Add phenotype_updated column to snps table

Signed-off-by: Vivek Rai <vivekrai.iitkgp@gmail.com>

app/models/phenotype.rb

@@ -4,7 +4,6 @@ class Phenotype < ActiveRecord::Base
   has_many :user_phenotypes, dependent: :destroy
   has_many :phenotype_comments, dependent: :destroy
   has_and_belongs_to_many :phenotype_sets
-  has_and_belongs_to_many :snps
 
   has_many :phenotype_snps
   has_many :snps, through: :phenotype_snps

app/models/snp.rb

@@ -46,6 +46,15 @@ def self.update_frequencies
     end
   end
 
+  def self.update_phenotypes
+    max_age = 31.days.ago
+
+    Snp.select([:id, :phenotype_updated]).where(phenotype_updated < max_age)
+       .find_each do |snp|
+      Sidekiq::Client.enqueue(SnpToPhenotype, snp.id)
+    end
+  end
+
   %w(snpedia mendeley genome_gov plos).each do |source|
     define_method(:"#{source}_papers") do
       klass = "#{source.camelize}Paper".constantize

app/workers/snps_phenotypes.rb → app/workers/phenotype_snp.rb

@@ -4,8 +4,9 @@ class SnpToPhenotype
   attr_reader :snp, :client
 
   def perform(snp_id)
+    # could possible use the max_age limit here
     @snp = Snp.find(snp_id)
-    if snp && valid_snp_names.include?(snp.name) && snp.phenotypes_updated < 31.days.ago
+    if snp && valid_snp_names.include?(snp.name)
       score_pehnotype
     end
   end

db/migrate/20160517034748_add_phenotype_updated_to_snps.rb

@@ -0,0 +1,5 @@
+class AddPhenotypeUpdatedToSnps < ActiveRecord::Migration
+  def change
+    add_column :snps, :phenotype_updated, :timestamp
+  end
+end