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# -*- coding: utf-8 -*-
#
from django.core.cache import cache
from rest_framework import serializers
from rest_framework_bulk.serializers import BulkListSerializer
from common.mixins import BulkSerializerMixin
from ..models import Terminal, Status, Session, Task
from ..backends import get_multi_command_storage
class TerminalSerializer(serializers.ModelSerializer):
session_online = serializers.SerializerMethodField()
is_alive = serializers.SerializerMethodField()
class Meta:
model = Terminal
fields = [
'id', 'name', 'remote_addr', 'http_port', 'ssh_port',
'comment', 'is_accepted', "is_active", 'session_online',
'is_alive'
]
@staticmethod
def get_session_online(obj):
return Session.objects.filter(terminal=obj.id, is_finished=False).count()
@staticmethod
def get_is_alive(obj):
key = StatusSerializer.CACHE_KEY_PREFIX + str(obj.id)
return cache.get(key)
class SessionSerializer(BulkSerializerMixin, serializers.ModelSerializer):
command_amount = serializers.SerializerMethodField()
command_store = get_multi_command_storage()
class Meta:
model = Session
list_serializer_class = BulkListSerializer
fields = '__all__'
def get_command_amount(self, obj):
return self.command_store.count(session=str(obj.id))
class StatusSerializer(serializers.ModelSerializer):
CACHE_KEY_PREFIX = 'terminal_status_'
class Meta:
fields = '__all__'
model = Status
def create(self, validated_data):
terminal_id = str(validated_data['terminal'].id)
key = self.CACHE_KEY_PREFIX + terminal_id
cache.set(key, 1, 60)
return validated_data
class TaskSerializer(BulkSerializerMixin, serializers.ModelSerializer):
class Meta:
fields = '__all__'
model = Task
list_serializer_class = BulkListSerializer
class ReplaySerializer(serializers.Serializer):
file = serializers.FileField()