adds fetch_all_team_samples method/spec

app/services/tasks/samples_to_repository_migration_service.rb

@@ -1,3 +1,7 @@
+# Helper module for dealing with the migration from samples
+# to custom repositories. We need to query with SQL because probably we will not
+# have the "Sample" and other related models at the time this code will execute
+
 module Tasks
   module SamplesToRepositoryMigrationService
     def self.prepare_repository(team, copy_num = 0)
@@ -67,7 +71,8 @@ module Tasks
         RepositoryListItem.create(
           data: item.fetch('name') { "sample group item (#{index})" },
           created_by_id: item.fetch('created_by_id') { team.created_by_id },
-          last_modified_by_id: item.fetch('last_modified_by_id') { team.created_by_id },
+          last_modified_by_id:
+            item.fetch('last_modified_by_id') { team.created_by_id },
           repository_column: repository_columns.first,
           repository: repository
         )
@@ -77,7 +82,8 @@ module Tasks
         RepositoryListItem.create(
           data: item.fetch('name') { "sample group item (#{index})" },
           created_by_id: item.fetch('created_by_id') { team.created_by_id },
-          last_modified_by_id: item.fetch('last_modified_by_id') { team.created_by_id },
+          last_modified_by_id:
+            item.fetch('last_modified_by_id') { team.created_by_id },
           repository_column: repository_columns.last,
           repository: repository
         )
@@ -108,5 +114,23 @@ module Tasks
       SQL
       ActiveRecord::Base.connection.execute(assigned_samples_sql).to_a
     end
+
+    def self.fetch_all_team_samples(team)
+      samples_sql = <<-SQL
+        SELECT samples.id AS sample_id,
+               samples.name AS sample_name,
+               samples.user_id AS sample_created_by_id,
+               samples.last_modified_by_id AS sample_last_modified_by_id,
+               sample_types.name AS sample_type_name,
+               sample_groups.name AS sample_group_name,
+               sample_groups.color AS sample_group_color
+        FROM samples
+        JOIN sample_types ON samples.sample_type_id = sample_types.id
+        JOIN sample_groups ON samples.sample_type_id = sample_groups.id
+        WHERE samples.team_id = #{team.id}
+      SQL
+
+      ActiveRecord::Base.connection.execute(samples_sql).to_a
+    end
   end
 end

lib/tasks/samples_to_repository_migration.rake

@@ -4,7 +4,7 @@ namespace :samples_to_repository_migration do
   desc 'Migrates all data from samples to custom repository'
   task :run, [:last_id] => :environment do |_, args|
     params = { batch_size: 10 }
-    migration_service = SamplesToRepositoryMigrationService
+    migration_service = Tasks::SamplesToRepositoryMigrationService
     if args.present? && args[:last_id].present?
       params[:start] = args[:last_id].to_i
     end
@@ -12,20 +12,8 @@ namespace :samples_to_repository_migration do
       puts "******************************* \n\n\n\n"
       puts "Processing Team id => [#{team.id}] \n\n\n\n"
       puts '*******************************'
-
-      samples_sql = <<-SQL
-        SELECT samples.id AS sample_id,
-               samples.name AS sample_name,
-               samples.user_id AS sample_created_by_id,
-               samples.last_modified_by_id AS sample_last_modified_by_id,
-               sample_types.name AS sample_type_name,
-               sample_groups.name AS sample_group_name,
-               sample_groups.color AS sample_group_color
-        FROM samples
-        JOIN sample_types ON samples.sample_type_id = sample_types.id
-        JOIN sample_groups ON samples.sample_type_id = sample_groups.id
-        WHERE samples.team_id = #{team.id}
-      SQL
+      # byebug
+      migration_service.fetch_all_team_samples(team)
 
       repository = migration_service.prepare_repository(team)
       custom_columns = migration_service.prepare_text_value_custom_columns(team, repository) +
@@ -33,7 +21,7 @@ namespace :samples_to_repository_migration do
                          team,
                          repository
                        )
-      byebug
+      # byebug
     end
   end
 end

spec/services/tasks/samples_to_repository_migration_service_spec.rb

@@ -4,7 +4,6 @@ describe Tasks::SamplesToRepositoryMigrationService do
   let(:user) { create :user, email: 'happy.user@scinote.net' }
   let(:team) { create :team, created_by: user }
   let(:user_team) { create :user_team, user: user, team: team }
-  let(:sample) { create :sample, name: 'My sample', user: user, team: team }
 
   describe '#prepare_repository/2' do
     context 'creates and return a new custom repository named' do
@@ -141,6 +140,7 @@ describe Tasks::SamplesToRepositoryMigrationService do
   end
 
   describe '#get_sample_custom_fields/1' do
+    let(:sample) { create :sample, name: 'My sample', user: user, team: team }
     let(:custom_field) do
       create :custom_field, name: 'My Custom column',
                             user: user,
@@ -178,6 +178,7 @@ describe Tasks::SamplesToRepositoryMigrationService do
   end
 
   describe '#get_assigned_sample_module/1' do
+    let(:sample) { create :sample, name: 'My sample', user: user, team: team }
     let(:my_module) { create :my_module }
     let(:subject) do
       Tasks::SamplesToRepositoryMigrationService
@@ -238,4 +239,32 @@ describe Tasks::SamplesToRepositoryMigrationService do
       end
     end
   end
+
+  describe 'fetch_all_team_samples/1' do
+    let(:subject) do
+      Tasks::SamplesToRepositoryMigrationService.fetch_all_team_samples(team)
+    end
+
+    context 'team has samples' do
+      before do
+        100.times do |index|
+          create :sample, name: "Sample (#{index})", user: user, team: team
+        end
+      end
+
+      it { is_expected.to be_an Array }
+      it { expect(subject.length).to eq 100 }
+
+      it 'returns an array of all team samples' do
+        subject.each_with_index do |element, index|
+          expect(element.fetch('sample_name')). to eq "Sample (#{index})"
+        end
+      end
+    end
+
+    context 'team does not have samples' do
+      it { is_expected.to be_an Array }
+      it { is_expected.to be_empty }
+    end
+  end
 end