Changeset 10013 for branches/OaaS/HeuristicLab.Services.Optimization.Billing/BillingEngine

Timestamp:

10/01/13 13:18:19 (11 years ago)

Author:

spimming

Message:

#1888:

• enabled transactions
• enabled tracing output
• set correct invoice data
• saving invoices

Location:

branches/OaaS/HeuristicLab.Services.Optimization.Billing/BillingEngine

Files:

• AzureInvoiceDao.cs (added)
• BillingEngine.cs (modified) (7 diffs)
• FileSystemInvoiceDao.cs (added)
• PlainTextInvoiceFormattingEngine.cs (modified) (4 diffs)

branches/OaaS/HeuristicLab.Services.Optimization.Billing/BillingEngine/BillingEngine.cs

@@ -6 +6 @@
 using System.Linq;
 using System.Threading;
+using System.Transactions;
 using HeuristicLab.Services.Optimization.Billing.Business;
 using HeuristicLab.Services.Optimization.Billing.Interfaces;
@@ -51 +52 @@
     public void Run() {
       while (!stop) {
+        TransactionOptions options = new TransactionOptions();
+        options.IsolationLevel = IsolationLevel.ReadUncommitted;
+        TransactionScope transaction = new TransactionScope(TransactionScopeOption.Required, options);
         try {
           Trace.WriteLine("[BillingEngine] Start billing cycle");
@@ -58 +62 @@
           Trace.WriteLine(string.Format("[BillingEngine] Processing {0} active orders.", activeOrders.Count));
           foreach (Order order in activeOrders) {
+            Trace.WriteLine(string.Format("[BillingEngine] Processing order with id: {0}", order.OrderId));
+
             if (!order.NextBillableDay.HasValue) {
               // An invoice has never been generated from this order 
@@ -64 +70 @@
             }
 
-            if (order.NextBillableDay >= currentDate) {
-              // TODO: Embed everything in a transaction
-
+            if (order.NextBillableDay <= currentDate) {
               // Collect Usage Data
+              Trace.WriteLine("[BillingEngine] Collecting usage data");
               //IList<UsageRecord> usageRecrods = BillingService.GetUsageRecords(order.User.Name, order.LastBillableDay.Value, currentDate);
 
               // Collect Invoice Data
+              Trace.WriteLine("[BillingEngine] Collecting invoice data");
               Invoice invoice = new Invoice();
               invoice.Order = order;
@@ -96 +102 @@
               // Bill Post Processing: Apply Discounts or Promotions
               // add discounts, sum up items to sub-total, calc. tax -> total current charges
-              // maybe use windows workflow foundation for this task 
+              // maybe use rule execution feature from the windows workflow foundation for this task 
+              Trace.WriteLine("[BillingEngine] Bill post preccessing");
+              double subTotal = 0.0;
+              foreach (InvoiceLine invoiceLine in invoice.InvoiceLines) {
+                subTotal += invoiceLine.ProductPrice;
+              }
+              invoice.SubTotal = subTotal;
+              invoice.Tax = invoice.SubTotal * 0.2;
+              invoice.Total = invoice.SubTotal + invoice.Tax;
 
-              // Invoice Formatting Engine: Generate Invoice 
+              // Invoice Formatting Engine: Generate Invoice
+              Trace.WriteLine("[BillingEngine] Generating invoice document");
               invoice.InvoiceDocument = InvoiceFormattingEngine.Generate(invoice);
 
@@ -104 +119 @@
               billingService.UpdateOrder(order);
               billingService.SaveInvoice(invoice);
+
+              transaction.Complete();
             }
           }
@@ -112 +129 @@
           Trace.WriteLine(string.Format("[BillingEngine] The following exception occured: {0}", e.ToString()));
         }
+        finally {
+          transaction.Dispose();
+        }
+
         waitHandle.WaitOne(interval);
       }

branches/OaaS/HeuristicLab.Services.Optimization.Billing/BillingEngine/PlainTextInvoiceFormattingEngine.cs

@@ -3 +3 @@
 using System.IO;
 using System.Linq;
+using System.Text.RegularExpressions;
 using System.Windows.Forms;
 using HeuristicLab.Services.Optimization.Billing.Interfaces;
@@ -20 +21 @@
     private PlainTextInvoiceFormat invoiceFormat;
     private string invoiceOutputPath;
+    private IInvoiceDao invoiceDao;
+
+    private IInvoiceDao InvoiceDao {
+      get {
+        if (invoiceDao == null) {
+          invoiceDao = new FileSystemInvoiceDao();
+        }
+        return invoiceDao;
+      }
+    }
 
     public PlainTextInvoiceFormattingEngine()
@@ -82 +93 @@
       invoiceText = invoiceText.Replace("{INVOICE_TOTAL}", invoice.Total.ToString("C2").PadLeft(14));
 
+      // remove all escape sequences and replace directory separator with a hyphen 
+      string customerName = Regex.Replace(invoice.User.ContactInformation.OrganizationName, "\\r\\n|\\[bnrt]", "");
+      customerName = customerName.Replace("/", "-");
+
       if (invoiceFormat == PlainTextInvoiceFormat.RTF) {
-        invoiceOutputPath = string.Format("{0}_{1}_{2}.rtf", invoice.InvoiceId, invoice.InvoiceDate.ToString("yyyMMdd"), "{CUSTOMER}");
+        invoiceOutputPath = string.Format("{0}_{1}_{2}.rtf", invoice.InvoiceId, invoice.InvoiceDate.ToString("yyyMMdd"), customerName);
 
         RichTextBox richTextBox = new RichTextBox();
@@ -90 +105 @@
         richTextBox.SelectionFont = new Font("Consolas", 10, FontStyle.Regular);
 
-        File.WriteAllText(invoiceOutputPath, richTextBox.Rtf);
+        //File.WriteAllText(invoiceOutputPath, richTextBox.Rtf);
+        InvoiceDao.SaveDocument(invoiceOutputPath, richTextBox.Rtf);
       } else if (invoiceFormat == PlainTextInvoiceFormat.TXT) {
-        invoiceOutputPath = string.Format("{0}_{1}_{2}.txt", invoice.InvoiceId, invoice.InvoiceDate.ToString("yyyMMdd"), "{CUSTOMER}");
+        invoiceOutputPath = string.Format("{0}_{1}_{2}.txt", invoice.InvoiceId, invoice.InvoiceDate.ToString("yyyMMdd"), customerName);
 
-        File.WriteAllText(invoiceOutputPath, invoiceText);
+        //File.WriteAllText(invoiceOutputPath, invoiceText);
+        InvoiceDao.SaveDocument(invoiceOutputPath, invoiceText);
       } else if (invoiceFormat == PlainTextInvoiceFormat.PDF) {
         throw new Exception("PDF invoice format is currently not supported");