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using System.Collections.Generic;
using XenAdmin.Core;
using XenAPI;
using System.Linq;

namespace XenAdmin.Wizards.PatchingWizard.PlanActions
{
    class RemoveUpdateFileFromMasterPlanAction : PlanActionWithSession
    {
        private readonly List<PoolPatchMapping> patchMappings = new List<PoolPatchMapping>();
        private readonly XenServerPatch patch = null;
        private readonly Host master = null;

        public RemoveUpdateFileFromMasterPlanAction(Host master, List<PoolPatchMapping> patchMappings, XenServerPatch patch)
            : base(master.Connection, string.Format(Messages.UPDATES_WIZARD_REMOVING_UPDATES_FROM_POOL, master.Name))
        {
            this.patchMappings = patchMappings;
            this.patch = patch;
            this.master = master;
        }

        protected override void RunWithSession(ref Session session)
        {
            var mapping = patchMappings.FirstOrDefault(pm => pm.Host == master && pm.XenServerPatch == patch);

            if (mapping != null)
            {
                var task = Pool_patch.async_pool_clean(session, mapping.Pool_patch.opaque_ref);
                PollTaskForResultAndDestroy(Connection, ref session, task);

                patchMappings.Remove(mapping);
            }
        }
    }
}