Added arn to the main repository

arn/InventoryAPI.go

@@ -0,0 +1,103 @@
+package arn
+
+import (
+	"errors"
+
+	"github.com/aerogo/aero"
+	"github.com/aerogo/api"
+)
+
+// Actions
+func init() {
+	API.RegisterActions("Inventory", []*api.Action{
+		// Use slot
+		{
+			Name:  "use",
+			Route: "/use/:slot",
+			Run: func(obj interface{}, ctx aero.Context) error {
+				inventory := obj.(*Inventory)
+				slotIndex, err := ctx.GetInt("slot")
+
+				if err != nil {
+					return err
+				}
+
+				slot := inventory.Slots[slotIndex]
+
+				if slot.IsEmpty() {
+					return errors.New("No item in this slot")
+				}
+
+				if !slot.Item().Consumable {
+					return errors.New("This item is not consumable")
+				}
+
+				// Save item ID in case it gets deleted by slot.Decrease()
+				itemID := slot.ItemID
+
+				// Decrease quantity
+				err = slot.Decrease(1)
+
+				if err != nil {
+					return err
+				}
+
+				// Save inventory
+				inventory.Save()
+
+				user := GetUserFromContext(ctx)
+				err = user.ActivateItemEffect(itemID)
+
+				if err != nil {
+					// Refund item
+					slot.ItemID = itemID
+					slot.Increase(1)
+					inventory.Save()
+					return nil
+				}
+
+				return err
+			},
+		},
+
+		// Swap slots
+		{
+			Name:  "swap",
+			Route: "/swap/:slot1/:slot2",
+			Run: func(obj interface{}, ctx aero.Context) error {
+				inventory := obj.(*Inventory)
+				a, err := ctx.GetInt("slot1")
+
+				if err != nil {
+					return err
+				}
+
+				b, err := ctx.GetInt("slot2")
+
+				if err != nil {
+					return err
+				}
+
+				err = inventory.SwapSlots(a, b)
+
+				if err != nil {
+					return err
+				}
+
+				inventory.Save()
+
+				return nil
+			},
+		},
+	})
+}
+
+// Authorize returns an error if the given API request is not authorized.
+func (inventory *Inventory) Authorize(ctx aero.Context, action string) error {
+	return AuthorizeIfLoggedInAndOwnData(ctx, "id")
+}
+
+// Save saves the push items in the database.
+func (inventory *Inventory) Save() {
+	DB.Set("Inventory", inventory.UserID, inventory)
+}