using System;
using System.Collections.Generic;
using System.Text;
using OpenSim.Framework.Console;
using OpenSim.Framework.Types;
using OpenSim.Framework.Utilities;
using libsecondlife;
using System.Data;
using System.Data.SqlTypes;
using Mono.Data.SqliteClient;
namespace OpenSim.Framework.Data.SQLite
{
public class SQLiteInventoryStore : IInventoryData
{
private const string invItemsSelect = "select * from inventoryitems";
private const string invFoldersSelect = "select * from inventoryfolders";
private DataSet ds;
private SqliteDataAdapter invItemsDa;
private SqliteDataAdapter invFoldersDa;
///
/// Initialises the interface
///
public void Initialise()
{
Initialise("inventoryStore.db", "inventoryDatabase");
}
public void Initialise(string dbfile, string dbname)
{
string connectionString = "URI=file:" + dbfile + ",version=3";
MainLog.Instance.Verbose("Inventory", "Sqlite - connecting: " + dbfile);
SqliteConnection conn = new SqliteConnection(connectionString);
TestTables(conn);
SqliteCommand itemsSelectCmd = new SqliteCommand(invItemsSelect, conn);
invItemsDa = new SqliteDataAdapter(itemsSelectCmd);
// SqliteCommandBuilder primCb = new SqliteCommandBuilder(primDa);
SqliteCommand foldersSelectCmd = new SqliteCommand(invFoldersSelect, conn);
invFoldersDa = new SqliteDataAdapter(foldersSelectCmd);
ds = new DataSet();
ds.Tables.Add(createInventoryFoldersTable());
invFoldersDa.Fill(ds.Tables["inventoryfolders"]);
setupFoldersCommands(invFoldersDa, conn);
MainLog.Instance.Verbose("DATASTORE", "Populated Intentory Folders Definitions");
ds.Tables.Add(createInventoryItemsTable());
invItemsDa.Fill(ds.Tables["inventoryitems"]);
setupItemsCommands(invItemsDa, conn);
MainLog.Instance.Verbose("DATASTORE", "Populated Intentory Items Definitions");
ds.AcceptChanges();
return;
}
public InventoryItemBase BuildItem(DataRow row)
{
InventoryItemBase item = new InventoryItemBase();
item.inventoryID = new LLUUID((string)row["UUID"]);
item.assetID = new LLUUID((string)row["assetID"]);
item.assetType = Convert.ToInt32(row["assetType"]);
item.invType = Convert.ToInt32(row["invType"]);
item.parentFolderID = new LLUUID((string)row["parentFolderID"]);
item.avatarID = new LLUUID((string)row["avatarID"]);
item.creatorsID = new LLUUID((string)row["creatorsID"]);
item.inventoryName =(string) row["inventoryName"];
item.inventoryDescription = (string) row["inventoryDescription"];
item.inventoryNextPermissions = Convert.ToUInt32(row["inventoryNextPermissions"]);
item.inventoryCurrentPermissions = Convert.ToUInt32(row["inventoryCurrentPermissions"]);
item.inventoryBasePermissions = Convert.ToUInt32(row["inventoryBasePermissions"]);
item.inventoryEveryOnePermissions = Convert.ToUInt32(row["inventoryEveryOnePermissions"]);
return item;
}
private void fillItemRow(DataRow row, InventoryItemBase item)
{
row["UUID"] = item.inventoryID;
row["assetID"] = item.assetID;
row["assetType"] = item.assetType;
row["invType"] = item.invType;
row["parentFolderID"] = item.parentFolderID;
row["avatarID"] = item.avatarID;
row["creatorsID"] = item.creatorsID;
row["inventoryName"] = item.inventoryName;
row["inventoryDescription"] = item.inventoryDescription;
row["inventoryNextPermissions"] = item.inventoryNextPermissions;
row["inventoryCurrentPermissions"] = item.inventoryCurrentPermissions;
row["inventoryBasePermissions"] = item.inventoryBasePermissions;
row["inventoryEveryOnePermissions"] = item.inventoryEveryOnePermissions;
}
private void addFolder(InventoryFolderBase folder)
{
DataTable inventoryFolderTable = ds.Tables["inventoryfolders"];
DataRow inventoryRow = inventoryFolderTable.Rows.Find(folder.folderID);
if (inventoryRow == null)
{
inventoryRow = inventoryFolderTable.NewRow();
fillFolderRow(inventoryRow, folder);
inventoryFolderTable.Rows.Add(inventoryRow);
}
else
{
fillFolderRow(inventoryRow, folder);
}
this.invFoldersDa.Update(ds, "inventoryfolders");
}
private void addItem(InventoryItemBase item)
{
DataTable inventoryItemTable = ds.Tables["inventoryitems"];
DataRow inventoryRow = inventoryItemTable.Rows.Find(item.inventoryID);
if (inventoryRow == null)
{
inventoryRow = inventoryItemTable.NewRow();
fillItemRow(inventoryRow, item);
inventoryItemTable.Rows.Add(inventoryRow);
}
else
{
fillItemRow(inventoryRow, item);
}
this.invItemsDa.Update(ds, "inventoryitems");
}
public void Shutdown()
{
// TODO: DataSet commit
}
///
/// Closes the interface
///
public void Close()
{
}
///
/// The plugin being loaded
///
/// A string containing the plugin name
public string getName()
{
return "SQLite Inventory Data Interface";
}
///
/// The plugins version
///
/// A string containing the plugin version
public string getVersion()
{
return "0.1";
}
///
/// Returns a list of inventory items contained within the specified folder
///
/// The UUID of the target folder
/// A List of InventoryItemBase items
public List getInventoryInFolder(LLUUID folderID)
{
List retval = new List();
DataTable inventoryItemTable = ds.Tables["inventoryitems"];
string selectExp = "parentFolderID = '" + folderID.ToString() + "'";
DataRow[] rows = inventoryItemTable.Select(selectExp);
foreach (DataRow row in rows)
{
retval.Add(BuildItem(row));
}
return retval;
}
///
/// Returns a list of the root folders within a users inventory
///
/// The user whos inventory is to be searched
/// A list of folder objects
public List getUserRootFolders(LLUUID user)
{
return null;
}
///
/// Returns the users inventory root folder.
///
/// The UUID of the user who is having inventory being returned
/// Root inventory folder
public InventoryFolderBase getUserRootFolder(LLUUID user)
{
List folders = new List();
DataTable inventoryFolderTable = ds.Tables["inventoryfolders"];
string selectExp = "agentID = '" + user.ToString() + "' AND parentID = '" + LLUUID.Zero.ToString() + "'";
DataRow[] rows = inventoryFolderTable.Select(selectExp);
foreach (DataRow row in rows)
{
folders.Add(this.buildFolder(row));
}
if (folders.Count == 1)
{
//we found the root
//System.Console.WriteLine("found root inventory folder");
return folders[0];
}
else if (folders.Count > 1)
{
//err shouldn't be more than one root
//System.Console.WriteLine("found more than one root inventory folder");
}
else if (folders.Count == 0)
{
// no root?
//System.Console.WriteLine("couldn't find root inventory folder");
}
return null;
}
///
/// Returns a list of inventory folders contained in the folder 'parentID'
///
/// The folder to get subfolders for
/// A list of inventory folders
public List getInventoryFolders(LLUUID parentID)
{
List folders = new List();
DataTable inventoryFolderTable = ds.Tables["inventoryfolders"];
string selectExp = "parentID = '" + parentID.ToString() + "'";
DataRow[] rows = inventoryFolderTable.Select(selectExp);
foreach (DataRow row in rows)
{
folders.Add(this.buildFolder(row));
}
// System.Console.WriteLine("found " + folders.Count + " inventory folders");
return folders;
}
///
/// Returns an inventory item by its UUID
///
/// The UUID of the item to be returned
/// A class containing item information
public InventoryItemBase getInventoryItem(LLUUID item)
{
return null;
}
///
/// Returns a specified inventory folder by its UUID
///
/// The UUID of the folder to be returned
/// A class containing folder information
public InventoryFolderBase getInventoryFolder(LLUUID folder)
{
return null;
}
///
/// Creates a new inventory item based on item
///
/// The item to be created
public void addInventoryItem(InventoryItemBase item)
{
this.addItem(item);
}
///
/// Updates an inventory item with item (updates based on ID)
///
/// The updated item
public void updateInventoryItem(InventoryItemBase item)
{
this.addItem(item);
}
///
///
///
///
public void deleteInventoryItem(InventoryItemBase item)
{
DataTable inventoryItemTable = ds.Tables["inventoryitems"];
DataRow inventoryRow = inventoryItemTable.Rows.Find(item.inventoryID);
if (inventoryRow != null)
{
inventoryRow.Delete();
}
this.invItemsDa.Update(ds, "inventoryitems");
}
///
/// Adds a new folder specified by folder
///
/// The inventory folder
public void addInventoryFolder(InventoryFolderBase folder)
{
this.addFolder(folder);
}
///
/// Updates a folder based on its ID with folder
///
/// The inventory folder
public void updateInventoryFolder(InventoryFolderBase folder)
{
this.addFolder(folder);
}
/***********************************************************************
*
* Data Table definitions
*
**********************************************************************/
private void createCol(DataTable dt, string name, System.Type type)
{
DataColumn col = new DataColumn(name, type);
dt.Columns.Add(col);
}
private DataTable createInventoryItemsTable()
{
DataTable inv = new DataTable("inventoryitems");
createCol(inv, "UUID", typeof(System.String)); //inventoryID
createCol(inv, "assetID", typeof(System.String));
createCol(inv, "assetType", typeof(System.Int32));
createCol(inv, "invType", typeof(System.Int32));
createCol(inv, "parentFolderID", typeof(System.String));
createCol(inv, "avatarID", typeof(System.String));
createCol(inv, "creatorsID", typeof(System.String));
createCol(inv, "inventoryName", typeof(System.String));
createCol(inv, "inventoryDescription", typeof(System.String));
// permissions
createCol(inv, "inventoryNextPermissions", typeof(System.Int32));
createCol(inv, "inventoryCurrentPermissions", typeof(System.Int32));
createCol(inv, "inventoryBasePermissions", typeof(System.Int32));
createCol(inv, "inventoryEveryOnePermissions", typeof(System.Int32));
inv.PrimaryKey = new DataColumn[] { inv.Columns["UUID"] };
return inv;
}
private DataTable createInventoryFoldersTable()
{
DataTable fol = new DataTable("inventoryfolders");
createCol(fol, "UUID", typeof(System.String)); //folderID
createCol(fol, "name", typeof(System.String));
createCol(fol, "agentID", typeof(System.String));
createCol(fol, "parentID", typeof(System.String));
createCol(fol, "type", typeof(System.Int32));
createCol(fol, "version", typeof(System.Int32));
fol.PrimaryKey = new DataColumn[] { fol.Columns["UUID"] };
return fol;
}
private void setupItemsCommands(SqliteDataAdapter da, SqliteConnection conn)
{
da.InsertCommand = createInsertCommand("inventoryitems", ds.Tables["inventoryitems"]);
da.InsertCommand.Connection = conn;
da.UpdateCommand = createUpdateCommand("inventoryitems", "UUID=:UUID", ds.Tables["inventoryitems"]);
da.UpdateCommand.Connection = conn;
SqliteCommand delete = new SqliteCommand("delete from inventoryitems where UUID = :UUID");
delete.Parameters.Add(createSqliteParameter("UUID", typeof(System.String)));
delete.Connection = conn;
da.DeleteCommand = delete;
}
private void setupFoldersCommands(SqliteDataAdapter da, SqliteConnection conn)
{
da.InsertCommand = createInsertCommand("inventoryfolders", ds.Tables["inventoryfolders"]);
da.InsertCommand.Connection = conn;
da.UpdateCommand = createUpdateCommand("inventoryfolders", "UUID=:UUID", ds.Tables["inventoryfolders"]);
da.UpdateCommand.Connection = conn;
SqliteCommand delete = new SqliteCommand("delete from inventoryfolders where UUID = :UUID");
delete.Parameters.Add(createSqliteParameter("UUID", typeof(System.String)));
delete.Connection = conn;
da.DeleteCommand = delete;
}
private InventoryFolderBase buildFolder(DataRow row)
{
InventoryFolderBase folder = new InventoryFolderBase();
folder.folderID = new LLUUID((string)row["UUID"]);
folder.name = (string)row["name"];
folder.agentID = new LLUUID((string)row["agentID"]);
folder.parentID = new LLUUID((string)row["parentID"]);
folder.type = Convert.ToInt16(row["type"]);
folder.version = Convert.ToUInt16(row["version"]);
return folder;
}
private void fillFolderRow(DataRow row, InventoryFolderBase folder)
{
row["UUID"] = folder.folderID;
row["name"] = folder.name;
row["agentID"] = folder.agentID;
row["parentID"] = folder.parentID;
row["type"] = folder.type;
row["version"] = folder.version;
}
/***********************************************************************
*
* SQL Statement Creation Functions
*
* These functions create SQL statements for update, insert, and create.
* They can probably be factored later to have a db independant
* portion and a db specific portion
*
**********************************************************************/
private SqliteCommand createInsertCommand(string table, DataTable dt)
{
/**
* This is subtle enough to deserve some commentary.
* Instead of doing *lots* and *lots of hardcoded strings
* for database definitions we'll use the fact that
* realistically all insert statements look like "insert
* into A(b, c) values(:b, :c) on the parameterized query
* front. If we just have a list of b, c, etc... we can
* generate these strings instead of typing them out.
*/
string[] cols = new string[dt.Columns.Count];
for (int i = 0; i < dt.Columns.Count; i++) {
DataColumn col = dt.Columns[i];
cols[i] = col.ColumnName;
}
string sql = "insert into " + table + "(";
sql += String.Join(", ", cols);
// important, the first ':' needs to be here, the rest get added in the join
sql += ") values (:";
sql += String.Join(", :", cols);
sql += ")";
SqliteCommand cmd = new SqliteCommand(sql);
// this provides the binding for all our parameters, so
// much less code than it used to be
foreach (DataColumn col in dt.Columns)
{
cmd.Parameters.Add(createSqliteParameter(col.ColumnName, col.DataType));
}
return cmd;
}
private SqliteCommand createUpdateCommand(string table, string pk, DataTable dt)
{
string sql = "update " + table + " set ";
string subsql = "";
foreach (DataColumn col in dt.Columns)
{
if (subsql.Length > 0)
{ // a map function would rock so much here
subsql += ", ";
}
subsql += col.ColumnName + "= :" + col.ColumnName;
}
sql += subsql;
sql += " where " + pk;
SqliteCommand cmd = new SqliteCommand(sql);
// this provides the binding for all our parameters, so
// much less code than it used to be
foreach (DataColumn col in dt.Columns)
{
cmd.Parameters.Add(createSqliteParameter(col.ColumnName, col.DataType));
}
return cmd;
}
private string defineTable(DataTable dt)
{
string sql = "create table " + dt.TableName + "(";
string subsql = "";
foreach (DataColumn col in dt.Columns)
{
if (subsql.Length > 0)
{ // a map function would rock so much here
subsql += ",\n";
}
subsql += col.ColumnName + " " + sqliteType(col.DataType);
if(col == dt.PrimaryKey[0])
{
subsql += " primary key";
}
}
sql += subsql;
sql += ")";
return sql;
}
/***********************************************************************
*
* Database Binding functions
*
* These will be db specific due to typing, and minor differences
* in databases.
*
**********************************************************************/
///
/// This is a convenience function that collapses 5 repetitive
/// lines for defining SqliteParameters to 2 parameters:
/// column name and database type.
///
/// It assumes certain conventions like :param as the param
/// name to replace in parametrized queries, and that source
/// version is always current version, both of which are fine
/// for us.
///
///a built sqlite parameter
private SqliteParameter createSqliteParameter(string name, System.Type type)
{
SqliteParameter param = new SqliteParameter();
param.ParameterName = ":" + name;
param.DbType = dbtypeFromType(type);
param.SourceColumn = name;
param.SourceVersion = DataRowVersion.Current;
return param;
}
/***********************************************************************
*
* Test and Initialization code
*
**********************************************************************/
private void InitDB(SqliteConnection conn)
{
string createInventoryItems = defineTable(createInventoryItemsTable());
string createInventoryFolders = defineTable(createInventoryFoldersTable());
SqliteCommand pcmd = new SqliteCommand(createInventoryItems, conn);
SqliteCommand scmd = new SqliteCommand(createInventoryFolders, conn);
conn.Open();
pcmd.ExecuteNonQuery();
scmd.ExecuteNonQuery();
conn.Close();
}
private bool TestTables(SqliteConnection conn)
{
SqliteCommand invItemsSelectCmd = new SqliteCommand(invItemsSelect, conn);
SqliteDataAdapter pDa = new SqliteDataAdapter(invItemsSelectCmd);
SqliteCommand invFoldersSelectCmd = new SqliteCommand(invFoldersSelect, conn);
SqliteDataAdapter sDa = new SqliteDataAdapter(invFoldersSelectCmd);
DataSet tmpDS = new DataSet();
try {
pDa.Fill(tmpDS, "inventoryitems");
sDa.Fill(tmpDS, "inventoryfolders");
} catch (Mono.Data.SqliteClient.SqliteSyntaxException) {
MainLog.Instance.Verbose("DATASTORE", "SQLite Database doesn't exist... creating");
InitDB(conn);
}
pDa.Fill(tmpDS, "inventoryitems");
sDa.Fill(tmpDS, "inventoryfolders");
foreach (DataColumn col in createInventoryItemsTable().Columns) {
if (! tmpDS.Tables["inventoryitems"].Columns.Contains(col.ColumnName) ) {
MainLog.Instance.Verbose("DATASTORE", "Missing required column:" + col.ColumnName);
return false;
}
}
foreach (DataColumn col in createInventoryFoldersTable().Columns) {
if (! tmpDS.Tables["inventoryfolders"].Columns.Contains(col.ColumnName) ) {
MainLog.Instance.Verbose("DATASTORE", "Missing required column:" + col.ColumnName);
return false;
}
}
return true;
}
/***********************************************************************
*
* Type conversion functions
*
**********************************************************************/
private DbType dbtypeFromType(Type type)
{
if (type == typeof(System.String)) {
return DbType.String;
} else if (type == typeof(System.Int32)) {
return DbType.Int32;
} else if (type == typeof(System.Double)) {
return DbType.Double;
} else if (type == typeof(System.Byte[])) {
return DbType.Binary;
} else {
return DbType.String;
}
}
// this is something we'll need to implement for each db
// slightly differently.
private string sqliteType(Type type)
{
if (type == typeof(System.String)) {
return "varchar(255)";
} else if (type == typeof(System.Int32)) {
return "integer";
} else if (type == typeof(System.Double)) {
return "float";
} else if (type == typeof(System.Byte[])) {
return "blob";
} else {
return "string";
}
}
}
}