spc-pleroma/lib/pleroma/web/twitter_api/representers/base_representer.ex

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defmodule Pleroma.Web.TwitterAPI.Representers.BaseRepresenter do
defmacro __using__(_opts) do
quote do
def to_json(object) do to_json(object, %{}) end
def to_json(object, options) do
object
|> to_map(options)
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|> Jason.encode!
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end
def enum_to_list(enum, options) do
mapping = fn (el) -> to_map(el, options) end
Enum.map(enum, mapping)
end
def to_map(object) do
to_map(object, %{})
end
def enum_to_json(enum) do enum_to_json(enum, %{}) end
def enum_to_json(enum, options) do
enum
|> enum_to_list(options)
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|> Jason.encode!
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end
end
end
end