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diff --git a/lib/open_api_spex/cast_parameters.ex b/lib/open_api_spex/cast_parameters.ex
index 41c8c34..f682b67 100644
--- a/lib/open_api_spex/cast_parameters.ex
+++ b/lib/open_api_spex/cast_parameters.ex
@@ -1,97 +1,97 @@
defmodule OpenApiSpex.CastParameters do
@moduledoc false
alias OpenApiSpex.{Cast, Operation, Parameter, Schema, Reference, Components}
alias OpenApiSpex.Cast.{Error, Object}
alias Plug.Conn
@spec cast(Plug.Conn.t(), Operation.t(), Components.t()) ::
{:error, [Error.t()]} | {:ok, Conn.t()}
def cast(conn, operation, components) do
# Convert parameters to an object schema for the set location
casted_params =
operation.parameters
|> Enum.reduce(%{}, fn param, acc ->
# Operation's parameters list may include references - resolving here
parameter =
case param do
%Reference{} -> Reference.resolve_parameter(param, components.parameters)
%Parameter{} -> param
end
location_schema =
acc
|> Map.get(parameter.in)
|> add_to_location_schema(parameter)
Map.put(acc, parameter.in, location_schema)
end)
# then delegate to `Cast.Object.cast/1`
|> Enum.map(fn {location, location_schema} ->
params = get_params_by_location(conn, location, Map.keys(location_schema.properties))
ctx = %Cast{
value: params,
schema: location_schema,
schemas: components.schemas
}
Object.cast(ctx)
end)
full_cast_result =
Enum.reduce_while(casted_params, {:ok, %{}}, fn
{:ok, entry}, {:ok, acc} -> {:cont, {:ok, Map.merge(acc, entry)}}
- cast_error, acc -> {:halt, cast_error}
+ cast_error, _ -> {:halt, cast_error}
end)
case full_cast_result do
{:ok, result} -> {:ok, %{conn | params: result}}
err -> err
end
end
defp get_params_by_location(conn, :query, _) do
conn.query_params
end
defp get_params_by_location(conn, :path, _) do
conn.path_params
end
defp get_params_by_location(conn, :cookie, _) do
conn.req_cookies
end
defp get_params_by_location(conn, :header, expected_names) do
conn.req_headers
- |> Enum.filter(fn {key, value} ->
+ |> Enum.filter(fn {key, _value} ->
Enum.member?(expected_names, String.downcase(key))
end)
|> Map.new()
end
defp add_to_location_schema(nil, parameter) do
# Since there is no Schema on the "parameter" level, we create one here
template_schema = %Schema{
type: :object,
additionalProperties: false,
properties: %{},
required: []
}
add_to_location_schema(template_schema, parameter)
end
defp add_to_location_schema(location_schema, parameter) do
# Put the operation parameter to the proper location schema for validation
required =
case parameter.required do
true -> [parameter.name | location_schema.required]
_ -> location_schema.required
end
properties = Map.put(location_schema.properties, parameter.name, Parameter.schema(parameter))
- location_schema = %{location_schema | properties: properties, required: required}
+ %{location_schema | properties: properties, required: required}
end
end

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