Add ImageSet.

Closes #339

Author: clsung

linebot/models/messages.py

@@ -98,13 +98,16 @@ class ImageMessage(Message):
     The binary image data can be retrieved with the Content API.
     """
 
-    def __init__(self, id=None, content_provider=None, **kwargs):
+    def __init__(self, id=None, content_provider=None, image_set=None, **kwargs):
         """__init__ method.
 
         :param str id: Message ID
         :param content_provider: ContentProvider object
         :type content_provider:
             :py:class:`linebot.models.messages.ContentProvider`
+        :param image_set: ImageSet object
+        :type image_set:
+            :py:class:`linebot.models.messages.ImageSet`
         :param kwargs:
         """
         super(ImageMessage, self).__init__(id=id, **kwargs)
@@ -113,6 +116,9 @@ def __init__(self, id=None, content_provider=None, **kwargs):
         self.content_provider = self.get_or_new_from_json_dict(
             content_provider, ContentProvider
         )
+        self.image_set = self.get_or_new_from_json_dict(
+            image_set, ImageSet
+        )
 
 
 class VideoMessage(Message):
@@ -266,3 +272,21 @@ def __init__(self, type=None, original_content_url=None, preview_image_url=None,
         self.type = type
         self.original_content_url = original_content_url
         self.preview_image_url = preview_image_url
+
+
+class ImageSet(Base):
+    """Image Set."""
+
+    def __init__(self, id=None, index=None, total=0, **kwargs):
+        """__init__ method.
+
+        :param str id: Image set ID.
+        :param int index: Image number in a set of images sent simultaneously.
+        :param int total: Total number of images sent simultaneously.
+        :param kwargs:
+        """
+        super(ImageSet, self).__init__(**kwargs)
+
+        self.id = id
+        self.index = index
+        self.total = total

tests/test_webhook.py

@@ -81,7 +81,7 @@ def test_parse(self):
         self.assertEqual(events[0].message.type, 'text')
         self.assertEqual(events[0].message.text, 'Hello, world')
 
-        # MessageEvent, SourceRoom, TextMessage
+        # MessageEvent, SourceRoom, ImageMessage
         self.assertIsInstance(events[1], MessageEvent)
         self.assertEqual(events[1].reply_token, 'nHuyWiB7yP5Zw52FIkcQobQuGDXCTA')
         self.assertEqual(events[1].type, 'message')
@@ -444,6 +444,23 @@ def test_parse(self):
         self.assertIsInstance(events[26].video_play_complete, VideoPlayComplete)
         self.assertEqual(events[26].video_play_complete.tracking_id, 'track_id')
 
+        # MessageEvent, SourceUser, ImageMessage with ImageSet
+        self.assertIsInstance(events[1], MessageEvent)
+        self.assertEqual(events[27].reply_token, 'fbf94e269485410da6b7e3a5e33283e8')
+        self.assertEqual(events[27].type, 'message')
+        self.assertEqual(events[27].mode, 'active')
+        self.assertEqual(events[27].timestamp, 1627356924722)
+        self.assertIsInstance(events[27].source, SourceUser)
+        self.assertEqual(events[27].source.type, 'user')
+        self.assertEqual(events[27].source.user_id, 'U206d25c2ea6bd87c17655609a1c37cb8')
+        self.assertIsInstance(events[27].message, ImageMessage)
+        self.assertEqual(events[27].message.id, '354718705033693861')
+        self.assertEqual(events[27].message.type, 'image')
+        self.assertEqual(events[27].message.content_provider.type, 'line')
+        self.assertEqual(events[27].message.image_set.id, 'E005D41A7288F41B655')
+        self.assertEqual(events[27].message.image_set.index, 2)
+        self.assertEqual(events[27].message.image_set.total, 2)
+
     def test_parse_webhook_req_without_destination(self):
         body = """
         {

tests/text/webhook.json

@@ -427,6 +427,28 @@
       "videoPlayComplete": {
         "trackingId": "track_id"
       }
+    },
+    {
+      "type": "message",
+      "message": {
+        "type": "image",
+        "id": "354718705033693861",
+        "contentProvider": {
+          "type": "line"
+        },
+        "imageSet": {
+          "id": "E005D41A7288F41B655",
+          "index": 2,
+          "total": 2
+        }
+      },
+      "timestamp": 1627356924722,
+      "source": {
+        "type": "user",
+        "userId": "U206d25c2ea6bd87c17655609a1c37cb8"
+      },
+      "replyToken": "fbf94e269485410da6b7e3a5e33283e8",
+      "mode": "active"
     }
   ]
 }