Class: JunglePath::DBAccess::Import::Select

Inherits:
Object
  • Object
show all
Defined in:
lib/jungle_path/db_access/import/select.rb

Instance Method Summary collapse

Constructor Details

#initialize(config, logger = nil) ⇒ Select

Returns a new instance of Select.



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# File 'lib/jungle_path/db_access/import/select.rb', line 11

def initialize(config, logger=nil)
	@logger = logger
	@path = config.import_file_path
	#@db = JunglePath::DBAccess::IO::DB.new(config, logger)
end

Instance Method Details

#_model(model) ⇒ Object 



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# File 'lib/jungle_path/db_access/import/select.rb', line 17

def _model(model)
	nil
end

#_model_by_any(model) ⇒ Object 



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# File 'lib/jungle_path/db_access/import/select.rb', line 21

def _model_by_any(model)
	nil
end

#_models(model) ⇒ Object 



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# File 'lib/jungle_path/db_access/import/select.rb', line 25

def _models(model)
	#if @db
	#	@db.select._models(model)
	#else
		from_file(model)
	#end
end

#_models_from_file(model) ⇒ Object 



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# File 'lib/jungle_path/db_access/import/select.rb', line 33

def _models_from_file(model)
	from_file(model)
end

#from_file(model) ⇒ Object 



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# File 'lib/jungle_path/db_access/import/select.rb', line 37

def from_file(model)
	# select all of a given model.
	file_name = JunglePath::DBAccess::Import.data_file_name(@path, model.class.table_name)
	puts "file_name: #{file_name}."
	models = []
	lines = File.readlines(file_name)
	puts "lines.count: #{lines.count}."
	lines.each do |line|
		values = line.split("\t")
		hash = to_hash(model, values)
		params = JunglePath::Controller::Base.transform(hash, model.class.columns)
		models << model.class.new(params, false)
	end
	models
end

#to_hash(model, values) ⇒ Object 



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# File 'lib/jungle_path/db_access/import/select.rb', line 53

def to_hash(model, values)
	hash = {}
	i = 0
	model._columns.keys.each do |key|
		value = values[i]
		if value == '\N'
			value = nil
		end
		hash[key] = value
		i += 1
	end
	hash
end