Jobs: New Version of GraphQLJob

Modules.Jobs/EDMI/GraphQL/GraphQLJob.vb

@@ -16,6 +16,8 @@ Public Class GraphQLJob
     Inherits JobBase
     Implements IJob(Of GraphQLArgs)
 
+    Private Const PLACEHOLDER_STATIC = "STATIC:"
+
     Public Sub New(LogConfig As LogConfig, MSSQL As MSSQLServer)
         MyBase.New(LogConfig, Nothing, MSSQL)
     End Sub
@@ -64,21 +66,23 @@ Public Class GraphQLJob
 
             For Each oQuery As GraphQL.Query In oQueryList
                 Try
+                    _Logger.NewBlock($"Query [{oQuery.Name}]")
+
                     Dim oConnectionId As Integer = oQuery.ConnectionId
                     Dim oConnectionString = _MSSQL.Get_ConnectionStringforID(oConnectionId)
 
                     Dim oDatabase As New MSSQLServer(_LogConfig, oConnectionString)
 
-                    _Logger.Info("Resetting data for query [{0}] with constraint [{1}]", oQuery.Name, oQuery.QueryConstraint)
-
                     ' Reset all records to status = 0
+                    _Logger.Info("Resetting data with constraint [{1}]", oQuery.Name, oQuery.QueryConstraint)
+
                     Dim oResetSQL = $"UPDATE {oQuery.DestinationTable} SET STATUS = 0"
                     If oQuery.QueryConstraint <> String.Empty Then
                         oResetSQL &= $" WHERE {oQuery.QueryConstraint}"
                     End If
                     _MSSQL.ExecuteNonQuery(oResetSQL)
 
-                    _Logger.Info("Getting data for query [{0}]", oQuery.Name)
+                    _Logger.Info("Getting data..", oQuery.Name)
 
                     ' get the data from GraphQL
                     Dim oDataResponse = oInterface.GetData(oQuery.QueryString, oQuery.OperationName)
@@ -111,21 +115,21 @@ Public Class GraphQLJob
                         Continue For
                     End If
 
-                    ' Finally delete all old records, when:
+                    ' Finally delete all old records
-                    ' - ClearBeforeFill is true, which should be the last query for a given Operation
+                    Dim oDeleteSQL = $"DELETE FROM {oQuery.DestinationTable} WHERE STATUS = 0"
-                    ' - QueryConstraint is not empty, which means the records produced by this query can be selected easily
+                    If oQuery.QueryConstraint <> String.Empty Then
-                    If oQuery.ClearBeforeFill = True Or oQuery.QueryConstraint <> String.Empty Then
+                        oDeleteSQL &= $" AND {oQuery.QueryConstraint}"
-                        Dim oDeleteSQL = $"DELETE FROM {oQuery.DestinationTable} WHERE STATUS = 0"
-                        If oQuery.QueryConstraint <> String.Empty Then
-                            oDeleteSQL &= $" AND {oQuery.QueryConstraint}"
-                        End If
-                        _MSSQL.ExecuteNonQuery(oDeleteSQL)
                     End If
 
+                    _Logger.Info("Success, deleting old records..", oQuery.Name)
+                    _MSSQL.ExecuteNonQuery(oDeleteSQL)
+
                 Catch ex As Exception
                     _Logger.Warn("Error while getting Data for Name/OperationName [{0}]/[{1}]", oQuery.Name, oQuery.OperationName)
                     _Logger.Error(ex)
 
+                    _Logger.Info("Failure, deleting new records..", oQuery.Name)
+
                     ' If a crash happens, delete all records which were inserted in this run,
                     ' thus going back to the previous state
                     Dim oDeleteSQL = $"DELETE FROM {oQuery.DestinationTable} WHERE STATUS = 1"
@@ -133,6 +137,8 @@ Public Class GraphQLJob
                         oDeleteSQL &= $" AND {oQuery.QueryConstraint}"
                     End If
                     _MSSQL.ExecuteNonQuery(oDeleteSQL)
+                Finally
+                    _Logger.EndBlock()
                 End Try
             Next
 
@@ -172,13 +178,22 @@ Public Class GraphQLJob
                 Dim oKeys As New List(Of String)
 
                 For Each oMapping In QueryData.MappingFields
-                    Dim oToken = oResultItem.SelectToken(oMapping.SourcePath)
+                    Dim oValue As String = String.Empty
 
-                    If oToken Is Nothing Then
+                    If oMapping.SourcePath.StartsWith(PLACEHOLDER_STATIC) Then
-                        _Logger.Warn("HandleResponse: Could not find value at SourcePath: {0}", oMapping.SourcePath)
+                        oValue = oMapping.SourcePath.Replace(PLACEHOLDER_STATIC, String.Empty)
+                    Else
+                        Dim oToken = oResultItem.SelectToken(oMapping.SourcePath)
+
+                        If oToken Is Nothing Then
+                            _Logger.Warn("HandleResponse: Could not find value at SourcePath: {0}", oMapping.SourcePath)
+                            oValue = String.Empty
+                        Else
+                            oValue = oToken.ToString
+                        End If
                     End If
 
-                    oValues.Add(oToken.ToString())
+                    oValues.Add(oValue)
                     oKeys.Add(oMapping.DestinationColumn)
                 Next