create better structure for admin query commands

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

src/service/admin/query/presence.rs

@@ -0,0 +1,61 @@
+use clap::Subcommand;
+use ruma::{events::room::message::RoomMessageEventContent, UserId};
+
+use crate::{services, Result};
+
+#[cfg_attr(test, derive(Debug))]
+#[derive(Subcommand)]
+/// All the getters and iterators from src/database/key_value/presence.rs via
+/// services()
+pub(crate) enum Presence {
+	/// - Returns the latest presence event for the given user.
+	GetPresence {
+		/// Full user ID
+		user_id: Box<UserId>,
+	},
+
+	/// - Returns the most recent presence updates that happened after the event
+	///   with id `since`.
+	PresenceSince {
+		/// UNIX timestamp since (u64)
+		since: u64,
+	},
+}
+
+/// All the getters and iterators in key_value/presence.rs via services()
+pub(crate) async fn presence(subcommand: Presence) -> Result<RoomMessageEventContent> {
+	match subcommand {
+		Presence::GetPresence {
+			user_id,
+		} => {
+			let timer = tokio::time::Instant::now();
+			let results = services().presence.db.get_presence(&user_id)?;
+			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
+				),
+			))
+		},
+		Presence::PresenceSince {
+			since,
+		} => {
+			let timer = tokio::time::Instant::now();
+			let results = services().presence.db.presence_since(since);
+			let query_time = timer.elapsed();
+
+			let presence_since: Vec<(_, _, _)> = results.collect();
+
+			Ok(RoomMessageEventContent::text_html(
+				format!("Query completed in {query_time:?}:\n\n```\n{:?}```", presence_since),
+				format!(
+					"<p>Query completed in {query_time:?}:</p>\n<pre><code>{:?}\n</code></pre>",
+					presence_since
+				),
+			))
+		},
+	}
+}