Add Doris Schoolhouse and clean pending homelab changes

home/doris-schoolhouse/app/services/webhooks.py

@@ -0,0 +1,52 @@
+import json
+import mimetypes
+import uuid
+from pathlib import Path
+from urllib import error, request
+
+
+class WebhookService:
+    def _multipart_body(self, fields: dict[str, str], file_field: str, file_path: str) -> tuple[bytes, str]:
+        boundary = f"----DorisSchoolhouse{uuid.uuid4().hex}"
+        parts: list[bytes] = []
+        for key, value in fields.items():
+            parts.extend([
+                f"--{boundary}\r\n".encode(),
+                f'Content-Disposition: form-data; name="{key}"\r\n\r\n'.encode(),
+                str(value).encode(),
+                b"\r\n",
+            ])
+        path = Path(file_path)
+        mime = mimetypes.guess_type(path.name)[0] or "application/octet-stream"
+        parts.extend([
+            f"--{boundary}\r\n".encode(),
+            f'Content-Disposition: form-data; name="{file_field}"; filename="{path.name}"\r\n'.encode(),
+            f"Content-Type: {mime}\r\n\r\n".encode(),
+            path.read_bytes(),
+            b"\r\n",
+            f"--{boundary}--\r\n".encode(),
+        ])
+        return b"".join(parts), boundary
+
+    def post_multipart(self, url: str, fields: dict[str, str], file_field: str, file_path: str) -> dict:
+        body, boundary = self._multipart_body(fields, file_field, file_path)
+        req = request.Request(
+            url,
+            data=body,
+            headers={"Content-Type": f"multipart/form-data; boundary={boundary}"},
+            method="POST",
+        )
+
+        def parse_raw(raw: str):
+            try:
+                return json.loads(raw)
+            except Exception:
+                return {"raw": raw}
+
+        try:
+            with request.urlopen(req, timeout=120) as response:
+                raw = response.read().decode("utf-8", errors="replace")
+                return {"ok": True, "status_code": response.status, "body": parse_raw(raw)}
+        except error.HTTPError as exc:
+            raw = exc.read().decode("utf-8", errors="replace")
+            return {"ok": False, "status_code": exc.code, "body": parse_raw(raw), "error": str(exc)}