public GetProductAPIContract UpdateProductDetails(UpdateProductAPIArgs args, HttpRequestMessage request, string baseRequestUri)
{
DynamoDBTracer.Tracer.Write(string.Format("UpdateProductDetails called. Args: {0}", args), "Verbose");
this.CheckAndUpdateDoSLimits(request, args.EmailId);
ProductCatalogEntity catalogEntity = ValidateAndGetEntityFromArgs(args);
var offers = AmazonProductHelper.GetOffers(args.ProductASIN, args.ProductRegion.ToString());
var offersSummary = offers.Items.FirstOrDefault().Item.FirstOrDefault().OfferSummary;
string price = offersSummary.LowestNewPrice.Amount;
catalogEntity.InitialPrice = (double.Parse(price) / 100).ToString();
catalogEntity.CurrencyCode = offersSummary.LowestNewPrice.CurrencyCode;
var catalogProvider = PriceUpdateContext.Instance.CatalogFactory.GetProductCatalogProvider();
catalogProvider.UpdateProduct(catalogEntity);
DynamoDBTracer.Tracer.Write(string.Format("Catalog update succeeded. Args: {0}", args), "Verbose");
GetProductAPIArgs getArgs = new GetProductAPIArgs
{
ProductASIN = args.ProductASIN,
ProductRegion = args.ProductRegion,
};
var productDetails = this.GetProductDetails(getArgs, request);
productDetails.CurrentPrice = catalogEntity.InitialPrice;
productDetails.CurrencyCode = catalogEntity.CurrencyCode;
productDetails.AmazonUrl = AmazonProductAPIWrapper.AmazonProductAPIConstants.RegionMapping[args.ProductRegion];
productDetails.EmailId = catalogEntity.EmailId;
return(productDetails);
//Start a background task to send confirmation email
//Task.Factory.StartNew(() => SendConfirmationMail(args, baseRequestUri), TaskCreationOptions.None);
}
private static void AddItemToEmail(Dictionary <string, List <ProductEmailDetails> > emailsToSend, ProductCatalogEntity product)
{
var itemDetail = AmazonProductHelper.GetItemDetails(product.ASIN, product.Country);
string itemName = itemDetail.Items.FirstOrDefault().Item.FirstOrDefault().ItemAttributes.Title;
var cartDetail = AmazonProductHelper.GetCartDetails(product.ASIN, product.Country);
string cartUrl = cartDetail.Cart.FirstOrDefault().PurchaseURL;
const string htmlATag = @"<a href={0}>Click here to buy!</a>";
ProductEmailDetails emailDetails = new ProductEmailDetails
{
ProductName = itemName,
CurrentPrice = product.CurrentPrice,
InitialPrice = product.InitialPrice,
ProductPurchaseLink = string.Format(htmlATag, cartUrl)
};
if (!emailsToSend.ContainsKey(product.EmailId))
{
emailsToSend.Add(product.EmailId, new List <ProductEmailDetails> {
emailDetails
});
}
else
{
emailsToSend[product.EmailId].Add(emailDetails);
}
}
public GetProductAPIContract GetProductDetails(GetProductAPIArgs args, HttpRequestMessage request)
{
DynamoDBTracer.Tracer.Write(string.Format("GetProductDetails called. Args: {0}", args), "Verbose");
this.CheckAndUpdateDoSLimits(request, "GetProductCall");
ItemLookupResponse itemResponse = AmazonProductHelper.GetItemDetails(args.ProductASIN, args.ProductRegion.ToString());
var item = itemResponse.Items.FirstOrDefault().Item.FirstOrDefault();
GetProductAPIContract apiContract = new GetProductAPIContract
{
ProductASIN = item.ASIN,
ProductName = item.ItemAttributes.Title,
ProductRegion = args.ProductRegion
};
DynamoDBTracer.Tracer.Write(string.Format("GetProductDetails succeeded. Args: {0}", args), "Verbose");
return(apiContract);
}
public void CheckPriceAndSendMail(string admindEmailId)
{
try
{
//EmailManagerContext.Instance.SendHtmlEmail(admindEmailId, "Periodic task started successfully", "Start time " + DateTime.UtcNow);
this.SendPeriodicStatusMail("Periodic Task Started", "Start time " + DateTime.UtcNow, admindEmailId);
var catalogProvider = PriceUpdateContext.Instance.CatalogFactory.GetProductCatalogProvider();
var allProducts = catalogProvider.GetProducts();
Dictionary <string, List <ProductEmailDetails> > emailsToSend = new Dictionary <string, List <ProductEmailDetails> >();
DateTime todayDate = DateTime.UtcNow.Date;
DayOfWeek day = todayDate.DayOfWeek;
List <ProductCatalogEntity> entitiesToUpdate = new List <ProductCatalogEntity>();
foreach (ProductCatalogEntity product in allProducts)
{
try
{
if (product.IsConfirmed == false)
{
continue;
}
if (product.ToEmailOnPrice && todayDate <= product.EmailOnPriceDuration)
{
//Check if last emailed on is not null
//GetPrice
//If price is lower than specifie add to email. Mark Email sent on
//Check if duration is passed and delete
var offers = AmazonProductHelper.GetOffers(product.ASIN, product.Country);
double itemPrice = double.Parse(offers.Items.FirstOrDefault().Item.FirstOrDefault().OfferSummary.LowestNewPrice.Amount);
itemPrice = itemPrice / 100;
double priceToEmail = double.Parse(product.PriceToEmail);
if (itemPrice <= priceToEmail)
{
product.CurrentPrice = Convert.ToString(itemPrice);
AddItemToEmail(emailsToSend, product);
product.EmailSentOn = todayDate;
product.ToEmailOnPrice = false;
entitiesToUpdate.Add(product);
}
}
if (product.ToEmailEveryWeek && todayDate <= product.EmailEveryWeekDuration)
{
DayOfWeek dayToEmail = (DayOfWeek)Enum.Parse(typeof(DayOfWeek), product.DayToEmail);
if (dayToEmail == day)
{
AddItemToEmail(emailsToSend, product);
}
}
if (product.ToEmailOnDate && todayDate == product.DateToEmail)
{
AddItemToEmail(emailsToSend, product);
}
//If the duration has passed, delete it
if (todayDate > product.EmailEveryWeekDuration && product.EmailEveryWeekDuration != DateTime.MinValue)
{
product.ToEmailEveryWeek = false;
entitiesToUpdate.Add(product);
}
if (todayDate > product.EmailOnPriceDuration && product.EmailOnPriceDuration != DateTime.MinValue)
{
product.ToEmailOnPrice = false;
entitiesToUpdate.Add(product);
}
}
catch (Exception ex)
{
this.SendPeriodicStatusMail("Failed processing product object " + product.ASIN, ex.Message, admindEmailId);
continue;
}
}
//Send all emails
foreach (var emailId in emailsToSend.Keys)
{
//Figure out a way to fix this
MailMessage mailToSend = ProductEmailHelper.ProductHtmlMailContent(emailsToSend[emailId], AmazonProductAPIContext.Regions.IN);
string subject = "Price updates for your products!";
mailToSend.To.Add(emailId);
mailToSend.Subject = subject;
mailToSend.SubjectEncoding = Encoding.UTF8;
EmailManagerContext.Instance.SendHtmlEmail(mailToSend);
}
//After all mails are sent
entitiesToUpdate.ForEach(entity => catalogProvider.UpdateProduct(entity));
}
catch (Exception ex)
{
this.SendPeriodicStatusMail("Periodic Task Failed", ex.Message, admindEmailId);
}
this.SendPeriodicStatusMail("Periodic Task Finished", "Finish time " + DateTime.UtcNow, admindEmailId);
}
