Class: Orthoses::Ancestry

Inherits:
Object
  • Object
show all
Defined in:
lib/orthoses/ancestry.rb,
lib/orthoses/ancestry/version.rb

Constant Summary collapse

VERSION = 
'0.1.0'

Instance Method Summary collapse

Constructor Details

#initialize(loader) ⇒ Ancestry

Returns a new instance of Ancestry.



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# File 'lib/orthoses/ancestry.rb', line 7

def initialize(loader)
  @loader = loader
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/orthoses/ancestry.rb', line 11

def call
  tracer = CallTracer::Lazy.new
  store = tracer.trace('Ancestry::HasAncestry#has_ancestry') do
    @loader.call
  end

  tracer.captures.each do |capture|
    base_name = Utils.module_name(capture.method.receiver) or next
    rel = "#{base_name}::ActiveRecord_Relation"

    options = capture.argument[:options] || {}
    ancestry_format = options[:ancestry_format] || ::Ancestry.default_ancestry_format

    has_ancestry_sig = 'extend Ancestry::HasAncestry'
    unless store['ActiveRecord::Base'].body.include?(has_ancestry_sig)
      store['ActiveRecord::Base'] << has_ancestry_sig
    end

    store[base_name] << "include Ancestry::InstanceMethods[#{base_name}, #{rel}, Integer]"
    store[base_name] << "extend Ancestry::ClassMethods[#{base_name}, #{rel}, Integer]"

    if ancestry_format == :materialized_path2
      store[base_name] << "extend Ancestry::MaterializedPath2[#{base_name}, #{rel}, Integer]"
      store[base_name] << 'include Ancestry::MaterializedPathPg'
      store[base_name] << "include Ancestry::MaterializedPath::InstanceMethods[#{base_name}, Integer]"
      store[base_name] << 'include Ancestry::MaterializedPath2::InstanceMethods[Integer]'

      store[rel] << "include Ancestry::ClassMethods[#{base_name}, #{rel}, Integer]"
      store[rel] << "include Ancestry::MaterializedPath2[#{base_name}, #{rel}, Integer]"
    else
      store[base_name] << "extend Ancestry::MaterializedPath[#{base_name}, #{rel}, Integer]"
      store[base_name] << 'include Ancestry::MaterializedPathPg'
      store[base_name] << "include Ancestry::MaterializedPath::InstanceMethods[#{base_name}, Integer]"

      store[rel] << "include Ancestry::ClassMethods[#{base_name}, #{rel}, Integer]"
      store[rel] << "include Ancestry::MaterializedPath[#{base_name}, #{rel}, Integer]"
    end

    store[base_name] << 'def self.ancestry_column: () -> Symbol'
    store[base_name] << 'def self.ancestry_delimiter: () -> String'
    store[base_name] << "def self.ancestry_base_class: () -> singleton(#{base_name})"

    store[base_name] << 'def self.touch_ancestors: () -> bool'
    store[base_name] << 'def touch_ancestors: () -> bool'
    store[base_name] << 'def self.touch_ancestors=: (bool val) -> bool'
    store[base_name] << 'def touch_ancestors=: (bool val) -> bool'

    if options[:cache_depth] && options[:cache_depth] != :virtual
      store[base_name] << 'def self.depth_cache_column: () -> String'
      store[base_name] << 'def depth_cache_column: () -> String'
      store[base_name] << 'def self.depth_cache_column=: (String val) -> String'
      store[base_name] << 'def depth_cache_column=: (String val) -> String'
    end

    if options[:counter_cache]
      store[base_name] << 'def self.counter_cache_column: () -> String'
      store[base_name] << 'def counter_cache_column: () -> String'
      store[base_name] << 'def self.counter_cache_column=: (String val) -> String'
      store[base_name] << 'def counter_cache_column=: (String val) -> String'
    end

    orphan_strategy = options[:orphan_strategy] || :destroy
    unless orphan_strategy.to_s == 'none'
      store[base_name] << "alias apply_orphan_strategy apply_orphan_strategy_#{orphan_strategy}"
    end
  end

  store
end