refactor a ton of the admin room code (50% done)

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/admin/server/mod.rs

@@ -0,0 +1,58 @@
+pub(crate) mod server_commands;
+
+use clap::Subcommand;
+use ruma::events::room::message::RoomMessageEventContent;
+
+use self::server_commands::{
+	backup_database, clear_database_caches, clear_service_caches, list_backups, list_database_files, memory_usage,
+	show_config,
+};
+use crate::Result;
+
+#[cfg_attr(test, derive(Debug))]
+#[derive(Subcommand)]
+pub(crate) enum ServerCommand {
+	/// - Show configuration values
+	ShowConfig,
+
+	/// - Print database memory usage statistics
+	MemoryUsage,
+
+	/// - Clears all of Conduit's database caches with index smaller than the
+	///   amount
+	ClearDatabaseCaches {
+		amount: u32,
+	},
+
+	/// - Clears all of Conduit's service caches with index smaller than the
+	///   amount
+	ClearServiceCaches {
+		amount: u32,
+	},
+
+	/// - Performs an online backup of the database (only available for RocksDB
+	///   at the moment)
+	BackupDatabase,
+
+	/// - List database backups
+	ListBackups,
+
+	/// - List database files
+	ListDatabaseFiles,
+}
+
+pub(crate) async fn process(command: ServerCommand, body: Vec<&str>) -> Result<RoomMessageEventContent> {
+	Ok(match command {
+		ServerCommand::ShowConfig => show_config(body).await?,
+		ServerCommand::MemoryUsage => memory_usage(body).await?,
+		ServerCommand::ClearDatabaseCaches {
+			amount,
+		} => clear_database_caches(body, amount).await?,
+		ServerCommand::ClearServiceCaches {
+			amount,
+		} => clear_service_caches(body, amount).await?,
+		ServerCommand::ListBackups => list_backups(body).await?,
+		ServerCommand::BackupDatabase => backup_database(body).await?,
+		ServerCommand::ListDatabaseFiles => list_database_files(body).await?,
+	})
+}