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# This class handles error responses and reporting.
#
# https://luckyframework.org/guides/http-and-routing/error-handling
class Errors::Show < Lucky::ErrorAction
DEFAULT_MESSAGE = "Something went wrong."
default_format :html
dont_report [Lucky::RouteNotFoundError, Avram::RecordNotFoundError]
def render(error : Lucky::RouteNotFoundError | Avram::RecordNotFoundError)
if html?
error_html "Sorry, we couldn't find that page.", status: 404
else
error_json "Not found", status: 404
end
end
# When the request is JSON and an InvalidOperationError is raised, show a
# helpful error with the param that is invalid, and what was wrong with it.
def render(error : Avram::InvalidOperationError)
if html?
error_html DEFAULT_MESSAGE, status: 500
else
error_json \
message: error.renderable_message,
details: error.renderable_details,
param: error.invalid_attribute_name,
status: 400
end
end
# Always keep this below other 'render' methods or it may override your
# custom 'render' methods.
def render(error : Lucky::RenderableError)
if html?
error_html DEFAULT_MESSAGE, status: error.renderable_status
else
error_json error.renderable_message, status: error.renderable_status
end
end
# If none of the 'render' methods return a response for the raised Exception,
# Lucky will use this method.
def default_render(error : Exception) : Lucky::Response
if html?
error_html DEFAULT_MESSAGE, status: 500
else
error_json DEFAULT_MESSAGE, status: 500
end
end
private def error_html(message : String, status : Int)
context.response.status_code = status
html_with_status Errors::ShowPage, status, message: message, status_code: status
end
private def error_json(message : String, status : Int, details = nil, param = nil)
json ErrorSerializer.new(message: message, details: details, param: param), status: status
end
private def report(error : Exception) : Nil
# Send to Rollbar, send an email, etc.
end
end
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