first commit

Made-with: Cursor

internal/api/handlers/availability.go

@@ -0,0 +1,60 @@
+package handlers
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/calendarapi/internal/middleware"
+	"github.com/calendarapi/internal/models"
+	"github.com/calendarapi/internal/service"
+	"github.com/calendarapi/internal/utils"
+)
+
+type AvailabilityHandler struct {
+	availSvc *service.AvailabilityService
+}
+
+func NewAvailabilityHandler(availSvc *service.AvailabilityService) *AvailabilityHandler {
+	return &AvailabilityHandler{availSvc: availSvc}
+}
+
+func (h *AvailabilityHandler) Get(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.GetUserID(r.Context())
+	q := r.URL.Query()
+
+	calIDStr := q.Get("calendar_id")
+	if calIDStr == "" {
+		utils.WriteError(w, models.NewValidationError("calendar_id required"))
+		return
+	}
+	calID, err := utils.ValidateUUID(calIDStr)
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	startStr := q.Get("start")
+	endStr := q.Get("end")
+	if startStr == "" || endStr == "" {
+		utils.WriteError(w, models.NewValidationError("start and end required"))
+		return
+	}
+	start, err := time.Parse(time.RFC3339, startStr)
+	if err != nil {
+		utils.WriteError(w, models.NewValidationError("invalid start time"))
+		return
+	}
+	end, err := time.Parse(time.RFC3339, endStr)
+	if err != nil {
+		utils.WriteError(w, models.NewValidationError("invalid end time"))
+		return
+	}
+
+	result, err := h.availSvc.GetBusyBlocks(r.Context(), userID, calID, start, end)
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	utils.WriteJSON(w, http.StatusOK, result)
+}