2 files changed, 65 insertions, 0 deletions
diff --git a/graphs/js/accountConstraints/account.js b/graphs/js/accountConstraints/account.js
new file mode 100644
index 0000000..4a3ddbe
--- /dev/null
+++ b/graphs/js/accountConstraints/account.js
@@ -0,0 +1,42 @@
+"use strict";
+
+const {
+    InvalidUsernameError,
+    InvalidPasswordError,
+    InvalidYearOfBirthError,
+} = require("./accountError");
+
+class Account {
+    // FIXME DONE: A constructor was deleted here
+    constructor(username, password, yearOfBirth) {
+        const regUsername = /^[a-zA-Z0-9\-_]+$/;
+        const lower = /[a-z]/;
+        const upper = /[A-Z]/;
+        const digits = /[0-9]/;
+
+        if (!regUsername.test(username)) {
+            throw new InvalidUsernameError("Invalid username.");
+        }
+
+        this.username = username;
+        if (
+            !password.match(lower) ||
+            !password.match(upper) ||
+            !password.match(digits) ||
+            password.length < 8 ||
+            password.length > 100
+        ) {
+            throw new InvalidPasswordError("Invalid password.");
+        }
+
+        this.password = password;
+        if (yearOfBirth <= 1800 || yearOfBirth > new Date().getFullYear()) {
+            throw new InvalidYearOfBirthError("Invalid birth year");
+        }
+
+        this.yearOfBirth = yearOfBirth;
+    }
+}
+module.exports = {
+    Account,
+};
diff --git a/graphs/js/accountConstraints/accountError.js b/graphs/js/accountConstraints/accountError.js
new file mode 100644
index 0000000..9b427e0
--- /dev/null
+++ b/graphs/js/accountConstraints/accountError.js
@@ -0,0 +1,23 @@
+class InvalidUsernameError extends Error {
+    name = "InvalidUsernameError";
+    constructor(message) {
+        super("Invalid username: " + message);
+    }
+}
+class InvalidPasswordError extends Error {
+    name = "InvalidPasswordError";
+    constructor(message) {
+        super("Invalid password: " + message);
+    }
+}
+class InvalidYearOfBirthError extends Error {
+    name = "InvalidYearOfBirthError";
+    constructor(message) {
+        super("Invalid birth year: " + message);
+    }
+}
+module.exports = {
+    InvalidPasswordError,
+    InvalidUsernameError,
+    InvalidYearOfBirthError,
+};