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from __future__ import unicode_literals
# imports - standard imports
import json
# imports - third-party imports
import requests
from bs4 import BeautifulSoup as Soup
# imports - module imports
from frappe.model.document import Document
from frappe import _, _dict
import frappe
# imports - frappe module imports
from frappe.chat import authenticate
from frappe.chat.util import (
get_if_empty,
check_url,
dictify,
get_emojis,
safe_json_loads,
get_user_doc,
squashify
)
session = frappe.session
class ChatMessage(Document):
pass
def get_message_urls(content):
soup = Soup(content, 'html.parser')
anchors = soup.find_all('a')
urls = [ ]
for anchor in anchors:
text = anchor.text
if check_url(text):
urls.append(text)
return urls
def get_message_mentions(content):
mentions = [ ]
tokens = content.split(' ')
for token in tokens:
if token.startswith('@'):
what = token[1:]
if frappe.db.exists('User', what):
mentions.append(what)
else:
if frappe.db.exists('User', token):
mentions.append(token)
return mentions
def get_message_meta(content):
'''
Assumes content to be HTML. Sanitizes the content
into a dict of metadata values.
'''
meta = _dict(
links = [ ],
mentions = [ ]
)
meta.content = content
meta.urls = get_message_urls(content)
meta.mentions = get_message_mentions(content)
return meta
def sanitize_message_content(content):
emojis = get_emojis()
tokens = content.split(' ')
for token in tokens:
if token.startswith(':') and token.endswith(':'):
what = token[1:-1]
# Expensive, I know.
for emoji in emojis:
for alias in emoji.aliases:
if what == alias:
content = content.replace(token, emoji.emoji)
return content
def get_new_chat_message_doc(user, room, content, type = "Content", link = True):
user = get_user_doc(user)
room = frappe.get_doc('Chat Room', room)
meta = get_message_meta(content)
mess = frappe.new_doc('Chat Message')
mess.room = room.name
mess.room_type = room.type
mess.content = sanitize_message_content(content)
mess.type = type
mess.user = user.name
mess.mentions = json.dumps(meta.mentions)
mess.urls = ','.join(meta.urls)
mess.save(ignore_permissions = True)
if link:
room.update(dict(
last_message = mess.name
))
room.save(ignore_permissions = True)
return mess
def get_new_chat_message(user, room, content, type = "Content"):
mess = get_new_chat_message_doc(user, room, content, type)
resp = dict(
name = mess.name,
user = mess.user,
room = mess.room,
room_type = mess.room_type,
content = json.loads(mess.content) if mess.type in ["File"] else mess.content,
urls = mess.urls,
mentions = json.loads(mess.mentions),
creation = mess.creation,
seen = json.loads(mess._seen) if mess._seen else [ ],
)
return resp
@frappe.whitelist(allow_guest = True)
def send(user, room, content, type = "Content"):
mess = get_new_chat_message(user, room, content, type)
frappe.publish_realtime('frappe.chat.message:create', mess, room = room,
after_commit = True)
@frappe.whitelist(allow_guest = True)
def seen(message, user = None):
authenticate(user)
has_message = frappe.db.exists('Chat Message', message)
if has_message:
mess = frappe.get_doc('Chat Message', message)
mess.add_seen(user)
mess.load_from_db()
room = mess.room
resp = dict(message = message, data = dict(seen = json.loads(mess._seen) if mess._seen else []))
frappe.publish_realtime('frappe.chat.message:update', resp, room = room, after_commit = True)
def history(room, fields = None, limit = 10, start = None, end = None):
room = frappe.get_doc('Chat Room', room)
mess = frappe.get_all('Chat Message',
filters = [
('Chat Message', 'room', '=', room.name),
('Chat Message', 'room_type', '=', room.type)
],
fields = fields if fields else [
'name', 'room_type', 'room', 'content', 'type', 'user', 'mentions', 'urls', 'creation', '_seen'
],
order_by = 'creation'
)
if not fields or 'seen' in fields:
for m in mess:
m['seen'] = json.loads(m._seen) if m._seen else [ ]
del m['_seen']
if not fields or 'content' in fields:
for m in mess:
m['content'] = json.loads(m.content) if m.type in ["File"] else m.content
frappe.enqueue('frappe.chat.doctype.chat_message.chat_message.mark_messages_as_seen',
message_names=[m.name for m in mess], user=frappe.session.user)
return mess
def mark_messages_as_seen(message_names, user):
'''
Marks chat messages as seen, updates the _seen for each message
(should be run in background process)
'''
for name in message_names:
seen = frappe.db.get_value('Chat Message', name, '_seen') or '[]'
seen = json.loads(seen)
seen.append(user)
seen = json.dumps(seen)
frappe.db.set_value('Chat Message', name, '_seen', seen, update_modified=False)
frappe.db.commit()
@frappe.whitelist()
def get(name, rooms = None, fields = None):
rooms, fields = safe_json_loads(rooms, fields)
has_message = frappe.db.exists('Chat Message', name)
if has_message:
dmess = frappe.get_doc('Chat Message', name)
data = dict(
name = dmess.name,
user = dmess.user,
room = dmess.room,
room_type = dmess.room_type,
content = json.loads(dmess.content) if dmess.type in ["File"] else dmess.content,
type = dmess.type,
urls = dmess.urls,
mentions = dmess.mentions,
creation = dmess.creation,
seen = get_if_empty(dmess._seen, [ ])
)
return data