matrix continuation lives in db not config file

message/matrix.go

@@ -31,7 +31,7 @@ func NewMatrix() Matrix {
 		token:        conf.Token,
 		room:         conf.Room,
 		mock:         conf.Mock,
-		continuation: conf.Continuation,
+		continuation: GetMatrixContinuation(),
 	}
 }
 
@@ -71,11 +71,11 @@ func (m *Matrix) Receive() ([]Message, error) {
 		return nil, err
 	}
 	messages := make([]Message, 0)
-	result, err := c.Messages(m.room, "999999999999999999", m.continuation, 'b', 50)
+	result, err := c.Messages(m.room, "999999999999999999", m.Continuation(), 'b', 50)
 	if err != nil {
 		return nil, err
 	}
-	log.Printf("%s => {Start:%s End:%v};; %v, (%d)", m.continuation, result.Start, result.End, err, len(result.Chunk))
+	log.Printf("%s => {Start:%s End:%v};; %v, (%d)", m.Continuation(), result.Start, result.End, err, len(result.Chunk))
 	m.continuation = result.End
 	for _, event := range result.Chunk {
 		//log.Printf("%+v", event)
@@ -161,3 +161,21 @@ func (m Matrix) SendImage(uri string) error {
 	log.Printf("sent image %s => %s: %+v", uri, publicURI, resp)
 	return err
 }
+
+func SetMatrixContinuation(continuation string) {
+	db := config.Get().DB()
+	db.Set(getMatrixContinuationKey(), []byte(continuation))
+}
+
+func GetMatrixContinuation() string {
+	db := config.Get().DB()
+	b, _ := db.Get(getMatrixContinuationKey())
+	if b == nil {
+		return "0"
+	}
+	return string(b)
+}
+
+func getMatrixContinuationKey() string {
+	return "matrix_continuation"
+}