Generate geodatabase replica from feature service

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 // [WriteFile Name=GenerateGeodatabaseReplicaFromFeatureService, Category=Features] // [Legal] // Copyright 2016 Esri. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // [Legal]  #ifdef PCH_BUILD #include "pch.hpp" #endif // PCH_BUILD  // sample headers #include "GenerateGeodatabaseReplicaFromFeatureService.h"  // ArcGIS Maps SDK headers #include "ArcGISFeatureServiceInfo.h" #include "ArcGISTiledLayer.h" #include "Basemap.h" #include "Envelope.h" #include "Error.h" #include "FeatureLayer.h" #include "GenerateGeodatabaseJob.h" #include "GenerateGeodatabaseParameters.h" #include "GenerateLayerOption.h" #include "Geodatabase.h" #include "GeodatabaseFeatureTable.h" #include "GeodatabaseSyncTask.h" #include "GeometryEngine.h" #include "IdInfo.h" #include "LayerListModel.h" #include "Map.h" #include "MapQuickView.h" #include "MapViewTypes.h" #include "Point.h" #include "ServiceFeatureTable.h" #include "SpatialReference.h" #include "TaskTypes.h" #include "TileCache.h" #include "Viewpoint.h"  // Qt headers #include <QFuture> #include <QStandardPaths> #include <QUrl> #include <QtCore/qglobal.h>  using namespace Esri::ArcGISRuntime;  // helper method to get cross platform data path namespace {  QString defaultDataPath()  {  QString dataPath;   #ifdef Q_OS_IOS  dataPath = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);  #else  dataPath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);  #endif   return dataPath;  } } // namespace  GenerateGeodatabaseReplicaFromFeatureService::GenerateGeodatabaseReplicaFromFeatureService(QQuickItem* parent) :  QQuickItem(parent),  m_dataPath(defaultDataPath() + "/ArcGIS/Runtime/Data/") { }  GenerateGeodatabaseReplicaFromFeatureService::~GenerateGeodatabaseReplicaFromFeatureService() = default;  void GenerateGeodatabaseReplicaFromFeatureService::init() {  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");  qmlRegisterType<GenerateGeodatabaseReplicaFromFeatureService>("Esri.Samples", 1, 0, "GenerateGeodatabaseReplicaFromFeatureServiceSample"); }  void GenerateGeodatabaseReplicaFromFeatureService::componentComplete() {  QQuickItem::componentComplete();   // find QML MapView component  m_mapView = findChild<MapQuickView*>("mapView");  m_mapView->setWrapAroundMode(WrapAroundMode::Disabled);   //! [Create a map using a local tile package]  TileCache* tileCache = new TileCache(m_dataPath + "tpkx/SanFrancisco.tpkx", this);  ArcGISTiledLayer* tiledLayer = new ArcGISTiledLayer(tileCache, this);  Basemap* basemap = new Basemap(tiledLayer, this);  m_map = new Map(basemap, this);  //! [Create a map using a local tile package]   // set an initial viewpoint  Envelope env(-122.50017, 37.74500, -122.43843, 37.81638, SpatialReference(4326));  Viewpoint viewpoint(env);  m_map->setInitialViewpoint(viewpoint);   // Set map to map view  m_mapView->setMap(m_map);   //! [Features GenerateGeodatabase Part 1]  // create the GeodatabaseSyncTask  m_syncTask = new GeodatabaseSyncTask(QUrl(m_featureServiceUrl), this);  //! [Features GenerateGeodatabase Part 1]   // connect to sync task doneLoading signal  connect(m_syncTask, &GeodatabaseSyncTask::doneLoading, this, [this](const Error& error)  {  if (!error.isEmpty())  {  emit updateStatus("Generate failed");  emit hideWindow(5000, false);  return;  }   // add online feature layers to the map, and obtain service IDs  m_featureServiceInfo = m_syncTask->featureServiceInfo();  const auto infos = m_featureServiceInfo.layerInfos();  for (const IdInfo& idInfo : infos)  {  // get the layer ID from the idInfo  QString id = QString::number(idInfo.infoId());   // add the layer to the map  QUrl featureLayerUrl(m_featureServiceInfo.url().toString() + "/" + id);  ServiceFeatureTable* serviceFeatureTable = new ServiceFeatureTable(featureLayerUrl, this);  FeatureLayer* featureLayer = new FeatureLayer(serviceFeatureTable, this);  m_map->operationalLayers()->append(featureLayer);   // add the layer id to the string list  m_serviceIds << id;  }   });   // connect to map doneLoading signal  connect(m_map, &Map::doneLoading, this, [this](const Error& error)  {  if (error.isEmpty())  {  // load the sync task once the map loads  m_syncTask->load();  }  }); }  void GenerateGeodatabaseReplicaFromFeatureService::addFeatureLayers(const QString& serviceUrl, const QStringList& serviceIds) {  for (const QString& id : serviceIds)  {  ServiceFeatureTable* serviceFeatureTable = new ServiceFeatureTable(QUrl(serviceUrl + id), this);  FeatureLayer* featureLayer = new FeatureLayer(serviceFeatureTable, this);  m_map->operationalLayers()->append(featureLayer);  } }  //! [Features GenerateGeodatabase Part 2] GenerateGeodatabaseParameters GenerateGeodatabaseReplicaFromFeatureService::getUpdatedParameters(Envelope gdbExtent) {  // create the parameters  GenerateGeodatabaseParameters params;  params.setReturnAttachments(false);  params.setOutSpatialReference(SpatialReference::webMercator());  params.setExtent(gdbExtent);   // set the layer options for all of the service IDs  QList<GenerateLayerOption> layerOptions;  for (const QString& id : std::as_const(m_serviceIds))  {  GenerateLayerOption generateLayerOption(id.toInt());  layerOptions << generateLayerOption;  }  params.setLayerOptions(layerOptions);   return params; }  void GenerateGeodatabaseReplicaFromFeatureService::generateGeodatabaseFromCorners(double xCorner1, double yCorner1, double xCorner2, double yCorner2) {  // create an envelope from the QML rectangle corners  const Point corner1 = m_mapView->screenToLocation(xCorner1, yCorner1);  const Point corner2 = m_mapView->screenToLocation(xCorner2, yCorner2);  const Envelope extent(corner1, corner2);  const Envelope geodatabaseExtent = geometry_cast<Envelope>(GeometryEngine::project(extent, SpatialReference::webMercator()));   // get the updated parameters  GenerateGeodatabaseParameters params = getUpdatedParameters(geodatabaseExtent);   // execute the task and obtain the job  const QString outputGdb = m_tempPath.path() + "/wildfire.geodatabase";  GenerateGeodatabaseJob* generateJob = m_syncTask->generateGeodatabase(params, outputGdb);   // connect to the job's status changed signal  if (generateJob)  {  connect(generateJob, &GenerateGeodatabaseJob::statusChanged, this, [this, generateJob](JobStatus jobStatus)  {  // connect to the job's status changed signal to know once it is done  switch (jobStatus) {  case JobStatus::Failed:  emit updateStatus("Generate failed");  emit hideWindow(5000, false);  break;  case JobStatus::NotStarted:  emit updateStatus("Job not started");  break;  case JobStatus::Paused:  emit updateStatus("Job paused");  break;  case JobStatus::Started:  emit updateStatus("In progress...");  break;  case JobStatus::Succeeded:  emit updateStatus("Complete");  emit hideWindow(1500, true);  addOfflineData(generateJob->result());  break;  default:  break;  }  });   // start the generate job  generateJob->start();  }  else  {  emit updateStatus("Generate failed");  emit hideWindow(5000, false);  } } //! [Features GenerateGeodatabase Part 2]  void GenerateGeodatabaseReplicaFromFeatureService::addOfflineData(Geodatabase* gdb) {  // remove the original online feature layers  m_map->operationalLayers()->clear();   // load the geodatabase  connect(gdb, &Geodatabase::doneLoading, this, [this, gdb](Error)  {  // create a feature layer from each feature table, and add to the map  const auto tables = gdb->geodatabaseFeatureTables();  for (GeodatabaseFeatureTable* featureTable : tables)  {  FeatureLayer* featureLayer = new FeatureLayer(featureTable, this);  m_map->operationalLayers()->append(featureLayer);  }   // unregister geodatabase since there will be no edits uploaded  auto unregisterFuture = m_syncTask->unregisterGeodatabaseAsync(gdb);  Q_UNUSED(unregisterFuture)  });  gdb->load(); }