55 lines
1.6 KiB
Ruby
55 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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# Cleanup GraphQL original response hash from unnecessary nesting
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# 1. Remove ['data']['group'] or ['data']['project'] hash nesting
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# 2. Remove ['edges'] & ['nodes'] array wrappings
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# 3. Remove ['node'] hash wrapping
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#
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# @example
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# data = {"data"=>{"group"=> {
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# "name"=>"test",
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# "fullName"=>"test",
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# "description"=>"test",
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# "labels"=>{"edges"=>[{"node"=>{"title"=>"label1"}}, {"node"=>{"title"=>"label2"}}, {"node"=>{"title"=>"label3"}}]}}}}
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#
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# BulkImports::Common::Transformers::GraphqlCleanerTransformer.new.transform(nil, data)
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#
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# {"name"=>"test", "fullName"=>"test", "description"=>"test", "labels"=>[{"title"=>"label1"}, {"title"=>"label2"}, {"title"=>"label3"}]}
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module BulkImports
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module Common
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module Transformers
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class GraphqlCleanerTransformer
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EDGES = 'edges'
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NODE = 'node'
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def initialize(options = {})
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@options = options
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end
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def transform(_, data)
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return data unless data.is_a?(Hash)
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data = data.dig('data', 'group') || data.dig('data', 'project') || data
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clean_edges_and_nodes(data)
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end
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def clean_edges_and_nodes(data)
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case data
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when Array
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data.map(&method(:clean_edges_and_nodes))
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when Hash
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if data.key?(NODE)
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clean_edges_and_nodes(data[NODE])
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else
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data.transform_values { |value| clean_edges_and_nodes(value.try(:fetch, EDGES, value) || value) }
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end
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else
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data
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end
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end
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end
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end
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end
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end
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