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# -*- coding: utf-8 -*-
#
from django.utils import timezone
from rest_framework import serializers
from .models import Terminal, TerminalHeatbeat
from .hands import ProxyLog
class TerminalSerializer(serializers.ModelSerializer):
proxy_online = serializers.SerializerMethodField()
is_alive = serializers.SerializerMethodField()
class Meta:
model = Terminal
fields = ['id', 'name', 'remote_addr', 'type', 'url', 'comment',
'is_accepted', 'is_active', 'get_type_display',
'proxy_online', 'is_alive']
@staticmethod
def get_proxy_online(obj):
return ProxyLog.objects.filter(terminal=obj.name, is_finished=False).count()
@staticmethod
def get_is_alive(obj):
log = obj.terminalheatbeat_set.last()
if log and timezone.now() - log.date_created < timezone.timedelta(seconds=600):
return True
else:
return False
class TerminalHeatbeatSerializer(serializers.ModelSerializer):
date_start = serializers.DateTimeField
class Meta:
model = TerminalHeatbeat
if __name__ == '__main__':
pass