Fix return servicePath in the entity response

CHANGES_NEXT_RELEASE

@@ -1 +1,2 @@
+- Add: servicePath field to builtin attributes (#2877)
 - Fix: logDeprecate not working correctly (`geo:json` wrongly considered as deprecated)

src/lib/common/globals.h

@@ -95,6 +95,7 @@
 #define DATE_MODIFIED   "dateModified"
 #define DATE_EXPIRES    "dateExpires"
 #define ALTERATION_TYPE "alterationType"
+#define SERVICE_PATH    "servicePath"
 #define ALL_ATTRS       "*"
 
 

src/lib/mongoBackend/MongoGlobal.cpp

@@ -836,6 +836,11 @@ static std::string sortCriteria(const std::string& sortToken)
     return ENT_MODIFICATION_DATE;
   }
 
+  if (sortToken == SERVICE_PATH)
+  {
+    return std::string("_id.") + ENT_SERVICE_PATH;
+  }
+
   if (sortToken == ENT_ENTITY_ID)
   {
     return std::string("_id.") + ENT_ENTITY_ID;
@@ -1313,6 +1318,11 @@ void addBuiltins(ContextElementResponse* cerP, const std::string& alterationType
     addIfNotPresentAttr(&cerP->entity, ALTERATION_TYPE, DEFAULT_ATTR_STRING_TYPE, alterationType);
   }
 
+  // servicePath
+  if (!cerP->entity.servicePath.empty())
+  {
+    addIfNotPresentAttr(&cerP->entity, SERVICE_PATH, DEFAULT_ATTR_STRING_TYPE, cerP->entity.servicePath);
+  }
 
   for (unsigned int ix = 0; ix < cerP->entity.attributeVector.size(); ix++)
   {

src/lib/rest/StringFilter.cpp

@@ -1835,6 +1835,10 @@ bool StringFilter::mongoFilterPopulate(std::string* errorStringP)
     {
       k = ENT_MODIFICATION_DATE;
     }
+    else if (left == SERVICE_PATH)
+    {
+      k = std::string("_id.") + ENT_SERVICE_PATH;
+    }
     else if (left == itemP->attributeName + "." + ENT_ATTRS_MD "." + NGSI_MD_DATECREATED)
     {
       k = std::string(ENT_ATTRS) + "." + itemP->attributeName + "." + ENT_ATTRS_CREATION_DATE;