feat(reports): add analytics timeseries rollups

internal/handler/api/v1/analytics_handler_test.go

@@ -37,6 +37,7 @@ func (s *AnalyticsHandlerTestSuite) SetupSuite() {
 	s.db = db
 	s.Require().NoError(db.AutoMigrate(
 		&model.Account{},
+		&model.Conversation{},
 		&model.ReportingEvent{},
 		&model.ReportingEventsRollup{},
 	))
@@ -54,6 +55,7 @@ func (s *AnalyticsHandlerTestSuite) SetupSuite() {
 	gin.SetMode(gin.TestMode)
 	r := gin.New()
 	accounts := r.Group("/api/v1/accounts/:account_id")
+	accounts.GET("/reports", s.handler.Index)
 	accounts.GET("/reports/summary", s.handler.Summary)
 	accounts.GET("/reports/agents", s.handler.AgentMetrics)
 	accounts.GET("/reports/inboxes", s.handler.InboxMetrics)
@@ -70,6 +72,8 @@ func (s *AnalyticsHandlerTestSuite) TearDownSuite() {
 
 func (s *AnalyticsHandlerTestSuite) SetupTest() {
 	s.db.Exec("DELETE FROM reporting_events")
+	s.db.Exec("DELETE FROM reporting_events_rollups")
+	s.db.Exec("DELETE FROM conversations")
 }
 
 // ========== parseAccountID / parseDateRange edge cases ==========
@@ -149,6 +153,23 @@ func (s *AnalyticsHandlerTestSuite) TestSummary_WithData() {
 	s.Equal(http.StatusOK, w.Code)
 }
 
+func (s *AnalyticsHandlerTestSuite) TestIndex_TimeseriesWithData() {
+	conv := model.Conversation{AccountID: s.accountID, InboxID: 1, ContactID: 1, Status: string(model.ConversationStatusOpen), ChannelType: "web_widget", Channel: "web_widget"}
+	s.Require().NoError(s.db.Create(&conv).Error)
+	s.Require().NoError(s.db.Model(&conv).Updates(map[string]interface{}{"created_at": parseTime("2025-01-15T10:00:00Z")}).Error)
+
+	w := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodGet,
+		"/api/v1/accounts/1/reports?metric=conversations_count&since=2025-01-01T00:00:00Z&until=2025-02-01T00:00:00Z&type=account&group_by=day", nil)
+	s.router.ServeHTTP(w, req)
+	s.Equal(http.StatusOK, w.Code)
+	var body map[string]interface{}
+	s.NoError(json.Unmarshal(w.Body.Bytes(), &body))
+	data := body["data"].([]interface{})
+	s.Len(data, 1)
+	s.Equal(float64(1), data[0].(map[string]interface{})["value"])
+}
+
 // ========== AgentMetrics ==========
 
 func (s *AnalyticsHandlerTestSuite) TestAgentMetrics_InvalidAccountID() {
@@ -251,4 +272,4 @@ func (s *AnalyticsHandlerTestSuite) TestNilService() {
 func parseTime(s string) time.Time {
 	t, _ := time.Parse(time.RFC3339, s)
 	return t
-}
+}