Class: Saviour::LocalStorage

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

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ LocalStorage

Returns a new instance of LocalStorage.



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# File 'lib/saviour/local_storage.rb', line 5

def initialize(opts = {})
  @local_prefix = opts[:local_prefix]
  @public_url_prefix = opts[:public_url_prefix]
  @overwrite_protection = opts.fetch(:overwrite_protection, true)
end

Instance Method Details

#delete(path) ⇒ Object 



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# File 'lib/saviour/local_storage.rb', line 28

def delete(path)
  assert_exists(path)
  ::File.delete(real_path(path))
  ensure_removed_empty_dir(path)
end

#exists?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/saviour/local_storage.rb', line 34

def exists?(path)
  ::File.file?(real_path(path))
end

#public_url(path) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/saviour/local_storage.rb', line 38

def public_url(path)
  raise(RuntimeError, "You must provide a `public_url_prefix`") unless public_url_prefix
  ::File.join(public_url_prefix, path)
end

#read(path) ⇒ Object 



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# File 'lib/saviour/local_storage.rb', line 23

def read(path)
  assert_exists(path)
  ::File.open(real_path(path)).read
end

#write(contents, path) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/saviour/local_storage.rb', line 11

def write(contents, path)
  raise(RuntimeError, "The path you're trying to write already exists!") if @overwrite_protection && exists?(path)

  dir = ::File.dirname(real_path(path))
  FileUtils.mkdir_p(dir) unless ::File.directory?(dir)

  ::File.open(real_path(path), "w") do |f|
    f.binmode
    f.write(contents)
  end
end