Revising the user account data interfaces. No user functionality yet

OpenSim/Data/MySQL/MySQLUserAccountData.cs

@@ -0,0 +1,180 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Data;
+using OpenMetaverse;
+using OpenSim.Framework;
+using MySql.Data.MySqlClient;
+
+namespace OpenSim.Data.MySQL
+{
+    public class MySqlUserAccountData : MySqlFramework, IUserAccountData
+    {
+        private string m_Realm;
+        private List<string> m_ColumnNames = null;
+        private int m_LastExpire = 0;
+
+        public MySqlUserAccountData(string connectionString, string realm)
+                : base(connectionString)
+        {
+            m_Realm = realm;
+
+            Migration m = new Migration(m_Connection, GetType().Assembly, "UserStore");
+            m.Update();
+        }
+
+        public List<UserAccountData> Query(UUID principalID, UUID scopeID, string query)
+        {
+            return null;
+        }
+
+        public UserAccountData Get(UUID principalID, UUID scopeID)
+        {
+            UserAccountData ret = new UserAccountData();
+            ret.Data = new Dictionary<string, object>();
+
+            string command = "select * from `"+m_Realm+"` where UUID = ?principalID";
+            if (scopeID != UUID.Zero)
+                command += " and ScopeID = ?scopeID";
+
+            MySqlCommand cmd = new MySqlCommand(command);
+
+            cmd.Parameters.AddWithValue("?principalID", principalID.ToString());
+            cmd.Parameters.AddWithValue("?scopeID", scopeID.ToString());
+
+            IDataReader result = ExecuteReader(cmd);
+
+            if (result.Read())
+            {
+                ret.PrincipalID = principalID;
+                UUID scope;
+                UUID.TryParse(result["ScopeID"].ToString(), out scope);
+                ret.ScopeID = scope;
+
+                if (m_ColumnNames == null)
+                {
+                    m_ColumnNames = new List<string>();
+
+                    DataTable schemaTable = result.GetSchemaTable();
+                    foreach (DataRow row in schemaTable.Rows)
+                        m_ColumnNames.Add(row["ColumnName"].ToString());
+                }
+
+                foreach (string s in m_ColumnNames)
+                {
+                    if (s == "UUID")
+                        continue;
+                    if (s == "ScopeID")
+                        continue;
+
+                    ret.Data[s] = result[s].ToString();
+                }
+
+                result.Close();
+                CloseReaderCommand(cmd);
+
+                return ret;
+            }
+
+            result.Close();
+            CloseReaderCommand(cmd);
+
+            return null;
+        }
+
+        public bool Store(UserAccountData data)
+        {
+            if (data.Data.ContainsKey("UUID"))
+                data.Data.Remove("UUID");
+            if (data.Data.ContainsKey("ScopeID"))
+                data.Data.Remove("ScopeID");
+
+            string[] fields = new List<string>(data.Data.Keys).ToArray();
+
+            MySqlCommand cmd = new MySqlCommand();
+
+            string update = "update `"+m_Realm+"` set ";
+            bool first = true;
+            foreach (string field in fields)
+            {
+                if (!first)
+                    update += ", ";
+                update += "`" + field + "` = ?"+field;
+
+                first = false;
+
+                cmd.Parameters.AddWithValue("?"+field, data.Data[field]);
+            }
+
+            update += " where UUID = ?principalID";
+
+            if (data.ScopeID != UUID.Zero)
+                update += " and ScopeID = ?scopeID";
+
+            cmd.CommandText = update;
+            cmd.Parameters.AddWithValue("?principalID", data.PrincipalID.ToString());
+            cmd.Parameters.AddWithValue("?scopeID", data.ScopeID.ToString());
+
+            if (ExecuteNonQuery(cmd) < 1)
+            {
+                string insert = "insert into `" + m_Realm + "` (`UUID`, `ScopeID`, `" +
+                        String.Join("`, `", fields) +
+                        "`) values ( ?principalID, ?scopeID, ?" + String.Join(", ?", fields) + ")";
+
+                cmd.CommandText = insert;
+
+                if (ExecuteNonQuery(cmd) < 1)
+                {
+                    cmd.Dispose();
+                    return false;
+                }
+            }
+
+            cmd.Dispose();
+
+            return true;
+        }
+
+        public bool SetDataItem(UUID principalID, string item, string value)
+        {
+            MySqlCommand cmd = new MySqlCommand("update `" + m_Realm +
+                    "` set `" + item + "` = ?" + item + " where UUID = ?UUID");
+
+
+            cmd.Parameters.AddWithValue("?"+item, value);
+            cmd.Parameters.AddWithValue("?UUID", principalID.ToString());
+
+            if (ExecuteNonQuery(cmd) > 0)
+                return true;
+
+            return false;
+        }
+    }
+}