fix: file upload status - code style change

https://telecominfraproject.atlassian.net/browse/WIFI-14134

Summary of changes:
- Code style change.

Signed-off-by: Ivan Chvets <ivan.chvets@kinarasystems.com>

src/RESTAPI/RESTAPI_file.cpp

@@ -22,9 +22,15 @@ namespace OpenWifi {
 
 		std::string FileType;
 		std::string FileContent;
-		if (!StorageService()->GetAttachedFileContent(UUID, SerialNumber, FileContent, FileType) || FileContent.empty()) {
+		int WaitingForFile = 0;
+		if (!StorageService()->GetAttachedFileContent(UUID, SerialNumber, FileContent, FileType, WaitingForFile) && !WaitingForFile) {
 			return NotFound();
 		}
+		else if (WaitingForFile) {
+			// waiting for file to be uploaded, return Accepted
+			return Accepted();
+		}
+
 		if (FileType == "pcap") {
 			SendFileContent(FileContent, "application/vnd.tcpdump.pcap", UUID + ".pcap");
 		}

src/StorageService.h

@@ -243,7 +243,7 @@ namespace OpenWifi {
 									 const std::string &Type);
 		bool CancelWaitFile(std::string &UUID, std::string &ErrorText);
 		bool GetAttachedFileContent(std::string &UUID, const std::string &SerialNumber,
-									std::string &FileContent, std::string &Type);
+									std::string &FileContent, std::string &Type, int& WaitingForFile);
 		bool RemoveAttachedFile(std::string &UUID);
 		bool SetCommandResult(std::string &UUID, std::string &Result);
 		bool GetNewestCommands(std::string &SerialNumber, uint64_t HowMany,

src/framework/RESTAPI_Handler.h

@@ -431,6 +431,11 @@ namespace OpenWifi {
 			}
 		}
 
+		inline void Accepted() {
+			PrepareResponse(Poco::Net::HTTPResponse::HTTP_ACCEPTED);
+			Response->send();
+		}
+
 		inline void SendCompressedTarFile(const std::string &FileName, const std::string &Content) {
 			Response->setStatus(Poco::Net::HTTPResponse::HTTPStatus::HTTP_OK);
 			SetCommonHeaders();

src/storage/storage_command.cpp

@@ -647,18 +647,6 @@ namespace OpenWifi {
 			Sess.begin();
 			Poco::Data::Statement Statement(Sess);
 
-			std::string StatementStr;
-
-			//	Get the existing command
-
-			StatementStr =
-				"UPDATE CommandList SET WaitingForFile=?, AttachDate=?, AttachSize=? WHERE UUID=?";
-
-			Statement << ConvertParams(StatementStr), Poco::Data::Keywords::use(WaitForFile),
-				Poco::Data::Keywords::use(Now), Poco::Data::Keywords::use(Size),
-				Poco::Data::Keywords::use(UUID);
-			Statement.execute();
-			Sess.commit();
 			if (Size < FileUploader()->MaxSize()) {
 
 				Poco::Data::BLOB TheBlob;
@@ -681,6 +669,18 @@ namespace OpenWifi {
 				poco_warning(Logger(), fmt::format("File {} is too large.", UUID));
 			}
 			Sess.commit();
+
+			// update CommandList here to ensure that file us uploaded
+			std::string StatementStr;
+			StatementStr =
+				"UPDATE CommandList SET WaitingForFile=?, AttachDate=?, AttachSize=? WHERE UUID=?";
+
+			Statement << ConvertParams(StatementStr), Poco::Data::Keywords::use(WaitForFile),
+				Poco::Data::Keywords::use(Now), Poco::Data::Keywords::use(Size),
+				Poco::Data::Keywords::use(UUID);
+			Statement.execute();
+			Sess.commit();
+
 			return true;
 		} catch (const Poco::Exception &E) {
 			Logger().log(E);
@@ -689,7 +689,7 @@ namespace OpenWifi {
 	}
 
 	bool Storage::GetAttachedFileContent(std::string &UUID, const std::string &SerialNumber,
-										 std::string &FileContent, std::string &Type) {
+										 std::string &FileContent, std::string &Type, int &WaitingForFile) {
 		try {
 			Poco::Data::BLOB L;
 			/*
@@ -702,10 +702,10 @@ namespace OpenWifi {
 			Poco::Data::Statement Select1(Sess);
 
 			std::string TmpSerialNumber;
-			std::string st1{"SELECT SerialNumber, Command FROM CommandList WHERE UUID=?"};
+			std::string st1{"SELECT SerialNumber, Command , WaitingForFile FROM CommandList WHERE UUID=?"};
 			std::string Command;
 			Select1 << ConvertParams(st1), Poco::Data::Keywords::into(TmpSerialNumber),
-				Poco::Data::Keywords::into(Command), Poco::Data::Keywords::use(UUID);
+				Poco::Data::Keywords::into(Command), Poco::Data::Keywords::into(WaitingForFile), Poco::Data::Keywords::use(UUID);
 			Select1.execute();
 
 			if (TmpSerialNumber != SerialNumber) {