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Ruby representers without a library
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| module PostRepresenter | |
| include Representer | |
| using Representer | |
| def basic(post) | |
| select(post, :id, :name) | |
| end | |
| def details(post) | |
| basic(post) & comments(post) | |
| end | |
| def comments(post) | |
| { comments: post.comments.map {|c| CommentRepresenter.basic(c) } | |
| end | |
| end |
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| # requires ruby 2.1+ | |
| module Representer | |
| extend ActiveSupport::Concern | |
| refine Hash do | |
| alias_method :&, :merge | |
| end | |
| included do | |
| extend self | |
| end | |
| protected | |
| def select(obj, *fields) | |
| fields.map {|field| { field => obj.send(field) } }.inject({}, :merge) | |
| end | |
| end |
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