feat(TCX): Implement Activity TCX retrieval

Signed-off-by: Jo Vandeginste <Jo.Vandeginste@kuleuven.be>

Author: jovandeginste

activity.go

@@ -152,3 +152,20 @@ func (c *Client) GetDailyActivitySummary(ctx context.Context, userID string, dat
 	}
 	return &dailyActivitySummary, rateLimit, b, nil
 }
+
+// GetActivityTCX retrieves the details of a user's location and heart rate data during a logged exercise activity.
+//
+// Scope.Activity is required.
+//
+// Scope.Location is required.
+//
+// Web API Reference: https://dev.fitbit.com/build/reference/web-api/activity/get-activity-tcx/
+func (c *Client) GetActivityTCX(ctx context.Context, userID string, activityID int64, token *Token) ([]byte, *RateLimit, []byte, error) {
+	endpoint := c.getEndpoint("GetActivityTCX", userID, activityID)
+	b, rateLimit, err := c.getRequest(ctx, token, endpoint)
+	if err != nil {
+		return nil, nil, b, err
+	}
+
+	return b, rateLimit, b, nil
+}

constant.go

@@ -9,12 +9,11 @@ const (
 	LowercaseAlphabetLetters = "abcdefghijklmnopqrstuvwxyz" // LowercaseAlphabetLetters is a set of lower case alphabetic characters
 )
 
-var (
-	apiEndpoints = map[string]string{
-		"GetDailyActivitySummary": "/1/user/%s/activities/date/%s.json",
-		"IntrospectToken":         "/1.1/oauth2/introspect",
-		"RevokeToken":             "/oauth2/revoke",
-		"GetWater":                "/1/user/%s/foods/log/water/date/%s.json",
-		"GetProfile":              "/1/user/%s/profile.json",
-	}
-)
+var apiEndpoints = map[string]string{
+	"GetDailyActivitySummary": "/1/user/%s/activities/date/%s.json",
+	"IntrospectToken":         "/1.1/oauth2/introspect",
+	"RevokeToken":             "/oauth2/revoke",
+	"GetWater":                "/1/user/%s/foods/log/water/date/%s.json",
+	"GetProfile":              "/1/user/%s/profile.json",
+	"GetActivityTCX":          "/1/user/%s/activities/%d.tcx",
+}

go.mod

@@ -3,6 +3,7 @@ module github.com/anyappinc/fitbit
 go 1.15
 
 require (
+	github.com/galeone/tcx v1.0.0 // indirect
 	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2
 	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8
 )

go.sum

@@ -44,6 +44,8 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/galeone/tcx v1.0.0 h1:rmSSL/+qDFWH+9YjoyU5mmm2R2tJUxvwr5nS+1Oq6sY=
+github.com/galeone/tcx v1.0.0/go.mod h1:cHrVurc4epPGjwvJt8kDkQgp4hEUhk0UiWPSN6/dykI=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -103,6 +105,8 @@ github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+o
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/philhofer/vec v0.0.0-20140421144027-536fc796d369 h1:3tLX6+/o9lWIdsG4AIHZKgd/qTP6auJASIV434u/WTI=
+github.com/philhofer/vec v0.0.0-20140421144027-536fc796d369/go.mod h1:VGTjob2K0ciQ6Ad9+wH9rLOQbmYZFlKh9Ma4yqRW3bo=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=