Raise ArgumentError if client uses preview without proper configuration

watermarkchurch / wcc-contentful

An alternative to Contentful's contentful.rb ruby client, contentful_model, and contentful_rails gems all in one.

MIT License

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Raise ArgumentError if client uses preview without proper configuration #33

Closed rorJeremy closed 6 years ago

rorJeremy commented 6 years ago

Right now, if a user makes a 'find_by' call to the preview api using the gem without having first configured the gem with a contentful preview token, you'll get a 500 NoMethodError that says you can't use find_by on Nil. This PR just raises an error for that scenario that explains the situation a little more clear.