title Use Case: Archiving

participant Controller.cs #90EE90
participant RDSFactory #26abff
participant ArchiveManager #ffffe0
participant SqlDAO #D3D3D3
participant MariaDB #00FFFF

activate Controller.cs #90EE90
// Create a new factory 
Controller.cs->RDSFactory:factory = new RDSFactory()
activate RDSFactory #26abff
RDSFactory->RDSFactory:Constructor()
Controller.cs<--RDSFactory:return RDSFactory
deactivate RDSFactory
Controller.cs->SqlDAO: ++IDataSource factory.GetDataSource(string name, string connInfo)++
activate SqlDAO #D3D3D3
SqlDAO->SqlDAO:++Constructor(string connInfo)++
Controller.cs<--SqlDAO: ++return SqlDAO++


alt #red 
SqlDAO ->SqlDAO: Catch Exception
SqlDAO -->Controller.cs:return "DataSourceTimeOut"
end 
deactivate SqlDAO

// Create Archive Manager

activate ArchiveManager #ffffe0
group #lightblue Connection to DataSource successful
Controller.cs ->ArchiveManager:new ArchiveManager(IDataSource conn)
ArchiveManager ->ArchiveManager: ArchiveManager(IDatasSource conn)

// Calling the main:
ArchiveManager -->Controller.cs: return ArchiveManager
loop #lightblue while true
alt #lightgreen The First Day of the month at 00:00:00 AM
Controller.cs ->ArchiveManager: bool ArchiveManager.Controller( )

// Keep looping

// Check if the directory exist or not
alt #lightgreen Archive folder does not exist already in the current directory
ArchiveManager -> ArchiveManager:bool CreateArchiveFolder(string path)

end 
// Create the file name 
ArchiveManager ->ArchiveManager:string filePath = string CreateOutFileName( )
ArchiveManager ->SqlDAO:bool Compress(string filePath)

activate SqlDAO #D3D3D3
activate MariaDB #00FFFF
SqlDAO ->MariaDB: bool CopyToArchive(string filePath)
// Sql Command to add data to the table
MariaDB ->MariaDB: SELECT 'LtimeStamp', 'logID', 'LvName', 'catName', 'userOP', 'logMessage' \nUNION ALL\nSELECT * FROM log\nWHERE DATEDIFF(CURRENT_TIMESTAMP, log.LtimeStamp) > 30\nINTO OUTFILE @filePath\nFIELDS ENCLOSED BY ''\nTERMINATED BY ','\nESCAPED BY '"'\nLINES TERMINATED BY '\r\\n';
alt #lightgreen No error when doing executing copy SQL command
MariaDB --> SqlDAO: return True
SqlDAO -->ArchiveManager: return True
end 

alt #red Error occur when executing copy SQL command on Database
MariaDB -->SqlDAO: throw SQLException
deactivate MariaDB
SqlDAO -->ArchiveManager: throw SqlException
deactivate SqlDAO


ArchiveManager ->ArchiveManager: Catch Exception
// Removing created files if the process failed
alt #red Log output text file exist
ArchiveManager ->ArchiveManager: File.Delete(string filePath)
end
alt #red Compressed file exist
ArchiveManager ->ArchiveManager: File.Delete(string comFilePath)
end
end 

activate SqlDAO #D3D3D3
// Compress the file 
SqlDAO ->SqlDAO: bool CompressArchive(string filePath)
alt #lightgreen File Compression was successful
SqlDAO -->ArchiveManager: return True
end 
alt #red File Compresssion failed
SqlDAO -->ArchiveManager: throw FileException
ArchiveManager ->ArchiveManager: Catch Exception
alt #red Log output text file exist
ArchiveManager ->ArchiveManager: File.Delete(filePath)
end
alt #red Compressed file exist
ArchiveManager ->ArchiveManager: File.Delete(string comFilePath)
end
end
// Remove output file
SqlDAO ->SqlDAO:bool RemoveOutputFile(string filePath)
alt #lightgreen UncompressFile was removed successfully
SqlDAO -->ArchiveManager: return true
end 

alt #red Uncompressfile failed to be removed
SqlDAO -->ArchiveManager: throw FileException
deactivate SqlDAO
ArchiveManager ->ArchiveManager: catch Exception

alt #red Log output text file exist
ArchiveManager ->ArchiveManager: File.Delete(string filePath)
end
alt #red Compressed file exist
ArchiveManager ->ArchiveManager: File.Delete(string comFilePath)
end
end 

activate SqlDAO #D3D3D3
activate MariaDB #00FFFF
SqlDAO ->MariaDB: bool RemoveEntries( )
MariaDB ->MariaDB: DELETE from log \nWHERE \nDATEDIFF(CURRENT_TIMESTAMP, log.LtimeStamp) > 30;

alt #lightgreen No error when doing executing remove old logs SQL command
MariaDB-->SqlDAO:return True
SqlDAO -->ArchiveManager: return True
end

alt #red Error occur when executing removing SQL command on Database
MariaDB -->SqlDAO: throw SQLException
deactivate MariaDB
SqlDAO-->ArchiveManager: throw SQLException
deactivate SqlDAO
ArchiveManager ->ArchiveManager:Catch Exception
alt #red Log output text file exist
ArchiveManager ->ArchiveManager: File.Delete(string filePath)
end
alt #red Compressed file exist
ArchiveManager ->ArchiveManager: File.Delete(string comFilePath)
end
end 


ArchiveManager --> Controller.cs:return True
deactivate ArchiveManager
end

end 
end