implemented

backend/validate_constants.py

@@ -0,0 +1,48 @@
+"""Validate shared constants match backend definitions."""
+import json
+from pathlib import Path
+
+from models import ROLE_ADMIN, ROLE_REGULAR, InviteStatus
+
+
+def validate_shared_constants() -> None:
+    """
+    Validate that shared/constants.json matches backend definitions.
+    Raises ValueError if there's a mismatch.
+    """
+    constants_path = Path(__file__).parent.parent / "shared" / "constants.json"
+    
+    if not constants_path.exists():
+        raise ValueError(f"Shared constants file not found: {constants_path}")
+    
+    with open(constants_path) as f:
+        constants = json.load(f)
+    
+    # Validate roles
+    expected_roles = {"ADMIN": ROLE_ADMIN, "REGULAR": ROLE_REGULAR}
+    if constants.get("roles") != expected_roles:
+        raise ValueError(
+            f"Role mismatch in shared/constants.json. "
+            f"Expected: {expected_roles}, Got: {constants.get('roles')}"
+        )
+    
+    # Validate invite statuses
+    expected_statuses = {s.name: s.value for s in InviteStatus}
+    if constants.get("inviteStatuses") != expected_statuses:
+        raise ValueError(
+            f"Invite status mismatch in shared/constants.json. "
+            f"Expected: {expected_statuses}, Got: {constants.get('inviteStatuses')}"
+        )
+    
+    # Validate validation rules exist (structure check only)
+    validation = constants.get("validation", {})
+    required_fields = ["telegram", "signal", "nostrNpub"]
+    for field in required_fields:
+        if field not in validation:
+            raise ValueError(f"Missing validation rules for '{field}' in shared/constants.json")
+
+
+if __name__ == "__main__":
+    validate_shared_constants()
+    print("✓ Shared constants are valid")
+