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The RoR tutorials posit one model per table for the ORM to work. My DB schema has some 70 tables divided conceptually into 5 groups of functionality (eg, any given table lives in one and only one functional group, and relations between tables of different groups are minimised.) So: should I design a model per conceptual group, or should I simply have 70 Rails models and leave the grouping 'conceptual'? Thanks!
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Ruby on Rails Best Practice: Keep Your Code DRY Ruby on Rails' object-oriented principles are built to help you avoid duplicating code throughout your web application. Whenever possible, a great Ruby on Rails tip is to re-use as much code as possible instead of repeating similar code in many places.
c) Ruby on Rails is the language on which Shopify itself is built, so creating a custom app with RoR as its foundation will ensure it talks seamlessly to your Shopify store.
Most likely, you should have 70 models. You could namespace the models to have 5 namespaces, one for each group, but that can be more trouble than it's worth. More likely, you have some common functionality throughout each group. In that case, I'd make a module for each group containing its behavior, and include that in each relevant model. Even if there's no shared functionality, doing this can let you quickly query a model for its conceptual group.
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