Module: ModelFact

Includes:
TR::CondUtils
Defined in:
lib/model_fact/helpers/ar_helpers.rb,
lib/model_fact.rb,
lib/model_fact/version.rb,
lib/model_fact/registry.rb,
lib/model_fact/helpers/model_helper.rb,
lib/model_fact/helpers/poro_helpers.rb,
lib/model_fact/helpers/filter_builder.rb

Overview

Helper for ActiveRecord

Defined Under Namespace

Modules: Helpers, ModelHelper Classes: DuplicatedIDException, Error, InvalidParamValue, ModelNotAvailable, ModelNotFound, Registry

Constant Summary collapse

VERSION = 
"0.1.1"

Class Method Summary collapse

Class Method Details

.instance(id, raise_if_not_found = true) ⇒ Object

To be used by buss app to get model object by given id



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# File 'lib/model_fact.rb', line 44

def self.instance(id, raise_if_not_found = true)
  res = Registry.instance.find(id)
  if res.nil? 
    if raise_if_not_found
      raise ModelNotFound, "Given ID '#{id}' is not registered"
    else
      nil
    end
  else

    if defined?(ActiveRecord)
      require_relative 'model_fact/helpers/ar_helpers'
      logger.debug "ActiveRecord defined for class!"
      if res.ancestors.include?(ActiveRecord::Base) 
        logger.debug "Including ActiveRecordHelper into #{res}"
        res.send(:include, ModelFact::Helpers::ActiveRecordHelper)
      end
    end

    res

  end
end

.logger(tag = nil, &block) ⇒ Object 



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# File 'lib/model_fact.rb', line 95

def self.logger(tag = nil, &block)
  if @_logger.nil?
    @_logger = TeLogger::Tlogger.new(File.join(Dir.home,"test123.log"))
  end

  if block
    if not_empty?(tag)
      @_logger.with_tag(tag, &block)
    else
      @_logger.with_tag(@_logger.tag, &block)
    end
  else
    if is_empty?(tag)
      @_logger.tag = :model_fact
      @_logger
    else
      # no block but tag is given? hmm
      @_logger.tag = tag
      @_logger
    end
  end

end

.method_missing(mtd, *args, &block) ⇒ Object 



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# File 'lib/model_fact.rb', line 87

def self.method_missing(mtd, *args, &block)
  if Registry.instance.respond_to?(mtd)
    Registry.instance.send(mtd, *args, &block)
  else
    super
  end
end

.new_instance(id, *args, &block) ⇒ Object 



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# File 'lib/model_fact.rb', line 68

def self.new_instance(id, *args, &block)
  cls = instance(id, true)
  logger.debug "new_instance got #{cls}"
  inst = cls.send(:new, *args, &block)
  if defined?(ActiveRecord)
    require_relative 'model_fact/helpers/ar_helpers'
    logger.debug "ActiveRecord defined!"
    if inst.is_a?(ActiveRecord::Base) #and inst.class.include?(ModelFact::Helpers::ActiveRecordHelper)
      logger.debug "Including ActiveRecordHelper into #{cls}"
      inst.class.send(:include, ModelFact::Helpers::ActiveRecordHelper)
    end
  end
  inst
end

.on_event(id = nil, event = nil, opts = {}, &block) ⇒ Object 



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# File 'lib/model_fact.rb', line 83

def self.on_event(id = nil, event = nil, opts = {}, &block)
  Registry.instance.on_event(id, event, opts, &block)
end

.register(id, cls, opts = {}) ⇒ Object 



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# File 'lib/model_fact.rb', line 25

def self.register(id, cls, opts = {})
  Registry.instance.register(id, cls, opts)
end

.try_register(id, cls, opts = { }) ⇒ Object

try_register will not throw exception if ID already registered



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# File 'lib/model_fact.rb', line 30

def self.try_register(id, cls, opts = { })
  
  opts = { } if opts.nil?
  
  if Registry.instance.is_registered?(id) or (not_empty?(opts[:alias]) and Registry.instance.is_alias_registered?(opts[:alias]))
    false
  else
    register(id, cls, opts)
    true
  end
end