Stub regex.Replace, re-implement SQL note conversion

code/modules/admin/sql_notes.dm

@@ -168,3 +168,50 @@
 		output += "<center><a href='?_src_=holder;addnoteempty=1'>\[Add Note\]</a></center>"
 		output += ruler
 	usr << browse(output, "window=show_notes;size=900x500")
+
+#define NOTESFILE "data/player_notes.sav"
+//if the AUTOCONVERT_NOTES is turned on, anytime a player connects this will be run to try and add all their notes to the databas
+/proc/convert_notes_sql(ckey)
+	var/savefile/notesfile = new(NOTESFILE)
+	if(!notesfile)
+		log_game("Error: Cannot access [NOTESFILE]")
+		return
+	notesfile.cd = "/[ckey]"
+	while(!notesfile.eof)
+		var/notetext
+		notesfile >> notetext
+		var/server
+		if(config && config.server_name)
+			server = config.server_name
+		var/regex/note = new("^(\\d{2}-\\w{3}-\\d{4}) \\| (.+) ~(\\w+)$", "i")
+		note.Find(notetext)
+		var/timestamp = note.group[2]
+		notetext = note.group[3]
+		var/adminckey = note.group[4]
+		var/DBQuery/query_convert_time = dbcon.NewQuery("SELECT ADDTIME(STR_TO_DATE('[timestamp]','%d-%b-%Y'), '0')")
+		if(!query_convert_time.Execute())
+			var/err = query_convert_time.ErrorMsg()
+			log_game("SQL ERROR converting timestamp. Error : \[[err]\]\n")
+			return
+		if(query_convert_time.NextRow())
+			timestamp = query_convert_time.item[1]
+		if(ckey && notetext && timestamp && adminckey && server)
+			add_note(ckey, notetext, timestamp, adminckey, 0, server)
+	notesfile.cd = "/"
+	notesfile.dir.Remove(ckey)
+
+/*alternatively this proc can be run once to pass through every note and attempt to convert it before deleting the file, if done then AUTOCONVERT_NOTES should be turned off
+this proc can take several minutes to execute fully if converting and cause DD to hang if converting a lot of notes; it's not advised to do so while a server is live
+/proc/mass_convert_notes()
+	world << "Beginning mass note conversion"
+	var/savefile/notesfile = new(NOTESFILE)
+	if(!notesfile)
+		log_game("Error: Cannot access [NOTESFILE]")
+		return
+	notesfile.cd = "/"
+	for(var/ckey in notesfile.dir)
+		convert_notes_sql(ckey)
+	world << "Deleting NOTESFILE"
+	fdel(NOTESFILE)
+	world << "Finished mass note conversion, remember to turn off AUTOCONVERT_NOTES"*/
+#undef NOTESFILE