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source: branches/OaaS/HeuristicLab.Services.Optimization.Billing/BillingEngine/PlainTextInvoiceFormattingEngine.cs @ 9641

Last change on this file since 9641 was 9641, checked in by spimming, 10 years ago

#1888:

  • Users now contain ContactInformation
  • Fixed formatting in invoice template
  • Fixed calculation for next invoice date
  • Worked on indentation for invoice fields
File size: 5.0 KB
Line 
1using System;
2using System.Drawing;
3using System.IO;
4using System.Linq;
5using System.Windows.Forms;
6using HeuristicLab.Services.Optimization.Billing.Interfaces;
7using HeuristicLab.Services.Optimization.Billing.Model;
8
9namespace HeuristicLab.Services.Optimization.Billing.BillingEngine {
10  public enum PlainTextInvoiceFormat {
11    TXT,
12    RTF,
13    PDF
14  }
15
16  public class PlainTextInvoiceFormattingEngine : IInvoiceFormattingEngine {
17    private const string defaultTemplatePath = @"BillingEngine\InvoiceTemplate.txt";
18    private string template;
19    private string invoiceText;
20    private PlainTextInvoiceFormat invoiceFormat;
21    private string invoiceOutputPath;
22
23    public PlainTextInvoiceFormattingEngine()
24      : this(defaultTemplatePath, PlainTextInvoiceFormat.RTF) {
25
26    }
27
28    public PlainTextInvoiceFormattingEngine(string templatePath, PlainTextInvoiceFormat format) {
29      if (!File.Exists(templatePath)) {
30        throw new FileNotFoundException("Cannot find template file", templatePath);
31      }
32      template = File.ReadAllText(templatePath);
33
34      if (format == PlainTextInvoiceFormat.PDF) {
35        throw new Exception("PDF invoice format is currently not supported");
36      }
37      invoiceFormat = format;
38    }
39
40    public string Generate(Model.Invoice invoice) {
41      invoiceText = string.Copy(template);
42
43      invoiceText = invoiceText.Replace("{INVOICE_ID}", invoice.InvoiceId.ToString());
44
45      invoiceText = invoiceText.Replace("{ORGANIZATION_NAME}", invoice.User.ContactInformation.OrganizationName);
46      invoiceText = invoiceText.Replace("{FIRSTNAME}", invoice.User.ContactInformation.FirstName);
47      invoiceText = invoiceText.Replace("{LASTNAME}", invoice.User.ContactInformation.LastName);
48      invoiceText = invoiceText.Replace("{STREET}", invoice.User.ContactInformation.Street);
49      invoiceText = invoiceText.Replace("{POSTAL_CODE}", invoice.User.ContactInformation.PostalCode);
50      invoiceText = invoiceText.Replace("{CITY}", invoice.User.ContactInformation.City);
51
52      invoiceText = invoiceText.Replace("{INVOICE_DATE}", invoice.InvoiceDate.ToString("dd.MM.yyyy"));
53      invoiceText = invoiceText.Replace("{ORDER_ID}", invoice.OrderId.ToString());
54      invoiceText = invoiceText.Replace("{USER_NAME}", invoice.User.Name);
55      invoiceText = invoiceText.Replace("{PAYMENT_TERMS}", "2% 10, net 30 days");
56      invoiceText = invoiceText.Replace("{PAYMENT_DUE}", invoice.Due.Date.ToString("dd.MM.yyyy"));
57
58      int itemNo = invoice.InvoiceLines.Count;
59      int first = invoiceText.IndexOf("#BEGIN");
60      int last = invoiceText.LastIndexOf("#END");
61      string orderLineTextTemplate = invoiceText.Substring(first, last + 6 - first);
62      invoiceText = invoiceText.Remove(first, last + 6 - first);
63      foreach (InvoiceLine invoiceLine in invoice.InvoiceLines.Reverse()) {
64        string invoiceLineText = string.Copy(orderLineTextTemplate);
65
66        invoiceLineText = invoiceLineText.Replace("{ITEM}", (itemNo).ToString().PadRight(5));
67        itemNo--;
68        invoiceLineText = invoiceLineText.Replace("{PRODUCT_NAME}", invoiceLine.Product.Name.PadRight(39));
69        invoiceLineText = invoiceLineText.Replace("{QUANTITY}", invoiceLine.Quantity.ToString().PadRight(9));
70        invoiceLineText = invoiceLineText.Replace("{PRODUCT_PRICE}", invoiceLine.ProductPrice.ToString("C2").PadLeft(10));
71        double totalPrice = invoiceLine.Quantity * invoiceLine.ProductPrice;
72        invoiceLineText = invoiceLineText.Replace("{PRODUCT_TOTAL}", totalPrice.ToString("C2").PadLeft(11));
73
74        invoiceLineText = invoiceLineText.Remove(invoiceLineText.IndexOf("#BEGIN"), 7);
75        invoiceLineText = invoiceLineText.Remove(invoiceLineText.IndexOf("#END"), 4);
76
77        invoiceText = invoiceText.Insert(first, invoiceLineText);
78      }
79
80      invoiceText = invoiceText.Replace("{INVOICE_SUB_TOTAL}", string.Format("{0:C2}", invoice.Total - invoice.Tax).PadLeft(18));
81      invoiceText = invoiceText.Replace("{INVOICE_TAX}", invoice.Tax.ToString("C2").PadLeft(12));
82      invoiceText = invoiceText.Replace("{INVOICE_TOTAL}", invoice.Total.ToString("C2").PadLeft(14));
83
84      if (invoiceFormat == PlainTextInvoiceFormat.RTF) {
85        invoiceOutputPath = string.Format("{0}_{1}_{2}.rtf", invoice.InvoiceId, invoice.InvoiceDate.ToString("yyyMMdd"), "{CUSTOMER}");
86
87        RichTextBox richTextBox = new RichTextBox();
88        richTextBox.Text = invoiceText;
89        richTextBox.SelectAll();
90        richTextBox.SelectionFont = new Font("Consolas", 10, FontStyle.Regular);
91
92        File.WriteAllText(invoiceOutputPath, richTextBox.Rtf);
93      } else if (invoiceFormat == PlainTextInvoiceFormat.TXT) {
94        invoiceOutputPath = string.Format("{0}_{1}_{2}.txt", invoice.InvoiceId, invoice.InvoiceDate.ToString("yyyMMdd"), "{CUSTOMER}");
95
96        File.WriteAllText(invoiceOutputPath, invoiceText);
97      } else if (invoiceFormat == PlainTextInvoiceFormat.PDF) {
98        throw new Exception("PDF invoice format is currently not supported");
99      }
100
101      return invoiceOutputPath;
102    }
103  }
104}
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