initial commit

client/puller/chat.go

@@ -0,0 +1,52 @@
+package puller
+
+import (
+	"github.com/astravexton/go-tdlib/client"
+)
+
+func ChatHistory(tdlibClient *client.Client, chatId int64) (chan *client.Message, chan error) {
+	messageChan := make(chan *client.Message, 10)
+	errChan := make(chan error, 1)
+
+	var fromMessageId int64 = 0
+	var offset int32 = 0
+	var limit int32 = 100
+
+	go chatHistory(tdlibClient, messageChan, errChan, chatId, fromMessageId, offset, limit, false)
+
+	return messageChan, errChan
+}
+
+func chatHistory(tdlibClient *client.Client, messageChan chan *client.Message, errChan chan error, chatId int64, fromMessageId int64, offset int32, limit int32, onlyLocal bool) {
+	defer func() {
+		close(messageChan)
+		close(errChan)
+	}()
+
+	for {
+		messages, err := tdlibClient.GetChatHistory(&client.GetChatHistoryRequest{
+			ChatId:        chatId,
+			FromMessageId: fromMessageId,
+			Offset:        offset,
+			Limit:         limit,
+			OnlyLocal:     onlyLocal,
+		})
+		if err != nil {
+			errChan <- err
+
+			return
+		}
+
+		if len(messages.Messages) == 0 {
+			errChan <- EOP
+
+			break
+		}
+
+		for _, message := range messages.Messages {
+			fromMessageId = message.Id
+
+			messageChan <- message
+		}
+	}
+}