bugfix: fix OrientDb::Client.instance method, witch was returning TrueClass

.gitlab-ci.yml

@@ -3,4 +3,4 @@ test:
   - gem install bundler
   - bundle install
   - bundle exec rake db:migrate RAILS_ENV=test
-  - bundle exec rake test
+  - bundle exec rake test
\ No newline at end of file

config/initializers/orientdb.rb

-require 'yaml'
-
-orientdb_configs = YAML.load_file Rails.root.join('config').to_s.concat('/orientdb.yml')
-env_config = orientdb_configs.fetch(Rails.env)
-
-if Rails.env.production?
-  OrientDb::Config.host = ENV['PORTALMEC_ORIENTDB_HOST']
-  OrientDb::Config.database = ENV['PORTALMEC_ORIENTDB_DATABASE']
-  OrientDb::Config.user = ENV['PORTALMEC_ORIENTDB_USERNAME']
-  OrientDb::Config.password = ENV['PORTALMEC_ORIENTDB_PASSWD']
-  OrientDb::Config.port = ENV['PORTALMEC_ORIENTDB_PORT']
-else
-  OrientDb::Config.host = env_config['host']
-  OrientDb::Config.database = env_config['database']
-  OrientDb::Config.user = env_config['username']
-  OrientDb::Config.password = env_config['password']
-end
\ No newline at end of file

config/initializers/repositories.rb → config/initializers/repositories/repositories.rb

+require 'yaml'
+
+# connect to orientdb server
+orientdb_configs = YAML.load_file Rails.root.join('config').to_s.concat('/orientdb.yml')
+env_config = orientdb_configs.fetch(Rails.env)
+
+OrientDb::Config.host = env_config['host']
+OrientDb::Config.database = env_config['database']
+OrientDb::Config.user = env_config['username']
+OrientDb::Config.password = env_config['password']
+
 Repository::Environments.create :development do |repository|
   repository.register :learning_object, OrientDb::LearningObjectRepository.new(OrientDb::Client.instance)
   repository.register :mainPage, OrientDb::MainPageRepository.new(OrientDb::Client.instance)

config/orientdb.yml

 development: &development
-  host: mecdb2.c3sl.ufpr.br
-  database: PortalMEC
+  host: localhost
+  database: portalmec
   username: admin
   password: admin
   port: 2480

lib/orient_db/client.rb

@@ -9,6 +9,7 @@ class OrientDb::Client
     begin
       @@client = Orientdb4r.client :host => OrientDb::Config::host, :port => OrientDb::Config::port, :ssl => OrientDb::Config::ssl
       @@client.connect(database: OrientDb::Config::database, user: OrientDb::Config::user, password: OrientDb::Config::password)
+      @@client
     rescue Orientdb4r::UnauthorizedError => e
       raise 'Wrong orient db credentials'
     end

lib/orient_db/migrations.rb

@@ -9,6 +9,7 @@ class OrientDb::Migrations
     @migrations << CreateHighlight.new(client)
     @migrations << CreateUniversity.new(client)
     @migrations << CreateUser.new(client)
+    @migrations << CreateMainpage.new(client)
   end
 
   ##