fisk/core/views/assets.py

210 lines
7.1 KiB
Python

import json
from django.contrib.auth.mixins import LoginRequiredMixin
from django.db import IntegrityError
from django.http import HttpResponse
from mixins.views import AbortSave, ObjectCreate, ObjectDelete, ObjectList, ObjectUpdate
from rest_framework import status
from rest_framework.parsers import JSONParser
from rest_framework.views import APIView
from core.forms import AssetGroupForm, AssetRuleForm
from core.models import AssetGroup, AssetRule
from core.trading import assetfilter
from core.util import logs
log = logs.get_logger(__name__)
# Asset Groups
class AssetGroupList(LoginRequiredMixin, ObjectList):
list_template = "partials/assetgroup-list.html"
model = AssetGroup
page_title = "List of asset groups for aggregations. Linked to strategies."
page_subtitle = "Asset groups are maps between currencies and their sentiment."
list_url_name = "assetgroups"
list_url_args = ["type"]
submit_url_name = "assetgroup_create"
class AssetGroupCreate(LoginRequiredMixin, ObjectCreate):
model = AssetGroup
form_class = AssetGroupForm
submit_url_name = "assetgroup_create"
class AssetGroupUpdate(LoginRequiredMixin, ObjectUpdate):
model = AssetGroup
form_class = AssetGroupForm
submit_url_name = "assetgroup_update"
class AssetGroupDelete(LoginRequiredMixin, ObjectDelete):
model = AssetGroup
# Asset Rules
class AssetRulesPermissionMixin:
# Check the user has permission to view the asset group
# We have a user check on the AssetRestriction, but we need to check the
# AssetGroup as well
def set_extra_args(self, user):
self.extra_permission_args = {
"group__user": user,
"group__pk": self.kwargs["group"],
}
class AssetRuleList(LoginRequiredMixin, AssetRulesPermissionMixin, ObjectList):
list_template = "partials/assetrule-list.html"
model = AssetRule
page_title = "List of asset rules"
list_url_name = "assetrules"
list_url_args = ["type", "group"]
submit_url_name = "assetrule_create"
submit_url_args = ["type", "group"]
class AssetRuleCreate(LoginRequiredMixin, AssetRulesPermissionMixin, ObjectCreate):
model = AssetRule
form_class = AssetRuleForm
submit_url_name = "assetrule_create"
submit_url_args = ["type", "group"]
def form_valid(self, form):
"""If the form is invalid, render the invalid form."""
try:
return super().form_valid(form)
except IntegrityError as e:
if "UNIQUE constraint failed" in str(e):
form.add_error("asset", "Asset rule already exists")
return self.form_invalid(form)
else:
raise e
def pre_save_mutate(self, user, obj):
try:
assetgroup = AssetGroup.objects.get(pk=self.kwargs["group"], user=user)
obj.group = assetgroup
except AssetGroup.DoesNotExist:
log.error(f"Asset Group {self.kwargs['group']} does not exist")
raise AbortSave("asset group does not exist or you don't have access")
class AssetRuleUpdate(LoginRequiredMixin, AssetRulesPermissionMixin, ObjectUpdate):
model = AssetRule
form_class = AssetRuleForm
submit_url_name = "assetrule_update"
submit_url_args = ["type", "pk", "group"]
class AssetRuleDelete(LoginRequiredMixin, AssetRulesPermissionMixin, ObjectDelete):
model = AssetRule
class AssetGroupAPI(APIView):
parser_classes = [JSONParser]
def post(self, request, webhook_id):
# log.debug(f"AssetAPI POST {webhook_id}: {request.data}")
print(json.dumps(request.data, indent=2))
try:
group = AssetGroup.objects.get(webhook_id=webhook_id)
except AssetGroup.DoesNotExist:
log.error(f"Asset group {webhook_id} does not exist")
return HttpResponse(status=status.HTTP_404_NOT_FOUND)
# if restriction.group is not None:
# group = restriction.group
# else:
# log.error(f"Asset restriction {restriction} has no group")
# return HttpResponse(status=status.HTTP_404_NOT_FOUND)
# if group.strategy_set.exists() is not None:
# strategies = group.strategy_set.all()
# else:
# log.error(f"Asset group {group} has no strategy")
# return HttpResponse(status=status.HTTP_404_NOT_FOUND)
# log.debug(f"Asset API {webhook_id} matched to strategies {strategies}")
if "meta" not in request.data:
log.error(f"Asset API {webhook_id} has no meta")
return HttpResponse(status=status.HTTP_400_BAD_REQUEST)
if "is_match" not in request.data["meta"]:
log.error(f"Asset API {webhook_id} has no is_match")
return HttpResponse(status=status.HTTP_400_BAD_REQUEST)
is_match = request.data["meta"]["is_match"]
if "topic" not in request.data:
log.error(f"Asset API {webhook_id} has no topic")
return HttpResponse(status=status.HTTP_400_BAD_REQUEST)
topic = request.data["topic"]
new_assets = []
assets_split = topic.split(",")
if not assets_split:
log.error(f"Asset API {webhook_id} topic {topic} is not an asset")
return HttpResponse(status=status.HTTP_400_BAD_REQUEST)
for asset in assets_split:
if asset:
new_assets.append(asset.strip())
else:
log.error(f"Asset API {webhook_id} asset {asset} is not an asset")
return HttpResponse(status=status.HTTP_400_BAD_REQUEST)
aggregation = "none"
value = None
# Check if we have lower/upper bounds
if "aggs" in request.data["meta"]:
aggs = request.data["meta"]["aggs"]
# TODO: support more aggregations
if len(aggs) != 1:
log.error(
f"Asset API {webhook_id} has an invalid number of aggregations"
)
return HttpResponse(status=status.HTTP_400_BAD_REQUEST)
first_agg_key = list(aggs.keys())[0]
if "value" in aggs[first_agg_key]:
aggregation = first_agg_key
value = aggs[first_agg_key]["value"]
for asset in new_assets:
asset_rule, _ = AssetRule.objects.get_or_create(
group=group, user=group.user, asset=asset
)
if is_match:
# Make our own is_match based on the aggregations
is_match = assetfilter.check_asset_aggregation(
value, asset_rule.trigger_above, asset_rule.trigger_below
)
else:
# No matches
is_match = None
asset_rule.aggregation = aggregation
if value:
asset_rule.value = value
if is_match is not None:
our_status = is_match
else:
our_status = 1
asset_rule.original_status = our_status
asset_rule.status = assetfilter.update_status_from_mappings(
our_status, group
)
asset_rule.save()
return HttpResponse(status=status.HTTP_200_OK)