Module: Strategic

Defined in:
lib/strategic.rb,
lib/strategic/strategy.rb

Overview

Copyright © 2020-2021 Andy Maleh

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Defined Under Namespace

Modules: ClassMethods, ExtraRailsMethods, ExtraRubyMethods, Strategy

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args, &block) ⇒ Object 



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# File 'lib/strategic.rb', line 156

def method_missing(method_name, *args, &block)
  if strategy&.respond_to?(method_name, *args, &block)
    strategy.send(method_name, *args, &block)
  else
    begin
      super
    rescue => e
      raise "No strategy is set to handle the method #{method_name} with args #{args.inspect} and block #{block.inspect} / " + e.message
    end
  end
end

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/strategic.rb', line 23

def self.included(klass)
  klass.extend(ClassMethods)
  klass.require_strategies
  rails_mode = klass.respond_to?(:column_names) && klass.column_names.include?('strategy_name')
  if rails_mode
    klass.include(ExtraRailsMethods)
    klass.after_initialize :reload_strategy
  else
    klass.include(ExtraRubyMethods)
  end
  klass.default_strategy 'default'
end

Instance Method Details

#reload_strategy ⇒ Object 



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# File 'lib/strategic.rb', line 152

def reload_strategy
  self.strategy = strategy_name
end

#respond_to?(method_name, *args, &block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/strategic.rb', line 168

def respond_to?(method_name, *args, &block)
  strategy&.respond_to?(method_name, *args, &block) || super
end

#strategy ⇒ Object 



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# File 'lib/strategic.rb', line 148

def strategy
  @strategy
end

#strategy=(string_or_class_or_object) ⇒ Object 



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# File 'lib/strategic.rb', line 143

def strategy=(string_or_class_or_object)
  strategy_class = self.class.strategy_class_for(string_or_class_or_object)
  self.strategy_name = strategy_class&.strategy_name
end