user model: add find_with_omniauth/create_with_omniauth

Signed-off-by: Andrej Shadura <andrew.shadura@collabora.co.uk>

src/api/app/models/user.rb

@@ -283,6 +283,31 @@ class User < ActiveRecord::Base
     end
   end
 
+  def self.find_with_omniauth(auth)
+    if auth
+      email = auth['info']['email']
+      user = find_by_email(email)
+      if user
+        user.mark_login!
+
+        return user
+      end
+    end
+  end
+
+  def self.create_with_omniauth(auth, login)
+    provider = CONFIG['sso_auth'][auth['provider']]['description'] || OmniAuth::Utils.camelize(auth['provider'])
+    email = auth['info']['email']
+    logger.debug("Creating OmniAuth user for #{provider}")
+    logger.debug("Email: #{email}")
+    logger.debug("Name : #{auth['info']['name']}")
+
+    return create_external_user(login: login,
+                                email: email,
+                                realname: auth['info']['name'],
+                                password_hash_type: 'invalid',
+                                adminnote: "User created via #{provider}")
+  end
   # This method checks whether the given value equals the password when
   # hashed with this user's password hash type. Returns a boolean.
   def password_equals?(value)