/* 
 * Copyright (c) 2009 Craig Sutherland
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

using System.Collections.Generic;
namespace FastForward.Cache
{
    /// <summary>
    /// Extension methods for working with extensions.
    /// </summary>
    public static class DatabaseConditionExtensions
    {
        #region Public methods
        #region EqualTo()
        /// <summary>
        /// Returns a database condition where a column is equal to a value.
        /// </summary>
        /// <param name="column">The column name.</param>
        /// <param name="value">The comparison value.</param>
        /// <returns>A new <see cref="DatabaseConditionValue"/> containing the condition.</returns>
        public static DatabaseConditionValue EqualTo(this string column, object value)
        {
            return new DatabaseConditionValue
            {
                Column = column,
                Value = value
            };
        }
        #endregion

        #region And()
        /// <summary>
        /// Returns a database condition join where two or more columns are joined in an and clause.
        /// </summary>
        /// <param name="condition1">The first condition.</param>
        /// <param name="conditions">The second condition</param>
        /// <returns>A new <see cref="DatabaseConditionJoin"/> containing the join.</returns>
        public static DatabaseConditionJoin And(this DatabaseCondition condition1, params DatabaseCondition[] conditions)
        {
            var fullList = new List<DatabaseCondition>(conditions);
            fullList.Insert(0, condition1);
            return new DatabaseConditionJoin
            {
                Conditions = fullList.ToArray(),
                JoinType = DatabaseConditionJoinType.And
            };
        }
        #endregion
        #endregion
    }
}