1246 lines
61 KiB
VB.net
1246 lines
61 KiB
VB.net
Imports System.Collections.Generic
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Imports System.Data
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Imports System.IO
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Imports System.Linq
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Imports System.Security.Cryptography
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Imports DigitalData.Modules.Base
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Imports DigitalData.Modules.Database
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Imports DigitalData.Modules.Interfaces
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Imports DigitalData.Modules.Interfaces.Exceptions
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Imports DigitalData.Modules.Jobs.Exceptions
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Imports DigitalData.Modules.Logging
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Imports System.Data.SqlClient
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Public Class ImportZUGFeRDFiles
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Implements IJob
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Public Const ZUGFERD_IN = "ZUGFeRD in"
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Public Const ZUGFERD_ERROR = "ZUGFeRD Error"
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Public Const ZUGFERD_SUCCESS = "ZUGFeRD Success"
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Public Const ZUGFERD_EML = "ZUGFeRD Eml"
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Public Const ZUGFERD_REJECTED_EML = "ZUGFeRD Eml Rejected"
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Public Const ZUGFERD_ATTACHMENTS = "ZUGFeRD Attachments"
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Public Const ZUGFERD_NO_ZUGFERD = "Non-ZUGFeRD Files"
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Public HISTORY_ID As Integer
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Private Const DIRECTORY_DONT_MOVE = "DIRECTORY_DONT_MOVE"
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' List of allowed extensions for PDF/A Attachments
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' This list should not contain xml so the zugferd xml file will be filtered out
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Private ReadOnly AllowedExtensions As New List(Of String) From {"docx", "doc", "pdf", "xls", "xlsx", "ppt", "pptx", "txt"}
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Private ReadOnly _logger As Logger
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Private ReadOnly _logConfig As LogConfig
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Private ReadOnly _filesystem As FilesystemEx
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Private ReadOnly _mssql As MSSQLServer
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Private ReadOnly _email As ZUGFeRD.EmailFunctions
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Private ReadOnly _file As ZUGFeRD.FileFunctions
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Private ReadOnly _history As ZUGFeRD.HistoryFunctions
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Private ReadOnly _embeds As PDFEmbeds
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Private ReadOnly _gdpictureLicenseKey As String
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Private _zugferd As ZUGFeRDInterface
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Private _EmailOutAccountId As Integer
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Private Class ProcessFileResult
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Public ZugferdFileCount As Integer
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Public MD5Hash As String = Nothing
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End Class
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Private Class DatabaseConnections
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Public Property SQLServerConnection As SqlConnection
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Public Property SQLServerTransaction As SqlTransaction
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End Class
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Public Sub New(LogConfig As LogConfig, Optional MSSQL As MSSQLServer = Nothing)
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_logConfig = LogConfig
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_logger = LogConfig.GetLogger()
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_filesystem = New FilesystemEx(_logConfig)
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_mssql = MSSQL
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_email = New ZUGFeRD.EmailFunctions(LogConfig, _mssql)
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_file = New ZUGFeRD.FileFunctions(LogConfig, _mssql)
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_history = New ZUGFeRD.HistoryFunctions(LogConfig, _mssql)
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_embeds = New PDFEmbeds(LogConfig)
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_logger.Debug("Registering GDPicture License")
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If _mssql IsNot Nothing Then
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Dim oSQL = "SELECT LICENSE FROM TBDD_3RD_PARTY_MODULES WHERE NAME = 'GDPICTURE'"
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_gdpictureLicenseKey = _mssql.GetScalarValue(oSQL)
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Else
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_logger.Warn("GDPicture License could not be registered! MSSQL is not enabled!")
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Throw New ArgumentNullException("MSSQL")
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End If
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End Sub
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Public Sub Start(Arguments As Object) Implements IJob.Start
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Dim oArgs As WorkerArgs = Arguments
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Dim oPropertyExtractor = New PropertyValues(_logConfig)
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Dim oAttachmentExtractor = New PDFEmbeds(_logConfig)
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_EmailOutAccountId = oArgs.EmailOutProfileId
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_zugferd = New ZUGFeRDInterface(_logConfig, _gdpictureLicenseKey, New ZUGFeRDInterface.ZugferdOptions() With {
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.AllowFacturX_Filename = oArgs.AllowFacturX,
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.AllowXRechnung_Filename = oArgs.AllowXRechnung
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})
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_logger.Debug("Starting Job {0}", [GetType].Name)
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Try
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'For Each oPath As String In oArgs.WatchDirectory
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Dim oPath As String = oArgs.WatchDirectory
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Dim oDirInfo As New DirectoryInfo(oPath)
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_logger.Debug($"Start processing directory {oDirInfo.FullName}")
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If oDirInfo.Exists = False Then
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_logger.Warn("Watch directory exists. Exiting.")
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Exit Sub
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End If
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' Filter out *.lock files
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Dim oFiles As List(Of FileInfo) = oDirInfo.
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GetFiles().
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Where(Function(f) Not f.Name.EndsWith(".lock")).
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ToList()
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If oFiles.Count = 0 Then
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_logger.Debug("No files to process. Exiting.")
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Exit Sub
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End If
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_logger.Info("Found {0} files", oFiles.Count)
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' Group files by messageId
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Dim oGrouped As Dictionary(Of String, List(Of FileInfo)) = _zugferd.FileGroup.GroupFiles(oFiles)
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_logger.Info("Found {0} file groups", oGrouped.Count)
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' Process each file group together
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For Each oFileGroup In oGrouped
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' Start a new transaction for each file group.
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' This way we can rollback database changes for the whole filegroup in case something goes wrong.
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Dim oSQLConnection As SqlConnection = _mssql.GetConnection()
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Dim oSQLTransaction As SqlTransaction = oSQLConnection?.BeginTransaction()
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Dim oConnections As New DatabaseConnections() With {
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.SQLServerConnection = oSQLConnection,
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.SQLServerTransaction = oSQLTransaction
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}
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' Count the amount of ZUGFeRD files
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Dim oZUGFeRDCount As Integer = 0
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' Set the default Move Directory
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Dim oMoveDirectory As String = oArgs.ErrorDirectory
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' Flag to save if the whole process was a success.
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' Will be set only at the end of the function if no error occurred.
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Dim oIsSuccess As Boolean = False
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' Flag to save if the occurred error (if any) was expected
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' Used to determine if transactions should be committed or not
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Dim oExpectedError As Boolean = True
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' Create file lists
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Dim oFileGroupFiles As List(Of FileInfo) = oFileGroup.Value
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Dim oEmailAttachmentFiles As New List(Of FileInfo)
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Dim oEmbeddedAttachmentFiles As New List(Of PDFEmbeds.EmbeddedFile)
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Dim oMessageId As String = oFileGroup.Key
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Dim oMissingProperties As New List(Of String)
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Dim oMD5CheckSum As String = String.Empty
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_logger.Info("Start processing file group {0}", oMessageId)
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' TODO: Use this refactored function
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' ProcessFileGroup(oMessageId, oFileGroupFiles, oConnections, oArgs)
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Try
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For Each oFile In oFileGroupFiles
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' 09.12.2021: oDocument is now an Object, because have different classes corresponding to the
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' different versions of ZUGFeRD and the type is unknown at compile-time.
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' 17.11.2022: oDocument is now a Tuple of (String, Object), to be able to return the filename
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' of the extracted xml file.
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' 21.12.2022: oDocument is now an object of type ZugferdResult to be able to save
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' the new meta data, ie. the type of schema (zugferd version)
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Dim oDocument As ZUGFeRDInterface.ZugferdResult
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' Start a global group counter for each file
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Dim oGlobalGroupCounter = 0
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' Clear missing properties for the new file
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oMissingProperties = New List(Of String)
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' Only pdf files are allowed from here on
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If Not oFile.Name.ToUpper.EndsWith(".PDF") Then
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_logger.Debug("Skipping non-pdf file {0}", oFile.Name)
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oEmailAttachmentFiles.Add(oFile)
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' Checking filesize for attachment files
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If _filesystem.TestFileSizeIsLessThanMaxFileSize(oFile.FullName, oArgs.MaxAttachmentSizeInMegaBytes) = False Then
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_logger.Warn("Filesize for File [{0}] exceeded limit of {1} MB", oFile.Name, oArgs.MaxAttachmentSizeInMegaBytes)
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Throw New FileSizeLimitReachedException(oFile.Name, oArgs.MaxAttachmentSizeInMegaBytes)
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End If
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Continue For
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End If
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_logger.Info("Start processing file {0}", oFile.Name)
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' Checking filesize for pdf files
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If _filesystem.TestFileSizeIsLessThanMaxFileSize(oFile.FullName, oArgs.MaxAttachmentSizeInMegaBytes) = False Then
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_logger.Warn("Filesize for File [{0}] exceeded limit of {1} MB", oFile.Name, oArgs.MaxAttachmentSizeInMegaBytes)
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Throw New FileSizeLimitReachedException(oFile.Name, oArgs.MaxAttachmentSizeInMegaBytes)
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End If
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Try
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oDocument = _zugferd.ExtractZUGFeRDFileWithGDPicture(oFile.FullName)
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Catch ex As ValidationException
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Throw ex
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Catch ex As ZUGFeRDExecption
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Select Case ex.ErrorType
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Case ZUGFeRDInterface.ErrorType.NoZugferd
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_logger.Info("File [{0}] is not a valid ZUGFeRD document. Skipping.", oFile.Name)
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oEmailAttachmentFiles.Add(oFile)
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Continue For
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Case ZUGFeRDInterface.ErrorType.UnsupportedFormat
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_logger.Info("File [{0}/{1}] is an unsupported ZUFeRD document format!", oFile.Name, ex.XmlFile)
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Throw New UnsupportedFerdException(ex.XmlFile)
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Case ZUGFeRDInterface.ErrorType.NoValidZugferd
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_logger.Info("File [{0}] is an Incorrectly formatted ZUGFeRD document!", oFile.Name)
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Throw New InvalidFerdException()
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Case Else
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_logger.Warn("Unexpected Error occurred while extracting ZUGFeRD Information from file {0}", oFile.Name)
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Throw ex
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End Select
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End Try
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' Check if there are more than one ZUGFeRD files
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If oZUGFeRDCount = 1 Then
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Throw New TooMuchFerdsException()
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End If
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' Since extraction went well, increase the amount of ZUGFeRD files
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oZUGFeRDCount += 1
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' Extract all attachments with the extensions specified in `AllowedExtensions`.
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' If you need to extract and use embedded xml files, you need to filter out the zugferd-invoice.xml yourself.
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' Right now the zugferd-invoice.xml is filtered out because `AllowedExtensions` does not contain `xml`.
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Dim oAttachments = oAttachmentExtractor.Extract(oFile.FullName, AllowedExtensions)
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If oAttachments Is Nothing Then
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_logger.Warn("Attachments for file [{0}] could not be extracted", oFile.FullName)
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Else
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oEmbeddedAttachmentFiles.AddRange(oAttachments)
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End If
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' Check the Checksum and rejection status
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oMD5CheckSum = GenerateAndCheck_MD5Sum(oFile, oMessageId, oArgs.IgnoreRejectionStatus)
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' Check the document against the configured property map and return:
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' - a List of valid properties
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' - a List of missing properties
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Dim oPropertyMap = _zugferd.FilterPropertyMap(oArgs.PropertyMap, oDocument.Specification)
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Dim oCheckResult = _zugferd.PropertyValues.CheckPropertyValues(oDocument.SchemaObject, oPropertyMap, oMessageId)
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_logger.Info("Properties checked: [{0}] missing properties / [{1}] valid properties found.", oCheckResult.MissingProperties.Count, oCheckResult.ValidProperties.Count)
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If oCheckResult.MissingProperties.Count > 0 Then
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_logger.Warn("[{0}] missing properties found. Exiting.", oCheckResult.MissingProperties.Count)
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oMissingProperties = oCheckResult.MissingProperties
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Throw New MissingValueException(oFile)
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Else
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_logger.Debug("No missing properties found. Continuing.")
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End If
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DeleteExistingPropertyValues(oMessageId, oConnections)
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Dim oFirstProperty = oCheckResult.ValidProperties.FirstOrDefault()
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If oFirstProperty IsNot Nothing Then
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InsertPropertyValue(oMessageId, oConnections, New PropertyValues.ValidProperty() With {
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.MessageId = oMessageId,
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.Description = "ZUGFeRDSpezifikation",
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.GroupCounter = 0,
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.IsRequired = False,
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.Value = oDocument.Specification,
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.TableName = oFirstProperty.TableName,
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.TableColumn = "ZUGFERD_SPECIFICATION"
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})
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End If
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For Each oProperty In oCheckResult.ValidProperties
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InsertPropertyValue(oMessageId, oConnections, oProperty)
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Next
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Next
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'Check if there are no ZUGFeRD files
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If oZUGFeRDCount = 0 Then
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' If NonZugferdDirectory is not set, a NoFerdsException will be thrown and a rejection will be generated
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' This is the default/initial behaviour.
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If oArgs.NonZugferdDirectory Is Nothing OrElse oArgs.NonZugferdDirectory = String.Empty Then
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Throw New NoFerdsException()
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End If
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' Also, if the directory is set but does not exist, still a rejection will be generated.
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If Not IO.Directory.Exists(oArgs.NonZugferdDirectory) Then
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Throw New NoFerdsException()
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End If
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' Only if the directory is set and does exist, it will be used and any file groups which
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' do NOT CONTAIN ANY ZUGFERD DOCUMENTS, are moved to that directory.
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Throw New NoFerdsAlternateException()
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End If
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'If no errors occurred...
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'Log the History
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If oMD5CheckSum <> String.Empty Then
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_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, "SUCCESS")
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Else
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_history.Update_HistoryEntry(oMessageId, String.Empty, "SUCCESS (with empty MD5Hash)")
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End If
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oIsSuccess = True
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oMoveDirectory = oArgs.SuccessDirectory
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Catch ex As ValidationException
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_logger.Error(ex)
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Dim oErrors = ex.ValidationErrors
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Dim oMessage = "REJECTED - ZUGFeRD yes but formal validation failed!"
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_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, oMessage)
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Dim oErrorList As String = ""
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For Each oError In oErrors
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oErrorList += $"<li>Element '{oError.ElementName}' mit Wert '{oError.ElementValue}': {oError.ErrorMessage}</li>"
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Next
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Dim oBody = String.Format(EmailStrings.EMAIL_VALIDATION_ERROR, oErrorList)
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Dim oEmailData = MoveAndRenameEmailToRejected(oArgs, oMessageId)
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_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "ValidationException", _EmailOutAccountId, oArgs.NamePortal)
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AddRejectedState(oMessageId, "ValidationException", "Die Rechnungsvalidierung ist fehlgeschlagen!", "", oSQLTransaction)
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Catch ex As MD5HashException
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_logger.Error(ex)
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' When MD5HashException is thrown, we don't have a MD5Hash yet.
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' That 's why we set it to String.Empty here.
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Dim oMessage = "REJECTED - Already processed (MD5Hash)"
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_history.Update_HistoryEntry(oMessageId, String.Empty, oMessage)
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Dim oBody = String.Format(EmailStrings.EMAIL_MD5_ERROR, ex.FileName)
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Dim oEmailData = MoveAndRenameEmailToRejected(oArgs, oMessageId)
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_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "MD5HashException", _EmailOutAccountId, oArgs.NamePortal)
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AddRejectedState(oMessageId, "MD5HashException", "Die gesendete Rechnung wurde bereits verarbeitet!", "", oSQLTransaction)
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Catch ex As UnsupportedFerdException
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_logger.Error(ex)
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' When UnsupportedFerdException is thrown, we don't have a MD5Hash yet.
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' That 's why we set it to String.Empty here.
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_history.Update_HistoryEntry(oMessageId, String.Empty, "REJECTED - ZUGFeRD yes but unsupported format")
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Dim oEmailData = MoveAndRenameEmailToRejected(oArgs, oMessageId)
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Dim oBody As String = String.Format(EmailStrings.EMAIL_UNSUPPORTED_DOCUMENT, oEmailData.Subject, ex.XmlFile)
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_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "UnsupportedFerdException", _EmailOutAccountId, oArgs.NamePortal)
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AddRejectedState(oMessageId, "UnsupportedFerdException", "Nicht unterstütztes Datenformat", "", oSQLTransaction)
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Catch ex As InvalidFerdException
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_logger.Error(ex)
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' When InvalidFerdException is thrown, we don't have a MD5Hash yet.
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' That 's why we set it to String.Empty here.
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_history.Update_HistoryEntry(oMessageId, String.Empty, "REJECTED - ZUGFeRD yes but incorrect format")
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Dim oEmailData = MoveAndRenameEmailToRejected(oArgs, oMessageId)
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Dim oBody = String.Format(EmailStrings.EMAIL_INVALID_DOCUMENT, oEmailData.Subject)
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_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "InvalidFerdException", _EmailOutAccountId, oArgs.NamePortal)
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AddRejectedState(oMessageId, "InvalidFerdException", "Inkorrekte Formate", "", oSQLTransaction)
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Catch ex As TooMuchFerdsException
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_logger.Error(ex)
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_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, "REJECTED - More than one ZUGFeRD-document in email")
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Dim oEmailData = MoveAndRenameEmailToRejected(oArgs, oMessageId)
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Dim oBody = String.Format(EmailStrings.EMAIL_TOO_MUCH_FERDS, oEmailData.Subject)
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_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "TooMuchFerdsException", _EmailOutAccountId, oArgs.NamePortal)
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AddRejectedState(oMessageId, "TooMuchFerdsException", "Email enthielt mehr als ein ZUGFeRD-Dokument", "", oSQLTransaction)
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Catch ex As NoFerdsException
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_logger.Error(ex)
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_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, "REJECTED - no ZUGFeRD-Document in email")
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Dim oEmailData = MoveAndRenameEmailToRejected(oArgs, oMessageId)
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Dim oBody = String.Format(EmailStrings.EMAIL_NO_FERDS, oEmailData.Subject)
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_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "NoFerdsException", _EmailOutAccountId, oArgs.NamePortal)
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AddRejectedState(oMessageId, "NoFerdsException", " Email enthielt keine ZUGFeRD-Dokumente", "", oSQLTransaction)
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Catch ex As MissingValueException
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_logger.Error(ex)
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Dim oMessage As String = ""
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For Each prop In oMissingProperties
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oMessage &= $"- {prop}"
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Next
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_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, $"REJECTED - Missing Required Properties: [{oMessage}]")
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Dim oBody = _email.CreateBodyForMissingProperties(ex.File.Name, oMissingProperties)
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Dim oEmailData = MoveAndRenameEmailToRejected(oArgs, oMessageId)
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_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "MissingValueException", _EmailOutAccountId, oArgs.NamePortal)
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AddRejectedState(oMessageId, "MissingValueException", "Es fehlten ZugferdSpezifikationen", oMessage, oSQLTransaction)
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Catch ex As FileSizeLimitReachedException
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_logger.Error(ex)
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_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, "REJECTED - File size limit reached")
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Dim oEmailData = MoveAndRenameEmailToRejected(oArgs, oMessageId)
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Dim oKey = FileSizeLimitReachedException.KEY_FILENAME
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Dim oFileExceedingThreshold As String = IIf(ex.Data.Contains(oKey), ex.Data.Item(oKey), "")
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Dim oFileWithoutMessageId = oFileExceedingThreshold.
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Replace(oMessageId, "").
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Replace("~", "")
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Dim oBody = String.Format(EmailStrings.EMAIL_FILE_SIZE_REACHED, oArgs.MaxAttachmentSizeInMegaBytes, oFileWithoutMessageId)
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_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "FileSizeLimitReachedException", _EmailOutAccountId, oArgs.NamePortal)
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AddRejectedState(oMessageId, "FileSizeLimitReachedException", "Erlaubte Dateigröße überschritten", "", oSQLTransaction)
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Catch ex As NoFerdsAlternateException
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' TODO: Maybe dont even log this 'error', since it's not really an error and it might happen *A LOT*
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_logger.Error(ex)
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oMoveDirectory = oArgs.NonZugferdDirectory
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Catch ex As OutOfMemoryException
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_logger.Warn("OutOfMemory Error occurred: {0}", ex.Message)
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_logger.Error(ex)
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' Send Email to Digital Data
|
|
Dim oBody = _email.CreateBodyForUnhandledException(oMessageId, ex)
|
|
Dim oEmailData As New EmailData With {
|
|
.From = oArgs.ExceptionEmailAddress,
|
|
.Subject = $"OutOfMemoryException im ZUGFeRD-Parser @ {oMessageId}"
|
|
}
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "OutOfMemoryException", _EmailOutAccountId, oArgs.NamePortal)
|
|
|
|
' Rollback Transaction
|
|
oSQLTransaction.Rollback()
|
|
|
|
oMoveDirectory = DIRECTORY_DONT_MOVE
|
|
|
|
oExpectedError = False
|
|
|
|
Catch ex As Exception
|
|
_logger.Warn("Unknown Error occurred: {0}", ex.Message)
|
|
_logger.Error(ex)
|
|
|
|
' Send Email to Digital Data
|
|
Dim oBody = _email.CreateBodyForUnhandledException(oMessageId, ex)
|
|
Dim oEmailData As New EmailData With {
|
|
.From = oArgs.ExceptionEmailAddress,
|
|
.Subject = $"UnhandledException im ZUGFeRD-Parser @ {oMessageId}"
|
|
}
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "UnhandledException", _EmailOutAccountId, oArgs.NamePortal)
|
|
|
|
' Rollback Transaction
|
|
oSQLTransaction.Rollback()
|
|
|
|
oMoveDirectory = DIRECTORY_DONT_MOVE
|
|
|
|
oExpectedError = False
|
|
|
|
Finally
|
|
Try
|
|
' If an application error occurred, dont move files so they will be processed again later
|
|
If oMoveDirectory = DIRECTORY_DONT_MOVE Then
|
|
_logger.Info("Application Error occurred. Files for message Id {0} will not be moved.", oMessageId)
|
|
Else
|
|
' Move all files of the current group
|
|
_file.MoveFiles(oArgs, oMessageId, oFileGroupFiles, oEmailAttachmentFiles, oEmbeddedAttachmentFiles, oMoveDirectory, oIsSuccess)
|
|
End If
|
|
_logger.Info("Finished processing file group {0}", oMessageId)
|
|
Catch ex As Exception
|
|
' Send Email to Digital Data
|
|
Dim oBody = _email.CreateBodyForUnhandledException(oMessageId, ex)
|
|
Dim oEmailData As New EmailData With {
|
|
.From = oArgs.ExceptionEmailAddress,
|
|
.Subject = $"FileMoveException im ZUGFeRD-Parser @ {oMessageId}"
|
|
}
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "FileMoveException", _EmailOutAccountId, oArgs.NamePortal)
|
|
|
|
_logger.Warn("Could not move files!")
|
|
_logger.Error(ex)
|
|
Throw ex
|
|
End Try
|
|
|
|
Try
|
|
' If everything went OK or an expected error occurred,
|
|
' finally commit all changes To the Database
|
|
' ==================================================================
|
|
If oIsSuccess Or oExpectedError Then
|
|
' Commit Transaction
|
|
oSQLTransaction.Commit()
|
|
End If
|
|
Catch ex As Exception
|
|
_logger.Error(ex)
|
|
_logger.Warn("Database Transactions were not committed successfully.")
|
|
End Try
|
|
|
|
Try
|
|
oSQLConnection.Close()
|
|
Catch ex As Exception
|
|
_logger.Error(ex)
|
|
_logger.Warn("Database Connections were not closed successfully.")
|
|
End Try
|
|
End Try
|
|
|
|
Next
|
|
|
|
_logger.Debug("Finishing Job {0}", Me.GetType.Name)
|
|
Catch ex As Exception
|
|
_logger.Error(ex)
|
|
_logger.Info("Job Failed! See error log for details")
|
|
End Try
|
|
End Sub
|
|
|
|
#Region "=== REFACTOR"
|
|
Private Function ProcessFileGroup(oMessageId As String, pFiles As List(Of FileInfo), oConnections As DatabaseConnections, pArgs As WorkerArgs)
|
|
Dim oMissingProperties = New List(Of String)
|
|
Dim oEmailAttachmentFiles = New List(Of FileInfo)
|
|
Dim oEmbeddedAttachmentFiles = New List(Of PDFEmbeds.EmbeddedFile)
|
|
Dim oZUGFeRDCount = 0
|
|
Dim oMD5CheckSum As String = Nothing
|
|
|
|
' Set the default Move Directory
|
|
Dim oMoveDirectory As String = pArgs.ErrorDirectory
|
|
|
|
' Flag to save if the whole process was a success.
|
|
' Will be set only at the end of the function if no error occurred.
|
|
Dim oIsSuccess As Boolean = False
|
|
|
|
' Flag to save if the occurred error (if any) was expected
|
|
' Used to determine if transactions should be committed or not
|
|
Dim oExpectedError As Boolean = True
|
|
|
|
Try
|
|
For Each oFile In pFiles
|
|
' 09.12.2021: oDocument is now an Object, because have different classes corresponding to the
|
|
' different versions of ZUGFeRD and the type is unknown at compile-time.
|
|
' 17.11.2022: oDocument is now a Tuple of (String, Object), to be able to return the filename
|
|
' of the extracted xml file.
|
|
' 21.12.2022: oDocument is now an object of type ZugferdResult to be able to save
|
|
' the new meta data, ie. the type of schema (zugferd version)
|
|
Dim oDocument As ZUGFeRDInterface.ZugferdResult
|
|
|
|
' Start a global group counter for each file
|
|
Dim oGlobalGroupCounter = 0
|
|
' Clear missing properties for the new file
|
|
oMissingProperties = New List(Of String)
|
|
|
|
' Only pdf files are allowed from here on
|
|
If Not oFile.Name.ToUpper.EndsWith(".PDF") Then
|
|
_logger.Debug("Skipping non-pdf file {0}", oFile.Name)
|
|
oEmailAttachmentFiles.Add(oFile)
|
|
|
|
' Checking filesize for attachment files
|
|
If _filesystem.TestFileSizeIsLessThanMaxFileSize(oFile.FullName, pArgs.MaxAttachmentSizeInMegaBytes) = False Then
|
|
_logger.Warn("Filesize for File [{0}] exceeded limit of {1} MB", oFile.Name, pArgs.MaxAttachmentSizeInMegaBytes)
|
|
Throw New FileSizeLimitReachedException(oFile.Name, pArgs.MaxAttachmentSizeInMegaBytes)
|
|
End If
|
|
|
|
Continue For
|
|
End If
|
|
|
|
_logger.Info("Start processing file {0}", oFile.Name)
|
|
|
|
' Checking filesize for pdf files
|
|
If _filesystem.TestFileSizeIsLessThanMaxFileSize(oFile.FullName, pArgs.MaxAttachmentSizeInMegaBytes) = False Then
|
|
_logger.Warn("Filesize for File [{0}] exceeded limit of {1} MB", oFile.Name, pArgs.MaxAttachmentSizeInMegaBytes)
|
|
Throw New FileSizeLimitReachedException(oFile.Name, pArgs.MaxAttachmentSizeInMegaBytes)
|
|
End If
|
|
|
|
Try
|
|
oDocument = _zugferd.ExtractZUGFeRDFileWithGDPicture(oFile.FullName)
|
|
|
|
Catch ex As ValidationException
|
|
Throw ex
|
|
|
|
Catch ex As ZUGFeRDExecption
|
|
Select Case ex.ErrorType
|
|
Case ZUGFeRDInterface.ErrorType.NoZugferd
|
|
_logger.Info("File [{0}] is not a valid ZUGFeRD document. Skipping.", oFile.Name)
|
|
oEmailAttachmentFiles.Add(oFile)
|
|
Continue For
|
|
|
|
Case ZUGFeRDInterface.ErrorType.UnsupportedFormat
|
|
_logger.Info("File [{0}/{1}] is an unsupported ZUFeRD document format!", oFile.Name, ex.XmlFile)
|
|
Throw New UnsupportedFerdException(ex.XmlFile)
|
|
|
|
Case ZUGFeRDInterface.ErrorType.NoValidZugferd
|
|
_logger.Info("File [{0}] is an Incorrectly formatted ZUGFeRD document!", oFile.Name)
|
|
Throw New InvalidFerdException()
|
|
|
|
Case Else
|
|
_logger.Warn("Unexpected Error occurred while extracting ZUGFeRD Information from file {0}", oFile.Name)
|
|
Throw ex
|
|
End Select
|
|
End Try
|
|
|
|
' Check if there are more than one ZUGFeRD files
|
|
If oZUGFeRDCount = 1 Then
|
|
Throw New TooMuchFerdsException()
|
|
End If
|
|
|
|
' Since extraction went well, increase the amount of ZUGFeRD files
|
|
oZUGFeRDCount += 1
|
|
|
|
' Extract all attachments with the extensions specified in `AllowedExtensions`.
|
|
' If you need to extract and use embedded xml files, you need to filter out the zugferd-invoice.xml yourself.
|
|
' Right now the zugferd-invoice.xml is filtered out because `AllowedExtensions` does not contain `xml`.
|
|
Dim oAttachments = _embeds.Extract(oFile.FullName, AllowedExtensions)
|
|
If oAttachments Is Nothing Then
|
|
_logger.Warn("Attachments for file [{0}] could not be extracted", oFile.FullName)
|
|
Else
|
|
oEmbeddedAttachmentFiles.AddRange(oAttachments)
|
|
End If
|
|
|
|
' Check the Checksum and rejection status
|
|
oMD5CheckSum = GenerateAndCheck_MD5Sum(oFile, oMessageId, pArgs.IgnoreRejectionStatus)
|
|
|
|
' Check the document against the configured property map and return:
|
|
' - a List of valid properties
|
|
' - a List of missing properties
|
|
|
|
Dim oPropertyMap = _zugferd.FilterPropertyMap(pArgs.PropertyMap, oDocument.Specification)
|
|
Dim oCheckResult = _zugferd.PropertyValues.CheckPropertyValues(oDocument.SchemaObject, oPropertyMap, oMessageId)
|
|
|
|
_logger.Info("Properties checked: [{0}] missing properties / [{1}] valid properties found.", oCheckResult.MissingProperties.Count, oCheckResult.ValidProperties.Count)
|
|
|
|
If oCheckResult.MissingProperties.Count > 0 Then
|
|
_logger.Warn("[{0}] missing properties found. Exiting.", oCheckResult.MissingProperties.Count)
|
|
oMissingProperties = oCheckResult.MissingProperties
|
|
Throw New MissingValueException(oFile)
|
|
Else
|
|
_logger.Debug("No missing properties found. Continuing.")
|
|
|
|
End If
|
|
|
|
DeleteExistingPropertyValues(oMessageId, oConnections)
|
|
|
|
Dim oFirstProperty = oCheckResult.ValidProperties.FirstOrDefault()
|
|
If oFirstProperty IsNot Nothing Then
|
|
InsertPropertyValue(oMessageId, oConnections, New PropertyValues.ValidProperty() With {
|
|
.MessageId = oMessageId,
|
|
.Description = "ZUGFeRDSpezifikation",
|
|
.GroupCounter = 0,
|
|
.IsRequired = False,
|
|
.Value = oDocument.Specification,
|
|
.TableName = oFirstProperty.TableName,
|
|
.TableColumn = "ZUGFERD_SPECIFICATION"
|
|
})
|
|
End If
|
|
|
|
For Each oProperty In oCheckResult.ValidProperties
|
|
InsertPropertyValue(oMessageId, oConnections, oProperty)
|
|
Next
|
|
Next
|
|
|
|
'Check if there are no ZUGFeRD files
|
|
If oZUGFeRDCount = 0 Then
|
|
|
|
' If NonZugferdDirectory is not set, a NoFerdsException will be thrown and a rejection will be generated
|
|
' This is the default/initial behaviour.
|
|
If pArgs.NonZugferdDirectory Is Nothing OrElse pArgs.NonZugferdDirectory = String.Empty Then
|
|
Throw New NoFerdsException()
|
|
End If
|
|
|
|
' Also, if the directory is set but does not exist, still a rejection will be generated.
|
|
If Not IO.Directory.Exists(pArgs.NonZugferdDirectory) Then
|
|
Throw New NoFerdsException()
|
|
End If
|
|
|
|
' Only if the directory is set and does exist, it will be used and any file groups which
|
|
' do NOT CONTAIN ANY ZUGFERD DOCUMENTS, are moved to that directory.
|
|
Throw New NoFerdsAlternateException()
|
|
|
|
End If
|
|
|
|
'If no errors occurred...
|
|
'Log the History
|
|
If oMD5CheckSum <> String.Empty Then
|
|
_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, "SUCCESS")
|
|
Else
|
|
_history.Update_HistoryEntry(oMessageId, String.Empty, "SUCCESS (with empty MD5Hash)")
|
|
End If
|
|
|
|
oIsSuccess = True
|
|
oMoveDirectory = pArgs.SuccessDirectory
|
|
|
|
Catch ex As ValidationException
|
|
_logger.Error(ex)
|
|
|
|
Dim oErrors = ex.ValidationErrors
|
|
Dim oMessage = "REJECTED - ZUGFeRD yes but formal validation failed!"
|
|
_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, oMessage)
|
|
|
|
Dim oErrorList As String = ""
|
|
For Each oError In oErrors
|
|
oErrorList += $"<li>Element '{oError.ElementName}' mit Wert '{oError.ElementValue}': {oError.ErrorMessage}</li>"
|
|
Next
|
|
|
|
Dim oBody = String.Format(EmailStrings.EMAIL_VALIDATION_ERROR, oErrorList)
|
|
Dim oEmailData = MoveAndRenameEmailToRejected(pArgs, oMessageId)
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "ValidationException", _EmailOutAccountId, pArgs.NamePortal)
|
|
AddRejectedState(oMessageId, "ValidationException", "Die Rechnungsvalidierung ist fehlgeschlagen!", "", oConnections.SQLServerTransaction)
|
|
|
|
Catch ex As MD5HashException
|
|
_logger.Error(ex)
|
|
|
|
' When MD5HashException is thrown, we don't have a MD5Hash yet.
|
|
' That 's why we set it to String.Empty here.
|
|
Dim oMessage = "REJECTED - Already processed (MD5Hash)"
|
|
_history.Update_HistoryEntry(oMessageId, String.Empty, oMessage)
|
|
|
|
Dim oBody = EmailStrings.EMAIL_MD5_ERROR
|
|
Dim oEmailData = MoveAndRenameEmailToRejected(pArgs, oMessageId)
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "MD5HashException", _EmailOutAccountId, pArgs.NamePortal)
|
|
AddRejectedState(oMessageId, "MD5HashException", "Die gesendete Rechnung wurde bereits verarbeitet!", "", oConnections.SQLServerTransaction)
|
|
|
|
Catch ex As UnsupportedFerdException
|
|
_logger.Error(ex)
|
|
|
|
' When UnsupportedFerdException is thrown, we don't have a MD5Hash yet.
|
|
' That 's why we set it to String.Empty here.
|
|
_history.Update_HistoryEntry(oMessageId, String.Empty, "REJECTED - ZUGFeRD yes but unsupported format")
|
|
|
|
Dim oEmailData = MoveAndRenameEmailToRejected(pArgs, oMessageId)
|
|
Dim oBody As String = String.Format(EmailStrings.EMAIL_UNSUPPORTED_DOCUMENT, oEmailData.Subject, ex.XmlFile)
|
|
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "UnsupportedFerdException", _EmailOutAccountId, pArgs.NamePortal)
|
|
AddRejectedState(oMessageId, "UnsupportedFerdException", "Nicht unterstütztes Datenformat", "", oConnections.SQLServerTransaction)
|
|
|
|
Catch ex As InvalidFerdException
|
|
_logger.Error(ex)
|
|
|
|
' When InvalidFerdException is thrown, we don't have a MD5Hash yet.
|
|
' That 's why we set it to String.Empty here.
|
|
_history.Update_HistoryEntry(oMessageId, String.Empty, "REJECTED - ZUGFeRD yes but incorrect format")
|
|
|
|
Dim oEmailData = MoveAndRenameEmailToRejected(pArgs, oMessageId)
|
|
Dim oBody = String.Format(EmailStrings.EMAIL_INVALID_DOCUMENT, oEmailData.Subject)
|
|
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "InvalidFerdException", _EmailOutAccountId, pArgs.NamePortal)
|
|
AddRejectedState(oMessageId, "InvalidFerdException", "Inkorrekte Formate", "", oConnections.SQLServerTransaction)
|
|
|
|
Catch ex As TooMuchFerdsException
|
|
_logger.Error(ex)
|
|
|
|
_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, "REJECTED - More than one ZUGFeRD-document in email")
|
|
|
|
Dim oEmailData = MoveAndRenameEmailToRejected(pArgs, oMessageId)
|
|
Dim oBody = String.Format(EmailStrings.EMAIL_TOO_MUCH_FERDS, oEmailData.Subject)
|
|
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "TooMuchFerdsException", _EmailOutAccountId, pArgs.NamePortal)
|
|
AddRejectedState(oMessageId, "TooMuchFerdsException", "Email enthielt mehr als ein ZUGFeRD-Dokument", "", oConnections.SQLServerTransaction)
|
|
|
|
Catch ex As NoFerdsException
|
|
_logger.Error(ex)
|
|
|
|
_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, "REJECTED - no ZUGFeRD-Document in email")
|
|
|
|
Dim oEmailData = MoveAndRenameEmailToRejected(pArgs, oMessageId)
|
|
Dim oBody = String.Format(EmailStrings.EMAIL_NO_FERDS, oEmailData.Subject)
|
|
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "NoFerdsException", _EmailOutAccountId, pArgs.NamePortal)
|
|
AddRejectedState(oMessageId, "NoFerdsException", " Email enthielt keine ZUGFeRD-Dokumente", "", oConnections.SQLServerTransaction)
|
|
|
|
Catch ex As MissingValueException
|
|
_logger.Error(ex)
|
|
|
|
Dim oMessage As String = ""
|
|
For Each prop In oMissingProperties
|
|
oMessage &= $"- {prop}"
|
|
Next
|
|
|
|
_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, $"REJECTED - Missing Required Properties: [{oMessage}]")
|
|
|
|
Dim oBody = _email.CreateBodyForMissingProperties(ex.File.Name, oMissingProperties)
|
|
Dim oEmailData = MoveAndRenameEmailToRejected(pArgs, oMessageId)
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "MissingValueException", _EmailOutAccountId, pArgs.NamePortal)
|
|
AddRejectedState(oMessageId, "MissingValueException", "Es fehlten ZugferdSpezifikationen", oMessage, oConnections.SQLServerTransaction)
|
|
|
|
Catch ex As FileSizeLimitReachedException
|
|
_logger.Error(ex)
|
|
|
|
_history.Update_HistoryEntry(oMessageId, oMD5CheckSum, "REJECTED - File size limit reached")
|
|
|
|
Dim oEmailData = MoveAndRenameEmailToRejected(pArgs, oMessageId)
|
|
|
|
Dim oKey = FileSizeLimitReachedException.KEY_FILENAME
|
|
Dim oFileExceedingThreshold As String = IIf(ex.Data.Contains(oKey), ex.Data.Item(oKey), "")
|
|
Dim oFileWithoutMessageId = oFileExceedingThreshold.
|
|
Replace(oMessageId, "").
|
|
Replace("~", "")
|
|
|
|
Dim oBody = String.Format(EmailStrings.EMAIL_FILE_SIZE_REACHED, pArgs.MaxAttachmentSizeInMegaBytes, oFileWithoutMessageId)
|
|
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "FileSizeLimitReachedException", _EmailOutAccountId, pArgs.NamePortal)
|
|
AddRejectedState(oMessageId, "FileSizeLimitReachedException", "Erlaubte Dateigröße überschritten", "", oConnections.SQLServerTransaction)
|
|
|
|
|
|
Catch ex As NoFerdsAlternateException
|
|
' TODO: Maybe dont even log this 'error', since it's not really an error and it might happen *A LOT*
|
|
_logger.Error(ex)
|
|
oMoveDirectory = pArgs.NonZugferdDirectory
|
|
|
|
Catch ex As OutOfMemoryException
|
|
_logger.Warn("OutOfMemory Error occurred: {0}", ex.Message)
|
|
_logger.Error(ex)
|
|
|
|
' Send Email to Digital Data
|
|
Dim oBody = _email.CreateBodyForUnhandledException(oMessageId, ex)
|
|
Dim oEmailData As New EmailData With {
|
|
.From = pArgs.ExceptionEmailAddress,
|
|
.Subject = $"OutOfMemoryException im ZUGFeRD-Parser @ {oMessageId}"
|
|
}
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "OutOfMemoryException", _EmailOutAccountId, pArgs.NamePortal)
|
|
|
|
' Rollback Transaction
|
|
oConnections.SQLServerTransaction.Rollback()
|
|
|
|
oMoveDirectory = DIRECTORY_DONT_MOVE
|
|
|
|
oExpectedError = False
|
|
|
|
Catch ex As Exception
|
|
_logger.Warn("Unknown Error occurred: {0}", ex.Message)
|
|
_logger.Error(ex)
|
|
|
|
' Send Email to Digital Data
|
|
Dim oBody = _email.CreateBodyForUnhandledException(oMessageId, ex)
|
|
Dim oEmailData As New EmailData With {
|
|
.From = pArgs.ExceptionEmailAddress,
|
|
.Subject = $"UnhandledException im ZUGFeRD-Parser @ {oMessageId}"
|
|
}
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "UnhandledException", _EmailOutAccountId, pArgs.NamePortal)
|
|
|
|
' Rollback Transaction
|
|
oConnections.SQLServerTransaction.Rollback()
|
|
|
|
oMoveDirectory = DIRECTORY_DONT_MOVE
|
|
|
|
oExpectedError = False
|
|
|
|
Finally
|
|
Try
|
|
' If an application error occurred, dont move files so they will be processed again later
|
|
If oMoveDirectory = DIRECTORY_DONT_MOVE Then
|
|
_logger.Info("Application Error occurred. Files for message Id {0} will not be moved.", oMessageId)
|
|
Else
|
|
' Move all files of the current group
|
|
_file.MoveFiles(pArgs, oMessageId, pFiles, oEmailAttachmentFiles, oEmbeddedAttachmentFiles, oMoveDirectory, oIsSuccess)
|
|
End If
|
|
_logger.Info("Finished processing file group {0}", oMessageId)
|
|
Catch ex As Exception
|
|
' Send Email to Digital Data
|
|
Dim oBody = _email.CreateBodyForUnhandledException(oMessageId, ex)
|
|
Dim oEmailData As New EmailData With {
|
|
.From = pArgs.ExceptionEmailAddress,
|
|
.Subject = $"FileMoveException im ZUGFeRD-Parser @ {oMessageId}"
|
|
}
|
|
_email.AddToEmailQueueMSSQL(oMessageId, oBody, oEmailData, "FileMoveException", _EmailOutAccountId, pArgs.NamePortal)
|
|
|
|
_logger.Warn("Could not move files!")
|
|
_logger.Error(ex)
|
|
Throw ex
|
|
End Try
|
|
|
|
Try
|
|
' If everything went OK or an expected error occurred,
|
|
' finally commit all changes To the Database
|
|
' ==================================================================
|
|
If oIsSuccess Or oExpectedError Then
|
|
' Commit Transaction
|
|
oConnections.SQLServerTransaction.Commit()
|
|
End If
|
|
|
|
_logger.Info("FileGroup for MessageId [{0}] successfully processed!", oMessageId)
|
|
Catch ex As Exception
|
|
_logger.Error(ex)
|
|
_logger.Warn("Database Transactions were not committed successfully.")
|
|
End Try
|
|
|
|
Try
|
|
oConnections.SQLServerConnection.Close()
|
|
Catch ex As Exception
|
|
_logger.Error(ex)
|
|
_logger.Warn("Database Connections were not closed successfully.")
|
|
End Try
|
|
End Try
|
|
End Function
|
|
|
|
Private Function ProcessFile(pMessageId As String, oFile As FileInfo, oConnections As DatabaseConnections, pArgs As WorkerArgs) As ProcessFileResult
|
|
' 09.12.2021: oDocument is now an Object, because have different classes corresponding to the
|
|
' different versions of ZUGFeRD and the type is unknown at compile-time.
|
|
' 17.11.2022: oDocument is now a Tuple of (String, Object), to be able to return the filename
|
|
' of the extracted xml file.
|
|
' 21.12.2022: oDocument is now an object of type ZugferdResult to be able to save
|
|
' the new meta data, ie. the type of schema (zugferd version)
|
|
Dim oDocument As ZUGFeRDInterface.ZugferdResult
|
|
|
|
Dim oMissingProperties = New List(Of String)
|
|
Dim oEmailAttachmentFiles = New List(Of FileInfo)
|
|
Dim oEmbeddedAttachmentFiles = New List(Of PDFEmbeds.EmbeddedFile)
|
|
Dim oZugferdFiles As Integer = 0
|
|
|
|
' Start a global group counter for each file
|
|
Dim oGlobalGroupCounter = 0
|
|
' Clear missing properties for the new file
|
|
oMissingProperties = New List(Of String)
|
|
|
|
' Only pdf files are allowed from here on
|
|
If Not oFile.Name.ToUpper.EndsWith(".PDF") Then
|
|
_logger.Debug("Skipping non-pdf file {0}", oFile.Name)
|
|
oEmailAttachmentFiles.Add(oFile)
|
|
|
|
' Checking filesize for attachment files
|
|
If _filesystem.TestFileSizeIsLessThanMaxFileSize(oFile.FullName, pArgs.MaxAttachmentSizeInMegaBytes) = False Then
|
|
_logger.Warn("Filesize for File [{0}] exceeded limit of {1} MB", oFile.Name, pArgs.MaxAttachmentSizeInMegaBytes)
|
|
Throw New FileSizeLimitReachedException(oFile.Name, pArgs.MaxAttachmentSizeInMegaBytes)
|
|
End If
|
|
|
|
'TODO: how to handle?
|
|
'Continue For
|
|
End If
|
|
|
|
_logger.Info("Start processing file {0}", oFile.Name)
|
|
|
|
' Checking filesize for pdf files
|
|
If _filesystem.TestFileSizeIsLessThanMaxFileSize(oFile.FullName, pArgs.MaxAttachmentSizeInMegaBytes) = False Then
|
|
_logger.Warn("Filesize for File [{0}] exceeded limit of {1} MB", oFile.Name, pArgs.MaxAttachmentSizeInMegaBytes)
|
|
Throw New FileSizeLimitReachedException(oFile.Name, pArgs.MaxAttachmentSizeInMegaBytes)
|
|
End If
|
|
|
|
Try
|
|
oDocument = _zugferd.ExtractZUGFeRDFileWithGDPicture(oFile.FullName)
|
|
|
|
Catch ex As ValidationException
|
|
Throw ex
|
|
|
|
Catch ex As ZUGFeRDExecption
|
|
Select Case ex.ErrorType
|
|
Case ZUGFeRDInterface.ErrorType.NoZugferd
|
|
_logger.Info("File [{0}] is not a valid ZUGFeRD document. Skipping.", oFile.Name)
|
|
oEmailAttachmentFiles.Add(oFile)
|
|
|
|
'TODO: How to handle?
|
|
'Continue For
|
|
|
|
Case ZUGFeRDInterface.ErrorType.UnsupportedFormat
|
|
_logger.Info("File [{0}/{1}] is an unsupported ZUFeRD document format!", oFile.Name, ex.XmlFile)
|
|
Throw New UnsupportedFerdException(ex.XmlFile)
|
|
|
|
Case ZUGFeRDInterface.ErrorType.NoValidZugferd
|
|
_logger.Info("File [{0}] is an Incorrectly formatted ZUGFeRD document!", oFile.Name)
|
|
Throw New InvalidFerdException()
|
|
|
|
Case Else
|
|
_logger.Warn("Unexpected Error occurred while extracting ZUGFeRD Information from file {0}", oFile.Name)
|
|
Throw ex
|
|
End Select
|
|
End Try
|
|
|
|
' Check if there are more than one ZUGFeRD files
|
|
If oZugferdFiles = 1 Then
|
|
Throw New TooMuchFerdsException()
|
|
End If
|
|
|
|
' Since extraction went well, increase the amount of ZUGFeRD files
|
|
oZugferdFiles += 1
|
|
|
|
' Extract all attachments with the extensions specified in `AllowedExtensions`.
|
|
' If you need to extract and use embedded xml files, you need to filter out the zugferd-invoice.xml yourself.
|
|
' Right now the zugferd-invoice.xml is filtered out because `AllowedExtensions` does not contain `xml`.
|
|
Dim oAttachments = _embeds.Extract(oFile.FullName, AllowedExtensions)
|
|
If oAttachments Is Nothing Then
|
|
_logger.Warn("Attachments for file [{0}] could not be extracted", oFile.FullName)
|
|
Else
|
|
oEmbeddedAttachmentFiles.AddRange(oAttachments)
|
|
End If
|
|
|
|
' Check the Checksum and rejection status
|
|
Dim oMD5CheckSum = GenerateAndCheck_MD5Sum(oFile, pMessageId, pArgs.IgnoreRejectionStatus)
|
|
|
|
' Check the document against the configured property map and return:
|
|
' - a List of valid properties
|
|
' - a List of missing properties
|
|
|
|
Dim oPropertyMap = _zugferd.FilterPropertyMap(pArgs.PropertyMap, oDocument.Specification)
|
|
Dim oCheckResult = _zugferd.PropertyValues.CheckPropertyValues(oDocument.SchemaObject, oPropertyMap, pMessageId)
|
|
|
|
_logger.Info("Properties checked: [{0}] missing properties / [{1}] valid properties found.", oCheckResult.MissingProperties.Count, oCheckResult.ValidProperties.Count)
|
|
|
|
If oCheckResult.MissingProperties.Count > 0 Then
|
|
_logger.Warn("[{0}] missing properties found. Exiting.", oCheckResult.MissingProperties.Count)
|
|
oMissingProperties = oCheckResult.MissingProperties
|
|
Throw New MissingValueException(oFile)
|
|
Else
|
|
_logger.Debug("No missing properties found. Continuing.")
|
|
|
|
End If
|
|
|
|
DeleteExistingPropertyValues(pMessageId, oConnections)
|
|
|
|
Dim oFirstProperty = oCheckResult.ValidProperties.FirstOrDefault()
|
|
If oFirstProperty IsNot Nothing Then
|
|
InsertPropertyValue(pMessageId, oConnections, New PropertyValues.ValidProperty() With {
|
|
.MessageId = pMessageId,
|
|
.Description = "ZUGFeRDSpezifikation",
|
|
.GroupCounter = 0,
|
|
.IsRequired = False,
|
|
.Value = oDocument.Specification,
|
|
.TableName = oFirstProperty.TableName,
|
|
.TableColumn = "ZUGFERD_SPECIFICATION"
|
|
})
|
|
End If
|
|
|
|
For Each oProperty In oCheckResult.ValidProperties
|
|
InsertPropertyValue(pMessageId, oConnections, oProperty)
|
|
Next
|
|
|
|
Return New ProcessFileResult With {
|
|
.ZugferdFileCount = oZugferdFiles
|
|
}
|
|
End Function
|
|
#End Region
|
|
|
|
|
|
Private Sub DeleteExistingPropertyValues(pMessageId As String, pConnections As DatabaseConnections)
|
|
Dim oDelSQL = $"DELETE FROM TBEDMI_ITEM_VALUE where REFERENCE_GUID = '{pMessageId}'"
|
|
Dim oStep As String
|
|
|
|
oStep = "TBEDMI_ITEM_VALUE Delete MessageID Items"
|
|
Try
|
|
_mssql.ExecuteNonQueryWithConnectionObject(oDelSQL, pConnections.SQLServerConnection, MSSQLServer.TransactionMode.ExternalTransaction, pConnections.SQLServerTransaction)
|
|
Catch ex As Exception
|
|
_logger.Warn("Step [{0}] with SQL [{1}] was not successful.", oStep, oDelSQL)
|
|
End Try
|
|
End Sub
|
|
|
|
Private Sub InsertPropertyValue(pMessageId As String, pConnections As DatabaseConnections, pProperty As PropertyValues.ValidProperty)
|
|
Dim oGroupCounterValue = pProperty.GroupCounter
|
|
|
|
' If GroupCounter is -1, it means this is a default property that can only occur once.
|
|
' Set the actual inserted value to 0
|
|
If oGroupCounterValue = -1 Then
|
|
oGroupCounterValue = 0
|
|
End If
|
|
|
|
Dim oCommand = $"INSERT INTO {pProperty.TableName} (REFERENCE_GUID, ITEM_DESCRIPTION, ITEM_VALUE, GROUP_COUNTER, SPEC_NAME, IS_REQUIRED) VALUES
|
|
('{pMessageId}', '{pProperty.Description}', '{pProperty.Value.Replace("'", "''")}', {oGroupCounterValue},'{pProperty.TableColumn}','{pProperty.IsRequired}')"
|
|
_logger.Debug("Mapping Property [{0}] with value [{1}], Will be inserted into table [{2}]", pProperty.TableColumn, pProperty.Value.Replace("'", "''"), pProperty.TableName)
|
|
' Insert into SQL Server
|
|
|
|
Dim oResult = _mssql.ExecuteNonQueryWithConnectionObject(oCommand, pConnections.SQLServerConnection, MSSQLServer.TransactionMode.ExternalTransaction, pConnections.SQLServerTransaction)
|
|
If oResult = False Then
|
|
_logger.Warn($"SQL Command [{oCommand}] was not successful. Check the log.")
|
|
End If
|
|
End Sub
|
|
|
|
Private Function CreateMD5(pFilename As String) As String
|
|
Try
|
|
Dim oMD5 As New MD5CryptoServiceProvider
|
|
Dim oHash As Byte()
|
|
Dim oHashString As String
|
|
Dim oResult As String = ""
|
|
|
|
Using oFileStream As New FileStream(pFilename, FileMode.Open, FileAccess.Read, FileShare.Read, 8192)
|
|
oHash = oMD5.ComputeHash(oFileStream)
|
|
oHashString = BitConverter.ToString(oHash)
|
|
End Using
|
|
|
|
oResult = oHashString.Replace("-", "")
|
|
Return oResult
|
|
Catch ex As Exception
|
|
_logger.Error(ex)
|
|
Return ""
|
|
End Try
|
|
End Function
|
|
|
|
|
|
|
|
''' <summary>
|
|
''' Generates the MD5 Checksum of a file and checks it against the histroy table TBEDM_ZUGFERD_HISTORY_IN
|
|
''' </summary>
|
|
''' <param name="pFilePath">The path of the file to be checked</param>
|
|
''' <param name="pIgnoreRejectionStatus">Should the check take into account the rejection status of the file?</param>
|
|
''' <returns>The MD5 Checksum of the file, or an empty string, if the Checksum could not be created</returns>
|
|
''' <exception cref="MD5HashException">Throws, when the file should be rejected, ie. if it already exists in the table</exception>
|
|
Private Function GenerateAndCheck_MD5Sum(pFile As FileInfo, pMessageId As String, pIgnoreRejectionStatus As Boolean) As String
|
|
Dim oMD5CheckSum = CreateMD5(pFile.FullName)
|
|
|
|
' Exit if MD5 could not be created
|
|
If oMD5CheckSum = String.Empty Then
|
|
_logger.Warn("MD5 Checksum is nothing for file [{0}]!", pFile.FullName)
|
|
Return oMD5CheckSum
|
|
End If
|
|
|
|
' Check if Checksum exists in History Table
|
|
'Dim oCheckCommand = $"SELECT * FROM TBEDM_ZUGFERD_HISTORY_IN WHERE GUID = (SELECT MAX(GUID) FROM TBEDM_ZUGFERD_HISTORY_IN WHERE UPPER(MD5HASH) = UPPER('{oMD5CheckSum}'))"
|
|
'Dim oTable As DataTable = _firebird.GetDatatable(oCheckCommand, Firebird.TransactionMode.NoTransaction)
|
|
|
|
' Check if Checksum exists in History Table
|
|
' TODO: WHAT THE FUCK IS THIS
|
|
Dim oCheckCommand = $"SELECT * FROM TBEMLP_HISTORY WHERE GUID = (SELECT MAX(GUID) FROM TBEMLP_HISTORY WHERE UPPER(MD5HASH) = UPPER('{oMD5CheckSum}'))"
|
|
Dim oTable As DataTable = _mssql.GetDatatable(oCheckCommand, MSSQLServer.TransactionMode.NoTransaction)
|
|
|
|
' If History entries could not be fetched, just return the MD5 Checksum
|
|
If IsNothing(oTable) Then
|
|
_logger.Warn("Be careful: oExistsDT is nothing for file [{0}]!", pFile.FullName)
|
|
Return oMD5CheckSum
|
|
End If
|
|
|
|
' If Checksum does not exist in History entries, just return the MD5 Checksum
|
|
If oTable.Rows.Count = 0 Then
|
|
_logger.Debug("File [{0}] was not found in History!", pFile.FullName)
|
|
Return oMD5CheckSum
|
|
End If
|
|
|
|
' ====================================================
|
|
' Checksum exists in History entries, reject!
|
|
' ====================================================
|
|
|
|
Dim oRejected As Boolean
|
|
Dim oHistoryId As Integer
|
|
|
|
' Try to read Rejected Status and History Id
|
|
Try
|
|
Dim oRow As DataRow = oTable.Rows.Item(0)
|
|
oRejected = oRow.ItemEx("CUST_REJECTED", False)
|
|
oHistoryId = oRow.Item("GUID")
|
|
|
|
Catch ex As Exception
|
|
_logger.Warn("Error while converting REJECTED: " & ex.Message)
|
|
oRejected = False
|
|
|
|
End Try
|
|
|
|
_logger.Info("File with MessageId [{0}] has already been processed.", pMessageId)
|
|
|
|
' If the file was already rejected, it is allowed to be processed again,
|
|
' even if the Checksum exists in the history entries (default case)
|
|
' Which means, if it was not rejected before, it will be rejected in any case!
|
|
'
|
|
' This logic can be overwritten by the IgnoreRejectionStatus parameter.
|
|
' If it is set to true, the file will be rejected if the file exists in the history entries,
|
|
' regardless of the rejected parameter.
|
|
|
|
If oRejected = True And pIgnoreRejectionStatus = True Then
|
|
_logger.Info("ZuGFeRDFile already has been processed, but Rejection Status will be ignored!")
|
|
ElseIf oRejected = False Then
|
|
_logger.Info("ZuGFeRDFile already has been processed. Will be rejected.")
|
|
Throw New MD5HashException($"There is already an identical invoice! - HistoryID [{oHistoryId}] - Case 1", pFile.Name)
|
|
Else
|
|
_logger.Info("ZuGFeRDFile already has been processed. Will be rejected.")
|
|
Throw New MD5HashException($"There is already an identical invoice! - HistoryID [{oHistoryId}] - Case 2", pFile.Name)
|
|
End If
|
|
|
|
Return oMD5CheckSum
|
|
End Function
|
|
|
|
Private Function MoveAndRenameEmailToRejected(pArgs As WorkerArgs, pMessageId As String) As EmailData
|
|
_logger.Info("Moving Mail with MessageId [{0}] to Rejected folder", pMessageId)
|
|
_logger.Debug("Fetching Email Data")
|
|
|
|
Dim oEmailData = _email.GetEmailDataForMessageId(pMessageId)
|
|
_logger.Debug("Email Data fetched!")
|
|
|
|
Dim oSource = _email.GetOriginalEmailPath(pArgs.OriginalEmailDirectory, pMessageId)
|
|
_logger.Debug("Original email path: [{0}]", oSource)
|
|
|
|
Dim oDateSubDirectoryName As String = Now.ToString("yyyy-MM-dd")
|
|
Dim oDestination As String
|
|
|
|
Dim oRejectedDirectory As String = Path.Combine(pArgs.RejectedEmailDirectory, oDateSubDirectoryName)
|
|
|
|
' Create the destination directory if it does not exist
|
|
_logger.Debug("Creating destination directory [{0}]", oRejectedDirectory)
|
|
If Not Directory.Exists(oRejectedDirectory) Then
|
|
Try
|
|
Directory.CreateDirectory(oRejectedDirectory)
|
|
Catch ex As Exception
|
|
_logger.Error(ex)
|
|
End Try
|
|
End If
|
|
|
|
If oSource = String.Empty Then
|
|
_logger.Warn("Original Email for [{0}] could not be found. Exiting.", pMessageId)
|
|
Return New EmailData()
|
|
End If
|
|
|
|
' If oEmailData is Nothing, TBEDM_EMAIL_PROFILER_HISTORY for MessageId was not found.
|
|
' This only should happen when testing and db-tables are deleted frequently
|
|
If oEmailData Is Nothing Then
|
|
oDestination = _email.GetEmailPathWithSubjectAsName(oRejectedDirectory, pMessageId)
|
|
Else
|
|
oDestination = _email.GetEmailPathWithSubjectAsName(oRejectedDirectory, StringEx.ConvertTextToSlug(oEmailData.Subject))
|
|
End If
|
|
|
|
_logger.Debug("Destination for eml file is {0}", oDestination)
|
|
|
|
Dim oFinalFileName = _filesystem.GetVersionedFilename(oDestination)
|
|
|
|
_logger.Debug("Versioned filename for eml file is {0}", oFinalFileName)
|
|
|
|
If oEmailData Is Nothing Then
|
|
_logger.Warn("Could not get Email Data from firebird-database. File {0} will not be moved!", oSource)
|
|
Return New EmailData()
|
|
End If
|
|
|
|
'---------------------------
|
|
|
|
Try
|
|
_logger.Info("Moving email from {0} to {1}", oSource, oFinalFileName)
|
|
File.Move(oSource, oFinalFileName)
|
|
oEmailData.Attachment = oFinalFileName
|
|
Catch ex As Exception
|
|
_logger.Warn("File {0} could not be moved! Original Filename will be used!", oSource)
|
|
_logger.Error(ex)
|
|
oEmailData.Attachment = oSource
|
|
End Try
|
|
|
|
_logger.Info("Email [{0}] moved to rejected folder!", pMessageId)
|
|
|
|
Return oEmailData
|
|
End Function
|
|
|
|
Private Sub AddRejectedState(pMessageID As String, pTitle As String, pTitle1 As String, pComment As String, pTransaction As SqlTransaction)
|
|
Try
|
|
'PRCUST_ADD_HISTORY_STATE: @MessageID VARCHAR(250), @TITLE1 VARCHAR(250), @TITLE2 VARCHAR(250)
|
|
Dim oSQL = $"EXEC PRCUST_ADD_HISTORY_STATE '{pMessageID}','{pTitle}','{pTitle1}','{pComment.Replace("'", "''")}'"
|
|
_mssql.ExecuteNonQuery(oSQL, pTransaction)
|
|
Catch ex As Exception
|
|
_logger.Error(ex)
|
|
End Try
|
|
End Sub
|
|
End Class
|