mirror of
https://github.com/gryf/slack-backup.git
synced 2025-12-17 19:40:21 +01:00
149 lines
4.7 KiB
Python
149 lines
4.7 KiB
Python
"""
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Create backup for certain date for specified channel in slack
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"""
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import logging
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from datetime import datetime
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import slackclient
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from slack_backup import db
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from slack_backup.objects import User, Channel, Purpose, Topic
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class Client(object):
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def __init__(self, token, dbfilename=None):
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self.slack = slackclient.SlackClient(token)
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self.engine = db.connect(dbfilename)
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self.session = db.Session()
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self.q = self.session.query
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def get_hisotry(self, selected_channels=None, from_date=0):
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self._update_users()
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self._update_channels()
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channels = self._get_channel_list()
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if selected_channels:
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selected_channels = [c for c in channels
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if c.name in selected_channels]
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else:
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selected_channels = channels
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for channel in selected_channels:
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history = []
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latest = 0
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while True:
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messages, latest = self._get_channel_history(channel, latest)
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# TODO: merge messages witihn a channel
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if latest is None:
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break
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for msg in messages:
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history.append(msg)
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self.session.close()
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return history
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def _get_channel_history(self, channel, latest='now'):
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return [], None
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result = self.slack.api_call("channels.history",
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channel=channel.slackid, count=1000,
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latest=latest)
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if not result.get("ok"):
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logging.error(result['error'])
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return None, None
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if result['messages']:
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return result['messages'], result['messages'][-1]['ts']
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else:
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return result['messages'], None
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def _get_channel_list(self):
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result = self.slack.api_call("channels.list")
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if not result.get("ok"):
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logging.error(result['error'])
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return None
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return [Channel(chan) for chan in result['channels']]
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def _update_users(self):
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"""Fetch and update user list with current state in db"""
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result = self.slack.api_call("users.list", presence=0)
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if not result.get("ok"):
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logging.error(result['error'])
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return
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for user_data in result['members']:
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user = self.q(User).\
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filter(User.slackid == user_data['id']).one_or_none()
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if user:
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user.update(user_data)
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else:
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user = User(user_data)
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self.session.add(user)
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self.session.flush()
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self.session.commit()
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def _get_create_obj(self, data, classobj, channel):
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"""
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Return object if exist in appropriate table (Topic or Purpose),
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compared to the data provided, create it otherwise.
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"""
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user = self.q(User).filter(User.slackid ==
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data['creator']).one_or_none()
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if not user:
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return
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obj = self.q(classobj).\
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filter(classobj.last_set ==
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datetime.fromtimestamp(data['last_set'])).\
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filter(classobj.value == data['value']).\
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filter(classobj.creator_id == user.id).one_or_none()
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if not obj:
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# break channel relation
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for obj in self.q(classobj).filter(classobj.channel ==
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channel).all():
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obj.channel = None
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# create new object
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obj = classobj(data)
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obj.creator = user
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self.session.flush()
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return obj
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def _update_channel(self, channel, data):
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channel.update(data)
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channel.user = self.q(User).filter(User.slackid ==
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data['created']).one_or_none()
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channel.purpose = self._get_create_obj(data['purpose'], Purpose,
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channel)
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channel.topic = self._get_create_obj(data['topic'], Topic, channel)
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self.session.flush()
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def _update_channels(self):
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"""Fetch and update user list with current state in db"""
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result = self.slack.api_call("channels.list", presence=0)
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if not result.get("ok"):
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logging.error(result['error'])
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return None
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for channel_data in result['channels']:
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channel = self.q(Channel).filter(Channel.slackid ==
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channel_data['id']).one_or_none()
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if not channel:
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channel = Channel()
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self.session.add(channel)
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self._update_channel(channel, channel_data)
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self.session.commit()
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