Update ws (#5)

* change comment

* add ws event converters

* remove pointer

v2/pkg/helpers/helpers.go

@@ -0,0 +1,41 @@
+package helpers
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/Sagleft/utopialib-go/v2/pkg/structs"
+	"github.com/Sagleft/utopialib-go/v2/pkg/websocket"
+)
+
+// GetChannelMessageFromEvent - get the event data converted to ChannelMessage.
+// actual only for `newPrivateChannelMessage` and `newChannelMessage` events
+func GetChannelMessageFromEvent(ws websocket.WsEvent) (structs.WsChannelMessage, error) {
+	result := structs.WsChannelMessage{}
+	eventBytes, err := json.Marshal(ws.Data)
+	if err != nil {
+		return result, errors.New("failed to encode channel message: " + err.Error())
+	}
+
+	err = json.Unmarshal(eventBytes, &result)
+	if err != nil {
+		return result, errors.New("failed to decode event data as channel message: " + err.Error())
+	}
+	return result, nil
+}
+
+// GetInstantMessageFromEvent - get the event data converted to InstantMessage.
+// actual only for `newInstantMessage` event
+func GetInstantMessageFromEvent(ws websocket.WsEvent) (structs.InstantMessage, error) {
+	result := structs.InstantMessage{}
+	eventBytes, err := json.Marshal(ws.Data)
+	if err != nil {
+		return result, errors.New("failed to encode contact message: " + err.Error())
+	}
+
+	err = json.Unmarshal(eventBytes, &result)
+	if err != nil {
+		return result, errors.New("failed to decode event data as contact message: " + err.Error())
+	}
+	return result, nil
+}

v2/pkg/websocket/structs.go

@@ -1,6 +1,6 @@
 package websocket
 
-// WsEvent - websocket event from Utopia Client
+// WsEvent - websocket event
 type WsEvent struct {
 	Type string                 `json:"type"`
 	Data map[string]interface{} `json:"data"`