[Server][Cache] Add documents to store in cache: WMS Context, WFS DescribeFeatureType, WCS DescribeCoverage

Author: rldhont

src/server/services/wcs/qgswcsdescribecoverage.cpp

@@ -36,10 +36,29 @@ namespace QgsWcs
   void writeDescribeCoverage( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
                               const QgsServerRequest &request, QgsServerResponse &response )
   {
-    QDomDocument doc = createDescribeCoverageDocument( serverIface, project, version, request );
+    QgsAccessControl *accessControl = serverIface->accessControls();
+
+    QDomDocument doc;
+    const QDomDocument *describeDocument = nullptr;
+
+    QgsServerCacheManager *cacheManager = serverIface->cacheManager();
+    if ( cacheManager && cacheManager->getCachedDocument( &doc, project, request, accessControl ) )
+    {
+      describeDocument = &doc;
+    }
+    else //describe feature xml not in cache. Create a new one
+    {
+      doc = createDescribeCoverageDocument( serverIface, project, version, request );
+
+      if ( cacheManager )
+      {
+        cacheManager->setCachedDocument( &doc, project, request, accessControl );
+      }
+      describeDocument = &doc;
+    }
 
     response.setHeader( "Content-Type", "text/xml; charset=utf-8" );
-    response.write( doc.toByteArray() );
+    response.write( describeDocument->toByteArray() );
   }
 
 

src/server/services/wfs/qgswfsdescribefeaturetype.cpp

@@ -42,10 +42,29 @@ namespace QgsWfs
   void writeDescribeFeatureType( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
                                  const QgsServerRequest &request, QgsServerResponse &response )
   {
-    QDomDocument doc = createDescribeFeatureTypeDocument( serverIface, project, version, request );
+    QgsAccessControl *accessControl = serverIface->accessControls();
+
+    QDomDocument doc;
+    const QDomDocument *describeDocument = nullptr;
+
+    QgsServerCacheManager *cacheManager = serverIface->cacheManager();
+    if ( cacheManager && cacheManager->getCachedDocument( &doc, project, request, accessControl ) )
+    {
+      describeDocument = &doc;
+    }
+    else //describe feature xml not in cache. Create a new one
+    {
+      doc = createDescribeFeatureTypeDocument( serverIface, project, version, request );
+
+      if ( cacheManager )
+      {
+        cacheManager->setCachedDocument( &doc, project, request, accessControl );
+      }
+      describeDocument = &doc;
+    }
 
     response.setHeader( "Content-Type", "text/xml; charset=utf-8" );
-    response.write( doc.toByteArray() );
+    response.write( describeDocument->toByteArray() );
   }
 
 

src/server/services/wms/qgswmsgetcontext.cpp

@@ -55,10 +55,29 @@ namespace QgsWms
                         const QString &version, const QgsServerRequest &request,
                         QgsServerResponse &response )
   {
-    QDomDocument doc = getContext( serverIface, project, version, request );
+    QgsAccessControl *accessControl = serverIface->accessControls();
+
+    QDomDocument doc;
+    const QDomDocument *contextDocument = nullptr;
+
+    QgsServerCacheManager *cacheManager = serverIface->cacheManager();
+    if ( cacheManager && cacheManager->getCachedDocument( &doc, project, request, accessControl ) )
+    {
+      contextDocument = &doc;
+    }
+    else //context xml not in cache. Create a new one
+    {
+      doc = getContext( serverIface, project, version, request );
+
+      if ( cacheManager )
+      {
+        cacheManager->setCachedDocument( &doc, project, request, accessControl );
+      }
+      contextDocument = &doc;
+    }
 
     response.setHeader( QStringLiteral( "Content-Type" ), QStringLiteral( "text/xml; charset=utf-8" ) );
-    response.write( doc.toByteArray() );
+    response.write( contextDocument->toByteArray() );
   }