ircd:Ⓜ️:media: Add optional file name to file room state.

include/ircd/m/media.h

@@ -33,7 +33,7 @@ namespace ircd::m::media::file
 	room::id::buf room_id(const mxc &);
 
 	size_t read(const room &, const closure &);
-	size_t write(const room &, const user::id &, const const_buffer &content, const string_view &content_type);
+	size_t write(const room &, const user::id &, const const_buffer &content, const string_view &content_type, const string_view &name = {});
 
 	room::id::buf
 	download(const mxc &,

matrix/media.cc

@@ -221,7 +221,8 @@ size_t
 ircd::m::media::file::write(const m::room &room,
                             const m::user::id &user_id,
                             const const_buffer &content,
-                            const string_view &content_type)
+                            const string_view &content_type,
+                            const string_view &name)
 try
 {
 	static const size_t BLK_SZ
@@ -256,6 +257,12 @@ try
 		{ "mime_type", content_type }
 	});
 
+	if(name)
+		send(room, user_id, "ircd.file.stat.name", "", json::members
+		{
+			{ "name", name }
+		});
+
 	size_t off{0}, wrote{0};
 	while(off < size(content))
 	{

modules/media/upload.cc

@@ -75,7 +75,7 @@ post__upload(client &client,
 
 	const size_t written
 	{
-		m::media::file::write(room, request.user_id, buf, content_type)
+		m::media::file::write(room, request.user_id, buf, content_type, filename)
 	};
 
 	char uribuf[256];