file:
 
 ```toml
 [database_extensions]
-h2 = true
+database = "H2"
 ```
 
 ## MySQL
@@ -23,7 +23,7 @@ Add the following to the bottom of your Ledger config file:
 
 ```toml
 [database_extensions]
-mysql = true
+database = "MYSQL"
 url = ""
 username = ""
 password = ""

src/main/kotlin/net.quiltservertools.ledger.databases/DatabaseExtensionSpec.kt

@@ -3,8 +3,7 @@ package net.quiltservertools.ledger.databases
 import com.github.quiltservertools.libs.com.uchuhimo.konf.ConfigSpec
 
 object DatabaseExtensionSpec : ConfigSpec("database_extensions") {
-    val h2 by optional(false, "h2")
-    val mySql by optional(false, "mysql")
+    val database by optional(Databases.SQLITE, "database")
     val userName by optional("root", "username")
     val password by optional("", "password")
     val url by optional("localhost", "url")

src/main/kotlin/net.quiltservertools.ledger.databases/Databases.kt

@@ -0,0 +1,7 @@
+package net.quiltservertools.ledger.databases
+
+enum class Databases {
+    SQLITE,
+    MYSQL,
+    H2
+}

src/main/kotlin/net.quiltservertools.ledger.databases/LedgerDatabaseExtension.kt

@@ -13,12 +13,12 @@ class LedgerDatabaseExtension : DatabaseExtension {
     override fun getConfigSpecs(): List<ConfigSpec> = listOf(DatabaseExtensionSpec)
 
     override fun getDatabase(server: MinecraftServer): Database {
-        if (Ledger.config[DatabaseExtensionSpec.h2]) {
+        if (Ledger.config[DatabaseExtensionSpec.database] == Databases.H2) {
             return Database.connect(
                 url = "jdbc:h2:${server.getSavePath(WorldSavePath.ROOT).resolve("ledger.h2").toFile()};MODE=MySQL",
                 driver = "org.h2.Driver"
             )
-        } else if (Ledger.config[DatabaseExtensionSpec.mySql]) {
+        } else if (Ledger.config[DatabaseExtensionSpec.database] == Databases.MYSQL) {
             return Database.connect(
                 url = "jdbc:mysql://${Ledger.config[DatabaseExtensionSpec.url]}?rewriteBatchedStatements=true",
                 driver = "com.mysql.cj.jdbc.Driver",
@@ -30,9 +30,9 @@ class LedgerDatabaseExtension : DatabaseExtension {
     }
 
     override fun getIdentifier(): Identifier {
-        if (Ledger.config.contains(DatabaseExtensionSpec.h2) && Ledger.config[DatabaseExtensionSpec.h2]) {
+        if (Ledger.config[DatabaseExtensionSpec.database] == Databases.H2) {
             return h2Identifier
-        } else if (Ledger.config.contains(DatabaseExtensionSpec.mySql) && Ledger.config[DatabaseExtensionSpec.mySql]) {
+        } else if (Ledger.config[DatabaseExtensionSpec.database] == Databases.MYSQL) {
             return mySqlIdentifier
 
         }