Implement avatar picker queries

OpenSim/Data/IUserAccountData.cs

@@ -48,5 +48,6 @@ namespace OpenSim.Data
     {
         UserAccountData[] Get(string[] fields, string[] values);
         bool Store(UserAccountData data);
+        UserAccountData[] GetUsers(UUID scopeID, string query);
     }
 }

OpenSim/Data/MSSQL/MSSQLUserAccountData.cs

@@ -194,5 +194,10 @@ namespace OpenSim.Data.MSSQL
         {
             return null;
         }
+
+        public UserAccountData[] GetUsers(UUID scopeID, string query)
+        {
+            return null;
+        }
     }
 }

OpenSim/Data/MySQL/MySQLUserAccountData.cs

@@ -42,9 +42,43 @@ namespace OpenSim.Data.MySQL
         {
         }
 
-        public bool Store(UserAccountData data)
+        public UserAccountData[] GetUsers(UUID scopeID, string query)
         {
-            return Store(data);
+            string[] words = query.Split(new char[] {' '});
+
+            for (int i = 0 ; i < words.Length ; i++)
+            {
+                if (words[i].Length < 3)
+                {
+                    if (i != words.Length - 1)
+                        Array.Copy(words, i + 1, words, i, words.Length - i - 1);
+                    Array.Resize(ref words, words.Length - 1);
+                }
+            }
+
+            if (words.Length == 0)
+                return new UserAccountData[0];
+
+            if (words.Length > 2)
+                return new UserAccountData[0];
+
+            MySqlCommand cmd = new MySqlCommand();
+
+            if (words.Length == 1)
+            {
+                cmd.CommandText = String.Format("select * from {0} where (ScopeID=?ScopeID or ScopeID='00000000-0000-0000-0000-000000000000') and (FirstName like ?search or LastName like ?search)", m_Realm);
+                cmd.Parameters.AddWithValue("?search", "%" + words[0] + "%");
+                cmd.Parameters.AddWithValue("?ScopeID", scopeID.ToString());
+            }
+            else
+            {
+                cmd.CommandText = String.Format("select * from {0} where (ScopeID=?ScopeID or ScopeID='00000000-0000-0000-0000-000000000000') and (FirstName like ?searchFirst or LastName like ?searchLast)", m_Realm);
+                cmd.Parameters.AddWithValue("?searchFirst", "%" + words[0] + "%");
+                cmd.Parameters.AddWithValue("?searchLast", "%" + words[1] + "%");
+                cmd.Parameters.AddWithValue("?ScopeID", scopeID.ToString());
+            }
+
+            return DoQuery(cmd);
         }
     }
 }

OpenSim/Services/UserAccountService/UserAccountService.cs

@@ -168,7 +168,17 @@ namespace OpenSim.Services.UserAccountService
 
         public List<UserAccount> GetUserAccounts(UUID scopeID, string query)
         {
-            return null;
+            UserAccountData[] d = m_Database.GetUsers(scopeID, query);
+
+            if (d == null)
+                return new List<UserAccount>();
+
+            List<UserAccount> ret = new List<UserAccount>();
+
+            foreach (UserAccountData data in d)
+                ret.Add(MakeUserAccount(data));
+
+            return ret;
         }
     }
 }