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Elixir SDK for the Stellar network.
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lib/horizon/collection.ex
defmodule Stellar.Horizon.Collection do
@moduledoc """
Paginates data and returns collection-based results for multiple Horizon endpoints.
"""
alias Stellar.Horizon.CollectionError
@type resource :: module()
@type records :: [resource(), ...]
@type response :: map()
@type link :: String.t()
@type t :: %__MODULE__{records: records(), self: link(), prev: link(), next: link()}
defstruct [:records, :self, :next, :prev]
@spec new(response :: {resource(), response()}) :: t()
def new(
{resource,
%{
_embedded: %{records: records},
_links: %{self: %{href: self}, prev: %{href: prev}, next: %{href: next}}
}}
) do
%__MODULE__{records: Enum.map(records, &resource.new/1), self: self, prev: prev, next: next}
end
def new(_response), do: raise(CollectionError, :invalid_collection)
end