Handling merge conflict.

app/lib/forms.coffee

@@ -9,12 +9,12 @@ module.exports.formToObject = (el) ->
 
   obj
 
-module.exports.applyErrorsToForm = (el, errors) ->
+module.exports.applyErrorsToForm = (el, errors, warning=false) ->
   errors = [errors] if not $.isArray(errors)
-  missingErrors = []
   for error in errors
     if error.dataPath
       prop = error.dataPath[1..]
+      console.log prop
       message = error.message
 
     else
@@ -23,16 +23,28 @@ module.exports.applyErrorsToForm = (el, errors) ->
       message = error.message if error.formatted
       prop = error.property
 
-    input = $("[name='#{prop}']", el)
-    if not input.length
-      missingErrors.push(error)
-      continue
-    formGroup = input.closest('.form-group')
-    formGroup.addClass 'has-error'
-    formGroup.append($("<span class='help-block error-help-block'>#{message}</span>"))
-  return missingErrors
+    setErrorToProperty el, prop, message, warning
+
+module.exports.setErrorToField = setErrorToField = (el, message, warning=false) ->
+  formGroup = el.closest('.form-group')
+  unless formGroup.length
+    return console.error "#{el} did not contain a form group"
+
+  kind = if warning then 'warning' else 'error'
+  formGroup.addClass "has-#{kind}"
+  formGroup.append $("<span class='help-block #{kind}-help-block'>#{message}</span>")
+
+module.exports.setErrorToProperty = setErrorToProperty = (el, property, message, warning=false) ->
+  input = $("[name='#{property}']", el)
+  unless input.length
+    return console.error "#{property} not found in #{el}"
+
+  setErrorToField input, message, warning
 
 module.exports.clearFormAlerts = (el) ->
   $('.has-error', el).removeClass('has-error')
+  $('.has-warning', el).removeClass('has-warning')
   $('.alert.alert-danger', el).remove()
+  $('.alert.alert-warning', el).remove()
   el.find('.help-block.error-help-block').remove()
+  el.find('.help-block.warning-help-block').remove()

app/models/User.coffee

@@ -69,6 +69,13 @@ module.exports = class User extends CocoModel
     cache[idOrSlug] = user
     user
 
+  @getUnconflictedName: (name, done) ->
+    $.ajax "/auth/name/#{name}",
+      success: (data) -> done data.name
+      statusCode: 409: (data) ->
+        response = JSON.parse data.responseText
+        done response.name
+
   getEnabledEmails: ->
     @migrateEmails()
     emails = _.clone(@get('emails')) or {}

app/templates/account/settings.jade

@@ -9,7 +9,7 @@ block content
 
   else
     #save-button-container
-      button.btn#save-button.disabled.secret(data-i18n="account_settings.autosave") Changes Save Automatically
+      button.btn#save-button.disabled(data-i18n="general.save" disabled="true") No Changes
   
     ul.nav.nav-pills#settings-tabs
       li
@@ -30,16 +30,19 @@ block content
       #general-pane.tab-pane
         p
           .form
+            - var name = me.get('name') || '';
+            - var email = me.get('email');
+            - var admin = me.get('permissions').indexOf('admin') != -1;
             .form-group
               label.control-label(for="name", data-i18n="general.name") Name
-              input#name.form-control(name="name", type="text", value="#{me.get('name') || ''}")
+              input#name.form-control(name="name", type="text", value="#{name}")
             .form-group
               label.control-label(for="email", data-i18n="general.email") Email
-              input#email.form-control(name="email", type="text", value="#{me.get('email')}")
+              input#email.form-control(name="email", type="text", value="#{email}")
             if !isProduction
               .form-group.checkbox
                 label(for="admin", data-i18n="account_settings.admin") Admin
-                input#admin(name="admin", type="checkbox", checked=me.get('permissions').indexOf('admin') != -1)
+                input#admin(name="admin", type="checkbox", checked=admin)
               
   
       #picture-pane.tab-pane

app/templates/modal/auth.jade

@@ -34,6 +34,12 @@ block modal-body-content
         input#password.input-large.form-control(name="password", type="password", value=formValues.password)
 
     if mode === 'signup'
+      .form-group
+        label.control-label(for="name", data-i18n="general.name") Name
+        if me.get('name')
+          input#name.input-large.form-control(name="name", type="text", value="#{me.get('name')}")
+        else
+          input#name.input-large.form-control(name="name", type="text", value="", placeholder="Anoner")
       .form-group.checkbox
         label.control-label(for="subscribe")
           input#subscribe(name="subscribe", type="checkbox", checked='checked')

app/views/account/settings_view.coffee

@@ -11,17 +11,73 @@ JobProfileView = require './job_profile_view'
 module.exports = class SettingsView extends View
   id: 'account-settings-view'
   template: template
+  changedFields: [] # DOM input fields
 
   events:
     'click #save-button': 'save'
-    'change #settings-panes input': 'save'
+    'change #settings-panes input:checkbox': (e) -> @trigger 'checkboxToggled', e
+    'keyup #settings-panes input:text, #settings-panes input:password': (e) -> @trigger 'inputChanged', e
+    'keyup #name': 'onNameChange'
     'click #toggle-all-button': 'toggleEmailSubscriptions'
+    'keypress #settings-panes': 'onKeyPress'
 
   constructor: (options) ->
     @save =  _.debounce(@save, 200)
+    @onNameChange = _.debounce @checkNameExists, 500
     super options
     return unless me
+
     @listenTo(me, 'invalid', (errors) -> forms.applyErrorsToForm(@$el, me.validationError))
+    @on 'checkboxToggled', @onToggle
+    @on 'checkboxToggled', @onInputChanged
+    @on 'inputChanged', @onInputChanged
+    @on 'enterPressed', @onEnter
+
+  onInputChanged: (e) ->
+    return @enableSaveButton() unless e?.currentTarget
+    that = e.currentTarget
+    $that = $(that)
+    savedValue = $that.data 'saved-value'
+    currentValue = $that.val()
+    if savedValue isnt currentValue
+      @changedFields.push that unless that in @changedFields
+      @enableSaveButton()
+    else
+      _.pull @changedFields, that
+      @disableSaveButton() if _.isEmpty @changedFields
+
+  onToggle: (e) ->
+    $that = $(e.currentTarget)
+    $that.val $that[0].checked
+
+  onEnter: ->
+    @save()
+
+  onKeyPress: (e) ->
+    @trigger 'enterPressed', e if e.which is 13
+
+  enableSaveButton: ->
+    $('#save-button', @$el).removeClass 'disabled'
+    $('#save-button', @$el).removeClass 'btn-danger'
+    $('#save-button', @$el).removeAttr 'disabled'
+    $('#save-button', @$el).text 'Save'
+
+  disableSaveButton: ->
+    $('#save-button', @$el).addClass 'disabled'
+    $('#save-button', @$el).removeClass 'btn-danger'
+    $('#save-button', @$el).attr 'disabled', "true"
+    $('#save-button', @$el).text 'No Changes'
+
+  checkNameExists: =>
+    name = $('#name', @$el).val()
+    return if name is me.get 'name'
+    User.getUnconflictedName name, (newName) =>
+      forms.clearFormAlerts(@$el)
+      if name is newName
+        @suggestedName = undefined
+      else
+        @suggestedName = newName
+        forms.setErrorToProperty @$el, 'name', "That name is taken! How about #{newName}?", true
 
   afterRender: ->
     super()
@@ -50,6 +106,7 @@ module.exports = class SettingsView extends View
     super()
     if me.get('anonymous')
       @openModalView new AuthModalView()
+    @updateSavedValues()
 
   chooseTab: (category) ->
     id = "##{category}-pane"
@@ -98,7 +155,7 @@ module.exports = class SettingsView extends View
     @$el.find('.gravatar-fallback').toggle not me.get 'photoURL'
 
   onPictureChanged: (e) =>
-    @trigger 'change'
+    @trigger 'inputChanged', e
     @$el.find('.gravatar-fallback').toggle not me.get 'photoURL'
 
   save: (e) ->
@@ -122,7 +179,9 @@ module.exports = class SettingsView extends View
       errors = JSON.parse(res.responseText)
       forms.applyErrorsToForm(@$el, errors)
       save.text($.i18n.t('account_settings.error_saving', defaultValue: 'Error Saving')).removeClass('btn-success').addClass('btn-danger', 500)
-    res.success (model, response, options) ->
+    res.success (model, response, options) =>
+      @changedFields = []
+      @updateSavedValues()
       save.text($.i18n.t('account_settings.saved', defaultValue: 'Changes Saved')).removeClass('btn-success', 500)
 
   grabData: ->
@@ -142,6 +201,7 @@ module.exports = class SettingsView extends View
       me.set('password', password1)
 
   grabOtherData: ->
+    $('#name', @$el).val @suggestedName if @suggestedName
     me.set 'name', $('#name', @$el).val()
     me.set 'email', $('#email', @$el).val()
     for emailName, enabled of @getSubscriptions()
@@ -162,3 +222,9 @@ module.exports = class SettingsView extends View
     if updated
       jobProfile.updated = (new Date()).toISOString()
       me.set 'jobProfile', jobProfile
+
+  updateSavedValues: ->
+    $('#settings-panes input:text').each ->
+      $(@).data 'saved-value', $(@).val()
+    $('#settings-panes input:checkbox').each ->
+      $(@).data 'saved-value', JSON.stringify $(@)[0].checked

app/views/modal/auth_modal.coffee

@@ -15,11 +15,16 @@ module.exports = class AuthModalView extends View
     'click #switch-to-signup-button': 'onSignupInstead'
     'click #signup-confirm-age': 'checkAge'
     'submit': 'onSubmitForm' # handles both submit buttons
+    'keyup #name': 'onNameChange'
 
   subscriptions:
     'server-error': 'onServerError'
     'logging-in-with-facebook': 'onLoggingInWithFacebook'
 
+  constructor: (options) ->
+    @onNameChange = _.debounce @checkNameExists, 500
+    super options
+
   getRenderData: ->
     c = super()
     c.showRequiredError = @options.showRequiredError
@@ -31,6 +36,7 @@ module.exports = class AuthModalView extends View
     c.mode = @mode
     c.formValues = @previousFormInputs or {}
     c.onEmployersPage = Backbone.history.fragment is "employers"
+    c.me = me
     c
     
   afterInsert: ->
@@ -64,6 +70,8 @@ module.exports = class AuthModalView extends View
     userObject = forms.formToObject @$el
     delete userObject.subscribe
     delete userObject['confirm-age']
+    delete userObject.name if userObject.name is ''
+    userObject.name = @suggestedName if @suggestedName
     for key, val of me.attributes when key in ['preferredLanguage', 'testGroupNumber', 'dateCreated', 'wizardColor1', 'name', 'music', 'volume', 'emails']
       userObject[key] ?= val
     subscribe = @$el.find('#signup-subscribe').prop('checked')
@@ -82,3 +90,14 @@ module.exports = class AuthModalView extends View
 
   onServerError: (e) -> # TODO: work error handling into a separate forms system
     @disableModalInProgress(@$el)
+
+  checkNameExists: =>
+    name = $('#name', @$el).val()
+    return forms.clearFormAlerts(@$el) if name is ''
+    User.getUnconflictedName name, (newName) =>
+      forms.clearFormAlerts(@$el)
+      if name is newName
+        @suggestedName = undefined
+      else
+        @suggestedName = newName
+        forms.setErrorToProperty @$el, 'name', "That name is taken! How about #{newName}?", true

app/views/modal/wizard_settings_modal.coffee

@@ -4,20 +4,22 @@ WizardSprite = require 'lib/surface/WizardSprite'
 ThangType = require 'models/ThangType'
 {me} = require 'lib/auth'
 forms = require 'lib/forms'
+User = require 'models/User'
 
 module.exports = class WizardSettingsModal extends View
   id: 'wizard-settings-modal'
   template: template
   closesOnClickOutside: false
 
+  events:
+    'keyup #wizard-settings-name': -> @trigger 'nameChanged'
+    'click #wizard-settings-done': 'onWizardSettingsDone'
+
   constructor: (options) ->
     @onNameChange = _.debounce(@checkNameExists, 500)
+    @on 'nameChanged', @onNameChange
     super options
 
-  events:
-    'keyup #wizard-settings-name': 'onNameChange'
-    'click #wizard-settings-done': 'onWizardSettingsDone'
-
   afterRender: ->
     WizardSettingsView = require 'views/account/wizard_settings_view'
     view = new WizardSettingsView()
@@ -27,10 +29,10 @@ module.exports = class WizardSettingsModal extends View
   checkNameExists: =>
     forms.clearFormAlerts(@$el)
     name = $('#wizard-settings-name').val()
-    success = (id) =>
+    User.getUnconflictedName name, (newName) =>
       forms.clearFormAlerts(@$el)
-      forms.applyErrorsToForm(@$el, {property: 'name', message: 'is already taken'}) if id and id isnt me.id
-    $.ajax("/db/user/#{name}/nameToID", {success: success})
+      if name isnt newName
+        forms.setErrorToProperty @$el, 'name', 'This name is already taken so you won\'t be able to keep it.', true
 
   onWizardSettingsDone: ->
     me.set('name', $('#wizard-settings-name').val())

server/routes/auth.coffee

@@ -157,13 +157,30 @@ module.exports.setup = (app) ->
         res.send msg + '<p><a href="/account/settings">Account settings</a></p>'
         res.end()
 
+  app.get '/auth/name/*', (req, res) ->
+    parts = req.path.split '/'
+    console.log parts
+    originalName = parts[3]
+
+    return errors.badInput res, 'No name provided.' unless originalName and originalName isnt ''
+    return errors.notFound res if parts.length isnt 4
+
+    User.unconflictName originalName, (err, name) ->
+      return errors.serverError res, err if err
+      response = name: name
+      if originalName is name
+        res.send 200, response
+      else
+        errors.conflict res, response
+
+
 module.exports.loginUser = loginUser = (req, res, user, send=true, next=null) ->
   user.save((err) ->
     return errors.serverError res, err if err?
 
     req.logIn(user, (err) ->
       return errors.serverError res, err if err?
-      return res.send user if send
+      return res.send(user) and res.end() if send
       next() if next
     )
   )

test/server/functional/auth.spec.coffee

@@ -152,3 +152,27 @@ describe '/auth/unsubscribe', ->
           expect(user.get('emails').recruitNotes.enabled).toBe(false)
           expect(user.isEmailSubscriptionEnabled('generalNews')).toBeTruthy()
           done()
+
+describe '/auth/name', ->
+  url = '/auth/name'
+
+  it 'must provide a name to check with', (done) ->
+    request.get {url: getURL(url + '/'), json: {}}, (err, response) ->
+      expect(err).toBeNull()
+      expect(response.statusCode).toBe 422
+      done()
+
+  it 'can GET a non-conflicting name', (done) ->
+    request.get {url: getURL(url + '/Gandalf'), json: {}}, (err, response) ->
+      expect(err).toBeNull()
+      expect(response.statusCode).toBe 200
+      expect(response.body.name).toBe 'Gandalf'
+      done()
+
+  it 'can GET a new name in case of conflict', (done) ->
+    request.get {url: getURL(url + '/joe'), json: {}}, (err, response) ->
+      expect(err).toBeNull()
+      expect(response.statusCode).toBe 409
+      expect(response.body.name).not.toBe 'joe'
+      expect(response.body.name.length).toBe 4 # 'joe' and a random number
+      done()