c3lf-system-3/core/tickets/serializers.py

147 lines
5.6 KiB
Python

from rest_framework import serializers
from authentication.models import ExtendedUser
from mail.api_v2 import AttachmentSerializer
from tickets.models import IssueThread, Comment, STATE_CHOICES, ShippingVoucher
from inventory.serializers import ItemSerializer
class CommentSerializer(serializers.ModelSerializer):
def validate(self, attrs):
if 'comment' not in attrs or attrs['comment'] == '':
raise serializers.ValidationError('comment cannot be empty')
return attrs
class Meta:
model = Comment
fields = ('id', 'comment', 'timestamp', 'issue_thread')
class StateSerializer(serializers.Serializer):
text = serializers.SerializerMethodField()
value = serializers.SerializerMethodField()
def get_text(self, obj):
return obj['text']
def get_value(self, obj):
return obj['value']
class ShippingVoucherSerializer(serializers.ModelSerializer):
class Meta:
model = ShippingVoucher
fields = ('id', 'voucher', 'type', 'timestamp', 'issue_thread', 'used_at')
read_only_fields = ('id', 'timestamp', 'used_at')
class IssueSerializer(serializers.ModelSerializer):
timeline = serializers.SerializerMethodField()
last_activity = serializers.SerializerMethodField()
assigned_to = serializers.SlugRelatedField(slug_field='username', queryset=ExtendedUser.objects.all(),
allow_null=True, required=False)
related_items = ItemSerializer(many=True, read_only=True)
class Meta:
model = IssueThread
fields = ('id', 'timeline', 'name', 'state', 'assigned_to', 'last_activity', 'uuid', 'related_items')
read_only_fields = ('id', 'timeline', 'last_activity', 'uuid', 'related_items')
def to_internal_value(self, data):
ret = super().to_internal_value(data)
if 'state' in data:
ret['state'] = data['state']
# if 'assigned_to' in data:
# ret['assigned_to'] = data['assigned_to']
return ret
def validate(self, attrs):
if 'state' in attrs:
if attrs['state'] not in [x[0] for x in STATE_CHOICES]:
raise serializers.ValidationError('invalid state')
return attrs
@staticmethod
def get_last_activity(self):
try:
last_state_change = self.state_changes.order_by('-timestamp').first().timestamp \
if self.state_changes.count() > 0 else None
last_comment = self.comments.order_by('-timestamp').first().timestamp if self.comments.count() > 0 else None
last_mail = self.emails.order_by('-timestamp').first().timestamp if self.emails.count() > 0 else None
last_assignment = self.assignments.order_by('-timestamp').first().timestamp if \
self.assignments.count() > 0 else None
last_relation = self.item_relations.order_by('-timestamp').first().timestamp if \
self.item_relations.count() > 0 else None
args = [x for x in [last_state_change, last_comment, last_mail, last_assignment, last_relation] if
x is not None]
return max(args)
except AttributeError:
return None
@staticmethod
def get_timeline(obj):
timeline = []
for comment in obj.comments.all():
timeline.append({
'type': 'comment',
'id': comment.id,
'timestamp': comment.timestamp,
'comment': comment.comment,
})
for state_change in obj.state_changes.all():
timeline.append({
'type': 'state',
'id': state_change.id,
'timestamp': state_change.timestamp,
'state': state_change.state,
})
for email in obj.emails.all():
timeline.append({
'type': 'mail',
'id': email.id,
'timestamp': email.timestamp,
'sender': email.sender,
'recipient': email.recipient,
'subject': email.subject,
'body': email.body,
'attachments': AttachmentSerializer(email.attachments.all(), many=True).data,
})
for assignment in obj.assignments.all():
timeline.append({
'type': 'assignment',
'id': assignment.id,
'timestamp': assignment.timestamp,
'assigned_to': assignment.assigned_to.username,
})
for relation in obj.item_relations.all():
timeline.append({
'type': 'item_relation',
'id': relation.id,
'status': relation.status,
'timestamp': relation.timestamp,
'item': ItemSerializer(relation.item).data,
})
for shipping_voucher in obj.shipping_vouchers.all():
timeline.append({
'type': 'shipping_voucher',
'id': shipping_voucher.id,
'timestamp': shipping_voucher.used_at,
'voucher': shipping_voucher.voucher,
'voucher_type': shipping_voucher.type,
})
return sorted(timeline, key=lambda x: x['timestamp'])
def get_queryset(self):
return IssueThread.objects.all().order_by('-last_activity')
class SearchResultSerializer(serializers.Serializer):
search_score = serializers.IntegerField()
item = IssueSerializer()
def to_representation(self, instance):
return {**IssueSerializer(instance['item']).data, 'search_score': instance['search_score']}
class Meta:
model = IssueThread