feat: Add live agent load report api (#4297)

This change allows the admin user to fetch conversation metrics for an account, agents, and filter conversation metrics for a specific agent.

Fixes #4305

spec/controllers/api/v2/accounts/report_controller_spec.rb

@@ -57,6 +57,68 @@ RSpec.describe 'Reports API', type: :request do
         expect(current_day_metric.length).to eq(1)
         expect(current_day_metric[0]['value']).to eq(10)
       end
+
+      it 'return conversation metrics in account level' do
+        unassigned_conversation = create(:conversation, account: account, inbox: inbox,
+                                                        assignee: nil, created_at: Time.zone.today)
+        unassigned_conversation.save!
+
+        get "/api/v2/accounts/#{account.id}/reports/conversations",
+            params: {
+              type: :account
+            },
+            headers: admin.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+        json_response = JSON.parse(response.body)
+
+        expect(json_response['open']).to eq(11)
+        expect(json_response['unattended']).to eq(11)
+        expect(json_response['unassigned']).to eq(1)
+      end
+
+      it 'return conversation metrics for user in account level' do
+        create_list(:conversation, 2, account: account, inbox: inbox,
+                                      assignee: admin, created_at: Time.zone.today)
+
+        get "/api/v2/accounts/#{account.id}/reports/conversations",
+            params: {
+              type: :agent
+            },
+            headers: admin.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+
+        json_response = JSON.parse(response.body)
+        expect(json_response.blank?).to be false
+        user_metrics = json_response.find { |item| item['user']['name'] == admin[:name] }
+        expect(user_metrics.present?).to be true
+
+        expect(user_metrics['metric']['open']).to eq(2)
+        expect(user_metrics['metric']['unattended']).to eq(2)
+      end
+
+      it 'return conversation metrics for specific user in account level' do
+        create_list(:conversation, 2, account: account, inbox: inbox,
+                                      assignee: admin, created_at: Time.zone.today)
+
+        get "/api/v2/accounts/#{account.id}/reports/conversations",
+            params: {
+              type: :agent,
+              user_id: user.id
+            },
+            headers: admin.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+
+        json_response = JSON.parse(response.body)
+        expect(json_response.blank?).to be false
+        expect(json_response[0]['metric']['open']).to eq(10)
+        expect(json_response[0]['metric']['unattended']).to eq(10)
+      end
     end
   end