QgsAmsProvider::QgsAmsProvider( const QString &uri, const ProviderOptions &options )
: QgsRasterDataProvider( uri, options )
{
mLegendFetcher = new QgsAmsLegendFetcher( this );
QgsDataSourceUri dataSource( dataSourceUri() );
const QString authcfg = dataSource.authConfigId();
mServiceInfo = QgsArcGisRestUtils::getServiceInfo( dataSource.param( QStringLiteral( "url" ) ), authcfg, mErrorTitle, mError );
mLayerInfo = QgsArcGisRestUtils::getLayerInfo( dataSource.param( QStringLiteral( "url" ) ) + "/" + dataSource.param( QStringLiteral( "layer" ) ), authcfg, mErrorTitle, mError );
const QVariantMap extentData = mLayerInfo.value( QStringLiteral( "extent" ) ).toMap();
mExtent.setXMinimum( extentData[QStringLiteral( "xmin" )].toDouble() );
mExtent.setYMinimum( extentData[QStringLiteral( "ymin" )].toDouble() );
mExtent.setXMaximum( extentData[QStringLiteral( "xmax" )].toDouble() );
mExtent.setYMaximum( extentData[QStringLiteral( "ymax" )].toDouble() );
mCrs = QgsArcGisRestUtils::parseSpatialReference( extentData[QStringLiteral( "spatialReference" )].toMap() );
if ( !mCrs.isValid() )
{
appendError( QgsErrorMessage( tr( "Could not parse spatial reference" ), QStringLiteral( "AMSProvider" ) ) );
return;
}
const QVariantList subLayersList = mLayerInfo.value( QStringLiteral( "subLayers" ) ).toList();
mSubLayers.reserve( subLayersList.size() );
for ( const QVariant &sublayer : subLayersList )
{
mSubLayers.append( sublayer.toMap()[QStringLiteral( "id" )].toString() );
mSubLayerVisibilities.append( true );
}
mTimestamp = QDateTime::currentDateTime();
mValid = true;
}
void QgsError::append( const QString & theMessage, const QString & theTag )
{
mMessageList.append( QgsErrorMessage( theMessage, theTag ) );
}
QgsAfsProvider::QgsAfsProvider( const QString &uri )
: QgsVectorDataProvider( uri )
, mValid( false )
, mObjectIdFieldIdx( -1 )
{
mSharedData.reset( new QgsAfsSharedData() );
mSharedData->mGeometryType = QgsWkbTypes::Unknown;
mSharedData->mDataSource = QgsDataSourceUri( uri );
// Set CRS
mSharedData->mSourceCRS = QgsCoordinateReferenceSystem::fromOgcWmsCrs( mSharedData->mDataSource.param( QStringLiteral( "crs" ) ) );
// Get layer info
QString errorTitle, errorMessage;
const QVariantMap layerData = QgsArcGisRestUtils::getLayerInfo( mSharedData->mDataSource.param( QStringLiteral( "url" ) ), errorTitle, errorMessage );
if ( layerData.isEmpty() )
{
pushError( errorTitle + ": " + errorMessage );
appendError( QgsErrorMessage( tr( "getLayerInfo failed" ), QStringLiteral( "AFSProvider" ) ) );
return;
}
mLayerName = layerData[QStringLiteral( "name" )].toString();
mLayerDescription = layerData[QStringLiteral( "description" )].toString();
// Set extent
QStringList coords = mSharedData->mDataSource.param( QStringLiteral( "bbox" ) ).split( ',' );
if ( coords.size() == 4 )
{
bool xminOk = false, yminOk = false, xmaxOk = false, ymaxOk = false;
mSharedData->mExtent.setXMinimum( coords[0].toDouble( &xminOk ) );
mSharedData->mExtent.setYMinimum( coords[1].toDouble( &yminOk ) );
mSharedData->mExtent.setXMaximum( coords[2].toDouble( &xmaxOk ) );
mSharedData->mExtent.setYMaximum( coords[3].toDouble( &ymaxOk ) );
if ( !xminOk || !yminOk || !xmaxOk || !ymaxOk )
mSharedData->mExtent = QgsRectangle();
}
const QVariantMap layerExtentMap = layerData[QStringLiteral( "extent" )].toMap();
bool xminOk = false, yminOk = false, xmaxOk = false, ymaxOk = false;
QgsRectangle originalExtent;
originalExtent.setXMinimum( layerExtentMap[QStringLiteral( "xmin" )].toDouble( &xminOk ) );
originalExtent.setYMinimum( layerExtentMap[QStringLiteral( "ymin" )].toDouble( &yminOk ) );
originalExtent.setXMaximum( layerExtentMap[QStringLiteral( "xmax" )].toDouble( &xmaxOk ) );
originalExtent.setYMaximum( layerExtentMap[QStringLiteral( "ymax" )].toDouble( &ymaxOk ) );
if ( mSharedData->mExtent.isEmpty() && ( !xminOk || !yminOk || !xmaxOk || !ymaxOk ) )
{
appendError( QgsErrorMessage( tr( "Could not retrieve layer extent" ), QStringLiteral( "AFSProvider" ) ) );
return;
}
QgsCoordinateReferenceSystem extentCrs = QgsArcGisRestUtils::parseSpatialReference( layerExtentMap[QStringLiteral( "spatialReference" )].toMap() );
if ( mSharedData->mExtent.isEmpty() && !extentCrs.isValid() )
{
appendError( QgsErrorMessage( tr( "Could not parse spatial reference" ), QStringLiteral( "AFSProvider" ) ) );
return;
}
if ( xminOk && yminOk && xmaxOk && ymaxOk )
{
QgsLayerMetadata::SpatialExtent spatialExtent;
spatialExtent.bounds = QgsBox3d( originalExtent );
spatialExtent.extentCrs = extentCrs;
QgsLayerMetadata::Extent metadataExtent;
metadataExtent.setSpatialExtents( QList< QgsLayerMetadata::SpatialExtent >() << spatialExtent );
mLayerMetadata.setExtent( metadataExtent );
}
if ( extentCrs.isValid() )
{
mLayerMetadata.setCrs( extentCrs );
}
if ( mSharedData->mExtent.isEmpty() )
{
mSharedData->mExtent = originalExtent;
Q_NOWARN_DEPRECATED_PUSH
mSharedData->mExtent = QgsCoordinateTransform( extentCrs, mSharedData->mSourceCRS ).transformBoundingBox( mSharedData->mExtent );
Q_NOWARN_DEPRECATED_POP
}
QgsAfsProvider::QgsAfsProvider( const QString& uri )
: QgsVectorDataProvider( uri )
, mValid( false )
, mGeometryType( QgsWkbTypes::Unknown )
, mObjectIdFieldIdx( -1 )
{
mDataSource = QgsDataSourceUri( uri );
// Set CRS
mSourceCRS = QgsCoordinateReferenceSystem::fromOgcWmsCrs( mDataSource.param( "crs" ) );
// Get layer info
QString errorTitle, errorMessage;
QVariantMap layerData = QgsArcGisRestUtils::getLayerInfo( mDataSource.param( "url" ), errorTitle, errorMessage );
if ( layerData.isEmpty() )
{
pushError( errorTitle + ": " + errorMessage );
appendError( QgsErrorMessage( tr( "getLayerInfo failed" ), "AFSProvider" ) );
return;
}
mLayerName = layerData["name"].toString();
mLayerDescription = layerData["description"].toString();
// Set extent
QStringList coords = mDataSource.param( "bbox" ).split( "," );
if ( coords.size() == 4 )
{
bool xminOk = false, yminOk = false, xmaxOk = false, ymaxOk = false;
mExtent.setXMinimum( coords[0].toDouble( &xminOk ) );
mExtent.setYMinimum( coords[1].toDouble( &yminOk ) );
mExtent.setXMaximum( coords[2].toDouble( &xmaxOk ) );
mExtent.setYMaximum( coords[3].toDouble( &ymaxOk ) );
if ( !xminOk || !yminOk || !xmaxOk || !ymaxOk )
mExtent = QgsRectangle();
}
if ( mExtent.isEmpty() )
{
QVariantMap layerExtentMap = layerData["extent"].toMap();
bool xminOk = false, yminOk = false, xmaxOk = false, ymaxOk = false;
mExtent.setXMinimum( layerExtentMap["xmin"].toDouble( &xminOk ) );
mExtent.setYMinimum( layerExtentMap["ymin"].toDouble( &yminOk ) );
mExtent.setXMaximum( layerExtentMap["xmax"].toDouble( &xmaxOk ) );
mExtent.setYMaximum( layerExtentMap["ymax"].toDouble( &ymaxOk ) );
if ( !xminOk || !yminOk || !xmaxOk || !ymaxOk )
{
appendError( QgsErrorMessage( tr( "Could not retrieve layer extent" ), "AFSProvider" ) );
return;
}
QgsCoordinateReferenceSystem extentCrs = QgsArcGisRestUtils::parseSpatialReference( layerExtentMap["spatialReference"].toMap() );
if ( !extentCrs.isValid() )
{
appendError( QgsErrorMessage( tr( "Could not parse spatial reference" ), "AFSProvider" ) );
return;
}
mExtent = QgsCoordinateTransform( extentCrs, mSourceCRS ).transformBoundingBox( mExtent );
}
// Read fields
foreach ( const QVariant& fieldData, layerData["fields"].toList() )
{
QVariantMap fieldDataMap = fieldData.toMap();
QString fieldName = fieldDataMap["name"].toString();
QVariant::Type type = QgsArcGisRestUtils::mapEsriFieldType( fieldDataMap["type"].toString() );
if ( fieldName == "geometry" || type == QVariant::Invalid )
{
QgsDebugMsg( QString( "Skipping unsupported (or possibly geometry) field" ).arg( fieldName ) );
continue;
}
QgsField field( fieldName, type, fieldDataMap["type"].toString(), fieldDataMap["length"].toInt() );
mFields.append( field );
}
// Determine geometry type
bool hasM = layerData["hasM"].toBool();
bool hasZ = layerData["hasZ"].toBool();
mGeometryType = QgsArcGisRestUtils::mapEsriGeometryType( layerData["geometryType"].toString() );
if ( mGeometryType == QgsWkbTypes::Unknown )
{
appendError( QgsErrorMessage( tr( "Failed to determine geometry type" ), "AFSProvider" ) );
return;
}
mGeometryType = QgsWkbTypes::zmType( mGeometryType, hasZ, hasM );
// Read OBJECTIDs of all features: these may not be a continuous sequence,
// and we need to store these to iterate through the features. This query
// also returns the name of the ObjectID field.
QVariantMap objectIdData = QgsArcGisRestUtils::getObjectIds( mDataSource.param( "url" ), errorTitle, errorMessage );
if ( objectIdData.isEmpty() )
{
appendError( QgsErrorMessage( tr( "getObjectIds failed: %1 - %2" ).arg( errorTitle ).arg( errorMessage ), "AFSProvider" ) );
return;
}
if ( !objectIdData["objectIdFieldName"].isValid() || !objectIdData["objectIds"].isValid() )
{
appendError( QgsErrorMessage( tr( "Failed to determine objectIdFieldName and/or objectIds" ), "AFSProvider" ) );
return;
}
mObjectIdFieldName = objectIdData["objectIdFieldName"].toString();
for ( int idx = 0, nIdx = mFields.count(); idx < nIdx; ++idx )
{
if ( mFields.at( idx ).name() == mObjectIdFieldName )
{
mObjectIdFieldIdx = idx;
break;
}
}
foreach ( const QVariant& objectId, objectIdData["objectIds"].toList() )
{
mObjectIds.append( objectId.toInt() );
}
mValid = true;
}
QgsAfsProvider::QgsAfsProvider( const QString &uri, const ProviderOptions &options )
: QgsVectorDataProvider( uri, options )
{
mSharedData.reset( new QgsAfsSharedData() );
mSharedData->mGeometryType = QgsWkbTypes::Unknown;
mSharedData->mDataSource = QgsDataSourceUri( uri );
const QString authcfg = mSharedData->mDataSource.authConfigId();
// Set CRS
mSharedData->mSourceCRS.createFromString( mSharedData->mDataSource.param( QStringLiteral( "crs" ) ) );
// Get layer info
QString errorTitle, errorMessage;
const QString referer = mSharedData->mDataSource.param( QStringLiteral( "referer" ) );
if ( !referer.isEmpty() )
mRequestHeaders[ QStringLiteral( "Referer" )] = referer;
const QVariantMap layerData = QgsArcGisRestUtils::getLayerInfo( mSharedData->mDataSource.param( QStringLiteral( "url" ) ),
authcfg, errorTitle, errorMessage, mRequestHeaders );
if ( layerData.isEmpty() )
{
pushError( errorTitle + ": " + errorMessage );
appendError( QgsErrorMessage( tr( "getLayerInfo failed" ), QStringLiteral( "AFSProvider" ) ) );
return;
}
mLayerName = layerData[QStringLiteral( "name" )].toString();
mLayerDescription = layerData[QStringLiteral( "description" )].toString();
// Set extent
QStringList coords = mSharedData->mDataSource.param( QStringLiteral( "bbox" ) ).split( ',' );
bool limitBbox = false;
if ( coords.size() == 4 )
{
bool xminOk = false, yminOk = false, xmaxOk = false, ymaxOk = false;
mSharedData->mExtent.setXMinimum( coords[0].toDouble( &xminOk ) );
mSharedData->mExtent.setYMinimum( coords[1].toDouble( &yminOk ) );
mSharedData->mExtent.setXMaximum( coords[2].toDouble( &xmaxOk ) );
mSharedData->mExtent.setYMaximum( coords[3].toDouble( &ymaxOk ) );
if ( !xminOk || !yminOk || !xmaxOk || !ymaxOk )
mSharedData->mExtent = QgsRectangle();
else
{
// user has set a bounding box limit on the layer - so we only EVER fetch features from this extent
limitBbox = true;
}
}
const QVariantMap layerExtentMap = layerData[QStringLiteral( "extent" )].toMap();
bool xminOk = false, yminOk = false, xmaxOk = false, ymaxOk = false;
QgsRectangle originalExtent;
originalExtent.setXMinimum( layerExtentMap[QStringLiteral( "xmin" )].toDouble( &xminOk ) );
originalExtent.setYMinimum( layerExtentMap[QStringLiteral( "ymin" )].toDouble( &yminOk ) );
originalExtent.setXMaximum( layerExtentMap[QStringLiteral( "xmax" )].toDouble( &xmaxOk ) );
originalExtent.setYMaximum( layerExtentMap[QStringLiteral( "ymax" )].toDouble( &ymaxOk ) );
if ( mSharedData->mExtent.isEmpty() && ( !xminOk || !yminOk || !xmaxOk || !ymaxOk ) )
{
appendError( QgsErrorMessage( tr( "Could not retrieve layer extent" ), QStringLiteral( "AFSProvider" ) ) );
return;
}
QgsCoordinateReferenceSystem extentCrs = QgsArcGisRestUtils::parseSpatialReference( layerExtentMap[QStringLiteral( "spatialReference" )].toMap() );
if ( mSharedData->mExtent.isEmpty() && !extentCrs.isValid() )
{
appendError( QgsErrorMessage( tr( "Could not parse spatial reference" ), QStringLiteral( "AFSProvider" ) ) );
return;
}
if ( xminOk && yminOk && xmaxOk && ymaxOk )
{
QgsLayerMetadata::SpatialExtent spatialExtent;
spatialExtent.bounds = QgsBox3d( originalExtent );
spatialExtent.extentCrs = extentCrs;
QgsLayerMetadata::Extent metadataExtent;
metadataExtent.setSpatialExtents( QList< QgsLayerMetadata::SpatialExtent >() << spatialExtent );
mLayerMetadata.setExtent( metadataExtent );
}
if ( extentCrs.isValid() )
{
mLayerMetadata.setCrs( extentCrs );
}
if ( mSharedData->mExtent.isEmpty() )
{
mSharedData->mExtent = originalExtent;
Q_NOWARN_DEPRECATED_PUSH
mSharedData->mExtent = QgsCoordinateTransform( extentCrs, mSharedData->mSourceCRS ).transformBoundingBox( mSharedData->mExtent );
Q_NOWARN_DEPRECATED_POP
}
