Modules.Config: Abfrage von Lizenzen zentral über eine Funktion, die auch die Version berücksichtigt.

Config/Config.vbproj

@@ -47,6 +47,9 @@
     <Reference Include="DigitalData.Modules.Base">
       <HintPath>..\Base\bin\Debug\DigitalData.Modules.Base.dll</HintPath>
     </Reference>
+    <Reference Include="DigitalData.Modules.Database">
+      <HintPath>..\Database\bin\Debug\DigitalData.Modules.Database.dll</HintPath>
+    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="NLog, Version=5.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.5.0.5\lib\net46\NLog.dll</HintPath>
@@ -78,6 +81,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="ConfigAttributes.vb" />
+    <Compile Include="ConfigDbFunct.vb" />
     <Compile Include="ConfigManager.vb" />
     <Compile Include="ConfigSample.vb" />
     <Compile Include="ConfigUtils.vb" />

Config/ConfigDbFunct.vb

@@ -0,0 +1,52 @@
+Imports DigitalData.Modules.Logging
+Imports DigitalData.Modules.Database
+
+
+Public Class ConfigDbFunct
+
+    ''' <summary>
+    ''' Ermittelt die aktuelle Lizenz für das gewünschte Produkt
+    ''' aus der DB-Tabelle TBDD_3RD_PARTY_MODULES
+    ''' </summary>
+    ''' 
+    ''' <param name="pLogConfig">An instance of LogConfig</param>
+    ''' <param name="pConnectionString">Initial connectionstring for connecting to DD_ECM database.</param>
+    ''' <returns>LicenseKey, if found, otherwise String.Empty</returns>
+    Public Shared Function GetProductLicense(pProductName As String, pVersion As String, pLogConfig As LogConfig, pConnectionString As String) As String
+
+        Dim oLogger As Logger = pLogConfig.GetLogger()
+
+        If (String.IsNullOrEmpty(pProductName)) Then
+            oLogger.Error("Parameter pProductName is null or empty")
+            Return String.Empty
+        End If
+
+        If (String.IsNullOrEmpty(pVersion)) Then
+            oLogger.Error("Parameter pVersion is null or empty")
+            Return String.Empty
+        End If
+
+        If (String.IsNullOrEmpty(pConnectionString)) Then
+            oLogger.Error("Parameter pConnectionString is null or empty")
+            Return String.Empty
+        End If
+
+        Try
+            Dim oDecryptedConnectionString As String = MSSQLServer.DecryptConnectionString(pConnectionString)
+            Dim oDatabase As MSSQLServer = New MSSQLServer(pLogConfig, oDecryptedConnectionString)
+
+            Dim oSql As String = "SELECT LICENSE FROM TBDD_3RD_PARTY_MODULES WHERE NAME = '" + pProductName + "' AND ACTIVE = 1 AND VERSION = '" + pVersion + "'"
+            Dim oLicenseString As String = oDatabase.GetScalarValue(oSql)
+
+            Return oLicenseString
+
+        Catch ex As Exception
+            oLogger.Error("Exception occured in ConfigDbFunct.GetProductLicense()")
+            oLogger.Error(ex)
+        End Try
+
+        Return String.Empty
+
+    End Function
+
+End Class