/// <summary>
/// Map the constituant address. If the first constituent has a lat and long DONT run all constituents through the API.
/// Otherwise run through API to establish initial lat and long.
/// </summary>
/// <returns>json object list of Latitudes and Longitudes</returns>
public JsonResult MapAddresses()
{
Geolocation geo = new Geolocation();
var constituents = unitOfWork.Constituents.GetConstituents();
List <string[]> locations = new List <string[]> {
};
if (constituents.FirstOrDefault().Latitude != null && constituents.FirstOrDefault().Longitude != null)
{
foreach (var item in constituents)
{
locations.Add(item.getLocation());
}
}
else
{
foreach (var item in constituents)
{
// Pass the address string to the API
geo.GetGeocode(item.getFullAddress());
// Assign resulting values to the constituents column
item.Latitude = System.Convert.ToDecimal(geo.Latitude);
item.Longitude = System.Convert.ToDecimal(geo.Longitude);
// Pass the values to the jsonobject
locations.Add(item.getLocation());
}
}
unitOfWork.Complete();
return(Json(locations, JsonRequestBehavior.AllowGet));
}
public ActionResult ApproveConstituentChanges(int?id)
{
// Make sure the model is in a valid state before trying to do anything with it
if (id != null)
{
// Find the entry for this Constituent in the master Constituent table
Constituent original = unitOfWork.Constituents.Find(x => x.ConstituentID == id).FirstOrDefault();
// Find the entry for this Constituent in the proposed changes table
ProposedConstituentsChanges proposedChanges = unitOfWork.Changes.Find(x => x.ConstituentID == id).FirstOrDefault();
// If we found an entry, update the values
if (original != null)
{
// Calculate their latitude and longitude if the primary address changed
if (original.PreferredAddressLine1 != proposedChanges.PreferredAddressLine1)
{
Geolocation geo = new Geolocation();
geo.GetGeocode(proposedChanges.getFullAddress());
original.Latitude = Convert.ToDecimal(geo.Latitude);
original.Longitude = Convert.ToDecimal(geo.Longitude);
}
// Update the original values with the changes
unitOfWork.Entry(original).CurrentValues.SetValues(proposedChanges);
// Remove the entry associated with this Constituent from the proposed changes table
unitOfWork.Changes.Remove(proposedChanges);
// Save the changes to the database
unitOfWork.Complete();
// Success - return the view containing proposed changes
return(RedirectToAction("ReviewProposedConstituentChanges"));
}
}
// If we get this far, something went wrong -- return the 'Error' view
return(View("Error"));
}
public ActionResult New([Bind(Exclude = "ConstituentID")] Constituent constituent)
{
if (ModelState.IsValid)
{
// Determine what the current highest ID is, then increment by one
Constituent[] allConstituents = unitOfWork.Constituents.GetConstituents().OrderByDescending(x => x.ConstituentID).ToArray();
int newConstituentID = allConstituents[0].ConstituentID + 1;
// Use that number as the ID for this Constituent
constituent.ConstituentID = newConstituentID;
// Calculate their latitude and longitude
Geolocation geo = new Geolocation();
geo.GetGeocode(constituent.getFullAddress());
constituent.Latitude = Convert.ToDecimal(geo.Latitude);
constituent.Longitude = Convert.ToDecimal(geo.Longitude);
unitOfWork.Constituents.Add(constituent);
unitOfWork.Complete();
return(RedirectToAction("Index"));
}
return(View(constituent));
}
public JsonResult Import(HttpPostedFileBase file)
{
// Only proceed if the file isn't null and has content
if (file != null && file.ContentLength > 0)
{
// Restrict accepted file types to csv and CSV
var supportedTypes = new[] { "csv", "CSV" };
// Reject the file if it doesn't match the required type defined above
var fileExt = Path.GetExtension(file.FileName).Substring(1);
if (!supportedTypes.Contains(fileExt))
{
ViewBag.Message = "Invalid file type. Please select a CSV file.";
// Redirects the user back to the Constituents index page
return(Json(new { Success = false, Message = "Error: Invalid file type. Please select a CSV file." }));
}
// Set up the requirements for reading in the CSV file
CsvFileDescription csvFileDescription = new CsvFileDescription
{
SeparatorChar = ',',
FirstLineHasColumnNames = true
};
try
{
// Read the file into a stream reader, and then convert each entry into our Constituent model
CsvContext csvContext = new CsvContext();
StreamReader streamReader = new StreamReader(file.InputStream);
IEnumerable <Constituent> importList = csvContext.Read <Constituent>(streamReader, csvFileDescription);
// This loop iterates through each item in the importList object
// and either updates an existing record, or creates a new one
Geolocation geo = new Geolocation();
foreach (var constituent in importList)
{
// Check for an existing record with this ID
Constituent original = unitOfWork.Constituents.Find(x => x.ConstituentID == constituent.ConstituentID).FirstOrDefault();
if (original != null)
{
// If we found one, update the values //
// Calculate their latitude and longitude if the primary address changed
if (original.PreferredAddressLine1 != constituent.PreferredAddressLine1)
{
geo.GetGeocode(constituent.getFullAddress());
original.Latitude = Convert.ToDecimal(geo.Latitude);
original.Longitude = Convert.ToDecimal(geo.Longitude);
}
// Calculate their donation status
original.DonationStatus = CheckStatus(constituent);
// Add them to the database with the updated values
unitOfWork.Entry(original).CurrentValues.SetValues(constituent);
}
else
{
// Otherwise, create a new entry //
// Grab the ID
constituent.ConstituentID = constituent.ConstituentID;
// Calculate their latitude and longitude
geo.GetGeocode(constituent.getFullAddress());
constituent.Latitude = Convert.ToDecimal(geo.Latitude);
constituent.Longitude = Convert.ToDecimal(geo.Longitude);
// Calculate their donation status
constituent.DonationStatus = CheckStatus(constituent);
// Add them to the database
unitOfWork.Constituents.Add(constituent);
}
}
unitOfWork.Complete();
}
catch (DbEntityValidationException e)
{
foreach (var eve in e.EntityValidationErrors)
{
Console.WriteLine("Entity of type \"{0}\" in state \"{1}\" has the following validation errors:",
eve.Entry.Entity.GetType().Name, eve.Entry.State);
foreach (var ve in eve.ValidationErrors)
{
Console.WriteLine("- Property: \"{0}\", Error: \"{1}\"",
ve.PropertyName, ve.ErrorMessage);
}
}
throw;
}
// Saves the changes to the database and additions to the Constituents table and set the success message
//unitOfWork.Complete();
return(Json(new { Success = true, Message = "CSV File Was Successfully Imported!" }));
}
// If we got this far, something went wrong -- set the error message
return(Json(new { Success = false, Message = "Error: Import failed!" }));
}
