feat: toggle typing and update last seen endpoints for client apis (#7621)

- Add toggle_typing endpoint for client APIs
- Adds update last seen endpoint for client APIs 

Fixes: #7581

spec/controllers/public/api/v1/inbox/conversations_controller_spec.rb

@@ -45,4 +45,35 @@ RSpec.describe 'Public Inbox Contact Conversations API', type: :request do
       expect(data['id']).not_to be_nil
     end
   end
+
+  describe 'POST /public/api/v1/inboxes/{identifier}/contact/{source_id}/conversations/{conversation_id}/toggle_typing' do
+    let!(:conversation) { create(:conversation, contact_inbox: contact_inbox, contact: contact) }
+    let(:toggle_typing_path) do
+      "/public/api/v1/inboxes/#{api_channel.identifier}/contacts/#{contact_inbox.source_id}/conversations/#{conversation.display_id}/toggle_typing"
+    end
+
+    it 'dispatches the correct typing status' do
+      allow(Rails.configuration.dispatcher).to receive(:dispatch)
+      post toggle_typing_path, params: { typing_status: 'on' }
+
+      expect(response).to have_http_status(:success)
+      expect(Rails.configuration.dispatcher).to have_received(:dispatch)
+        .with(Conversation::CONVERSATION_TYPING_ON, kind_of(Time), { conversation: conversation, user: contact })
+    end
+  end
+
+  describe 'POST /public/api/v1/inboxes/{identifier}/contact/{source_id}/conversations/{conversation_id}/update_last_seen' do
+    let!(:conversation) { create(:conversation, contact_inbox: contact_inbox, contact: contact) }
+    let(:update_last_seen_path) do
+      "/public/api/v1/inboxes/#{api_channel.identifier}/contacts/#{contact_inbox.source_id}/conversations/#{conversation.display_id}/update_last_seen"
+    end
+
+    it 'updates the last seen of the conversation contact' do
+      contact_last_seen_at = conversation.contact_last_seen_at
+      post update_last_seen_path
+
+      expect(response).to have_http_status(:success)
+      expect(conversation.reload.contact_last_seen_at).not_to eq contact_last_seen_at
+    end
+  end
 end