solar05 / exisbn

ISBN utility library for Elixir.

Exisbn

ISBN utility library for Elixir.

Installation

The package available in Hex and can be installed by adding exisbn to your list of dependencies in mix.exs:

def deps do
  [
    {:exisbn, "~> 2.0"}
  ]
end

Documentation with examples can be found at HexDocs.

Usage

Full list of examples presented at documentation page.

Hyphens:

Exisbn.hyphenate("9788535902778")
{:ok, "978-85-359-0277-8"}

Exisbn.hyphenate("0306406152")
{:ok, "0-306-40615-2"}

Exisbn.hyphenate("str")
{:error, :invalid_isbn}

Validations:

Exisbn.valid?("978-5-12345-678-1")
true

Exisbn.valid?("978-5-12345-678")
false

Exisbn.valid?("85-359-0277-5")
true

Exisbn.valid?("85-359-0277")
false

Exisbn.correct_hyphens?("978-85-359-0277-8")
true
Exisbn.correct_hyphens?("97-8853590277-8")
false
Exisbn.correct_hyphens?("0-306-40615-2")
true
Exisbn.correct_hyphens?("03-064-06152")
false

Exisbn.checkdigit_correct?("85-359-0277-5")
true
Exisbn.checkdigit_correct?("978-5-12345-678-1")
true
Exisbn.checkdigit_correct?("978-5-12345-678")
false

Additional info:

Exisbn.publisher_zone("9788535902778")
{:ok, "Brazil"}
Exisbn.publisher_zone("2-1234-5680-2")
{:ok, "French language"}
Exisbn.publisher_zone("str")
{:error, :invalid_isbn}

Exisbn.fetch_registrant_element("9788535902778")
{:ok, "359"}
Exisbn.fetch_registrant_element("978-1-86197-876-9")
{:ok, "86197"}

Exisbn.fetch_publication_element("978-1-86197-876-9")
{:ok, "876"}
Exisbn.fetch_publication_element("9789529351787")
{:ok, "5178"}

Exisbn.fetch_prefix("9788535902778")
{:ok, "978-85"}
Exisbn.fetch_prefix("2-1234-5680-2")
{:ok, "978-2"}

Exisbn.fetch_checkdigit("9788535902778")
{:ok, 8}
Exisbn.fetch_checkdigit("2-1234-5680-2")
{:ok, 2}