Implement strategies and posting trades

core/views/hooks.py

@@ -1,6 +1,8 @@
+import re
 import uuid
 
 import orjson
+from django.conf import settings
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import HttpResponse, HttpResponseBadRequest
 from django.shortcuts import render
@@ -10,6 +12,7 @@ from rest_framework.views import APIView
 from serde import ValidationError
 
 from core.forms import HookForm
+from core.lib import market
 from core.lib.serde import drakdoo_s
 from core.models import Callback, Hook
 from core.util import logs
@@ -22,6 +25,18 @@ def get_hooks(user):
     return hooks
 
 
+def extract_price(message):
+    result = re.findall("\d+\.\d+", message)  # noqa
+    if len(result) != 1:
+        log.error(f"Could not extract price from message: {message}")
+        return False
+    try:
+        log.debug(f"Extracted {result[0]} from '{message}'")
+        return float(result[0])
+    except ValueError:
+        return False
+
+
 class HookAPI(APIView):
     parser_classes = [JSONParser]
 
@@ -41,17 +56,31 @@ class HookAPI(APIView):
             log.error(f"HookAPI POST: {e}")
             return HttpResponseBadRequest(e)
 
+        price = extract_price(hook_resp.message)
+        if not price:
+            log.debug(f"Could not extract price from message: {hook_resp.message}")
+            return HttpResponseBadRequest("Could not extract price from message")
+        base = hook_resp.market.item
+        quote = hook_resp.market.currency
+        symbol = f"{base.upper()}/{quote.upper()}"
+        if symbol not in settings.ASSET_FILTER:
+            log.debug(f"Skipping {symbol} because it is not in the asset filter")
+            return HttpResponseBadRequest("Invalid symbol")
+
         data = {
             "title": hook_resp.title,
             "message": hook_resp.message,
             "period": hook_resp.period,
-            "timestamp_sent": hook_resp.timestamp.sent,
+            "sent": hook_resp.timestamp.sent,
             "timestamp_trade": hook_resp.timestamp.trade,
-            "market_exchange": hook_resp.market.exchange,
-            "market_item": hook_resp.market.item,
-            "market_currency": hook_resp.market.currency,
-            "market_contract": hook_resp.market.contract,
+            "trade": hook_resp.market.exchange,
+            "base": hook_resp.market.item,
+            "quote": hook_resp.market.currency,
+            "symbol": symbol,
+            "contract": hook_resp.market.contract,
+            "price": price,
         }
+
         log.debug("HookAPI callback: data: %s", data)
 
         # Try getting the hook
@@ -63,6 +92,7 @@ class HookAPI(APIView):
         # Create the callback object
         callback = Callback.objects.create(hook=hook, **data)
         callback.save()
+        market.process_callback(callback)
         # Bump received count
         hook.received = hook.received + 1
         hook.save()