Class: Steamer

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Steamer

Returns a new instance of Steamer.



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# File 'lib/steamer.rb', line 11

def initialize
  connect
end

Instance Attribute Details

#model_files ⇒ Object

Returns the value of attribute model_files.



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# File 'lib/steamer.rb', line 6

def model_files
  @model_files
end

#model_reflections ⇒ Object

Returns the value of attribute model_reflections.



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# File 'lib/steamer.rb', line 6

def model_reflections
  @model_reflections
end

#models ⇒ Object

Returns the value of attribute models.



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# File 'lib/steamer.rb', line 6

def models
  @models
end

#source_db ⇒ Object

Returns the value of attribute source_db.



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# File 'lib/steamer.rb', line 6

def source_db
  @source_db
end

#source_db_connection ⇒ Object

Returns the value of attribute source_db_connection.



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# File 'lib/steamer.rb', line 6

def source_db_connection
  @source_db_connection
end

Instance Method Details

#connect ⇒ Object

assuming sqlite3 db at the moment



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# File 'lib/steamer.rb', line 15

def connect # assuming sqlite3 db at the moment
  @source_db_name = Dir[File.join("./*/development.sqlite3")].first
  @destination_db_name = Dir[File.join("./*/test.sqlite3")].first 
  # read from sqlite3 db
  @source_db= ActiveRecord::Base.establish_connection({:adapter => "sqlite3",
                                                       :database  => @source_db_name})
  @source_db_connection = @source_db.connection
  @source_db.connected?
end

#get_model_files(root_dir = "./app/models/*") ⇒ Object 



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# File 'lib/steamer.rb', line 69

def get_model_files(root_dir = "./app/models/*")
	temp_arr = []
	Dir[File.join(root_dir)].each do |tok|
		if File.directory?(tok)
			temp_arr = temp_arr + get_model_files(tok.concat("/*"))
		else
			temp_arr.push tok
		end
	end
	return temp_arr		
end

#reset_tables ⇒ Object 



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# File 'lib/steamer.rb', line 63

def reset_tables
  # drop all tables, 
  
  # write_all_tables
end

#setup_models ⇒ Object 



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

def setup_models    
  # get all of the models, store in an Array
  @models = []

Kernel.subclasses_of(ActiveRecord::Base).each do |cl|
	if !cl.to_s.include?('ActiveRecord')
		@models.push cl
	end
end

## now I have all the models by name... construct a datastructure to hold them all
## once that is done, I can write them to the database...
@model_reflections = {}
begin 
  @models.each do |model|
  #  if (Kernel.subclasses_of(ActiveRecord::Base).member?(model))
  	@model_reflections[:model] = eval("#{model}.reflections")
  #  end
   end
rescue NameError => msg
  puts "sorry, #{msg}"
end
end

#write_all_tables ⇒ Object 



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# File 'lib/steamer.rb', line 49

def write_all_tables
  # for each table write_table(table)
  
  # write associations to the tables (i.e. the foreign keys)
end

#write_table(table) ⇒ Object

protected?



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# File 'lib/steamer.rb', line 55

def write_table(table) # protected?
   # locate the model in @models
   
   # get a connection to the table
   
   # write to the table based on its types
end