Clients/src/domain/User.ts (2)

1-10: Consider using an interface with JSDoc documentation.

While the type definition is well-structured, consider using an interface instead of a type alias for better extensibility and adding JSDoc documentation for improved IDE support.

+/**
+ * Represents a user in the system.
+ * @interface User
+ */
-export type User = {
+export interface User {
     id?: number; //automatically created by database
     name: string; //will be filled by user
     surname: string; //will be filled by user
     email: string; //will be filled by user
     password_hash?: string; //created by the database
     role?: number; //will be filled by user
     created_at?: Date; //automatically filled by database
     last_login?: Date; //automatically filled by database
-};
+}

---

2-9: Enhance field documentation with JSDoc.

Convert inline comments to JSDoc format for better documentation and IDE support.

 export interface User {
-    id?: number; //automatically created by database
+    /** Unique identifier automatically generated by the database */
+    id?: PositiveInteger;
-    name: string; //will be filled by user
+    /** User's first name */
+    name: string;
-    surname: string; //will be filled by user
+    /** User's last name */
+    surname: string;
-    email: string; //will be filled by user
+    /** User's email address used for authentication */
+    email: EmailAddress;
-    password_hash?: string; //created by the database
+    /** Hashed password stored in the database */
+    password_hash?: string;
-    role?: number; //will be filled by user
+    /** User's role determining their permissions */
+    role?: UserRole;
-    created_at?: Date; //automatically filled by database
+    /** Timestamp when the user account was created */
+    created_at?: Date;
-    last_login?: Date; //automatically filled by database
+    /** Timestamp of the user's most recent login */
+    last_login?: Date;

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Clients/src/presentation/pages/Vendors/index.tsx (2)

102-107: User object properly typed but consider improving default values.

The user object is now correctly typed as User, which improves type safety. However, using "N/A" as placeholder values and 0 as a default ID might not be ideal.

Consider using more meaningful defaults or handling the case where user data isn't available differently:

  const user : User = {
-   id: Number(localStorage.getItem("userId")) || 0,
+   id: Number(localStorage.getItem("userId")) || -1, // Using -1 to indicate no valid ID
    email: "N/A",
    name: "N/A",
    surname: "N/A",
  };

---

154-159: Duplicated user object structure in error logging.

This is a duplicate of the user object structure used in the previous error logging block. Consider extracting this to a helper function to avoid duplication.

Extract the user mapping logic to a reusable function:

+ const getUserForLogging = (user: User) => ({
+   id: String(user.id),
+   email: user.email ?? "N/A",
+   firstname: user.name,
+   lastname: user.surname,
+ });

  logEngine({
    type: "error",
    message: `An error occurred: ${error}`,
-   user : {
-     id: String(user.id),
-     email: user.email ?? "N/A",
-     firstname: user.name,
-     lastname: user.surname,
-   },
+   user: getUserForLogging(user),
  });

This would also need to be applied to the previous logEngine call.

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