add support for changing downloads dir (#343)

server/src/main/kotlin/suwayomi/tachidesk/server/ServerConfig.kt

@@ -26,6 +26,7 @@ class ServerConfig(config: Config, moduleName: String = MODULE_NAME) : SystemPro
     // misc
     val debugLogsEnabled: Boolean = debugLogsEnabled(GlobalConfigManager.config)
     val systemTrayEnabled: Boolean by overridableConfig
+    val downloadsPath: String by overridableConfig
 
     // webUI
     val webUIEnabled: Boolean by overridableConfig

server/src/main/kotlin/suwayomi/tachidesk/server/ServerSetup.kt

@@ -38,7 +38,7 @@ class ApplicationDirs(
 ) {
     val extensionsRoot = "$dataRoot/extensions"
     val thumbnailsRoot = "$dataRoot/thumbnails"
-    val mangaDownloadsRoot = "$dataRoot/downloads"
+    val mangaDownloadsRoot = serverConfig.downloadsPath.ifBlank { "$dataRoot/downloads" }
     val localMangaRoot = "$dataRoot/local"
     val webUIRoot = "$dataRoot/webUI"
 }

server/src/main/resources/server-reference.conf

@@ -21,3 +21,4 @@ server.basicAuthPassword = ""
 # misc
 server.debugLogsEnabled = false
 server.systemTrayEnabled = true
+server.downloadsPath = ""