refactor: move SponsorsSearch from models to queries layer

spec/queries/sponsors_search_spec.rb

@@ -0,0 +1,78 @@
+RSpec.describe SponsorsSearch do
+  describe 'initialization' do
+    it 'configures its properties from the param hash' do
+      search = described_class.new(name: 'Acme', chapter: 'London')
+
+      expect(search.name).to eq('Acme')
+      expect(search.chapter).to eq('London')
+    end
+
+    it 'handles nil params' do
+      search = described_class.new(name: nil, chapter: nil)
+
+      expect(search.name).to be_nil
+      expect(search.chapter).to be_nil
+    end
+  end
+
+  describe '#call' do
+    it 'returns all sponsors when no filter is specified' do
+      Fabricate.times(3, :sponsor)
+
+      results = described_class.new(name: nil, chapter: nil).call
+
+      expect(results.size).to eq(3)
+      expect(results).to all(be_a(Sponsor))
+    end
+
+    it 'filters by name' do
+      matching = Fabricate(:sponsor, name: 'Zebra Technologies')
+      Fabricate(:sponsor, name: 'Apple Inc')
+
+      results = described_class.new(name: 'Zebra', chapter: nil).call
+
+      expect(results).to contain_exactly(matching)
+    end
+
+    it 'is case insensitive when filtering by name' do
+      matching = Fabricate(:sponsor, name: 'Zebra Technologies')
+
+      results = described_class.new(name: 'zebra', chapter: nil).call
+      expect(results).to contain_exactly(matching)
+
+      results = described_class.new(name: 'ZEBRA', chapter: nil).call
+      expect(results).to contain_exactly(matching)
+    end
+
+    it 'filters by chapter' do
+      chapter = Fabricate(:chapter)
+      matching = Fabricate(:sponsor)
+      Fabricate(:workshop_sponsor, workshop: Fabricate(:workshop_no_sponsor, chapter: chapter), sponsor: matching)
+      Fabricate(:sponsor)
+
+      results = described_class.new(name: nil, chapter: chapter.id.to_s).call
+
+      expect(results).to contain_exactly(matching)
+    end
+
+    it 'filters by name and chapter combined' do
+      chapter = Fabricate(:chapter)
+      matching = Fabricate(:sponsor, name: 'Zebra Technologies')
+      Fabricate(:workshop_sponsor, workshop: Fabricate(:workshop_no_sponsor, chapter: chapter), sponsor: matching)
+      Fabricate(:sponsor, name: 'Zebra Technologies')
+      Fabricate(:sponsor, name: 'Apple Inc')
+
+      results = described_class.new(name: 'Zebra', chapter: chapter.id.to_s).call
+
+      expect(results).to contain_exactly(matching)
+    end
+
+    it 'returns an empty relation when nothing matches' do
+      Fabricate(:sponsor, name: 'Apple Inc')
+
+      results = described_class.new(name: 'Nonexistent', chapter: nil).call
+
+      expect(results).to be_empty
+    end
+  end
+end