refactor more of admin code, add unfinished fsck command

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

src/service/admin/user/mod.rs

@@ -0,0 +1,63 @@
+#[allow(clippy::module_inception)]
+pub(crate) mod user;
+
+use clap::Subcommand;
+use ruma::UserId;
+
+#[cfg_attr(test, derive(Debug))]
+#[derive(Subcommand)]
+pub(crate) enum UserCommand {
+	/// - Create a new user
+	Create {
+		/// Username of the new user
+		username: String,
+		/// Password of the new user, if unspecified one is generated
+		password: Option<String>,
+	},
+
+	/// - Reset user password
+	ResetPassword {
+		/// Username of the user for whom the password should be reset
+		username: String,
+	},
+
+	/// - Deactivate a user
+	///
+	/// User will not be removed from all rooms by default.
+	/// Use --leave-rooms to force the user to leave all rooms
+	Deactivate {
+		#[arg(short, long)]
+		leave_rooms: bool,
+		user_id: Box<UserId>,
+	},
+
+	/// - Deactivate a list of users
+	///
+	/// Recommended to use in conjunction with list-local-users.
+	///
+	/// Users will not be removed from joined rooms by default.
+	/// Can be overridden with --leave-rooms flag.
+	/// Removing a mass amount of users from a room may cause a significant
+	/// amount of leave events. The time to leave rooms may depend significantly
+	/// on joined rooms and servers.
+	///
+	/// This command needs a newline separated list of users provided in a
+	/// Markdown code block below the command.
+	DeactivateAll {
+		#[arg(short, long)]
+		/// Remove users from their joined rooms
+		leave_rooms: bool,
+		#[arg(short, long)]
+		/// Also deactivate admin accounts
+		force: bool,
+	},
+
+	/// - List local users in the database
+	List,
+
+	/// - Lists all the rooms (local and remote) that the specified user is
+	///   joined in
+	ListJoinedRooms {
+		user_id: Box<UserId>,
+	},
+}