feat: add plasa view

src/plasa/Plasa.sol

@@ -4,7 +4,7 @@ pragma solidity ^0.8.20;
 // Importing necessary contracts and interfaces
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { INames } from "../names/INames.sol";
-import { IPlasa } from "./interfaces/IPlasa.sol";
+import { IPlasa, IPlasaView } from "./interfaces/IPlasa.sol";
 
 /**
  * @title Plasa Contract
@@ -84,4 +84,13 @@ contract Plasa is Ownable, IPlasa {
 		}
 		return usernameData;
 	}
+
+	/// @inheritdoc IPlasaView
+	function getPlasaView() external view returns (PlasaView memory) {
+		return
+			PlasaView({
+				data: PlasaData({ contractAddress: address(this), namesContract: address(names) }),
+				user: PlasaUser({ isRegistered: isRegistered(msg.sender), username: getUsername(msg.sender) })
+			});
+	}
 }

src/plasa/interfaces/IPlasa.sol

@@ -2,10 +2,11 @@
 pragma solidity ^0.8.20;
 
 import { INames } from "../../names/INames.sol";
+import { IPlasaView } from "./IPlasaView.sol";
 
 /// @title IPlasa Interface
 /// @dev This interface defines the functions for user registration and username retrieval in the Plasa system.
-interface IPlasa {
+interface IPlasa is IPlasaView {
 	/// @notice Struct to hold username data.
 	/// @param user The address of the user.
 	/// @param name The username of the user.

src/plasa/interfaces/IPlasaView.sol

@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+/// @title IPlasaView Interface
+/// @dev This interface defines the functions for viewing Plasa data.
+interface IPlasaView {
+	/// @notice Struct to hold Plasa data.
+	/// @param contractAddress The address of the Plasa contract.
+	/// @param namesContract The address of the Names contract.
+	struct PlasaData {
+		address contractAddress;
+		address namesContract;
+	}
+
+	/// @notice Struct to hold Plasa user data.
+	/// @param isRegistered Whether the user is registered.
+	/// @param username The username of the user.
+	struct PlasaUser {
+		bool isRegistered;
+		string username;
+	}
+
+	/// @notice Struct to hold Plasa view data.
+	/// @param data The Plasa data.
+	/// @param user The Plasa user data.
+	struct PlasaView {
+		PlasaData data;
+		PlasaUser user;
+	}
+
+	/// @notice Retrieves the Plasa view data.
+	/// @return PlasaView The Plasa view data.
+	function getPlasaView() external view returns (PlasaView memory);
+}