Chatwoot/lib/online_status_tracker.rb
Sojan Jose 2ecb2ca0f0
feat: Enable Capacity Config UI (#5164)
- Enables Capacity Config in UI
- Rewrite auto assignment Logic to consider only online agents

fixes: #4990
2022-08-16 16:58:23 +05:30

71 lines
2.7 KiB
Ruby

class OnlineStatusTracker
# NOTE: You can customise the environment variable to keep your agents/contacts as online for longer
PRESENCE_DURATION = ENV.fetch('PRESENCE_DURATION', 20).to_i.seconds
# presence : sorted set with timestamp as the score & object id as value
# obj_type: Contact | User
def self.update_presence(account_id, obj_type, obj_id)
::Redis::Alfred.zadd(presence_key(account_id, obj_type), Time.now.to_i, obj_id)
end
def self.get_presence(account_id, obj_type, obj_id)
connected_time = ::Redis::Alfred.zscore(presence_key(account_id, obj_type), obj_id)
connected_time && connected_time > (Time.zone.now - PRESENCE_DURATION).to_i
end
def self.presence_key(account_id, type)
case type
when 'Contact'
format(::Redis::Alfred::ONLINE_PRESENCE_CONTACTS, account_id: account_id)
else
format(::Redis::Alfred::ONLINE_PRESENCE_USERS, account_id: account_id)
end
end
# online status : online | busy | offline
# redis hash with obj_id key && status as value
def self.set_status(account_id, user_id, status)
::Redis::Alfred.hset(status_key(account_id), user_id, status)
end
def self.get_status(account_id, user_id)
::Redis::Alfred.hget(status_key(account_id), user_id)
end
def self.status_key(account_id)
format(::Redis::Alfred::ONLINE_STATUS, account_id: account_id)
end
def self.get_available_contact_ids(account_id)
range_start = (Time.zone.now - PRESENCE_DURATION).to_i
# exclusive minimum score is specified by prefixing (
# we are clearing old records because this could clogg up the sorted set
::Redis::Alfred.zremrangebyscore(presence_key(account_id, 'Contact'), '-inf', "(#{range_start}")
::Redis::Alfred.zrangebyscore(presence_key(account_id, 'Contact'), range_start, '+inf')
end
def self.get_available_contacts(account_id)
# returns {id1: 'online', id2: 'online'}
get_available_contact_ids(account_id).index_with { |_id| 'online' }
end
def self.get_available_users(account_id)
user_ids = get_available_user_ids(account_id)
return {} if user_ids.blank?
user_availabilities = ::Redis::Alfred.hmget(status_key(account_id), user_ids)
user_ids.map.with_index { |id, index| [id, (user_availabilities[index] || 'online')] }.to_h
end
def self.get_available_user_ids(account_id)
account = Account.find(account_id)
range_start = (Time.zone.now - PRESENCE_DURATION).to_i
user_ids = ::Redis::Alfred.zrangebyscore(presence_key(account_id, 'User'), range_start, '+inf')
# since we are dealing with redis items as string, casting to string
user_ids += account.account_users.where(auto_offline: false)&.map(&:user_id)&.map(&:to_s)
user_ids.uniq
end
end