porting - part 5 done

2026-01-25 16:42:28 +00:00 · 2025-09-07 13:44:50 -07:00
parent ead942b122
commit cabffe9464
8 changed files with 287 additions and 30 deletions
--- a/garmin_session.json
+++ b/garmin_session.json
@@ -1,5 +1,5 @@
 {
  "domain": "garmin.com",
  "username": "fbleagh",
-  "auth_token": "bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImRpLW9hdXRoLXNpZ25lci1wcm9kLTIwMjQtcTEifQ.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.cdgNSDtkYnySkPdHTHxvck3BZXVZ0H6mGcqU0fJqqRO5cuh0_exgGM_VBLxoos_MqEYeryZqkw__UfwA1dvamoClooPpUFZIcPmsTl_uSILd8IIiWFjhgXJnTybE3mI_hPEaILzWnVDzQX4lv1K_oTzCVx0I7moonRAk3mbccKpj_kWcIm-CFVbuGbApTCJzRoOr46yFPUnbOxeA0eJl8BbPFmPWK0z_FvcLS8q7ZKuksBWW2gorQovqesIG63k-wK1PFOvm2EDosSFW0RTCFY7cBMx3nz_f7jFG9E5qt971z8EcKCq83pWs2CHIqy64KkVoub3CD0LQRKIjilNsEA"
+  "auth_token": "bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImRpLW9hdXRoLXNpZ25lci1wcm9kLTIwMjQtcTEifQ.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.HwBbJysBlmSHtPLPtZ1SITqa6jZ8SFBuej7j--iYblHqgKwM7preEM03FgVJUusQi9SarB_lID-pjNdJ6MRGnYo3NSzO4wnmalmnoAxn-9pvAYHKznCIq5x4exC-2SlvW4paNK_-UzOd9mp23FNCvXcLGOc_lJlFuC20YAQID9x3ujIGm3PBWp6ycWIRydyvnNZga-a2opaZPjvC1TXKycNsUY1qZSc4hj3D7_wFrMtYuu2HuGQFeyNRNInA6Ir-J3i_OBFl-L4tM3CvpJAGUU7VEY257x8M6YvHL7xER0tv3FjTdqwLAkSMkBP9qH1mq7zPrVp6JEIqghI-EQVwsA"
 }
--- a/garmin_session.jsonold
+++ b/garmin_session.jsonold
@@ -1,5 +1,5 @@
 {
  "domain": "garmin.com",
  "username": "fbleagh",
-  "auth_token": "bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImRpLW9hdXRoLXNpZ25lci1wcm9kLTIwMjQtcTEifQ.eyJzY29wZSI6WyJBVFBfUkVBRCIsIkFUUF9XUklURSIsIkNPTU1VTklUWV9DT1VSU0VfUkVBRCIsIkNPTU1VTklUWV9DT1VSU0VfV1JJVEUiLCJDT05ORUNUX01DVF9EQUlMWV9MT0dfUkVBRCIsIkNPTk5FQ1RfUkVBRCIsIkNPTk5FQ1RfV1JJVEUiLCJESVZFX0FQSV9SRUFEIiwiRElfT0FVVEhfMl9BVVRIT1JJWkFUSU9OX0NPREVfQ1JFQVRFIiwiRFRfQ0xJRU5UX0FOQUxZVElDU19XUklURSIsIkdBUk1JTlBBWV9SRUFEIiwiR0FSTUlOUEFZX1dSSVRFIiwiR0NPRkZFUl9SRUFEIiwiR0NPRkZFUl9XUklURSIsIkdIU19TQU1EIiwiR0hTX1VQTE9BRCIsIkdPTEZfQVBJX1JFQUQiLCJHT0xGX0FQSV9XUklURSIsIklOU0lHSFRTX1JFQUQiLCJJTlNJR0hUU19XUklURSIsIk9NVF9DQU1QQUlHTl9SRUFEIiwiT01UX1NVQlNDUklQVElPTl9SRUFEIiwiUFJPRFVDVF9TRUFSQ0hfUkVBRCJdLCJpc3MiOiJodHRwczovL2RpYXV0aC5nYXJtaW4uY29tIiwicmV2b2NhdGlvbl9lbGlnaWJpbGl0eSI6WyJHTE9CQUxfU0lHTk9VVCIsIk1BTkFHRURfU1RBVFVTIl0sImNsaWVudF90eXBlIjoiVU5ERUZJTkVEIiwiZXhwIjoxNzU3MzMxMzUyLCJpYXQiOjE3NTcyNTg4NjUsImdhcm1pbl9ndWlkIjoiNTZlZTk1ZmMtMzY0MC00NGU2LTg1ODAtNDc4NDEwZDQwZGFhIiwianRpIjoiYTExYThkOGUtZTk3NS00ZmYzLWI5ZGUtMTgxNDRlZmI3NDIwIiwiY2xpZW50X2lkIjoiR0FSTUlOX0NPTk5FQ1RfTU9CSUxFX0FORFJPSURfREkifQ.aHN1exAr4j-_rjZ06OS9D7o4CpDYR1l09geAK6jh-NmJl4dsy3vWM1sv6c-9yiIO8FmuKhvBA44yKAhFCWOTNIJ3yUG-t8IFbYRMrPxBW4WZ4zqMN8XgVPI9Z_iLR0cEP6AaaAtzpVMWcwHn8wLhDUrpLMeCz7n8jMU0S-caXkByCa4zF1PhVs69hYH89Yn48lA_bFiJtbgx0aINnuu-0JHCj22NRjBTKPGBDcQg2fNapCrHoqZ1y-5BOfyB96u6VFXZZ6JNd-ar1EaVOw4G7zUhQCCDeilqjwQB68yIvbWoOhAyda93yB-_AcBU3wHrGHUaYqULEPSRex8zPxYH7A"
+  "auth_token": "bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImRpLW9hdXRoLXNpZ25lci1wcm9kLTIwMjQtcTEifQ.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.cdgNSDtkYnySkPdHTHxvck3BZXVZ0H6mGcqU0fJqqRO5cuh0_exgGM_VBLxoos_MqEYeryZqkw__UfwA1dvamoClooPpUFZIcPmsTl_uSILd8IIiWFjhgXJnTybE3mI_hPEaILzWnVDzQX4lv1K_oTzCVx0I7moonRAk3mbccKpj_kWcIm-CFVbuGbApTCJzRoOr46yFPUnbOxeA0eJl8BbPFmPWK0z_FvcLS8q7ZKuksBWW2gorQovqesIG63k-wK1PFOvm2EDosSFW0RTCFY7cBMx3nz_f7jFG9E5qt971z8EcKCq83pWs2CHIqy64KkVoub3CD0LQRKIjilNsEA"
 }
--- a/garth/data/base.go
+++ b/garth/data/base.go
@@ -67,8 +67,8 @@ func (b *BaseData) Get(day time.Time, c *client.Client) (interface{}, error) {
 // Returns:
 //
 //	[]interface{}: Slice of results (order matches date range)
-//	error: First error encountered during processing, if any
-func (b *BaseData) List(end time.Time, days int, c *client.Client, maxWorkers int) ([]interface{}, error) {
+//	[]error: Slice of errors encountered during processing
+func (b *BaseData) List(end time.Time, days int, c *client.Client, maxWorkers int) ([]interface{}, []error) {
 	if maxWorkers < 1 {
 		maxWorkers = 1
 	}
@@ -82,8 +82,7 @@ func (b *BaseData) List(end time.Time, days int, c *client.Client, maxWorkers in
 	var wg sync.WaitGroup
 	workCh := make(chan time.Time, days)
 	resultsCh := make(chan interface{}, days)
-	errCh := make(chan error, 1)
-	done := make(chan bool)
+	errCh := make(chan error, days)

 	// Worker function
 	worker := func() {
@@ -91,11 +90,8 @@ func (b *BaseData) List(end time.Time, days int, c *client.Client, maxWorkers in
 		for date := range workCh {
 			result, err := b.Get(date, c)
 			if err != nil {
-				select {
-				case errCh <- err:
-				default:
-				}
-				return
+				errCh <- err
+				continue
 			}
 			resultsCh <- result
 		}
@@ -115,28 +111,34 @@ func (b *BaseData) List(end time.Time, days int, c *client.Client, maxWorkers in
 		close(workCh)
 	}()

-	// Close results channel when all workers finish
+	// Close channels when all workers finish
 	go func() {
 		wg.Wait()
 		close(resultsCh)
-		done <- true
+		close(errCh)
 	}()

-	// Collect results
+	// Collect results and errors
 	var results []interface{}
-	var err error
+	var errs []error

-collect:
-	for {
+	// Collect results until both channels are closed
+	for resultsCh != nil || errCh != nil {
 		select {
-		case result := <-resultsCh:
+		case result, ok := <-resultsCh:
+			if !ok {
+				resultsCh = nil
+				continue
+			}
 			results = append(results, result)
-		case err = <-errCh:
-			break collect
-		case <-done:
-			break collect
+		case err, ok := <-errCh:
+			if !ok {
+				errCh = nil
+				continue
+			}
+			errs = append(errs, err)
 		}
 	}

-	return results, err
+	return results, errs
 }
--- a/garth/data/base_test.go
+++ b/garth/data/base_test.go
@@ -39,10 +39,10 @@ func TestBaseData_List(t *testing.T) {
 	maxWorkers := 3

 	// Execute
-	results, err := mockData.List(end, days, c, maxWorkers)
+	results, errs := mockData.List(end, days, c, maxWorkers)

 	// Verify
-	assert.NoError(t, err)
+	assert.Empty(t, errs)
 	assert.Len(t, results, days)
 	assert.Contains(t, results, "data for 2023-06-15")
 	assert.Contains(t, results, "data for 2023-06-11")
@@ -65,10 +65,10 @@ func TestBaseData_List_ErrorHandling(t *testing.T) {
 	maxWorkers := 2

 	// Execute
-	results, err := mockData.List(end, days, c, maxWorkers)
+	results, errs := mockData.List(end, days, c, maxWorkers)

 	// Verify
-	assert.Error(t, err)
-	assert.Equal(t, "bad luck day", err.Error())
-	assert.Len(t, results, 4) // Should have some results before error
+	assert.Len(t, errs, 1)
+	assert.Equal(t, "bad luck day", errs[0].Error())
+	assert.Len(t, results, 4) // Should have results for non-error days
 }
--- a/garth/data/body_battery.go
+++ b/garth/data/body_battery.go
@@ -0,0 +1,120 @@
+package data
+
+import (
+	"sort"
+	"time"
+
+	"garmin-connect/garth/client"
+)
+
+// DailyBodyBatteryStress represents complete daily Body Battery and stress data
+type DailyBodyBatteryStress struct {
+	UserProfilePK          int       `json:"userProfilePk"`
+	CalendarDate           time.Time `json:"calendarDate"`
+	StartTimestampGMT      time.Time `json:"startTimestampGmt"`
+	EndTimestampGMT        time.Time `json:"endTimestampGmt"`
+	StartTimestampLocal    time.Time `json:"startTimestampLocal"`
+	EndTimestampLocal      time.Time `json:"endTimestampLocal"`
+	MaxStressLevel         int       `json:"maxStressLevel"`
+	AvgStressLevel         int       `json:"avgStressLevel"`
+	StressChartValueOffset int       `json:"stressChartValueOffset"`
+	StressChartYAxisOrigin int       `json:"stressChartYAxisOrigin"`
+	StressValuesArray      [][]int   `json:"stressValuesArray"`
+	BodyBatteryValuesArray [][]any   `json:"bodyBatteryValuesArray"`
+}
+
+// BodyBatteryEvent represents a Body Battery impact event
+type BodyBatteryEvent struct {
+	EventType              string    `json:"eventType"`
+	EventStartTimeGMT      time.Time `json:"eventStartTimeGmt"`
+	TimezoneOffset         int       `json:"timezoneOffset"`
+	DurationInMilliseconds int       `json:"durationInMilliseconds"`
+	BodyBatteryImpact      int       `json:"bodyBatteryImpact"`
+	FeedbackType           string    `json:"feedbackType"`
+	ShortFeedback          string    `json:"shortFeedback"`
+}
+
+// BodyBatteryData represents legacy Body Battery events data
+type BodyBatteryData struct {
+	Event                  *BodyBatteryEvent `json:"event"`
+	ActivityName           string            `json:"activityName"`
+	ActivityType           string            `json:"activityType"`
+	ActivityID             string            `json:"activityId"`
+	AverageStress          float64           `json:"averageStress"`
+	StressValuesArray      [][]int           `json:"stressValuesArray"`
+	BodyBatteryValuesArray [][]any           `json:"bodyBatteryValuesArray"`
+}
+
+// BodyBatteryReading represents an individual Body Battery reading
+type BodyBatteryReading struct {
+	Timestamp int     `json:"timestamp"`
+	Status    string  `json:"status"`
+	Level     int     `json:"level"`
+	Version   float64 `json:"version"`
+}
+
+// StressReading represents an individual stress reading
+type StressReading struct {
+	Timestamp   int `json:"timestamp"`
+	StressLevel int `json:"stressLevel"`
+}
+
+// ParseBodyBatteryReadings converts body battery values array to structured readings
+func ParseBodyBatteryReadings(valuesArray [][]any) []BodyBatteryReading {
+	readings := make([]BodyBatteryReading, 0)
+	for _, values := range valuesArray {
+		if len(values) < 4 {
+			continue
+		}
+
+		timestamp, ok1 := values[0].(int)
+		status, ok2 := values[1].(string)
+		level, ok3 := values[2].(int)
+		version, ok4 := values[3].(float64)
+
+		if !ok1 || !ok2 || !ok3 || !ok4 {
+			continue
+		}
+
+		readings = append(readings, BodyBatteryReading{
+			Timestamp: timestamp,
+			Status:    status,
+			Level:     level,
+			Version:   version,
+		})
+	}
+	sort.Slice(readings, func(i, j int) bool {
+		return readings[i].Timestamp < readings[j].Timestamp
+	})
+	return readings
+}
+
+// ParseStressReadings converts stress values array to structured readings
+func ParseStressReadings(valuesArray [][]int) []StressReading {
+	readings := make([]StressReading, 0)
+	for _, values := range valuesArray {
+		if len(values) != 2 {
+			continue
+		}
+		readings = append(readings, StressReading{
+			Timestamp:   values[0],
+			StressLevel: values[1],
+		})
+	}
+	sort.Slice(readings, func(i, j int) bool {
+		return readings[i].Timestamp < readings[j].Timestamp
+	})
+	return readings
+}
+
+// Get implements the Data interface for DailyBodyBatteryStress
+func (d *DailyBodyBatteryStress) Get(day time.Time, client *client.Client) (any, error) {
+	// Implementation to be added
+	return nil, nil
+}
+
+// List implements the Data interface for concurrent fetching
+func (d *DailyBodyBatteryStress) List(end time.Time, days int, client *client.Client, maxWorkers int) ([]any, error) {
+	// Implementation to be added
+	return []any{}, nil
+}
--- a/garth/data/body_battery_test.go
+++ b/garth/data/body_battery_test.go
@@ -0,0 +1,122 @@
+package data
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestParseBodyBatteryReadings(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    [][]any
+		expected []BodyBatteryReading
+	}{
+		{
+			name: "valid readings",
+			input: [][]any{
+				{1000, "ACTIVE", 75, 1.0},
+				{2000, "ACTIVE", 70, 1.0},
+				{3000, "REST", 65, 1.0},
+			},
+			expected: []BodyBatteryReading{
+				{1000, "ACTIVE", 75, 1.0},
+				{2000, "ACTIVE", 70, 1.0},
+				{3000, "REST", 65, 1.0},
+			},
+		},
+		{
+			name: "invalid readings",
+			input: [][]any{
+				{1000, "ACTIVE", 75},           // missing version
+				{2000, "ACTIVE"},               // missing level and version
+				{3000},                         // only timestamp
+				{"invalid", "ACTIVE", 75, 1.0}, // wrong timestamp type
+			},
+			expected: []BodyBatteryReading{},
+		},
+		{
+			name:     "empty input",
+			input:    [][]any{},
+			expected: []BodyBatteryReading{},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := ParseBodyBatteryReadings(tt.input)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestParseStressReadings(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    [][]int
+		expected []StressReading
+	}{
+		{
+			name: "valid readings",
+			input: [][]int{
+				{1000, 25},
+				{2000, 30},
+				{3000, 20},
+			},
+			expected: []StressReading{
+				{1000, 25},
+				{2000, 30},
+				{3000, 20},
+			},
+		},
+		{
+			name: "invalid readings",
+			input: [][]int{
+				{1000},        // missing stress level
+				{2000, 30, 1}, // extra value
+				{},            // empty
+			},
+			expected: []StressReading{},
+		},
+		{
+			name:     "empty input",
+			input:    [][]int{},
+			expected: []StressReading{},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := ParseStressReadings(tt.input)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestDailyBodyBatteryStress(t *testing.T) {
+	now := time.Now()
+	d := DailyBodyBatteryStress{
+		CalendarDate: now,
+		BodyBatteryValuesArray: [][]any{
+			{1000, "ACTIVE", 75, 1.0},
+			{2000, "ACTIVE", 70, 1.0},
+		},
+		StressValuesArray: [][]int{
+			{1000, 25},
+			{2000, 30},
+		},
+	}
+
+	t.Run("body battery readings", func(t *testing.T) {
+		readings := ParseBodyBatteryReadings(d.BodyBatteryValuesArray)
+		assert.Len(t, readings, 2)
+		assert.Equal(t, 75, readings[0].Level)
+	})
+
+	t.Run("stress readings", func(t *testing.T) {
+		readings := ParseStressReadings(d.StressValuesArray)
+		assert.Len(t, readings, 2)
+		assert.Equal(t, 25, readings[0].StressLevel)
+	})
+}
--- a/go.mod
+++ b/go.mod
@@ -4,4 +4,9 @@ go 1.24.2

 require github.com/joho/godotenv v1.5.1

-require github.com/stretchr/testify v1.11.1 // indirect
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/testify v1.11.1
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,12 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=