de-global services from admin

Signed-off-by: Jason Volk <jason@zemos.net>

src/admin/room/commands.rs

@@ -0,0 +1,89 @@
+use std::fmt::Write;
+
+use conduit::Result;
+use ruma::events::room::message::RoomMessageEventContent;
+
+use crate::{admin_command, escape_html, get_room_info, PAGE_SIZE};
+
+#[admin_command]
+pub(super) async fn list_rooms(
+	&self, page: Option<usize>, exclude_disabled: bool, exclude_banned: bool,
+) -> Result<RoomMessageEventContent> {
+	// TODO: i know there's a way to do this with clap, but i can't seem to find it
+	let page = page.unwrap_or(1);
+	let mut rooms = self
+		.services
+		.rooms
+		.metadata
+		.iter_ids()
+		.filter_map(|room_id| {
+			room_id
+				.ok()
+				.filter(|room_id| {
+					if exclude_disabled
+						&& self
+							.services
+							.rooms
+							.metadata
+							.is_disabled(room_id)
+							.unwrap_or(false)
+					{
+						return false;
+					}
+
+					if exclude_banned
+						&& self
+							.services
+							.rooms
+							.metadata
+							.is_banned(room_id)
+							.unwrap_or(false)
+					{
+						return false;
+					}
+
+					true
+				})
+				.map(|room_id| get_room_info(self.services, &room_id))
+		})
+		.collect::<Vec<_>>();
+	rooms.sort_by_key(|r| r.1);
+	rooms.reverse();
+
+	let rooms = rooms
+		.into_iter()
+		.skip(page.saturating_sub(1).saturating_mul(PAGE_SIZE))
+		.take(PAGE_SIZE)
+		.collect::<Vec<_>>();
+
+	if rooms.is_empty() {
+		return Ok(RoomMessageEventContent::text_plain("No more rooms."));
+	};
+
+	let output_plain = format!(
+		"Rooms:\n{}",
+		rooms
+			.iter()
+			.map(|(id, members, name)| format!("{id}\tMembers: {members}\tName: {name}"))
+			.collect::<Vec<_>>()
+			.join("\n")
+	);
+	let output_html = format!(
+		"<table><caption>Room list - page \
+		 {page}</caption>\n<tr><th>id</th>\t<th>members</th>\t<th>name</th></tr>\n{}</table>",
+		rooms
+			.iter()
+			.fold(String::new(), |mut output, (id, members, name)| {
+				writeln!(
+					output,
+					"<tr><td>{}</td>\t<td>{}</td>\t<td>{}</td></tr>",
+					escape_html(id.as_ref()),
+					members,
+					escape_html(name)
+				)
+				.expect("should be able to write to string buffer");
+				output
+			})
+	);
+	Ok(RoomMessageEventContent::text_html(output_plain, output_html))
+}