58771ee37b
* Adds description to media items; hooks it up to indexing/media downloading * Added a search method using postgres fulltext search * Hooked up search functionality to the search form * Added persistence to the search form when on search page
44 lines
1 KiB
Elixir
44 lines
1 KiB
Elixir
defmodule Pinchflat.Utils.StringUtils do
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@moduledoc """
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Utility functions for working with strings
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"""
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@doc """
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Converts a string to kebab-case (ie: `hello world` -> `hello-world`)
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Returns binary()
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"""
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def to_kebab_case(string) do
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string
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|> String.replace(~r/[\s_]/, "-")
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|> String.downcase()
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end
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@doc """
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Returns a random string of the given length. Base 16 encoded, lower case.
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Returns binary()
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"""
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def random_string(length \\ 32) do
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:crypto.strong_rand_bytes(length)
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|> Base.encode16(case: :lower)
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|> String.slice(0..(length - 1))
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end
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@doc """
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Truncates a string to the given length and adds `...` if the string is longer than the given length.
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Will break on a word boundary. Nothing happens if the string is shorter than the given length.
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Returns binary()
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"""
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def truncate(string, length) do
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if String.length(string) > length do
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string
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|> String.slice(0..(length - 1))
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|> String.replace(~r/\s+\S*$/, "")
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|> Kernel.<>("...")
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else
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string
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end
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end
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end
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