voice-gateway-service/src/core/callcenter/call.py

#!/usr/bin/env python3
# encoding:utf-8

import time
from datetime import datetime
import src.core.callcenter.cache as Cache
from src.core.callcenter.constant import saasId, HOLD_MUSIC_PATH
from src.core.callcenter.enumeration import CallCause, Direction, NextType, DeviceType, CdrType
from src.core.callcenter.api import AgentCallRequest, CallInfo, HangupCallRequest, CheckInCallRequest, \
    DeviceInfo, NextCommand, MakeCallContext
from src.core.callcenter.esl.constant.sip_header_constant import sipHeaderServiceId, sipHeaderCtiFlowId
from src.core.callcenter.snowflake import Snowflake


class CallService:

    def __init__(self, client, logger):
        self.client = client
        self.logger = logger
        self.snowflake = Snowflake()

    def call(self, request: AgentCallRequest):
        call_id = 'C' + str(self.snowflake.next_id())
        device_id = 'D' + str(self.snowflake.next_id())
        # now = lambda: int(round(time.time() * 1000))
        now = datetime.utcnow().timestamp()

        agent = Cache.get_agent_info(request.saas_id, request.agent_id)
        route_gateway = Cache.get_route_gateway(request.saas_id)
        call_info = CallInfo(cti_flow_id=request.cti_flow_id, call_id=call_id, agent_key=agent.agent_number, sip_server=agent.sip_server,
                             caller=agent.agent_number, called=request.called, direction=Direction.INBOUND.code,
                             caller_display=request.caller_display, called_display=request.called_display,
                             call_type=request.call_type.code, call_time=now, follow_data=request.follow_data,
                             uuid1=request.uuid1, uuid2=request.uuid2, saas_id=saasId)
        device_info = DeviceInfo(cti_flow_id=request.cti_flow_id, device_id=device_id, call_time=now, call_id=call_id, device_type=DeviceType.AGENT.code,
                                 agent_key=agent.agent_number, caller_display=route_gateway.name, cdr_type=CdrType.INBOUND.code)
        call_info.device_list.append(device_id)
        call_info.next_commands.append(NextCommand(device_id, NextType.NEXT_CALL_OTHER.code))
        call_info.device_info_map = {device_id: device_info}
        Cache.add_call_info(call_info)

        context = MakeCallContext(display=request.called, caller=request.called, called=request.caller,
                                  call_id=call_id, device_id=device_id, device_type=device_info.device_type,
                                  call_type=call_info.call_type, sip_server=call_info.sip_server,
                                  sip_header_map={sipHeaderCtiFlowId: request.cti_flow_id})

        self.client.make_call_new(context)
        return call_id

    def hold(self, call_info: CallInfo, device_id):
        devices = call_info.device_list
        try:
            devices.remove(device_id)
        except:
            pass
        custom_device_id = devices[0]
        print('debugger::hold, custom_device_id=%s'%custom_device_id, flush=True)
        self.client.bridge_break(custom_device_id)
        self.client.hold_play(custom_device_id, HOLD_MUSIC_PATH)

    def cancel_hold(self, call_info: CallInfo, device_id):
        self.client.bridge_call(call_info.call_id, call_info.device_list[0], call_info.device_list[1])

    def transfer(self, call_info: CallInfo, agent_number, service_id):
        caller = call_info.called
        call_id = call_info.call_id
        agent = Cache.get_agent_info(call_info.saas_id, call_info.agent_key)
        device_id = 'D' + str(self.snowflake.next_id())
        # now = lambda: int(round(time.time() * 1000))
        now = datetime.utcnow().timestamp()

        device_info = DeviceInfo(device_id=device_id, caller=caller, display=caller, called=agent_number, call_id=call_id,
                            call_time=now, cdr_type=CdrType.TRANSFER.code, device_type=DeviceType.AGENT.code)
        call_info.device_list.append(device_id)

        call_info.caller = agent_number
        call_info.device_info_map[device_id] = device_info
        call_info.next_commands.append(NextCommand(device_info.device_id, NextType.NEXT_TRANSFER_CALL.code, call_info.device_list[0]))
        call_info.agent_key = agent_number
        # agent.sip_server
        Cache.add_call_info(call_info)
        Cache.add_agent_info(agent=agent, call_id=call_id, device_id=device_id)

        sip_header_map = {sipHeaderServiceId: service_id}
        context = MakeCallContext(display=call_info.called, caller=call_info.called, called=agent_number,
                                  call_id=call_id, device_id=device_id, device_type=device_info.device_type,
                                  call_type=call_info.call_type, service_id=service_id, sip_header_map=sip_header_map)
        self.client.make_call_new(context)

    def hangup(self, request: HangupCallRequest):
        call_info = Cache.get_call_info(request.call_id)
        if not call_info:
            self.logger.info('hangup call not exist callId: %s', request.call_id)
            return
        devices = call_info.device_list
        if not devices:
            self.logger.info('hangup deviceList is null callId: %s', request.call_id)
            return
        self.hangup_all(call_info, CallCause.AGENT_HANGUP_CALL)

    def hangup_all(self, call_info: CallInfo, case_enum=CallCause.DEFAULT):
        devices = call_info.device_list
        if not devices:
            self.logger.info('hangupCallAll skip 已全部挂断 callId: %s', call_info.call_id)
            return
        for device in devices:
            self.client.hangup_call(call_info.call_id, device, case_enum)

    def hangup_call(self, call_id):
        call_info = Cache.get_call_info(call_id)
        if not call_info:
            self.logger.info('hangup call not exist callId: %s', call_id)
            return
        devices = call_info.device_list
        if not devices:
            self.logger.info('hangup deviceList is null callId: %s', call_id)
            return
        for device in devices:
            self.client.hangup_call(call_info.call_id, device, CallCause.RESTART)

    def checkin_call(self, request: CheckInCallRequest):
        agent = Cache.get_agent_info(request.saas_id, request.agent_number)
        return self.client.show_channel(agent.device_id)