feat: Add support for labels in automations (#11658)

- Add support for using labels as an action event for automation
 - Fix duplicated conversation_updated event dispatch for labels
 

Fixes https://github.com/chatwoot/chatwoot/issues/8539 and multiple
issues around duplication related to label change events.
---------

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

spec/services/automation_rules/action_service_spec.rb

@@ -118,6 +118,45 @@ RSpec.describe AutomationRules::ActionService do
       end
     end
 
+    describe '#perform with add_label action' do
+      before do
+        rule.actions << { action_name: 'add_label', action_params: %w[bug feature] }
+        rule.save
+      end
+
+      it 'will add labels to conversation' do
+        described_class.new(rule, account, conversation).perform
+        expect(conversation.reload.label_list).to include('bug', 'feature')
+      end
+
+      it 'will not duplicate existing labels' do
+        conversation.add_labels(['bug'])
+        described_class.new(rule, account, conversation).perform
+        expect(conversation.reload.label_list.count('bug')).to eq(1)
+        expect(conversation.reload.label_list).to include('feature')
+      end
+    end
+
+    describe '#perform with remove_label action' do
+      before do
+        conversation.add_labels(%w[bug feature support])
+        rule.actions << { action_name: 'remove_label', action_params: %w[bug feature] }
+        rule.save
+      end
+
+      it 'will remove specified labels from conversation' do
+        described_class.new(rule, account, conversation).perform
+        expect(conversation.reload.label_list).not_to include('bug', 'feature')
+        expect(conversation.reload.label_list).to include('support')
+      end
+
+      it 'will not fail if labels do not exist on conversation' do
+        conversation.update_labels(['support']) # Remove bug and feature first
+        expect { described_class.new(rule, account, conversation).perform }.not_to raise_error
+        expect(conversation.reload.label_list).to include('support')
+      end
+    end
+
     describe '#perform with add_private_note action' do
       let(:message_builder) { double }
 

spec/services/automation_rules/conditions_filter_service_spec.rb

@@ -134,5 +134,86 @@ RSpec.describe AutomationRules::ConditionsFilterService do
         end
       end
     end
+
+    context 'when conditions based on labels' do
+      before do
+        conversation.add_labels(['bug'])
+      end
+
+      context 'when filter_operator is equal_to' do
+        before do
+          rule.conditions = [
+            { 'values': ['bug'], 'attribute_key': 'labels', 'query_operator': nil, 'filter_operator': 'equal_to' }
+          ]
+          rule.save
+        end
+
+        it 'will return true when conversation has the label' do
+          expect(described_class.new(rule, conversation, { changed_attributes: {} }).perform).to be(true)
+        end
+
+        it 'will return false when conversation does not have the label' do
+          rule.conditions = [
+            { 'values': ['feature'], 'attribute_key': 'labels', 'query_operator': nil, 'filter_operator': 'equal_to' }
+          ]
+          rule.save
+          expect(described_class.new(rule, conversation, { changed_attributes: {} }).perform).to be(false)
+        end
+      end
+
+      context 'when filter_operator is not_equal_to' do
+        before do
+          rule.conditions = [
+            { 'values': ['feature'], 'attribute_key': 'labels', 'query_operator': nil, 'filter_operator': 'not_equal_to' }
+          ]
+          rule.save
+        end
+
+        it 'will return true when conversation does not have the label' do
+          expect(described_class.new(rule, conversation, { changed_attributes: {} }).perform).to be(true)
+        end
+
+        it 'will return false when conversation has the label' do
+          conversation.add_labels(['feature'])
+          expect(described_class.new(rule, conversation, { changed_attributes: {} }).perform).to be(false)
+        end
+      end
+
+      context 'when filter_operator is is_present' do
+        before do
+          rule.conditions = [
+            { 'values': [], 'attribute_key': 'labels', 'query_operator': nil, 'filter_operator': 'is_present' }
+          ]
+          rule.save
+        end
+
+        it 'will return true when conversation has any labels' do
+          expect(described_class.new(rule, conversation, { changed_attributes: {} }).perform).to be(true)
+        end
+
+        it 'will return false when conversation has no labels' do
+          conversation.update_labels([])
+          expect(described_class.new(rule, conversation, { changed_attributes: {} }).perform).to be(false)
+        end
+      end
+
+      context 'when filter_operator is is_not_present' do
+        before do
+          rule.conditions = [
+            { 'values': [], 'attribute_key': 'labels', 'query_operator': nil, 'filter_operator': 'is_not_present' }
+          ]
+          rule.save
+        end
+
+        it 'will return false when conversation has any labels' do
+          expect(described_class.new(rule, conversation, { changed_attributes: {} }).perform).to be(false)
+        end
+
+        it 'will return true when conversation has no labels' do
+          conversation.update_labels([])
+          expect(described_class.new(rule, conversation, { changed_attributes: {} }).perform).to be(true)
+        end
+      end
+    end
   end
 end