Class: MakumbaImport::KeyHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/makumba_import/key_handler.rb

Class Method Summary collapse

Class Method Details

.get_dbsv ⇒ Object 



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# File 'lib/makumba_import/key_handler.rb', line 11

def self.get_dbsv
  @dbsv
end

.init_redis(redis) ⇒ Object 



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# File 'lib/makumba_import/key_handler.rb', line 15

def self.init_redis(redis)
  @redis = redis
end

.next_primary_key(model) ⇒ Object 



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# File 'lib/makumba_import/key_handler.rb', line 19

def self.next_primary_key(model)
  @redis.incr "maxprimary_#{model.table_name}_#{@dbsv}"
end

.set_dbsv(dbsv) ⇒ Object 



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# File 'lib/makumba_import/key_handler.rb', line 7

def self.set_dbsv(dbsv)
  @dbsv = dbsv
end

.update_redis_keys ⇒ Object 



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# File 'lib/makumba_import/key_handler.rb', line 23

def self.update_redis_keys
  Dir[Rails.root.to_s + '/app/models/**/*.rb'].each do |file| 
    begin
      require file
    rescue
    end
  end

  models = ActiveRecord::Base.subclasses.select{|m| m.descends_from_active_record?}.collect { |type| type.name }.sort

  models.each do |model|
    begin
      object      = Object.const_get(model)
      primary_key = object.primary_key
      current_max = object.unscoped.maximum(primary_key, :conditions => ["#{primary_key} > ? and #{primary_key} < ?", @dbsv << 24, (@dbsv + 1) << 24]) || ((@dbsv << 24) + 1)
      redis_key   = "maxprimary_#{model.table_name}_#{@dbsv}"

      @redis.set redis_key, current_max
      puts "updated #{model} - #{model.table_name}"
    rescue => e
      puts "#{model} - #{e}"
    end
  end

end