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36 lines
1.1 KiB
Elixir
36 lines
1.1 KiB
Elixir
defmodule PhilomenaWeb.UserAttributionView do
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alias Philomena.Attribution
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use Bitwise
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use PhilomenaWeb, :view
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def anonymous_name(object) do
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salt = anonymous_name_salt()
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id = Attribution.object_identifier(object)
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user_id = Attribution.best_user_identifier(object)
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(:erlang.crc32(salt <> id <> user_id) &&& 0xffff)
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|> Integer.to_string(16)
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end
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def anonymous_avatar(_object, class \\ "avatar--100px") do
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img_tag(Routes.static_path(PhilomenaWeb.Endpoint, "/images/no_avatar.svg"), class: class)
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end
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def user_avatar(object, class \\ "avatar--100px")
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def user_avatar(%{user: nil} = object, class),
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do: anonymous_avatar(object, class)
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def user_avatar(%{user: %{avatar: nil}} = object, class),
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do: anonymous_avatar(object, class)
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def user_avatar(%{user: %{avatar: avatar}}, class),
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do: img_tag(avatar_url_root() <> "/" <> avatar, class: class)
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defp avatar_url_root do
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Application.get_env(:philomena, :avatar_url_root)
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end
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defp anonymous_name_salt do
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Application.get_env(:philomena, :anonymous_name_salt)
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|> to_string()
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end
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end
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