create better structure for admin query commands

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

src/service/admin/query/appservice.rs

@@ -0,0 +1,40 @@
+use clap::Subcommand;
+use ruma::events::room::message::RoomMessageEventContent;
+
+use crate::{services, Result};
+
+#[cfg_attr(test, derive(Debug))]
+#[derive(Subcommand)]
+/// All the getters and iterators from src/database/key_value/appservice.rs via
+/// services()
+pub(crate) enum Appservice {
+	/// - Gets the appservice registration info/details from the ID as a string
+	GetRegistration {
+		/// Appservice registration ID
+		appservice_id: Box<str>,
+	},
+}
+
+/// All the getters and iterators in key_value/appservice.rs via services()
+pub(crate) async fn appservice(subcommand: Appservice) -> Result<RoomMessageEventContent> {
+	match subcommand {
+		Appservice::GetRegistration {
+			appservice_id,
+		} => {
+			let timer = tokio::time::Instant::now();
+			let results = services()
+				.appservice
+				.db
+				.get_registration(appservice_id.as_ref())?;
+			let query_time = timer.elapsed();
+
+			Ok(RoomMessageEventContent::text_html(
+				format!("Query completed in {query_time:?}:\n\n```\n{:?}```", results),
+				format!(
+					"<p>Query completed in {query_time:?}:</p>\n<pre><code>{:?}\n</code></pre>",
+					results
+				),
+			))
+		},
+	}
+}