def process_xml_posted(xml):
"""
Based on posted xml, construct the corresponding response
:param xml: posted xml from WeChat server
:return: respond body
"""
wechatdata = WechatXml(xml)
wechatdata.determine_media_type()
# TODO: to extend to other types of media type
if wechatdata.is_image:
logging.info("\tReceived xml contains image")
wechatdata.parse_image_xml()
# store image content and info into storage and db
wechatdb = Wechat_Database(wechatdata)
wechatdb.store_media_info_to_db(xml)
msg_info = wechatdata.xlm_content_dict
elif wechatdata.is_msg:
logging.info("\tReceived xml contains msg")
wechatdata.parse_msg_xml()
msg_info = wechatdata.xlm_content_dict
if is_request_image_back(msg_info):
# send image back. right now just a message
logging.info("\tRecieved xml request: asking for photos")
wechatdata.is_request = True
downloader = RequestProcessor(msg_info)
callback_msg_content = downloader.uploadAllPhotosOfUser()
msg_info['content'] = callback_msg_content
elif wechatdata.is_video:
logging.info("\tReceived xml contains video")
# store video content and info into storage and db
wechatdata.parse_video_xml()
wechatdb = Wechat_Database(wechatdata)
wechatdb.store_media_info_to_db(xml)
msg_info = wechatdata.xlm_content_dict
else:
logging.info("\tReceived other types of xml")
# form response
response = construct_response_msg(msg_info, wechatdata)
return response
