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require 'apollo_upload_server/graphql_data_builder'
module ApolloUploadServer
class Middleware
# Strict mode requires that all mapped files are present in the mapping arrays.
class_attribute :strict_mode, default: false
def initialize(app)
@app = app
end
def call(env)
unless env['CONTENT_TYPE'].to_s.include?('multipart/form-data')
return @app.call(env)
end
request = ActionDispatch::Request.new(env)
params = request.params
if params['operations'].present? && params['map'].present?
result = GraphQLDataBuilder.new(strict_mode: self.class.strict_mode).call(request.params)
result&.each do |key, value|
request.update_param(key, value)
end
end
@app.call(env)
end
end
end
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