demarches-normaliennes/app/controllers/api/v2/graphql_controller.rb

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class API::V2::GraphqlController < API::V2::BaseController
def execute
result = API::V2::Schema.execute(query,
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variables: variables,
context: context,
operation_name: params[:operationName])
render json: result
rescue GraphQL::ParseError, JSON::ParserError => exception
handle_parse_error(exception)
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rescue => exception
if Rails.env.production?
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handle_error_in_production(exception)
else
handle_error_in_development(exception)
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end
end
private
def append_info_to_payload(payload)
super
payload.merge!({
graphql_query: query(fallback: params[:queryId]),
graphql_variables: to_unsafe_hash(params[:variables]).to_json
})
end
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def process_action(*args)
super
rescue ActionDispatch::Http::Parameters::ParseError => exception
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render json: {
errors: [
{ message: exception.cause.message }
],
data: nil
}, status: 400
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end
def query(fallback: nil)
if params[:queryId].present?
API::V2::StoredQuery.get(params[:queryId], fallback: fallback)
else
params[:query]
end
end
def variables
ensure_hash(params[:variables])
end
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# Handle form data, JSON body, or a blank value
def ensure_hash(ambiguous_param)
case ambiguous_param
when String
if ambiguous_param.present?
ensure_hash(JSON.parse(ambiguous_param))
else
{}
end
when Hash
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ambiguous_param
when ActionController::Parameters
ambiguous_param.to_unsafe_h
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when nil
{}
else
raise ArgumentError, "Unexpected parameter: #{ambiguous_param}"
end
end
def to_unsafe_hash(ambiguous_param)
case ambiguous_param
when String
if ambiguous_param.present?
JSON.parse(ambiguous_param)
else
{}
end
when ActionController::Parameters
ambiguous_param.to_unsafe_h
else
ambiguous_param
end
rescue JSON::ParserError
{}
end
def handle_parse_error(exception)
render json: {
errors: [
{ message: exception.message }
],
data: nil
}, status: 400
end
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def handle_error_in_development(exception)
logger.error exception.message
logger.error exception.backtrace.join("\n")
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render json: {
errors: [
{ message: exception.message, backtrace: exception.backtrace }
],
data: nil
}, status: 500
end
def handle_error_in_production(exception)
id = SecureRandom.uuid
Sentry.capture_exception(exception, extra: { exception_id: id })
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render json: {
errors: [
{
message: "Internal Server Error",
extensions: {
exception: { id: id }
}
}
],
data: nil
}, status: 500
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end
end