def compose_message(self, data: dict):
linker = Linker(self.images_path)
html_content = ''
with open(self.html_content_path) as html_content_file:
html_content = html_content_file.read()
html_content, used_images = linker.link_html(html_content, data)
message = MIMEMultipart('related')
message['Subject'] = self.subject
message['From'] = self.sender_email
message['To'] = data[EMAIL]
message.preamble = 'This is a multi-part message in MIME format.'
message = linker.attach_html_content(message, html_content)
message = linker.attach_images(message, used_images)
return message
