Retrospring/app/controllers/ajax_controller.rb

94 lines
1.9 KiB
Ruby

# frozen_string_literal: true
class AjaxController < ApplicationController
before_action :build_response
after_action :return_response
respond_to :json
rescue_from(StandardError) do |e|
Sentry.capture_exception(e)
@response = {
success: false,
message: "Something went wrong",
status: :err
}
return_response
end
rescue_from(KeyError) do |e|
Sentry.capture_exception(e)
@response = {
success: false,
message: "Missing parameter: #{e.key}",
status: :err
}
return_response
end
rescue_from(Dry::Types::CoercionError, Dry::Types::ConstraintError) do |e|
Sentry.capture_exception(e)
@response = {
success: false,
message: "Invalid parameter",
status: :err
}
return_response
end
rescue_from(ActiveRecord::RecordNotFound) do |e|
Sentry.capture_exception(e)
@response = {
success: false,
message: "Record not found",
status: :not_found
}
return_response
end
rescue_from(ActionController::ParameterMissing) do |e|
Sentry.capture_exception(e)
@response = {
success: false,
message: I18n.t("messages.parameter_error", parameter: e.param.capitalize),
status: :parameter_error
}
return_response
end
def find_active_announcements
# We do not need announcements here
end
private
def build_response
@response = {
success: false,
message: "",
status: "unknown"
}
end
def return_response
# Q: Why don't we just use render(json:) here?
# A: Because otherwise Rails wants us to use views, which do not make much sense here.
#
# Q: Why do we always return 200?
# A: Because JQuery might not do things we want it to if we don't.
response.status = 200
response.headers["Content-Type"] = "application/json"
response.body = @response.to_json
end
end