feat: extend equipment and workout models with service tracking

internal/activity/handler.go

@@ -0,0 +1,103 @@
+package activity
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"strconv"
+
+	"rideaware/internal/config"
+	"rideaware/internal/equipment"
+	"rideaware/internal/middleware"
+)
+
+type Handler struct {
+	service      *Service
+	equipmentSvc *equipment.Service
+}
+
+func NewHandler() *Handler {
+	return &Handler{
+		service:      NewService(),
+		equipmentSvc: equipment.NewService(),
+	}
+}
+
+// ImportActivity POST /api/protected/workouts/import
+// Accepts multipart form with:
+//   - file: activity file (FIT/TCX/GPX) - required
+//   - workout_id: existing workout ID to update (optional)
+//   - title: custom title (optional)
+//   - equipment_id: equipment to associate (optional)
+//   - notes: optional notes
+func (h *Handler) ImportActivity(w http.ResponseWriter, r *http.Request) {
+	claims := r.Context().Value(middleware.UserContextKey).(*config.CustomClaims)
+	if claims == nil {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusUnauthorized)
+		json.NewEncoder(w).Encode(map[string]string{"error": "unauthorized"})
+		return
+	}
+
+	if err := r.ParseMultipartForm(20 << 20); err != nil { // 20MB max
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(map[string]string{"error": "file too large or invalid form data"})
+		return
+	}
+
+	file, handler, err := r.FormFile("file")
+	if err != nil {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(map[string]string{"error": "no file provided"})
+		return
+	}
+	defer file.Close()
+
+	fileData := make([]byte, handler.Size)
+	if _, err := file.Read(fileData); err != nil {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(map[string]string{"error": "failed to read file"})
+		return
+	}
+
+	opts := ImportOptions{
+		Title: r.FormValue("title"),
+		Notes: r.FormValue("notes"),
+	}
+
+	if idStr := r.FormValue("workout_id"); idStr != "" {
+		if id, err := strconv.ParseUint(idStr, 10, 32); err == nil {
+			opts.WorkoutID = uint(id)
+		}
+	}
+
+	if eqIDStr := r.FormValue("equipment_id"); eqIDStr != "" {
+		if eqID, err := strconv.ParseUint(eqIDStr, 10, 32); err == nil {
+			id := uint(eqID)
+			opts.EquipmentID = &id
+		}
+	}
+
+	workout, err := h.service.ImportActivity(claims.UserID, fileData, handler.Filename, opts)
+	if err != nil {
+		log.Printf("Activity import error: %v", err)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(map[string]string{"error": err.Error()})
+		return
+	}
+
+	// Auto-update equipment mileage if equipment is assigned
+	if workout.EquipmentID != nil && workout.Status == "completed" {
+		if err := h.equipmentSvc.IncrementMileage(*workout.EquipmentID, claims.UserID, workout.Distance, workout.Duration); err != nil {
+			log.Printf("Equipment mileage update error: %v", err)
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(workout)
+}