feat: better API returns, asset update

internal/types/api.go

@@ -26,6 +26,11 @@ type IndexResponse struct {
 	Version APIVersion `json:"version"`
 }
 
+type CountResponse struct {
+	*Response
+	Count int64 `json:"count"`
+}
+
 type APIError struct {
 	*Response
 	Err error `json:"-"`

internal/types/buildings.go

@@ -14,7 +14,7 @@ import (
 type Building struct {
 	ID             uint64          `gorm:"primarykey" json:"id"`
 	Name           string          `json:"name"`
-	ShelfLocations []ShelfLocation `json:"shelves"`
+	ShelfLocations []ShelfLocation `json:"shelves,omitempty"`
 	CreatedAt      time.Time       `json:"created_at"`
 	UpdatedAt      time.Time       `json:"updated_at"`
 	DeletedAt      gorm.DeletedAt  `gorm:"index" json:"deleted_at,omitempty"`

internal/types/shelves.go

@@ -17,7 +17,7 @@ type ShelfLocation struct {
 	RoomNumber  string         `json:"room_number,omitempty"`
 	Description string         `json:"description,omitempty"`
 	BuildingID  uint64         `json:"-"`
-	Building    Building       `json:"building"`
+	Building    Building       `json:"building",omitempty`
 	Assets      []Asset        `json:"assets,omitempty"`
 	CreatedAt   time.Time      `json:"created_at"`
 	UpdatedAt   time.Time      `json:"updated_at"`