initial commit

client/puller/supergroup.go

@@ -0,0 +1,53 @@
+package puller
+
+import (
+	"github.com/astravexton/go-tdlib/client"
+)
+
+func SupergroupMembers(tdlibClient *client.Client, supergroupId int32) (chan *client.ChatMember, chan error) {
+	chatMemberChan := make(chan *client.ChatMember, 10)
+	errChan := make(chan error, 1)
+
+	var filter client.SupergroupMembersFilter = nil
+	var offset int32 = 0
+	var limit int32 = 200
+
+	go supergroupMembers(tdlibClient, chatMemberChan, errChan, supergroupId, filter, offset, limit)
+
+	return chatMemberChan, errChan
+}
+
+func supergroupMembers(tdlibClient *client.Client, chatMemberChan chan *client.ChatMember, errChan chan error, supergroupId int32, filter client.SupergroupMembersFilter, offset int32, limit int32) {
+	defer func() {
+		close(chatMemberChan)
+		close(errChan)
+	}()
+
+	var page int32 = 0
+
+	for {
+		chatMembers, err := tdlibClient.GetSupergroupMembers(&client.GetSupergroupMembersRequest{
+			SupergroupId: supergroupId,
+			Filter:       filter,
+			Offset:       page*limit + offset,
+			Limit:        limit,
+		})
+		if err != nil {
+			errChan <- err
+
+			return
+		}
+
+		if len(chatMembers.Members) == 0 {
+			errChan <- EOP
+
+			break
+		}
+
+		for _, member := range chatMembers.Members {
+			chatMemberChan <- member
+		}
+
+		page++
+	}
+}