Add Dast::ProfilesFinder to retreive dast_profiles

Adds new finder for DAST saved scans feature.

ee/app/finders/dast/profiles_finder.rb

+# frozen_string_literal: true
+
+module Dast
+  class ProfilesFinder
+    DEFAULT_SORT = { id: :asc }.freeze
+
+    def initialize(params = {})
+      @params = params
+    end
+
+    def execute
+      relation = default_relation
+      relation = by_id(relation)
+      relation = by_project(relation)
+
+      sort(relation)
+    end
+
+    private
+
+    attr_reader :params
+
+    # rubocop: disable CodeReuse/ActiveRecord
+    def default_relation
+      Dast::Profile.limit(100)
+    end
+    # rubocop: enable CodeReuse/ActiveRecord
+
+    def by_id(relation)
+      return relation if params[:id].nil?
+
+      relation.id_in(params[:id])
+    end
+
+    def by_project(relation)
+      return relation if params[:project_id].nil?
+
+      relation.by_project_id(params[:project_id])
+    end
+
+    # rubocop: disable CodeReuse/ActiveRecord
+    def sort(relation)
+      relation.order(DEFAULT_SORT)
+    end
+    # rubocop: enable CodeReuse/ActiveRecord
+  end
+end

ee/app/models/dast/profile.rb

@@ -14,6 +14,10 @@ module Dast
 
     validate :project_ids_match
 
+    scope :by_project_id, -> (project_id) do
+      where(project_id: project_id)
+    end
+
     private
 
     def project_ids_match

ee/spec/factories/dast_scanner_profiles.rb

@@ -2,7 +2,9 @@
 
 FactoryBot.define do
   factory :dast_scanner_profile do
-    name { FFaker::Product.product_name }
+    sequence :name do |i|
+      "#{FFaker::Product.product_name.truncate(200)} - #{i}"
+    end
 
     before(:create) do |dast_scanner_profile|
       dast_scanner_profile.project ||= FactoryBot.create(:project)

ee/spec/finders/dast/profiles_finder_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Dast::ProfilesFinder do
+  let_it_be(:project1) { create(:project) }
+  let_it_be(:project2) { create(:project) }
+  let_it_be(:dast_profile1) { create(:dast_profile, project: project1) }
+  let_it_be(:dast_profile2) { create(:dast_profile, project: project2) }
+  let_it_be(:dast_profile3) { create(:dast_profile, project: project1) }
+
+  let(:params) { {} }
+
+  subject do
+    described_class.new(params).execute
+  end
+
+  describe '#execute' do
+    it 'returns dast_profiles limited to 100 records' do
+      aggregate_failures do
+        expect(Dast::Profile).to receive(:limit).with(100).and_call_original
+
+        expect(subject).to contain_exactly(dast_profile1, dast_profile2, dast_profile3)
+      end
+    end
+
+    context 'filtering by id' do
+      let(:params) { { id: dast_profile1.id } }
+
+      it 'returns the matching dast_profile' do
+        expect(subject).to contain_exactly(dast_profile1)
+      end
+    end
+
+    context 'filtering by project_id' do
+      let(:params) { { project_id: project1.id } }
+
+      it 'returns the matching dast_profiles' do
+        expect(subject).to contain_exactly(dast_profile1, dast_profile3)
+      end
+    end
+
+    context 'when the dast_profile does not exist' do
+      let(:params) { { project_id: 0 } }
+
+      it 'returns an empty relation' do
+        expect(subject).to be_empty
+      end
+    end
+
+    context 'sorting' do
+      it 'orders by id asc by default' do
+        expect(subject).to be_sorted(:id, :asc)
+      end
+    end
+  end
+end

ee/spec/models/dast/profile_spec.rb

@@ -48,4 +48,19 @@ RSpec.describe Dast::Profile, type: :model do
       end
     end
   end
+
+  describe 'scopes' do
+    describe 'by_project_id' do
+      it 'includes the correct records' do
+        another_dast_profile = create(:dast_profile)
+
+        result = described_class.by_project_id(subject.project_id)
+
+        aggregate_failures do
+          expect(result).to include(subject)
+          expect(result).not_to include(another_dast_profile)
+        end
+      end
+    end
+  end
 end