1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Threading;
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24 | using HeuristicLab.Common;
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25 | using HeuristicLab.Core;
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26 | using System.Collections.Generic;
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27 | using System.Linq;
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28 |
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29 | namespace HeuristicLab.Clients.Hive {
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30 | [Item("Hive Administrator", "Hive Administrator")]
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31 | public sealed class HiveAdminClient : IContent {
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32 | private static HiveAdminClient instance;
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33 | public static HiveAdminClient Instance {
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34 | get {
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35 | if (instance == null) instance = new HiveAdminClient();
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36 | return instance;
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37 | }
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38 | }
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39 |
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40 | #region Properties
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41 | private IItemList<Resource> resources;
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42 | public IItemList<Resource> Resources {
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43 | get { return resources; }
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44 | }
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45 |
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46 | private IItemList<Downtime> downtimes;
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47 | public IItemList<Downtime> Downtimes {
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48 | get { return downtimes; }
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49 | }
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50 |
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51 | private Guid downtimeForResourceId;
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52 | public Guid DowntimeForResourceId {
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53 | get { return downtimeForResourceId; }
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54 | set {
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55 | downtimeForResourceId = value;
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56 | if (downtimes != null) {
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57 | downtimes.Clear();
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58 | }
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59 | }
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60 | }
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61 |
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62 | private IItemList<Project> projects;
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63 | public IItemList<Project> Projects {
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64 | get { return projects; }
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65 | }
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66 |
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67 | private IItemList<AssignedProjectResource> projectResourceAssignments;
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68 | public IItemList<AssignedProjectResource> ProjectResourceAssignments {
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69 | get { return projectResourceAssignments; }
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70 | }
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71 |
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72 | private Dictionary<Guid, HashSet<Project>> projectAncestors;
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73 | public Dictionary<Guid, HashSet<Project>> ProjectAncestors {
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74 | get { return projectAncestors; }
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75 | }
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76 |
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77 | private Dictionary<Guid, HashSet<Project>> projectDescendants;
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78 | public Dictionary<Guid, HashSet<Project>> ProjectDescendants {
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79 | get { return projectDescendants; }
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80 | }
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81 |
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82 | private Dictionary<Guid, HashSet<Resource>> resourceAncestors;
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83 | public Dictionary<Guid, HashSet<Resource>> ResourceAncestors {
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84 | get { return resourceAncestors; }
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85 | }
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86 |
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87 | private Dictionary<Guid, HashSet<Resource>> resourceDescendants;
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88 | public Dictionary<Guid, HashSet<Resource>> ResourceDescendants {
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89 | get { return resourceDescendants; }
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90 | }
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91 |
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92 |
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93 | #endregion
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94 |
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95 | #region Events
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96 | public event EventHandler Refreshing;
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97 | private void OnRefreshing() {
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98 | EventHandler handler = Refreshing;
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99 | if (handler != null) handler(this, EventArgs.Empty);
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100 | }
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101 | public event EventHandler Refreshed;
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102 | private void OnRefreshed() {
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103 | var handler = Refreshed;
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104 | if (handler != null) handler(this, EventArgs.Empty);
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105 | }
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106 | #endregion
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107 |
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108 | private HiveAdminClient() { }
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109 |
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110 | #region Refresh
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111 | public void Refresh() {
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112 | OnRefreshing();
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113 |
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114 | try {
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115 | resources = new ItemList<Resource>();
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116 | projects = new ItemList<Project>();
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117 | projectResourceAssignments = new ItemList<AssignedProjectResource>();
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118 |
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119 | projectAncestors = new Dictionary<Guid, HashSet<Project>>();
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120 | projectDescendants = new Dictionary<Guid, HashSet<Project>>();
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121 | resourceAncestors = new Dictionary<Guid, HashSet<Resource>>();
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122 | resourceDescendants = new Dictionary<Guid, HashSet<Resource>>();
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123 |
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124 | HiveServiceLocator.Instance.CallHiveService(service => {
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125 | service.GetSlaveGroupsForAdministration().ForEach(g => resources.Add(g));
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126 | service.GetSlavesForAdministration().ForEach(s => resources.Add(s));
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127 | service.GetProjectsForAdministration().ForEach(p => projects.Add(p));
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128 | var projectIds = projects.Select(p => p.Id).ToList();
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129 | if(projectIds.Any())
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130 | service.GetAssignedResourcesForProjectsAdministration(projectIds)
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131 | .ForEach(a => projectResourceAssignments.Add(a));
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132 | });
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133 |
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134 | UpdateResourceGenealogy(resources);
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135 | UpdateProjectGenealogy(projects);
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136 | }
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137 | catch {
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138 | throw;
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139 | }
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140 | finally {
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141 | OnRefreshed();
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142 | }
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143 | }
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144 |
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145 | public void UpdateResourceGenealogy(IItemList<Resource> resources) {
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146 | resourceAncestors.Clear();
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147 | resourceDescendants.Clear();
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148 |
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149 | foreach (var r in resources) {
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150 | resourceAncestors.Add(r.Id, new HashSet<Resource>());
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151 | resourceDescendants.Add(r.Id, new HashSet<Resource>());
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152 | }
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153 |
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154 | foreach (var r in resources) {
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155 | var parentResourceId = r.ParentResourceId;
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156 | while (parentResourceId != null) {
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157 | var parent = resources.SingleOrDefault(x => x.Id == parentResourceId);
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158 | if (parent != null) {
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159 | resourceAncestors[r.Id].Add(parent);
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160 | resourceDescendants[parent.Id].Add(r);
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161 | parentResourceId = parent.ParentResourceId;
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162 | } else {
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163 | parentResourceId = null;
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164 | }
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165 | }
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166 | }
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167 | }
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168 |
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169 | public void UpdateProjectGenealogy(IItemList<Project> projects) {
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170 | projectAncestors.Clear();
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171 | projectDescendants.Clear();
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172 |
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173 | foreach (var p in projects) {
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174 | projectAncestors.Add(p.Id, new HashSet<Project>());
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175 | projectDescendants.Add(p.Id, new HashSet<Project>());
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176 | }
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177 |
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178 | foreach (var p in projects) {
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179 | var parentProjectId = p.ParentProjectId;
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180 | while (parentProjectId != null) {
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181 | var parent = projects.SingleOrDefault(x => x.Id == parentProjectId);
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182 | if (parent != null) {
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183 | projectAncestors[p.Id].Add(parent);
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184 | projectDescendants[parent.Id].Add(p);
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185 | parentProjectId = parent.ParentProjectId;
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186 | } else {
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187 | parentProjectId = null;
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188 | }
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189 | }
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190 | }
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191 | }
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192 | #endregion
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193 |
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194 | #region Refresh downtime calendar
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195 | public void RefreshCalendar() {
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196 | if (downtimeForResourceId != null && downtimeForResourceId != Guid.Empty) {
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197 | OnRefreshing();
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198 |
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199 | try {
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200 | downtimes = new ItemList<Downtime>();
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201 |
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202 | HiveServiceLocator.Instance.CallHiveService(service => {
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203 | service.GetDowntimesForResource(downtimeForResourceId).ForEach(d => downtimes.Add(d));
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204 | });
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205 | }
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206 | catch {
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207 | throw;
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208 | }
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209 | finally {
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210 | OnRefreshed();
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211 | }
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212 | }
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213 | }
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214 | #endregion
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215 |
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216 | #region Store
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217 | public static void Store(IHiveItem item, CancellationToken cancellationToken) {
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218 | if (item.Id == Guid.Empty) {
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219 | if (item is SlaveGroup) {
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220 | item.Id = HiveServiceLocator.Instance.CallHiveService((s) => s.AddSlaveGroup((SlaveGroup)item));
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221 | }
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222 | if (item is Slave) {
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223 | item.Id = HiveServiceLocator.Instance.CallHiveService((s) => s.AddSlave((Slave)item));
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224 | }
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225 | if (item is Downtime) {
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226 | item.Id = HiveServiceLocator.Instance.CallHiveService((s) => s.AddDowntime((Downtime)item));
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227 | }
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228 | if (item is Project) {
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229 | item.Id = HiveServiceLocator.Instance.CallHiveService(s => s.AddProject((Project)item));
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230 | }
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231 | } else {
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232 | if (item is SlaveGroup) {
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233 | HiveServiceLocator.Instance.CallHiveService((s) => s.UpdateSlaveGroup((SlaveGroup)item));
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234 | }
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235 | if (item is Slave) {
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236 | HiveServiceLocator.Instance.CallHiveService((s) => s.UpdateSlave((Slave)item));
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237 | }
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238 | if (item is Downtime) {
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239 | HiveServiceLocator.Instance.CallHiveService((s) => s.UpdateDowntime((Downtime)item));
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240 | }
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241 | if (item is Project) {
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242 | HiveServiceLocator.Instance.CallHiveService((s) => s.UpdateProject((Project)item));
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243 | }
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244 | }
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245 | }
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246 | #endregion
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247 |
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248 | #region Delete
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249 | public static void Delete(IHiveItem item) {
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250 | if (item is SlaveGroup) {
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251 | HiveServiceLocator.Instance.CallHiveService((s) => s.DeleteSlaveGroup(item.Id));
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252 | } else if (item is Slave) {
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253 | HiveServiceLocator.Instance.CallHiveService((s) => s.DeleteSlave(item.Id));
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254 | } else if (item is Downtime) {
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255 | HiveServiceLocator.Instance.CallHiveService((s) => s.DeleteDowntime(item.Id));
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256 | } else if (item is Project) {
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257 | HiveServiceLocator.Instance.CallHiveService((s) => s.DeleteProject(item.Id));
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258 | }
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259 | }
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260 | #endregion
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261 |
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262 | public void ResetDowntime() {
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263 | downtimeForResourceId = Guid.Empty;
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264 | if (downtimes != null) {
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265 | downtimes.Clear();
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266 | }
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267 | }
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268 |
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269 | #region Helper
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270 | public bool CheckAccessToAdminAreaGranted() {
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271 | if(projects != null) {
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272 | return projects.Count > 0;
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273 | } else {
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274 | bool accessGranted = false;
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275 | HiveServiceLocator.Instance.CallHiveService(s => {
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276 | accessGranted = s.CheckAccessToAdminAreaGranted();
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277 | });
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278 | return accessGranted;
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279 | }
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280 | }
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281 |
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282 | public bool CheckOwnershipOfResource(Resource res, Guid userId) {
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283 | if (res == null || userId == Guid.Empty) return false;
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284 |
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285 | if (res.OwnerUserId == userId) {
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286 | return true;
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287 | } else if(resourceAncestors.ContainsKey(res.Id)) {
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288 | return resourceAncestors[res.Id].Where(x => x.OwnerUserId == userId).Any();
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289 | }
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290 |
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291 | return false;
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292 | }
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293 |
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294 | public bool CheckOwnershipOfProject(Project pro, Guid userId) {
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295 | if (pro == null || userId == Guid.Empty) return false;
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296 |
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297 | if (pro.OwnerUserId == userId) {
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298 | return true;
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299 | } else if (projectAncestors.ContainsKey(pro.Id)) {
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300 | return projectAncestors[pro.Id].Where(x => x.OwnerUserId == userId).Any();
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301 | }
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302 |
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303 | return false;
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304 | }
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305 |
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306 | public bool CheckOwnershipOfParentProject(Project pro, Guid userId) {
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307 | if (pro == null || userId == Guid.Empty) return false;
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308 |
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309 | if(projectAncestors.ContainsKey(pro.Id)) {
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310 | return projectAncestors[pro.Id].Where(x => x.OwnerUserId == userId).Any();
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311 | }
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312 |
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313 | return false;
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314 | }
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315 |
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316 | public bool CheckParentChange(Project child, Project parent) {
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317 | bool changePossible = true;
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318 |
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319 | // change is not possible...
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320 | // ... if the moved project is null
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321 | // ... or the new parent is not stored yet
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322 | // ... or there is not parental change
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323 | if (child == null
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324 | || (parent != null && parent.Id == Guid.Empty)
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325 | || (parent != null && parent.Id == child.ParentProjectId)) {
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326 | changePossible = false;
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327 | } else if(parent != null && projectDescendants.ContainsKey(child.Id)) {
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328 | // ... if the new parent is among the moved project's descendants
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329 | changePossible = !projectDescendants[child.Id].Where(x => x.Id == parent.Id).Any();
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330 | }
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331 |
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332 | return changePossible;
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333 | }
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334 |
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335 | public bool CheckParentChange(Resource child, Resource parent) {
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336 | bool changePossible = true;
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337 |
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338 | // change is not possisble...
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339 | // ... if the child resource is null
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340 | // ... or the child resource equals the parent
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341 | // ... or the new parent is not stored yet
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342 | // ... or the new parent is a slave
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343 | // ... or there is not parental change
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344 | if (child == null
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345 | || child == parent
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346 | || (parent != null && parent.Id == Guid.Empty)
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347 | || (parent != null && parent is Slave)
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348 | || (parent != null && parent.Id == child.ParentResourceId)) {
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349 | changePossible = false;
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350 | } else if (parent != null && resourceDescendants.ContainsKey(child.Id)) {
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351 | // ... or if the new parent is among the moved resource's descendants
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352 | changePossible = !resourceDescendants[child.Id].Where(x => x.Id == parent.Id).Any();
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353 | }
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354 |
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355 | return changePossible;
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356 | }
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357 | #endregion
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358 | }
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359 | }
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