Class: Corpshort::Backends::Memory

Inherits:
Base
  • Object
show all
Defined in:
lib/corpshort/backends/memory.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#rename_link

Constructor Details

#initialize ⇒ Memory

Returns a new instance of Memory.



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# File 'lib/corpshort/backends/memory.rb', line 8

def initialize()
  @lock = Mutex.new
  @links = {}
  @links_by_url = {}
end

Instance Attribute Details

Returns the value of attribute links.



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# File 'lib/corpshort/backends/memory.rb', line 14

def links
  @links
end

#links_by_url ⇒ Object (readonly)

Returns the value of attribute links_by_url.



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# File 'lib/corpshort/backends/memory.rb', line 14

def links_by_url
  @links_by_url
end

Instance Method Details



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# File 'lib/corpshort/backends/memory.rb', line 41

def delete_link(link)
  @lock.synchronize do
    name = link.is_a?(String) ? link : link.name
    data = @links[name]
    if @links[name]
      @links.delete name
      @links_by_url[data[:url]].delete name
    end
  end
end

#get_link(name) ⇒ Object 



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# File 'lib/corpshort/backends/memory.rb', line 32

def get_link(name)
  data = @links[name]
  if data && !data.empty?
    Link.new(data, backend: self)
  else
    nil
  end
end

#list_links(token: nil, limit: 30) ⇒ Object 



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# File 'lib/corpshort/backends/memory.rb', line 56

def list_links(token: nil, limit: 30)
  [@links.keys, nil]
end

#list_links_by_url(url) ⇒ Object 



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# File 'lib/corpshort/backends/memory.rb', line 52

def list_links_by_url(url)
  @links_by_url[url].keys
end

#put_link(link, create_only: false) ⇒ Object 



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# File 'lib/corpshort/backends/memory.rb', line 16

def put_link(link, create_only: false)
  @lock.synchronize do
    old_link = @links[link.name]
    if create_only && old_link
      raise ConflictError
    end
    old_url = old_link&.fetch(:url, nil)
    if old_link && link.url != old_url
      @links_by_url[old_url].delete(link.name)
    end
    @links[link.name] = link.to_h
    (@links_by_url[link.url] ||= {})[link.name] = true
  end
  nil
end