def send(self, channel, msg, text):
# build our payload
payload = {'message': {'text': text}}
# this is a ref facebook id, temporary just for this message
if URN.is_path_fb_ref(msg.urn_path):
payload['recipient'] = dict(
user_ref=URN.fb_ref_from_path(msg.urn_path))
else:
payload['recipient'] = dict(id=msg.urn_path)
url = "https://graph.facebook.com/v2.5/me/messages"
params = {'access_token': channel.config[Channel.CONFIG_AUTH_TOKEN]}
headers = {'Content-Type': 'application/json'}
start = time.time()
payload = json.dumps(payload)
event = HttpEvent('POST', url, json.dumps(payload))
try:
response = requests.post(url,
payload,
params=params,
headers=headers,
timeout=15)
event.status_code = response.status_code
event.response_body = response.text
except Exception as e:
raise SendException(six.text_type(e), event=event, start=start)
# for now we only support sending one attachment per message but this could change in future
attachments = Msg.get_attachments(msg)
media_type, media_url = attachments[0] if attachments else (None, None)
if media_type and media_url:
media_type = media_type.split('/')[0]
payload = json.loads(payload)
payload['message'] = {
'attachment': {
'type': media_type,
'payload': {
'url': media_url
}
}
}
payload = json.dumps(payload)
event = HttpEvent('POST', url, payload)
try:
response = requests.post(url,
payload,
params=params,
headers=headers,
timeout=15)
event.status_code = response.status_code
event.response_body = response.text
except Exception as e:
raise SendException(six.text_type(e), event=event, start=start)
if response.status_code != 200:
raise SendException("Got non-200 response [%d] from Facebook" %
response.status_code,
event=event,
start=start)
# grab our external id out, Facebook response is in format:
# "{"recipient_id":"997011467086879","message_id":"mid.1459532331848:2534ddacc3993a4b78"}"
external_id = None
try:
external_id = response.json()['message_id']
except Exception as e: # pragma: no cover
# if we can't pull out our message id, that's ok, we still sent
pass
# if we sent Facebook a user_ref, look up the real Facebook id for this contact, should be in 'recipient_id'
if URN.is_path_fb_ref(msg.urn_path):
contact_obj = Contact.objects.get(id=msg.contact)
org_obj = Org.objects.get(id=channel.org)
channel_obj = Channel.objects.get(id=channel.id)
try:
real_fb_id = response.json()['recipient_id']
# associate this contact with our real FB id
ContactURN.get_or_create(org_obj,
contact_obj,
URN.from_facebook(real_fb_id),
channel=channel_obj)
# save our ref_id as an external URN on this contact
ContactURN.get_or_create(
org_obj, contact_obj,
URN.from_external(URN.fb_ref_from_path(msg.urn_path)))
# finally, disassociate our temp ref URN with this contact
ContactURN.objects.filter(id=msg.contact_urn).update(
contact=None)
except Exception as e: # pragma: no cover
# if we can't pull out the recipient id, that's ok, msg was sent
pass
Channel.success(channel,
msg,
WIRED,
start,
event=event,
external_id=external_id)
