156 lines
4.7 KiB
Python
156 lines
4.7 KiB
Python
import re
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import orjson
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from django.conf import settings
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.http import HttpResponse, HttpResponseBadRequest
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from pydantic import ValidationError
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from rest_framework.parsers import JSONParser
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from rest_framework.views import APIView
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from core.forms import HookForm
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from core.lib import market
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from core.lib.schemas.drakdoo_s import DrakdooCallback
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from core.models import Callback, Hook
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from core.util import logs
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from core.views import ObjectCreate, ObjectDelete, ObjectList, ObjectUpdate
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log = logs.get_logger(__name__)
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def extract_price(message):
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result = re.findall("\d+\.\d+", message) # noqa
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if len(result) != 1:
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log.error(f"Could not extract price from message: {message}")
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return False
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try:
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log.debug(f"Extracted {result[0]} from '{message}'")
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return float(result[0])
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except ValueError:
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return False
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class HookAPI(APIView):
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parser_classes = [JSONParser]
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def post(self, request, hook_name):
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log.debug(f"HookAPI POST: {request.data}")
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# Try loading the JSON
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# try:
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# loaded_json = orjson.loads(request.data)
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# except orjson.JSONDecodeError:
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# return HttpResponseBadRequest("Invalid JSON")
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# Try validating the JSON
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try:
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hook_resp = DrakdooCallback(**request.data)
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except ValidationError as e:
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log.error(f"HookAPI POST: {e}")
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return HttpResponseBadRequest(e)
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price = extract_price(hook_resp.message)
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if not price:
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log.debug(f"Could not extract price from message: {hook_resp.message}")
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return HttpResponseBadRequest("Could not extract price from message")
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base = hook_resp.market.item
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quote = hook_resp.market.currency
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symbol = f"{base.upper()}/{quote.upper()}"
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if symbol not in settings.ASSET_FILTER:
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log.debug(f"Skipping {symbol} because it is not in the asset filter")
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return HttpResponseBadRequest("Invalid symbol")
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data = {
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"title": hook_resp.title,
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"message": hook_resp.message,
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"period": hook_resp.period,
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"sent": hook_resp.timestamp.sent,
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"trade": hook_resp.timestamp.trade,
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"exchange": hook_resp.market.exchange,
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"base": hook_resp.market.item,
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"quote": hook_resp.market.currency,
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"symbol": symbol,
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"contract": hook_resp.market.contract,
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"price": price,
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}
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log.debug("HookAPI callback: data: %s", data)
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# Try getting the hook
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try:
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hook = Hook.objects.get(hook=hook_name)
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except Hook.DoesNotExist:
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return HttpResponseBadRequest("Hook does not exist.")
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# Create the callback object
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callback = Callback.objects.create(hook=hook, **data)
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callback.save()
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market.process_callback(callback)
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# Bump received count
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hook.received = hook.received + 1
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hook.save()
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return HttpResponse("OK")
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def get(self, request, hook_name):
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try:
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hook = Hook.objects.get(name=hook_name)
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except Hook.DoesNotExist:
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return HttpResponseBadRequest("Hook does not exist.")
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return_data = {"name": hook.name, "hook": hook.hook, "hook_id": hook.id}
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return HttpResponse(orjson.dumps(return_data), content_type="application/json")
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class HookList(LoginRequiredMixin, ObjectList):
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# window_content = "window-content/hooks.html"
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list_template = "partials/hook-list.html"
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model = Hook
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context_object_name = "hooks"
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context_object_name_singular = "hook"
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title = "Hooks"
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title_singular = "Hook"
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page_title = "List of active URL endpoints for receiving hooks."
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page_subtitle = (
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"Add URLs here to receive Drakdoo callbacks. "
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"Make then unique and hard to guess!"
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)
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list_url_name = "hooks"
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list_url_args = ["type"]
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submit_url_name = "hook_create"
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class HookCreate(LoginRequiredMixin, ObjectCreate):
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model = Hook
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form_class = HookForm
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context_object_name = "hooks"
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context_object_name_singular = "hook"
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list_url_name = "hooks"
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list_url_args = ["type"]
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submit_url_name = "hook_create"
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class HookUpdate(LoginRequiredMixin, ObjectUpdate):
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model = Hook
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form_class = HookForm
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context_object_name = "hooks"
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context_object_name_singular = "hook"
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list_url_name = "hooks"
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list_url_args = ["type"]
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submit_url_name = "hook_update"
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class HookDelete(LoginRequiredMixin, ObjectDelete):
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model = Hook
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context_object_name = "hooks"
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context_object_name_singular = "hook"
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list_url_name = "hooks"
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list_url_args = ["type"]
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