elixir.deserializer.ex.mustache Maven / Gradle / Ivy
{{>licenseInfo}}
defmodule {{moduleName}}.Deserializer do
@moduledoc """
Helper functions for deserializing responses into models
"""
@doc """
Update the provided model with a deserialization of a nested value
"""
@spec deserialize(struct(), :atom, :atom, struct(), keyword()) :: struct()
def deserialize(model, field, :list, mod, options) do
model
|> Map.update!(field, &(Poison.Decode.decode(&1, Keyword.merge(options, [as: [struct(mod)]]))))
end
def deserialize(model, field, :struct, mod, options) do
model
|> Map.update!(field, &(Poison.Decode.decode(&1, Keyword.merge(options, [as: struct(mod)]))))
end
def deserialize(model, field, :map, mod, options) do
model
|> Map.update!(field, &(Map.new(&1, fn {key, val} -> {key, Poison.Decode.decode(val, Keyword.merge(options, [as: struct(mod)]))} end)))
end
def deserialize(model, field, :date, _, _options) do
value = Map.get(model, field)
case is_binary(value) do
true -> case DateTime.from_iso8601(value) do
{:ok, datetime, _offset} ->
Map.put(model, field, datetime)
_ ->
model
end
false -> model
end
end
end