Merge pull request #146 from azul/refactor/engines

Refactor/engines

1 files changed, 136 insertions, 0 deletions

diff --git a/app/models/identity.rb b/app/models/identity.rb
new file mode 100644
index 0000000..9b97b51
--- /dev/null
+++ b/app/models/identity.rb
@@ -0,0 +1,136 @@
+class Identity < CouchRest::Model::Base
+  include LoginFormatValidation
+
+  use_database :identities
+
+  belongs_to :user
+
+  property :address, LocalEmail
+  property :destination, Email
+  property :keys, HashWithIndifferentAccess
+
+  validate :unique_forward
+  validate :alias_available
+  validate :address_local_email
+  validate :destination_email
+
+  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;
+        }
+        if (typeof doc.keys === "object") {
+          emit(doc.address, doc.keys["pgp"]);
+        }
+      }
+    EOJS
+    view :disabled,
+      map: <<-EOJS
+      function(doc) {
+        if (doc.type != 'Identity') {
+          return;
+        }
+        if (typeof doc.user_id === "undefined") {
+          emit(doc._id, 1);
+        }
+      }
+    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.disable_all_for(user)
+    Identity.by_user_id.key(user.id).each do |identity|
+      identity.disable
+      identity.save
+    end
+  end
+
+  def self.destroy_all_disabled
+    Identity.disabled.each do |identity|
+      identity.destroy
+    end
+  end
+
+  def self.attributes_from_user(user)
+    { user_id: user.id,
+      address: user.email_address,
+      destination: user.email_address
+    }
+  end
+
+  def enabled?
+    self.destination && self.user_id
+  end
+
+  def disable
+    self.destination = nil
+    self.user_id = nil
+  end
+
+  def keys
+    read_attribute('keys') || HashWithIndifferentAccess.new
+  end
+
+  def set_key(type, key)
+    return if keys[type] == key.to_s
+    write_attribute('keys', keys.merge(type => key.to_s))
+  end
+
+  # for LoginFormatValidation
+  def login
+    self.address.handle
+  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
+
+  def address_local_email
+    return if address.valid? #this ensures it is LocalEmail
+    self.errors.add(:address, address.errors.messages[:email].first) #assumes only one error
+  end
+
+  def destination_email
+    return if destination.nil?   # this identity is disabled
+    return if destination.valid? # this ensures it is Email
+    self.errors.add(:destination, destination.errors.messages[:email].first) #assumes only one error #TODO
+  end
+
+end