initial course command

server/channelserver/handlers.go

@@ -75,13 +75,11 @@ func doAckSimpleFail(s *Session, ackHandle uint32, data []byte) {
 func updateRights(s *Session) {
 	rightsInt := uint32(0x0E)
 	s.server.db.QueryRow("SELECT rights FROM users u INNER JOIN characters c ON u.id = c.user_id WHERE c.id = $1", s.charID).Scan(&rightsInt)
-
-	courses := mhfpacket.GetCourseStruct(rightsInt)
+	s.courses = mhfpacket.GetCourseStruct(rightsInt)
 	rights := []mhfpacket.ClientRight{{1, 0, 0}}
-	for _, course := range courses {
+	for _, course := range s.courses {
 		rights = append(rights, mhfpacket.ClientRight{ID: course.ID, Timestamp: 0x70DB59F0})
 	}
-
 	update := &mhfpacket.MsgSysUpdateRight{
 		ClientRespAckHandle: 0,
 		Bitfield:            rightsInt,

server/channelserver/handlers_cast_binary.go

@@ -311,6 +311,43 @@ func handleMsgSysCastBinary(s *Session, p mhfpacket.MHFPacket) {
 			}
 		}
 
+		if strings.HasPrefix(chatMessage.Message, commands["Course"].Prefix) {
+			if commands["Course"].Enabled {
+				var name string
+				n, err := fmt.Sscanf(chatMessage.Message, "!course %s", &name)
+				if err != nil || n != 1 {
+					sendServerChatMessage(s, "Error in command. Format: !course <name>")
+				} else {
+					name = strings.ToLower(name)
+					for _, course := range mhfpacket.Courses() {
+						for _, alias := range course.Aliases {
+							if strings.ToLower(name) == strings.ToLower(alias) {
+								if s.CourseExists(name) {
+									existingIndex := -1
+									for i, course := range s.courses {
+										for _, alias := range course.Aliases {
+											if strings.ToLower(name) == strings.ToLower(alias) {
+												existingIndex = i
+											}
+										}
+									}
+									if existingIndex >= 0 {
+										s.courses = append(s.courses[:existingIndex], s.courses[existingIndex+1:]...)
+										sendServerChatMessage(s, fmt.Sprintf(`%s Course disabled.`, course.Aliases[0]))
+									}
+								} else {
+									s.courses = append(s.courses, course)
+									sendServerChatMessage(s, fmt.Sprintf(`%s Course enabled.`, course.Aliases[0]))
+								}
+							}
+						}
+					}
+				}
+			} else {
+				sendDisabledCommandMessage(s, commands["Course"])
+			}
+		}
+
 		if strings.HasPrefix(chatMessage.Message, commands["Raviente"].Prefix) {
 			if commands["Raviente"].Enabled {
 				if getRaviSemaphore(s) != "" {

server/channelserver/sys_session.go

@@ -272,8 +272,10 @@ func (s *Session) logMessage(opcode uint16, data []byte, sender string, recipien
 
 func (s *Session) CourseExists(name string) bool {
 	for _, course := range s.courses {
-		if strings.ToLower(name) == strings.ToLower(course.Name) {
-			return true
+		for _, alias := range course.Aliases {
+			if strings.ToLower(name) == strings.ToLower(alias) {
+				return true
+			}
 		}
 	}
 	return false