fix: make summaries display actual data range or requested interval if no data present

fix: use unix era start time in wakatime compat endpoints (resolve #843)

helpers/interval.go

@@ -73,7 +73,7 @@ func ResolveIntervalTZ(interval *models.IntervalKey, tz *time.Location, startOfW
 	case models.IntervalPast12Months:
 		from = now.AddDate(0, -12, 0)
 	case models.IntervalAny:
-		from = time.Time{}
+		from = utils.UnixEra()
 	default:
 		err = errors.New("invalid interval")
 	}

routes/compat/wakatime/v1/all_time.go

@@ -10,6 +10,8 @@ import (
 	"github.com/muety/wakapi/models/types"
 	routeutils "github.com/muety/wakapi/routes/utils"
 	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+
 	"net/http"
 	"time"
 )
@@ -63,7 +65,7 @@ func (h *AllTimeHandler) Get(w http.ResponseWriter, r *http.Request) {
 
 func (h *AllTimeHandler) loadUserSummary(user *models.User, filters *models.Filters) (*models.Summary, error, int) {
 	summaryParams := &models.SummaryParams{
-		From:      time.Time{},
+		From:      utils.UnixEra(),
 		To:        time.Now(),
 		User:      user,
 		Recompute: false,

services/summary.go

@@ -150,6 +150,11 @@ func (srv *SummaryService) Retrieve(from, to time.Time, user *models.User, filte
 	// prevent 0001-01-01T00:00:00 caused by empty "pre" missing interval, see https://github.com/muety/wakapi/issues/843
 	summary.FromTime = models.CustomTime(condition.Ternary(summary.FromTime.T().Before(from), from, summary.FromTime.T()))
 
+	if summary.TotalTime() == 0 {
+		summary.FromTime = models.CustomTime(from)
+		summary.ToTime = models.CustomTime(to)
+	}
+
 	if filters != nil && filters.CountDistinctTypes() == 1 && filters.SelectFilteredOnly {
 		filter := filters.OneOrEmpty()
 		summary.KeepOnly(map[uint8]bool{filter.Entity: true}).ApplyFilter(filter)
@@ -365,11 +370,12 @@ func (srv *SummaryService) mergeSummaries(summaries []*models.Summary) (*models.
 			return nil, errors.New("users don't match")
 		}
 
-		if s.FromTime.T().Before(minTime) {
+		totalTime := s.TotalTime()
+
+		if s.FromTime.T().Before(minTime) && totalTime > 0 { // only consider non-empty summaries
 			minTime = s.FromTime.T()
 		}
-
-		if s.ToTime.T().After(maxTime) {
+		if s.ToTime.T().After(maxTime) && totalTime > 0 { // only consider non-empty summaries
 			maxTime = s.ToTime.T()
 		}
 
@@ -388,7 +394,7 @@ func (srv *SummaryService) mergeSummaries(summaries []*models.Summary) (*models.
 	}
 
 	finalSummary.FromTime = models.CustomTime(minTime)
-	finalSummary.ToTime = models.CustomTime(maxTime)
+	finalSummary.ToTime = models.CustomTime(condition.Ternary(maxTime.Before(minTime), minTime, maxTime))
 
 	return finalSummary, nil
 }

services/summary_test.go

@@ -462,8 +462,8 @@ func (suite *SummaryServiceTestSuite) TestSummaryService_Retrieve_DateRange() {
 
 	assert.Nil(suite.T(), err)
 	assert.NotNil(suite.T(), result)
-	assert.Equal(suite.T(), from, result.FromTime.T()) // requested from date
-	assert.Equal(suite.T(), to, result.ToTime.T())     // requested to date
+	assert.Equal(suite.T(), summaries[0].FromTime.T(), result.FromTime.T()) // actual first data date
+	assert.Equal(suite.T(), summaries[0].ToTime.T(), result.ToTime.T())     // actual last data date
 	suite.DurationService.AssertNumberOfCalls(suite.T(), "Get", 2)
 }
 

utils/date.go

@@ -7,6 +7,10 @@ import (
 	"github.com/duke-git/lancet/v2/datetime"
 )
 
+func UnixEra() time.Time {
+	return time.Unix(0, 0)
+}
+
 func MustParseTime(layout, value string) time.Time {
 	t, _ := time.Parse(layout, value)
 	return t