feat: adds support for Discord Webhooks (#1)

* feat: added webhook for test completion

* chore: updated gitignore to ignore webhook

Author: dannyhammer

.gitignore

@@ -18,3 +18,5 @@ Media/*
 Media/PGNs/*
 Media/Networks/*
 Media/Events/*
+
+webhook

OpenBench/utils.py

@@ -20,10 +20,8 @@
 
 import datetime
 import hashlib
-import json
 import math
 import os
-import random
 import re
 import requests
 
@@ -41,6 +39,7 @@
 from OpenBench.config import OPENBENCH_CONFIG
 from OpenBench.models import *
 from OpenBench.stats import TrinomialSPRT, PentanomialSPRT
+from OpenBench.templatetags.mytags import longStatBlock
 
 
 import OpenBench.views
@@ -396,6 +395,34 @@ def network_edit(request, engine, network):
 
     return OpenBench.views.redirect(request, '/networks/%s' % (network.engine), status='Applied changes')
 
+def notify_webhook(request, test_id):
+    webhook = open('webhook').read().strip() # Removing trailing whitespace/newline, if present
+    test = Test.objects.get(id=test_id)
+
+    # Compute stats
+    lower, elo, upper = OpenBench.stats.Elo(test.results())
+    error = max(upper - elo, elo - lower)
+    elo   = OpenBench.templatetags.mytags.twoDigitPrecision(elo)
+    error = OpenBench.templatetags.mytags.twoDigitPrecision(error)
+    outcome = 'passed' if test.passed else 'failed'
+
+    # Green if passing, red if failing.
+    color = 0xFEFF58
+    if test.passed:
+        color = 0x37F769
+    elif test.wins < test.losses:
+        color = 0xFA4E4E
+
+    return requests.post(webhook, json={
+        'username': test.dev_engine,
+        'embeds': [{
+            'author': { 'name': test.author },
+            'title': f'Test `{test.dev.name}` vs `{test.base.name}` {outcome}',
+            'url': request.build_absolute_uri(f'/test/{test_id}'),
+            'color': color,
+            'description': f'```\n{longStatBlock(test)}\n```',
+        }]
+    })
 
 def update_test(request, machine):
 
@@ -502,5 +529,9 @@ def update_test(request, machine):
     Machine.objects.filter(id=machine_id).update(
         updated=timezone.now()
     )
+    
+    # Send update to webhook, if it exists
+    if test.finished and os.path.exists('webhook'):
+        notify_webhook(request, test_id)
 
     return [{}, { 'stop' : True }][test.finished]