SyncFilter is now generic

filters_sync.go

@@ -2,27 +2,27 @@ package main
 
 import "sync"
 
-type SyncFilter interface {
-	Then(what SyncFilter) SyncFilter
-	Call(msg GenericMessage)
+type SyncFilter[MsgType any] interface {
+	Then(what SyncFilter[MsgType]) SyncFilter[MsgType]
+	Call(msg MsgType)
 }
 
-type SyncFilterImpl struct {
-	next SyncFilter
+type SyncFilterImpl[MsgType any] struct {
+	next SyncFilter[MsgType]
 }
 
-func (impl *SyncFilterImpl) Then(what SyncFilter) SyncFilter {
+func (impl *SyncFilterImpl[MsgType]) Then(what SyncFilter[MsgType]) SyncFilter[MsgType] {
 	impl.next = what
 	return what
 }
 
-func (impl *SyncFilterImpl) CallNext(msg GenericMessage) {
+func (impl *SyncFilterImpl[MsgType]) CallNext(msg MsgType) {
 	if impl.next != nil {
 		impl.next.Call(msg)
 	}
 }
 
-type CollectFromChannel struct{ SyncFilterImpl }
+type CollectFromChannel struct{ SyncFilterImpl[GenericMessage] }
 
 func (collect *CollectFromChannel) Call(msg GenericMessage) {
 	collect.CallNext(msg)

filters_test.go

@@ -332,7 +332,7 @@ func TestThrottle_ManyMessagesInOneEvent(t *testing.T) {
 }
 
 type SyncMockFilter struct {
-	SyncFilterImpl
+	SyncFilterImpl[GenericMessage]
 	collected []GenericMessage
 }
 

sender_sync.go

@@ -10,13 +10,19 @@ import (
 )
 
 type SendToTelegramSync struct {
-	SyncFilterImpl
+	SyncFilterImpl[GenericMessage]
 
 	sender Sender
 	logger *log.Logger
 	tpl    *template.Template
 }
 
+func MakeSendToTelegramSync(sender Sender,
+	logger *log.Logger,
+	tpl *template.Template) SendToTelegramSync {
+	return SendToTelegramSync{SyncFilterImpl[GenericMessage]{}, sender, logger, tpl}
+}
+
 func (sendToTg *SendToTelegramSync) Call(msg GenericMessage) {
 	err := sendToTg.sender.Send(msg, sendToTg.tpl)
 	if err != nil {
@@ -28,7 +34,7 @@ func (sendToTg *SendToTelegramSync) Call(msg GenericMessage) {
 }
 
 type SendToMatterbridgeSync struct {
-	SyncFilterImpl
+	SyncFilterImpl[GenericMessage]
 
 	s      SatelNameGetter
 	config AppConfig

sender_sync_test.go

@@ -22,7 +22,7 @@ func TestSyncTelegramSender_NoChatIdsWontSendAnything(t *testing.T) {
 	s := MockSatelNameGetter{"test_name"}
 	sender := TgSender{&mockBot, s, log.New(io.Discard, "", 0), []int64{}}
 
-	tested := SendToTelegramSync{SyncFilterImpl{}, &sender, log.New(io.Discard, "", 0), tpl}
+	tested := MakeSendToTelegramSync(&sender, log.New(io.Discard, "", 0), tpl)
 	tested.Call(GenericMessage{[]satel.BasicEventElement{tgSenderMessageTest1}})
 	a.Equal(0, len(mockBot.messages))
 }
@@ -34,7 +34,7 @@ func TestSyncTelegramSender_SendsMessageToAllChatIds(t *testing.T) {
 	s := MockSatelNameGetter{"test_name"}
 	sender := TgSender{&mockBot, s, log.New(os.Stderr, "", 0), []int64{1, 2, 3}}
 
-	tested := SendToTelegramSync{SyncFilterImpl{}, &sender, log.New(os.Stderr, "", 0), tpl}
+	tested := MakeSendToTelegramSync(&sender, log.New(os.Stderr, "", 0), tpl)
 	tested.Call(GenericMessage{[]satel.BasicEventElement{tgSenderMessageTest1}})
 	a.Equal(3, len(mockBot.messages))
 }