Class: SampleManifestExcel::Upload::Cache

Inherits:
Object
  • Object
show all
Defined in:
app/sample_manifest_excel/sample_manifest_excel/upload/cache.rb

Overview

In order to optimize performance and avoid n+1 query problems we load all our information upfront

Instance Method Summary collapse

Constructor Details

#initialize(base) ⇒ Cache

Returns a new instance of Cache


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# File 'app/sample_manifest_excel/sample_manifest_excel/upload/cache.rb', line 10

def initialize(base)
  @base = base
  @manifest_assets = {}
end

Instance Method Details

#find_by(options) ⇒ Object


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# File 'app/sample_manifest_excel/sample_manifest_excel/upload/cache.rb', line 19

def find_by(options)
  populate! if @manifest_assets.empty? && @base.sample_manifest.present?
  @manifest_assets[options.fetch(:sanger_sample_id)]
end

#populate!Object


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# File 'app/sample_manifest_excel/sample_manifest_excel/upload/cache.rb', line 15

def populate!
  @manifest_assets = @base.sample_manifest.indexed_manifest_assets
end