Class: TomatoHarvest::List

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/tomatoharvest/list.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, items = nil) ⇒ List

Returns a new instance of List.



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# File 'lib/tomatoharvest/list.rb', line 16

def initialize(path, items = nil)
  @path  = path
  @items = items || []
end

Instance Attribute Details

#items ⇒ Object (readonly)

Returns the value of attribute items.



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# File 'lib/tomatoharvest/list.rb', line 8

def items
  @items
end

Class Method Details

.init_and_load(*args) ⇒ Object 



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# File 'lib/tomatoharvest/list.rb', line 12

def self.init_and_load(*args)
  new(*args).load!
end

Instance Method Details

#add(item) ⇒ Object 



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# File 'lib/tomatoharvest/list.rb', line 47

def add(item)
  if last_item = @items.last
    id = last_item.id
  else
    id = 0
  end
  item.id = id + 1

  @items << item
end

#find(id) ⇒ Object 



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# File 'lib/tomatoharvest/list.rb', line 29

def find(id)
  @items.find do |item|
    item.id == id.to_i
  end
end

#load! ⇒ Object 



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# File 'lib/tomatoharvest/list.rb', line 21

def load!
  if File.exists?(@path) && items = YAML.load_file(@path)
    @items = items
  end
  
  self
end

#remove(id) ⇒ Object 



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# File 'lib/tomatoharvest/list.rb', line 58

def remove(id)
  @items.delete_if do |item|
    item.id == id.to_i
  end
end

#save! ⇒ Object 



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# File 'lib/tomatoharvest/list.rb', line 35

def save!
  dir = File.dirname(@path)
  FileUtils.mkdir_p(dir) unless File.directory?(dir)

  yaml = YAML.dump(@items)
  File.open(@path, "w+") do |f|
    f.write(yaml)
  end

  self
end