Added arn to the main repository

arn/ShopItem.go

@@ -0,0 +1,69 @@
+package arn
+
+import "github.com/aerogo/nano"
+
+const (
+	// ShopItemRarityCommon ...
+	ShopItemRarityCommon = "common"
+
+	// ShopItemRaritySuperior ...
+	ShopItemRaritySuperior = "superior"
+
+	// ShopItemRarityRare ...
+	ShopItemRarityRare = "rare"
+
+	// ShopItemRarityUnique ...
+	ShopItemRarityUnique = "unique"
+
+	// ShopItemRarityLegendary ...
+	ShopItemRarityLegendary = "legendary"
+)
+
+// ShopItem is a purchasable item in the shop.
+type ShopItem struct {
+	ID          string `json:"id"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	Price       uint   `json:"price"`
+	Icon        string `json:"icon"`
+	Rarity      string `json:"rarity"`
+	Order       int    `json:"order"`
+	Consumable  bool   `json:"consumable"`
+}
+
+// GetShopItem ...
+func GetShopItem(id string) (*ShopItem, error) {
+	obj, err := DB.Get("ShopItem", id)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return obj.(*ShopItem), nil
+}
+
+// StreamShopItems returns a stream of all shop items.
+func StreamShopItems() <-chan *ShopItem {
+	channel := make(chan *ShopItem, nano.ChannelBufferSize)
+
+	go func() {
+		for obj := range DB.All("ShopItem") {
+			channel <- obj.(*ShopItem)
+		}
+
+		close(channel)
+	}()
+
+	return channel
+}
+
+// AllShopItems returns a slice of all items.
+func AllShopItems() ([]*ShopItem, error) {
+	all := make([]*ShopItem, 0, DB.Collection("ShopItem").Count())
+
+	for obj := range StreamShopItems() {
+		all = append(all, obj)
+	}
+
+	return all, nil
+}