98 lines
3.7 KiB
VB.net
98 lines
3.7 KiB
VB.net
Imports DigitalData.Modules.Database
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Imports DigitalData.Modules.EDMI.API
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Imports DigitalData.Modules.EDMI.API.Constants
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Imports DigitalData.Modules.EDMI.API.EDMIServiceReference
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Imports DigitalData.Modules.Logging
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Imports DigitalData.Modules.Language.Utils
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Public Class DatabaseWithFallback
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Private ReadOnly _Logger As Logger
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Private ReadOnly _Client As Client
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Private ReadOnly _DatabaseEDM As MSSQLServer
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Private ReadOnly _DatabaseIDB As MSSQLServer
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Public Sub New(LogConfig As LogConfig, Client As Client, DatabaseECM As MSSQLServer, DatabaseIDB As MSSQLServer)
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_Logger = LogConfig.GetLogger()
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_Client = Client
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_DatabaseEDM = DatabaseECM
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_DatabaseIDB = DatabaseIDB
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End Sub
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Public Function GetDatatable(DataTable As String, FallbackSQL As String, FallbackType As Constants.DatabaseType, Optional FilterExpression As String = "", Optional SortByColumn As String = "", Optional ForceFallback As Boolean = False) As DataTable
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Try
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Dim oResult As DataTable = Nothing
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If ForceFallback = False Then
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Dim oTableResult As TableResult
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Try
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oTableResult = _Client.GetDatatableByName(DataTable, FilterExpression, SortByColumn)
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Catch ex As Exception
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_Logger.Error(ex)
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oTableResult = Nothing
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End Try
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If oTableResult Is Nothing OrElse oTableResult.OK = False Then
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_Logger.Warn("Datatable [{0}] could not be fetched from AppServer Cache. Falling back to direct Database Access.")
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Return GetDatatableFromDatabase(FallbackSQL, FallbackType)
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End If
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Return oTableResult.Table
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Else
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Return GetDatatableFromDatabase(FallbackSQL, FallbackType)
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End If
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Catch ex As Exception
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_Logger.Error(ex)
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Return Nothing
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End Try
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End Function
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Private Function GetDatatableFromDatabase(SQLCommand As String, DatabaseType As DatabaseType)
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Try
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Select Case DatabaseType
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Case DatabaseType.ECM
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Return _DatabaseEDM.GetDatatable(SQLCommand)
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Case DatabaseType.IDB
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Return _DatabaseIDB.GetDatatable(SQLCommand)
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Case Else
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Return Nothing
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End Select
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Catch ex As Exception
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_Logger.Error(ex)
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Return Nothing
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End Try
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End Function
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Public Function GetUserData(UserName As String, ModuleCode As String, Client As Integer) As UserData
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'Dim oSQL = $"SELECT * FROM FNDD_CHECK_USER_MODULE('{UserName}','{ModuleCode}',{Client})"
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'Dim oTable As DataTable = GetDatatable("TBDD_USER_MODULE", $"USERNAME = '{UserName.ToLower}' AND MODULE_SHORT = '{ModuleCode}'", "", oSQL, DatabaseType.ECM)
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'If oTable Is Nothing Then
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' Return Nothing
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'End If
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'If oTable.Rows.Count = 0 Then
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' Return Nothing
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'End If
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'Dim oRow As DataRow = oTable.Rows.Item(0)
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'Dim oUserData As New UserData With {
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' .Id = NotNull(oRow, "USER_ID", -1),
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' .Surname = NotNull(oRow, "USER_SURNAME", String.Empty),
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' .Prename = NotNull(oRow, "USER_PRENAME", String.Empty),
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' .Shortname = NotNull(oRow, "USER_SHORTNAME", String.Empty),
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' .Email = NotNull(oRow, "USER_EMAIL", String.Empty),
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' .Language = NotNull(oRow, "USER_LANGUAGE", "de-DE"),
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' .DateFormat = NotNull(oRow, "USER_DATE_FORMAT", "dd.MM.yyyy")
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'}
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Throw New NotImplementedException()
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End Function
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End Class
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