From f18e6099ae5b4d0b5ba4db15df2d2f908c34b270 Mon Sep 17 00:00:00 2001
From: Robert Lude <rlude@covermymeds.com>
Date: Mon, 26 Jan 2015 10:46:20 -0500
Subject: [PATCH] solved

---
 validator.coffee |  75 ++++++++++++++++++++++++++++++
 validator.js     | 118 +++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 188 insertions(+), 5 deletions(-)
 create mode 100644 validator.coffee

diff --git a/validator.coffee b/validator.coffee
new file mode 100644
index 0000000..86dd2c3
--- /dev/null
+++ b/validator.coffee
@@ -0,0 +1,75 @@
+
+# constants
+
+EMAIL_REGEX = /// # this is NOT comprehensive and only allows common format emails
+  [a-z0-9._-]+
+  @
+  [a-z0-9._-]+
+  \.
+  [a-z0-9._-]+
+///i
+
+ERROR_MESSAGE_MAP = # edit this if error message types or their ordering changes
+  invalidEmail: 0
+  passwordTooShort: 1
+  passwordMissingDigit: 2
+  passwordMissingCapitalLetter: 3
+
+# html elements we will use
+
+loginForm = $ "form"
+emailInput = loginForm.children("input[type='text']")
+passwordInput = loginForm.children("input[type='password']")
+submitButton = loginForm.children("input[type='submit']")
+errorMessages = $ ".errors li"
+
+# helper functions
+
+getEmailErrors = (typing) ->
+  emailAddress = emailInput.val() 
+  return {} if emailAddress.length == 0 && typing
+  invalidEmail: not EMAIL_REGEX.test emailAddress
+
+getPasswordErrors = (typing) ->
+  password = passwordInput.val()
+  return {} if password.length == 0 && typing
+  passwordTooShort: password.length < 8
+  passwordMissingDigit: not /\d/.test password
+  passwordMissingCapitalLetter: not /[A-Z]/.test password
+
+getAllErrors = (typing) ->
+  $.extend {}, getEmailErrors(typing), getPasswordErrors(typing) 
+
+isErrorFree = (errors) ->
+  for own errorKey, hasError of errors
+    return false if hasError
+  true
+
+updateErrorVisibility = (errors) ->
+  for own errorKey, errorIndex of ERROR_MESSAGE_MAP
+    errorMessages.eq(errorIndex).toggle !!errors[errorKey] 
+
+doTypingErrorCheck = () ->
+  errors = getAllErrors true
+  updateErrorVisibility errors
+  if (errorKey for own errorKey of errors).length > 0 && isErrorFree errors
+    submitButton.removeAttr "disabled"
+  else
+    submitButton.attr "disabled", "disabled"
+  
+# dom events
+
+loginForm.submit (event) ->
+  errors = getAllErrors(false)
+  return if isErrorFree(errors)
+  updateErrorVisibility errors
+  event.preventDefault()
+
+emailInput.change doTypingErrorCheck
+emailInput.keyup doTypingErrorCheck
+passwordInput.change doTypingErrorCheck 
+passwordInput.keyup doTypingErrorCheck
+
+# initialization
+
+doTypingErrorCheck()
diff --git a/validator.js b/validator.js
index 860dab4..100c54e 100644
--- a/validator.js
+++ b/validator.js
@@ -1,7 +1,115 @@
+// Generated by CoffeeScript 1.8.0
+(function() {
+  var EMAIL_REGEX, ERROR_MESSAGE_MAP, doTypingErrorCheck, emailInput, errorMessages, getAllErrors, getEmailErrors, getPasswordErrors, isErrorFree, loginForm, passwordInput, submitButton, updateErrorVisibility,
+    __hasProp = {}.hasOwnProperty;
 
-  //insert your code here
- 
-$(function(){
+  EMAIL_REGEX = /[a-z0-9._-]+@[a-z0-9._-]+\.[a-z0-9._-]+/i;
 
-  //insert your code here
-});
+  ERROR_MESSAGE_MAP = {
+    invalidEmail: 0,
+    passwordTooShort: 1,
+    passwordMissingDigit: 2,
+    passwordMissingCapitalLetter: 3
+  };
+
+  loginForm = $("form");
+
+  emailInput = loginForm.children("input[type='text']");
+
+  passwordInput = loginForm.children("input[type='password']");
+
+  submitButton = loginForm.children("input[type='submit']");
+
+  errorMessages = $(".errors li");
+
+  getEmailErrors = function(typing) {
+    var emailAddress;
+    emailAddress = emailInput.val();
+    if (emailAddress.length === 0 && typing) {
+      return {};
+    }
+    return {
+      invalidEmail: !EMAIL_REGEX.test(emailAddress)
+    };
+  };
+
+  getPasswordErrors = function(typing) {
+    var password;
+    password = passwordInput.val();
+    if (password.length === 0 && typing) {
+      return {};
+    }
+    return {
+      passwordTooShort: password.length < 8,
+      passwordMissingDigit: !/\d/.test(password),
+      passwordMissingCapitalLetter: !/[A-Z]/.test(password)
+    };
+  };
+
+  getAllErrors = function(typing) {
+    return $.extend({}, getEmailErrors(typing), getPasswordErrors(typing));
+  };
+
+  isErrorFree = function(errors) {
+    var errorKey, hasError;
+    for (errorKey in errors) {
+      if (!__hasProp.call(errors, errorKey)) continue;
+      hasError = errors[errorKey];
+      if (hasError) {
+        return false;
+      }
+    }
+    return true;
+  };
+
+  updateErrorVisibility = function(errors) {
+    var errorIndex, errorKey, _results;
+    _results = [];
+    for (errorKey in ERROR_MESSAGE_MAP) {
+      if (!__hasProp.call(ERROR_MESSAGE_MAP, errorKey)) continue;
+      errorIndex = ERROR_MESSAGE_MAP[errorKey];
+      _results.push(errorMessages.eq(errorIndex).toggle(!!errors[errorKey]));
+    }
+    return _results;
+  };
+
+  doTypingErrorCheck = function() {
+    var errorKey, errors;
+    errors = getAllErrors(true);
+    updateErrorVisibility(errors);
+    if (((function() {
+      var _results;
+      _results = [];
+      for (errorKey in errors) {
+        if (!__hasProp.call(errors, errorKey)) continue;
+        _results.push(errorKey);
+      }
+      return _results;
+    })()).length > 0 && isErrorFree(errors)) {
+      return submitButton.removeAttr("disabled");
+    } else {
+      return submitButton.attr("disabled", "disabled");
+    }
+  };
+
+  loginForm.submit(function(event) {
+    var errors;
+    errors = getAllErrors(false);
+    if (isErrorFree(errors)) {
+      return;
+    }
+    updateErrorVisibility(errors);
+    return event.preventDefault();
+  });
+
+  emailInput.change(doTypingErrorCheck);
+
+  emailInput.keyup(doTypingErrorCheck);
+
+  passwordInput.change(doTypingErrorCheck);
+
+  passwordInput.keyup(doTypingErrorCheck);
+
+  doTypingErrorCheck();
+
+}).call(this);