source: branches/HiveStatistics/sources/HeuristicLab.Services.WebApp.Maintenance/3.3/WebApi/PluginController.cs @ 12769

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Linq;
using System.Web.Http;
using HeuristicLab.Services.Hive;
using HeuristicLab.Services.Hive.DataAccess.Interfaces;
using DT = HeuristicLab.Services.WebApp.Maintenance.WebApi.DataTransfer;

namespace HeuristicLab.Services.WebApp.Maintenance.WebApi {
  public class PluginController : ApiController {
    private IPersistenceManager PersistenceManager {
      get { return ServiceLocator.Instance.PersistenceManager; }
    }

    public DT.PluginPage GetUnusedPlugins(int page, int size) {
      using (var pm = PersistenceManager) {
        var pluginDao = pm.PluginDao;
        var requiredPluginDao = pm.RequiredPluginDao;
        var taskDao = pm.TaskDao;
        return pm.UseTransaction(() => {
          var taskIds = taskDao.GetAll().Select(x => x.TaskId);
          var usedPluginIds = requiredPluginDao.GetAll()
            .Where(x => taskIds.Contains(x.TaskId))
            .Select(x => x.PluginId)
            .Distinct();
          var query = pluginDao.GetAll().Where(x => !usedPluginIds.Any(y => y == x.PluginId));
          return new DT.PluginPage {
            TotalPlugins = query.Count(),
            Plugins = query.OrderBy(x => x.DateCreated).ThenBy(x => x.Name)
              .Skip((page - 1) * size)
              .Take(size).Select(x => new DT.Plugin {
                Id = x.PluginId,
                Name = x.Name,
                Version = x.Version,
                DateCreated = x.DateCreated
              })
              .ToList()
          };
        });
      }
    }

    [HttpPost]
    public void DeletePlugin(Guid id) {
      using (var pm = PersistenceManager) {
        var pluginDao = pm.PluginDao;
        pm.UseTransaction(() => {
          pluginDao.Delete(id);
          pm.SubmitChanges();
        });
      }
    }

    [HttpPost]
    public void DeleteUnusedPlugins() {
      using (var pm = PersistenceManager) {
        var pluginDao = pm.PluginDao;
        pm.UseTransaction(() => {
          pluginDao.DeleteUnusedPlugins();
          pm.SubmitChanges();
        });
      }
    }
  }
}