Merge pull request #64 from azul/feature/identity-rewrite

Feature/identity rewrite

7 files changed, 184 insertions, 116 deletions

diff --git a/users/app/models/account_settings.rb b/users/app/models/account_settings.rb
new file mode 100644
index 0000000..a73a95a
--- /dev/null
+++ b/users/app/models/account_settings.rb
@@ -0,0 +1,36 @@
+class AccountSettings
+
+  def initialize(user)
+    @user = user
+  end
+
+  def update(attrs)
+    if attrs[:password_verifier].present?
+      update_login(attrs[:login])
+      @user.update_attributes attrs.slice(:password_verifier, :password_salt)
+    end
+    # TODO: move into identity controller
+    update_pgp_key(attrs[:public_key]) if attrs.has_key? :public_key
+    @user.save && save_identities
+  end
+
+  protected
+
+  def update_login(login, verifier)
+    return unless login.present?
+    @old_identity = Identity.for(@user)
+    @user.login = login
+    @new_identity = Identity.for(@user) # based on the new login
+    @old_identity.destination = @user.email_address # alias old -> new
+  end
+
+  def update_pgp_key(key)
+    @new_identity ||= Identity.for(@user)
+    @new_identity.set_key(:pgp, key)
+  end
+
+  def save_identities
+    @new_identity.try(:save) && @old_identity.try(:save)
+  end
+
+end
diff --git a/users/app/models/email.rb b/users/app/models/email.rb
index 6d82f2a..1bcff1c 100644
--- a/users/app/models/email.rb
+++ b/users/app/models/email.rb
@@ -1,33 +1,22 @@
-module Email
-  extend ActiveSupport::Concern
+class Email < String
+  include ActiveModel::Validations
 
-  included do
-    validates :email,
-      :format => {
-        :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/,
-        :message => "needs to be a valid email address"
-      }
-  end
-
-  def initialize(attributes = nil, &block)
-    attributes = {:email => attributes} if attributes.is_a? String
-    super(attributes, &block)
-  end
-
-  def to_s
-    email
-  end
-
-  def ==(other)
-    other.is_a?(Email) ? self.email == other.email : self.email == other
-  end
+  validates :email,
+    :format => {
+      :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/,
+      :message => "needs to be a valid email address"
+    }
 
   def to_partial_path
     "emails/email"
   end
 
   def to_param
-    email
+    to_s
+  end
+
+  def email
+    self
   end
 
 end
diff --git a/users/app/models/identity.rb b/users/app/models/identity.rb
new file mode 100644
index 0000000..355f67a
--- /dev/null
+++ b/users/app/models/identity.rb
@@ -0,0 +1,82 @@
+class Identity < CouchRest::Model::Base
+
+  use_database :identities
+
+  belongs_to :user
+
+  property :address, LocalEmail
+  property :destination, Email
+  property :keys, HashWithIndifferentAccess
+
+  validate :unique_forward
+  validate :alias_available
+
+  design do
+    view :by_user_id
+    view :by_address_and_destination
+    view :by_address
+    view :pgp_key_by_email,
+      map: <<-EOJS
+      function(doc) {
+        if (doc.type != 'Identity') {
+          return;
+        }
+        emit(doc.address, doc.keys["pgp"]);
+      }
+    EOJS
+
+  end
+
+  def self.for(user, attributes = {})
+    find_for(user, attributes) || build_for(user, attributes)
+  end
+
+  def self.find_for(user, attributes = {})
+    attributes.reverse_merge! attributes_from_user(user)
+    find_by_address_and_destination [attributes[:address], attributes[:destination]]
+  end
+
+  def self.build_for(user, attributes = {})
+    attributes.reverse_merge! attributes_from_user(user)
+    Identity.new(attributes)
+  end
+
+  def self.create_for(user, attributes = {})
+    identity = build_for(user, attributes)
+    identity.save
+    identity
+  end
+
+  def self.attributes_from_user(user)
+    { user_id: user.id,
+      address: user.email_address,
+      destination: user.email_address
+    }
+  end
+
+  def keys
+    read_attribute('keys') || HashWithIndifferentAccess.new
+  end
+
+  def set_key(type, value)
+    return if keys[type] == value
+    write_attribute('keys', keys.merge(type => value))
+  end
+
+  protected
+
+  def unique_forward
+    same = Identity.find_by_address_and_destination([address, destination])
+    if same && same != self
+      errors.add :base, "This alias already exists"
+    end
+  end
+
+  def alias_available
+    same = Identity.find_by_address(address)
+    if same && same.user != self.user
+      errors.add :base, "This email has already been taken"
+    end
+  end
+
+end
diff --git a/users/app/models/local_email.rb b/users/app/models/local_email.rb
index 69cba01..c1f7c11 100644
--- a/users/app/models/local_email.rb
+++ b/users/app/models/local_email.rb
@@ -1,63 +1,39 @@
-class LocalEmail
-  include CouchRest::Model::Embeddable
-  include Email
+class LocalEmail < Email
 
-  property :username, String
 
-  before_validation :strip_domain_if_needed
-
-  validates :username,
-    :presence => true,
-    :format => { :with => /\A([^@\s]+)(@#{APP_CONFIG[:domain]})?\Z/i, :message => "needs to be a valid login or email address @#{APP_CONFIG[:domain]}"}
-
-  validate :unique_on_server
-  validate :unique_alias_for_user
-  validate :differs_from_login
-
-  validates :casted_by, :presence => true
-
-  def email
-    return '' if username.nil?
-    username + '@' + APP_CONFIG[:domain]
+  def self.domain
+    APP_CONFIG[:domain]
   end
 
-  def email=(value)
-    return if value.blank?
-    self.username = value
-    strip_domain_if_needed
+  validates :email,
+    :format => {
+      :with => /@#{domain}\Z/i,
+      :message => "needs to end in @#{domain}"
+    }
+
+  def initialize(s)
+    super
+    append_domain_if_needed
   end
 
   def to_key
-    [username]
+    [handle]
   end
 
-  protected
-
-  def unique_on_server
-    has_email = User.find_by_login_or_alias(username)
-    if has_email && has_email != self.casted_by
-      errors.add :username, "has already been taken"
-    end
+  def handle
+    gsub(/@#{domain}/i, '')
   end
 
-  def unique_alias_for_user
-    aliases = self.casted_by.email_aliases
-    if aliases.select{|a|a.username == self.username}.count > 1
-      errors.add :username, "is already your alias"
-    end
+  def domain
+    LocalEmail.domain
   end
 
-  def differs_from_login
-    # If this has not changed but the email let's mark the email invalid instead.
-    return if self.persisted?
-    user = self.casted_by
-    if user.login == self.username
-      errors.add :username, "may not be the same as your email address"
-    end
-  end
+  protected
 
-  def strip_domain_if_needed
-    self.username.gsub! /@#{APP_CONFIG[:domain]}/i, ''
+  def append_domain_if_needed
+    unless self.index('@')
+      self << '@' + domain
+    end
   end
 
 end
diff --git a/users/app/models/remote_email.rb b/users/app/models/remote_email.rb
deleted file mode 100644
index 4fe7425..0000000
--- a/users/app/models/remote_email.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class RemoteEmail
-  include CouchRest::Model::Embeddable
-  include Email
-
-  property :email, String
-
-  def username
-    email.spilt('@').first
-  end
-
-  def domain
-    email.split('@').last
-  end
-end
diff --git a/users/app/models/signup_service.rb b/users/app/models/signup_service.rb
new file mode 100644
index 0000000..f316ca9
--- /dev/null
+++ b/users/app/models/signup_service.rb
@@ -0,0 +1,9 @@
+class SignupService
+
+  def register(attrs)
+    User.create(attrs).tap do |user|
+      Identity.create_for user
+    end
+  end
+
+end
diff --git a/users/app/models/user.rb b/users/app/models/user.rb
index 413b4ac..0a89f7c 100644
--- a/users/app/models/user.rb
+++ b/users/app/models/user.rb
@@ -6,11 +6,6 @@ class User < CouchRest::Model::Base
   property :password_verifier, String, :accessible => true
   property :password_salt, String, :accessible => true
 
-  property :email_forward, String, :accessible => true
-  property :email_aliases, [LocalEmail]
-
-  property :public_key, :accessible => true
-
   property :enabled, TrueClass, :default => true
 
   validates :login, :password_salt, :password_verifier,
@@ -43,10 +38,6 @@ class User < CouchRest::Model::Base
     :confirmation => true,
     :format => { :with => /.{8}.*/, :message => "needs to be at least 8 characters long" }
 
-  validates :email_forward,
-    :allow_blank => true,
-    :format => { :with => /\A(([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,}))?\Z/, :message => "needs to be a valid email address"}
-
   timestamps!
 
   design do
@@ -54,19 +45,6 @@ class User < CouchRest::Model::Base
     load_views(own_path.join('..', 'designs', 'user'))
     view :by_login
     view :by_created_at
-    view :pgp_key_by_handle,
-      map: <<-EOJS
-      function(doc) {
-        if (doc.type != 'User') {
-          return;
-        }
-        emit(doc.login, doc.public_key);
-        doc.email_aliases.forEach(function(alias){
-          emit(alias.username, doc.public_key);
-        });
-      }
-    EOJS
-
   end # end of design
 
   class << self
@@ -105,16 +83,30 @@ class User < CouchRest::Model::Base
     APP_CONFIG['admins'].include? self.login
   end
 
-  # this currently only adds the first email address submitted.
-  # All the ui needs for now.
-  def email_aliases_attributes=(attrs)
-    email_aliases.build(attrs.values.first) if attrs
-  end
-
   def most_recent_tickets(count=3)
     Ticket.for_user(self).limit(count).all #defaults to having most recent updated first
   end
 
+  # DEPRECATED
+  #
+  # Please set the key on the identity directly
+  # WARNING: This will not be serialized with the user record!
+  # It is only a workaround for the key form.
+  def public_key=(value)
+    identity.set_key(:pgp, value)
+  end
+
+  # DEPRECATED
+  #
+  # Please access identity.keys[:pgp] directly
+  def public_key
+    identity.keys[:pgp]
+  end
+
+  def identity
+    @identity ||= Identity.for(self)
+  end
+
   protected
 
   ##
@@ -122,12 +114,10 @@ class User < CouchRest::Model::Base
   ##
 
   def login_is_unique_alias
-    has_alias = User.find_by_login_or_alias(username)
-    return if has_alias.nil?
-    if has_alias != self
+    alias_identity = Identity.find_by_address(self.email_address)
+    return if alias_identity.blank?
+    if alias_identity.user != self
       errors.add(:login, "has already been taken")
-    elsif has_alias.login != self.login
-      errors.add(:login, "may not be the same as one of your aliases")
     end
   end