question view: add userCanAddOption

src/voting/FixedQuestion.sol

@@ -59,4 +59,9 @@ contract FixedQuestion is Question, IFixedQuestion {
 	) public view override(IQuestion, Question) returns (bool) {
 		return userVotes[voter] == optionId;
 	}
+
+	/// @inheritdoc Question
+	function canAddOption(address) public view override returns (bool) {
+		return false;
+	}
 }

src/voting/OpenQuestion.sol

@@ -40,7 +40,7 @@ contract OpenQuestion is Question, IOpenQuestion {
 	/// @param _title The title of the new option
 	/// @param _description The description of the new option
 	function addOption(string memory _title, string memory _description) external override {
-		if (points.balanceAtTimestamp(msg.sender, deadline) < minPointsToAddOption) {
+		if (!canAddOption(msg.sender)) {
 			revert InsufficientPoints();
 		}
 		_addOption(_title, _description);
@@ -76,4 +76,9 @@ contract OpenQuestion is Question, IOpenQuestion {
 		minPointsToAddOption = _minPointsToAddOption;
 		emit MinPointsToAddOptionUpdated(_minPointsToAddOption);
 	}
+
+	/// @inheritdoc Question
+	function canAddOption(address user) public view override returns (bool) {
+		return points.balanceAtTimestamp(user, deadline) >= minPointsToAddOption;
+	}
 }

src/voting/Question.sol

@@ -131,7 +131,8 @@ abstract contract Question is Ownable, IQuestion {
 				started: deploymentTime,
 				userOptionVoted: userOptionVoted,
 				userPointsCurrent: points.balanceOf(user),
-				userPointsDeadline: points.balanceAtTimestamp(user, deadline)
+				userPointsDeadline: points.balanceAtTimestamp(user, deadline),
+				userCanAddOption: canAddOption(user)
 			});
 	}
 
@@ -161,4 +162,9 @@ abstract contract Question is Ownable, IQuestion {
 
 	/// @inheritdoc IQuestion
 	function hasVoted(address voter, uint256 optionId) public view virtual returns (bool);
+
+	/// @dev Checks if a user can add an option
+	/// @param user The address of the user to check
+	/// @return bool True if the user can add an option, false otherwise
+	function canAddOption(address user) public view virtual returns (bool);
 }

src/voting/interfaces/IQuestion.sol

@@ -53,6 +53,7 @@ interface IQuestion {
 		uint256 userOptionVoted;
 		uint256 userPointsCurrent;
 		uint256 userPointsDeadline;
+		bool userCanAddOption;
 	}
 
 	// Events