utilities.rb in ferry-1.3.1

- old
+ new

@@ -1,25 +1,35 @@
 module Ferry
   class Utilities
+
+    def check_valid_db(db)
+      %w[sqlite3 postgresql mysql2].include?(db) ? true : false
+    end
+
+    def check_valid_filetype(filepath)
+      %w[.csv .json .sql .yml].include?(filepath.extname) ? true : false
+    end
+
     def db_connect(environment)
       db_config = YAML::load(IO.read("config/database.yml"))
-
       if db_config[environment].nil?
         raise "No database associated with #{environment} environment"
       end
-
       db_type = db_config[environment]["adapter"]
-
       if ['sqlite3', 'postgresql', 'mysql2'].include?(db_type)
         ActiveRecord::Base.establish_connection(adapter: db_type, database: db_config[environment]['database'])
         puts "operating with "+db_type
         return db_type
       else
         raise "#{db_type} is not supported by ferry at this time"
       end
     end
 
+    def execute(command)
+      `#{command}`
+    end
+
     def make_starter_file
       if !File.exist?("lib/tasks/ferry.rake")
         install_dir = `bundle show ferry`.chomp
         starter_file_contents = File.open("#{install_dir}/doc/ferry_rake_contents.rb", "rb")
         contents = starter_file_contents.read
@@ -31,7 +41,8 @@
     end
 
     def print_version
       puts "Ferry #{Ferry::VERSION}"
     end
+
   end
 end