opensim/OpenSim/Framework/Communications/IInventoryServices.cs

/*
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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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using System.Collections.Generic;
using OpenMetaverse;
using OpenSim.Framework.Communications.Cache;

namespace OpenSim.Framework.Communications
{
    /// <summary>
    /// Callback used when a user's inventory is received from the inventory service
    /// </summary>
    public delegate void InventoryReceiptCallback(
        ICollection<InventoryFolderImpl> folders, ICollection<InventoryItemBase> items);

    /// <summary>
    /// Defines all the operations one can perform on a user's inventory.
    /// </summary>
    public interface IInventoryServices
    {
        string Host
        {
            get;
        }

        /// <summary>
        /// Request the inventory for a user.  This is an asynchronous operation that will call the callback when the
        /// inventory has been received
        /// </summary>
        /// <param name="userID"></param>
        /// <param name="callback"></param>
        void RequestInventoryForUser(UUID userID, InventoryReceiptCallback callback);

        /// <summary>
        /// Add a new folder to the user's inventory
        /// </summary>
        /// <param name="folder"></param>
        /// <returns>true if the folder was successfully added</returns>
        bool AddFolder(InventoryFolderBase folder);

        /// <summary>
        /// Update a folder in the user's inventory
        /// </summary>
        /// <param name="folder"></param>
        /// <returns>true if the folder was successfully updated</returns>
        bool UpdateFolder(InventoryFolderBase folder);

        /// <summary>
        /// Move an inventory folder to a new location
        /// </summary>
        /// <param name="folder">A folder containing the details of the new location</param>
        /// <returns>true if the folder was successfully moved</returns>
        bool MoveFolder(InventoryFolderBase folder);

        /// <summary>
        /// Purge an inventory folder of all its items and subfolders.
        /// </summary>
        /// <param name="folder"></param>
        /// <returns>true if the folder was successfully purged</returns>
        bool PurgeFolder(InventoryFolderBase folder);

        /// <summary>
        /// Add a new item to the user's inventory
        /// </summary>
        /// <param name="item"></param>
        /// <returns>true if the item was successfully added</returns>
        bool AddItem(InventoryItemBase item);

        /// <summary>
        /// Update an item in the user's inventory
        /// </summary>
        /// <param name="item"></param>
        /// <returns>true if the item was successfully updated</returns>
        bool UpdateItem(InventoryItemBase item);

        /// <summary>
        /// Delete an item from the user's inventory
        /// </summary>
        /// <param name="item"></param>
        /// <returns>true if the item was successfully deleted</returns>
        bool DeleteItem(InventoryItemBase item);

        /// <summary>
        /// Query the server for an item that may have been added by
        /// another region
        /// </summary>
        /// <param name="item"></param>
        /// <returns>true if the item was found in local cache</returns>
        InventoryItemBase QueryItem(InventoryItemBase item);

        /// <summary>
        /// Query the server for a folder that may have been added by
        /// another region
        /// </summary>
        /// <param name="folder"></param>
        /// <returns>true if the folder was found in local cache</returns>
        InventoryFolderBase QueryFolder(InventoryFolderBase folder);

        /// <summary>
        /// Does the given user have an inventory structure?
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        bool HasInventoryForUser(UUID userID);

        /// <summary>
        /// Retrieve the root inventory folder for the given user.
        /// </summary>
        /// <param name="userID"></param>
        /// <returns>null if no root folder was found</returns>
        InventoryFolderBase RequestRootFolder(UUID userID);
    }
}