Add oauth session controller

lib/rails_api_authentication.rb

 require "rails_api_authentication/version"
+require "rails_api_authentication/user_error"
 require "rails_api_authentication/configuration"
 require "rails_api_authentication/auth_action"
 require "rails_api_authentication/auth_session"
+require "rails_api_authentication/oauth_session"
 require "rails_api_authentication/code_session"
 require "rails_api_authentication/auth_password"
 require "rails_api_authentication/auth_token"

lib/rails_api_authentication/acts_as_authentication_handler.rb

@@ -12,6 +12,13 @@ module RailsApiAuthentication
       auth_session klass_sym
     end
 
+    def acts_as_oauth_session(klass_sym)
+      include RailsApiAuthentication::AuthAction
+      include RailsApiAuthentication::OauthSession
+      auth_action klass_sym, only: [:destroy]
+      oauth_session klass_sym
+    end
+
     def acts_as_auth_password(klass_sym)
       include RailsApiAuthentication::AuthAction
       include RailsApiAuthentication::AuthPassword

lib/rails_api_authentication/authable.rb

@@ -72,6 +72,13 @@ module RailsApiAuthentication
         AuthToken.create(self, oauth_params(params).merge({ oid: user.id }) )
       end
 
+      def oauth_login(oauth_type, oauth_id)
+        user = self.find_or_create_by oauth_type: oauth_type, oauth_id: oauth_id
+        AuthToken.create(
+          self, {oid: user.id, oauth_type: oauth_type, oauth_id: oauth_id }
+        )
+      end
+
       def auth!(request)
         token = request.env["HTTP_#{self.to_s.upcase}_TOKEN"] || request.env["#{self.to_s.upcase}_TOKEN"]
         user = auth(token)

lib/rails_api_authentication/oauth_session.rb

+module RailsApiAuthentication
+  module OauthSession
+    extend ActiveSupport::Concern
+
+    included do
+    end
+
+    def create
+      @auth_token = self.class.klass.oauth_login(session_params.delete(:oauth_type), session_params.delete(:oauth_id))
+      render json: { token: @auth_token.token }, status: 200
+    rescue UserError => e
+      render json: { error: e.message }, status: e.status
+    end
+
+    def destroy
+      self.send("current_#{self.class.klass_sym}")&.logout
+      render json: { message: "logout successful" }, status: 200
+    end
+
+    private 
+      def session_params
+        params.require(self.class.klass_sym).permit(:oauth_type, :oauth_id)
+      end
+
+    module ClassMethods
+      attr_reader :klass, :klass_sym
+      def oauth_session klass_sym
+        @klass = klass_sym.to_s.camelize.constantize
+        @klass_sym = klass_sym
+      end
+    end
+  end
+end