add get_latest_edu_count admin query cmd

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

src/service/admin/query/mod.rs

@@ -143,6 +143,10 @@ pub(crate) enum Globals {
 /// All the getters and iterators from src/database/key_value/sending.rs
 pub(crate) enum Sending {
 	ActiveRequests,
+
+	GetLatestEduCount {
+		server_name: Box<ServerName>,
+	},
 }
 
 /// Processes admin query commands

src/service/admin/query/sending.rs

@@ -21,5 +21,20 @@ pub(super) async fn sending(subcommand: Sending) -> Result<RoomMessageEventConte
 				),
 			))
 		},
+		Sending::GetLatestEduCount {
+			server_name,
+		} => {
+			let timer = tokio::time::Instant::now();
+			let results = services().sending.db.get_latest_educount(&server_name);
+			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
+				),
+			))
+		},
 	}
 }