mirror of
https://github.com/sstent/garminsync-go.git
synced 2026-02-06 06:21:49 +00:00
first set of files
This commit is contained in:
254
internal/garmin/client.go
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254
internal/garmin/client.go
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@@ -0,0 +1,254 @@
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// internal/garmin/client.go
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package garmin
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"strconv"
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"strings"
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"time"
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)
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type Client struct {
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httpClient *http.Client
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baseURL string
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session *Session
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}
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type Session struct {
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Username string
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Password string
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Cookies []*http.Cookie
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UserAgent string
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Authenticated bool
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}
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type GarminActivity struct {
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ActivityID int `json:"activityId"`
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ActivityName string `json:"activityName"`
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StartTimeLocal string `json:"startTimeLocal"`
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ActivityType map[string]interface{} `json:"activityType"`
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Distance float64 `json:"distance"`
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Duration float64 `json:"duration"`
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MaxHR int `json:"maxHR"`
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AvgHR int `json:"avgHR"`
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AvgPower float64 `json:"avgPower"`
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Calories int `json:"calories"`
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}
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func NewClient() *Client {
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return &Client{
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httpClient: &http.Client{
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Timeout: 30 * time.Second,
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},
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baseURL: "https://connect.garmin.com",
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session: &Session{
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Username: os.Getenv("GARMIN_EMAIL"),
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Password: os.Getenv("GARMIN_PASSWORD"),
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UserAgent: "GarminSync/1.0",
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},
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}
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}
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func (c *Client) Login() error {
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if c.session.Username == "" || c.session.Password == "" {
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return fmt.Errorf("GARMIN_EMAIL and GARMIN_PASSWORD environment variables required")
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}
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// Step 1: Get login form
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loginURL := c.baseURL + "/signin"
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req, err := http.NewRequest("GET", loginURL, nil)
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if err != nil {
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return err
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}
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req.Header.Set("User-Agent", c.session.UserAgent)
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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// Extract cookies
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c.session.Cookies = resp.Cookies()
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// Step 2: Submit login credentials
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loginData := url.Values{}
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loginData.Set("username", c.session.Username)
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loginData.Set("password", c.session.Password)
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loginData.Set("embed", "true")
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req, err = http.NewRequest("POST", loginURL, strings.NewReader(loginData.Encode()))
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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req.Header.Set("User-Agent", c.session.UserAgent)
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// Add cookies
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for _, cookie := range c.session.Cookies {
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req.AddCookie(cookie)
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}
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resp, err = c.httpClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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// Check if login was successful
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("login failed with status: %d", resp.StatusCode)
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}
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// Update cookies
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for _, cookie := range resp.Cookies() {
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c.session.Cookies = append(c.session.Cookies, cookie)
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}
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c.session.Authenticated = true
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return nil
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}
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func (c *Client) GetActivities(start, limit int) ([]GarminActivity, error) {
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if !c.session.Authenticated {
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if err := c.Login(); err != nil {
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return nil, err
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}
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}
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url := fmt.Sprintf("%s/modern/proxy/activitylist-service/activities/search/activities?start=%d&limit=%d",
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c.baseURL, start, limit)
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("User-Agent", c.session.UserAgent)
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req.Header.Set("Accept", "application/json")
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// Add cookies
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for _, cookie := range c.session.Cookies {
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req.AddCookie(cookie)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("failed to get activities: status %d", resp.StatusCode)
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}
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var activities []GarminActivity
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if err := json.NewDecoder(resp.Body).Decode(&activities); err != nil {
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return nil, err
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}
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// Rate limiting
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time.Sleep(2 * time.Second)
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return activities, nil
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}
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func (c *Client) DownloadActivity(activityID int, format string) ([]byte, error) {
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if !c.session.Authenticated {
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if err := c.Login(); err != nil {
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return nil, err
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}
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}
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// Default to FIT format
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if format == "" {
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format = "fit"
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}
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url := fmt.Sprintf("%s/modern/proxy/download-service/export/%s/activity/%d",
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c.baseURL, format, activityID)
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("User-Agent", c.session.UserAgent)
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// Add cookies
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for _, cookie := range c.session.Cookies {
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req.AddCookie(cookie)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("failed to download activity %d: status %d", activityID, resp.StatusCode)
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}
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data, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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// Rate limiting
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time.Sleep(2 * time.Second)
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return data, nil
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}
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func (c *Client) GetActivityDetails(activityID int) (*GarminActivity, error) {
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if !c.session.Authenticated {
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if err := c.Login(); err != nil {
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return nil, err
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}
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}
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url := fmt.Sprintf("%s/modern/proxy/activity-service/activity/%d",
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c.baseURL, activityID)
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("User-Agent", c.session.UserAgent)
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req.Header.Set("Accept", "application/json")
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// Add cookies
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for _, cookie := range c.session.Cookies {
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req.AddCookie(cookie)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("failed to get activity details: status %d", resp.StatusCode)
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}
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var activity GarminActivity
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if err := json.NewDecoder(resp.Body).Decode(&activity); err != nil {
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return nil, err
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}
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// Rate limiting
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time.Sleep(2 * time.Second)
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return &activity, nil
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}
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