modules/console: Add room type count cmd.

modules/console.cc

@@ -11280,6 +11280,61 @@ console_cmd__room__type(opt &out, const string_view &line)
 	return true;
 }
 
+bool
+console_cmd__room__type__count(opt &out, const string_view &line)
+{
+	const params param{line, " ",
+	{
+		"room_id", "type", "start_depth", "end_depth"
+	}};
+
+	const auto &room_id
+	{
+		m::room_id(param.at("room_id"))
+	};
+
+	const auto &type
+	{
+		param["type"]
+	};
+
+	const uint64_t start_depth
+	{
+		param.at<uint64_t>(2, -1UL)
+	};
+
+	const int64_t end_depth
+	{
+		param.at<int64_t>(3, -1L)
+	};
+
+	const bool prefix_match
+	{
+		endswith(type, "...")
+	};
+
+	const m::room::type events
+	{
+		room_id,
+		rstrip(type, "..."),
+		{ start_depth, end_depth },
+		prefix_match
+	};
+
+	size_t ret(0);
+	events.for_each([&ret]
+	(const string_view &type, const uint64_t &depth, const m::event::idx &event_idx)
+	{
+		++ret;
+		return true;
+	});
+
+	out
+	<< ret
+	<< std::endl;
+	return true;
+}
+
 bool
 console_cmd__room__get(opt &out, const string_view &line)
 {