public ActionResult Create([Bind(Include = "ID,CustomerID,Year,Quantity")] MeterReading meterReading)
{
if (ModelState.IsValid)
{
// check to ensure there is not already a reading for that customer and year
var readings = from c in db.MeterReadings
select c;
readings = readings.Where(s => s.CustomerID.Equals(meterReading.CustomerID));
if (readings.Where(t => t.Year.Equals(meterReading.Year)).Count() > 0)
{
return RedirectToAction("Index", new { error = "error" });
//return RedirectToAction("Index");
}
db.MeterReadings.Add(meterReading);
db.SaveChanges();
// generate invoice using usage
// rates are caled from Application state rather than querying DB
RatesObject rates = (RatesObject)HttpContext.Application["Rates"];
Invoice newInvoice = new Invoice();
newInvoice.CustomerID = meterReading.CustomerID;
newInvoice.Year = meterReading.Year;
// calculations of usage per band and subtotals; currently hardcoded for 5 bands
// calculation method based on spreadsheet sheet 2 billing rates, not 2013 data
if (meterReading.Quantity > 0 )
{
if (meterReading.Quantity >= rates.BandA)
{
newInvoice.QtyRateA = rates.BandA; // default 115
}
else
{
newInvoice.QtyRateA = meterReading.Quantity;
}
newInvoice.SubtotalA = newInvoice.QtyRateA * rates.RateA; //usually zero unless rate for Band A changes
}
if (meterReading.Quantity > rates.BandA)
{
if (meterReading.Quantity >= rates.BandB)
{
newInvoice.QtyRateB = rates.BandB - rates.BandA; // maximum for band B 400-115 = 285
}
else
{
newInvoice.QtyRateB = meterReading.Quantity - rates.BandA;
}
newInvoice.SubtotalB = newInvoice.QtyRateB * rates.RateB;
}
if (meterReading.Quantity > rates.BandB)
{
if (meterReading.Quantity >= rates.BandC)
{
newInvoice.QtyRateC = rates.BandC - rates.BandB; // 800-400 = 400
}
else
{
newInvoice.QtyRateC = meterReading.Quantity - rates.BandB;
}
newInvoice.SubtotalC = newInvoice.QtyRateC * rates.RateC;
}
if (meterReading.Quantity > rates.BandC)
{
if (meterReading.Quantity >= rates.BandD)
{
newInvoice.QtyRateD = rates.BandD - rates.BandC; // 1500-800 = 700
}
else
{
newInvoice.QtyRateD = meterReading.Quantity - rates.BandC;
}
newInvoice.SubtotalD = newInvoice.QtyRateD * rates.RateD;
}
if (meterReading.Quantity > rates.BandD)
{
newInvoice.QtyRateE = meterReading.Quantity - rates.BandD;
newInvoice.SubtotalE = newInvoice.QtyRateE * rates.RateE;
}
newInvoice.Total = newInvoice.SubtotalA + newInvoice.SubtotalB + newInvoice.SubtotalC + newInvoice.SubtotalD + newInvoice.SubtotalE;
newInvoice.GrandTotal = newInvoice.Total + newInvoice.Arrears;
db.Invoices.Add(newInvoice);
// create a new note
Note newNote = new Note();
newNote.CustomerID = meterReading.CustomerID;
newNote.NoteText = "Meter Reading added and Invoice Calculated at " + DateTime.Now + ".";
db.Notes.Add(newNote);
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.CustomerID = new SelectList(db.Customers, "ID", "FullName", meterReading.CustomerID);
return View(meterReading);
}
public async Task<ActionResult> Mail(int? id)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
Invoice invoice = db.Invoices.Find(id);
if (invoice == null)
{
return HttpNotFound();
}
Customer customer = db.Customers.Find(invoice.CustomerID);
var body = "<p>Email From: Meter Matters </p><p>Message: Dear " + customer.FirstName +", here is your invoice for " + invoice.Year + ".</p><p></p>";
var message = new MailMessage();
message.To.Add(new MailAddress(customer.Email));
message.From = new MailAddress("*****@*****.**");
message.Subject = "GWS Invoice Mailer";
message.Body = string.Format(body);
message.IsBodyHtml = true;
try
{
message.Attachments.Add(new Attachment(HttpContext.Server.MapPath("~/pdf/" + +customer.ID + customer.FullName + " Invoice " + invoice.Year + ".pdf")));
}
catch
{
//darn, there was an error, try creating invoice
try
{
bool pdfSuccess = MakePdfInvoice(invoice);
message.Attachments.Add(new Attachment(HttpContext.Server.MapPath("~/pdf/" + +customer.ID + customer.FullName + " Invoice " + invoice.Year + ".pdf")));
}
catch
{
//dammit, looks like we can't send the invoice
return RedirectToAction("Index", new { mail = "error" });
}
}
using (var smtp = new SmtpClient())
{
var credential = new NetworkCredential
{
UserName = "******",
Password = "******"
};
smtp.Credentials = credential;
smtp.Host = "smtp.gmail.com";
smtp.Port = 587;
smtp.EnableSsl = true;
await smtp.SendMailAsync(message);
// create a new note to record that email was sent
Note newNote = new Note();
newNote.CustomerID = customer.ID;
newNote.NoteText = "Invoice was issued to " + customer.FullName + " by email at " + DateTime.Now + ".";
db.Notes.Add(newNote);
db.SaveChanges();
}
return RedirectToAction("Index", new { mail = "mail" });
}
public ActionResult Edit([Bind(Include = "ID,CustomerID,Year,QtyRateA,QtyRateB,QtyRateC,QtyRateD,QtyRateE,SubtotalA,SubtotalB,SubtotalC,SubtotalD,SubtotalE,Total,Arrears,GrandTotal,AmountPaid")] Invoice invoice)
{
if (ModelState.IsValid)
{
if (invoice.GrandTotal == invoice.AmountPaid)
{
invoice._Paid = true;
// create a new note to record that invoice was paid
Customer customer = db.Customers.Find(invoice.CustomerID);
Note newNote = new Note();
newNote.CustomerID = customer.ID;
newNote.NoteText = "Invoice of " + customer.FullName + " for year " + invoice.Year + " has been paid in full.";
db.Notes.Add(newNote);
db.SaveChanges();
}
db.Entry(invoice).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.CustomerID = new SelectList(db.Customers, "ID", "LastName", invoice.CustomerID);
return View(invoice);
}
public ActionResult Create([Bind(Include = "ID,CustomerID,Year,Quantity")] MeterReading meterReading)
{
if (ModelState.IsValid)
{
// check to ensure there is not already a reading for that customer and year
var readings = from c in db.MeterReadings
select c;
readings = readings.Where(s => s.CustomerID.Equals(meterReading.CustomerID));
if (readings.Where(t => t.Year.Equals(meterReading.Year)).Count() > 0)
{
return RedirectToAction("Index", new { error = "error" });
//return RedirectToAction("Index");
}
db.MeterReadings.Add(meterReading);
db.SaveChanges();
// generate invoice using usage
CalculateInvoice(meterReading);
// create a new note
Note newNote = new Note();
newNote.CustomerID = meterReading.CustomerID;
newNote.NoteText = "Meter Reading of " + meterReading.Quantity + " added and Invoice Calculated at " + DateTime.Now + ".";
db.Notes.Add(newNote);
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.CustomerID = new SelectList(db.Customers, "ID", "FullName", meterReading.CustomerID);
return View(meterReading);
}
public ActionResult Edit([Bind(Include = "ID,CustomerID,Year,Quantity")] MeterReading meterReading)
{
if (ModelState.IsValid)
{
db.Entry(meterReading).State = EntityState.Modified;
db.SaveChanges();
// now that meterreadng has been edited, need to make a fresh invoice
// find previous invoice and delete
var invoices = from c in db.Invoices
select c;
invoices = invoices.Where(s => s.CustomerID.Equals(meterReading.CustomerID));
invoices = invoices.Where(t => t.Year.Equals(meterReading.Year));
foreach (var invoice in invoices)
{
db.Invoices.Remove(invoice);
}
db.SaveChanges();
//now create fresh invoice with updated reading
CalculateInvoice(meterReading);
// create a new note to record changes
Note newNote = new Note();
newNote.CustomerID = meterReading.CustomerID;
newNote.NoteText = "Meter Reading edited to " + meterReading.Quantity + " and fresh Invoice Calculated at " + DateTime.Now + ".";
db.Notes.Add(newNote);
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.CustomerID = new SelectList(db.Customers, "ID", "FullName", meterReading.CustomerID);
return View(meterReading);
}
public ActionResult DeleteConfirmed(int id)
{
MeterReading meterReading = db.MeterReadings.Find(id);
db.MeterReadings.Remove(meterReading);
db.SaveChanges();
// find invoice and delete
var invoices = from c in db.Invoices
select c;
invoices = invoices.Where(s => s.CustomerID.Equals(meterReading.CustomerID));
invoices = invoices.Where(t => t.Year.Equals(meterReading.Year));
foreach (var invoice in invoices)
{
db.Invoices.Remove(invoice);
}
db.SaveChanges();
// create a new note to record changes
Note newNote = new Note();
newNote.CustomerID = meterReading.CustomerID;
newNote.NoteText = "Meter Reading and associated Invoice deleted at " + DateTime.Now + ".";
db.Notes.Add(newNote);
db.SaveChanges();
return RedirectToAction("Index");
}