sync

internal/api/bodycomposition.go

@@ -0,0 +1,35 @@
+package api
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+)
+
+// GetBodyComposition retrieves body composition data within a date range
+func (c *Client) GetBodyComposition(ctx context.Context, req BodyCompositionRequest) ([]BodyComposition, error) {
+	// Validate date range
+	if req.StartDate.IsZero() || req.EndDate.IsZero() || req.StartDate.After(req.EndDate) {
+		return nil, fmt.Errorf("invalid date range: start %s to end %s", 
+			req.StartDate.Format("2006-01-02"), 
+			req.EndDate.Format("2006-01-02"))
+	}
+
+	// Build URL with query parameters
+	u := c.baseURL.ResolveReference(&url.URL{
+		Path: "/body-composition",
+		RawQuery: fmt.Sprintf("startDate=%s&endDate=%s",
+			req.StartDate.Format("2006-01-02"),
+			req.EndDate.Format("2006-01-02"),
+		),
+	})
+
+	// Execute GET request
+	var results []BodyComposition
+	err := c.Get(ctx, u.String(), &results)
+	if err != nil {
+		return nil, err
+	}
+
+	return results, nil
+}