feat: webhook event firing on issue creation (background task)

app/services/webhook.py

@@ -0,0 +1,56 @@
+import json
+import hmac
+import hashlib
+import logging
+from sqlalchemy.orm import Session
+from app.models.webhook import Webhook, WebhookLog
+
+logger = logging.getLogger(__name__)
+
+
+def fire_webhooks_sync(event: str, payload: dict, project_id: int, db: Session):
+    """Find matching webhooks and send payloads (sync version)."""
+    import httpx
+
+    webhooks = db.query(Webhook).filter(Webhook.is_active == True).all()
+
+    matched = []
+    for wh in webhooks:
+        events = [e.strip() for e in wh.events.split(",")]
+        if event not in events:
+            continue
+        if wh.project_id is not None and wh.project_id != project_id:
+            continue
+        matched.append(wh)
+
+    if not matched:
+        return
+
+    payload_json = json.dumps(payload, default=str)
+
+    for wh in matched:
+        log = WebhookLog(
+            webhook_id=wh.id,
+            event=event,
+            payload=payload_json,
+        )
+        try:
+            headers = {"Content-Type": "application/json"}
+            if wh.secret:
+                sig = hmac.new(
+                    wh.secret.encode(), payload_json.encode(), hashlib.sha256
+                ).hexdigest()
+                headers["X-Webhook-Signature"] = sig
+
+            with httpx.Client(timeout=10.0) as client:
+                resp = client.post(wh.url, content=payload_json, headers=headers)
+                log.response_status = resp.status_code
+                log.response_body = resp.text[:1000]
+                log.success = 200 <= resp.status_code < 300
+        except Exception as e:
+            log.response_body = str(e)[:1000]
+            log.success = False
+            logger.warning(f"Webhook delivery failed for {wh.url}: {e}")
+
+        db.add(log)
+    db.commit()