Added functionality to handle HTML type emails inside body directly alongwith backward compatibility

Author: bhavberi

office365/directory/users/user.py

@@ -274,8 +274,9 @@ def send_mail(
         bcc_recipients=None,
         reply_to = None,
         save_to_sent_items=False,
+        body_type="Text",
     ):
-        # type: (str, str|ItemBody, List[str], List[str], List[str], bool) -> Message
+        # type: (str, str|ItemBody, List[str], List[str]|None, List[str]|None, List[str]|None, bool, str) -> Message
         """Send a new message on the fly
 
         :param str subject: The subject of the message.
@@ -286,10 +287,11 @@ def send_mail(
         :param list[str] reply_to: The Reply-To: : recipients for the reply to the message.
         :param bool save_to_sent_items: Indicates whether to save the message in Sent Items. Specify it only if
             the parameter is false; default is true
+        :param str body_type: The type of the message body. It can be "HTML" or "Text". Default is "Text".
         """
         return_type = Message(self.context)
         return_type.subject = subject
-        return_type.body = body
+        return_type.body = (body, body_type)
         [
             return_type.to_recipients.add(Recipient.from_email(email))
             for email in to_recipients

office365/outlook/mail/messages/message.py

@@ -258,11 +258,22 @@ def body(self):
 
     @body.setter
     def body(self, value):
-        # type: (str|ItemBody) -> None
+        # type: (str|ItemBody|tuple) -> None
         """Sets the body of the message. It can be in HTML or text format."""
-        if not isinstance(value, ItemBody):
-            value = ItemBody(value)
-        self.set_property("body", value)
+        content_type = "Text"  # Default content type
+        if isinstance(value, tuple):
+            if len(value) != 2:
+                raise ValueError("value must be a tuple of (content, content_type)")
+            content, content_type = value
+        else:
+            content = value
+        if isinstance(content, ItemBody):
+            self.set_property("body", content)
+            return
+        if content_type.lower() not in ["text", "html"]:
+            raise ValueError("content_type must be either 'Text' or 'HTML'")
+        item_body = ItemBody(content=content, content_type=content_type)
+        self.set_property("body", item_body)
 
     @property
     def body_preview(self):