public async Task <IActionResult> Result(string search)
{
var amazon = new AmazonScraper();
var ebay = new EbayScraper();
var jLewis = new JohnLewisScraper();
Hashtable amazonResults;
Hashtable ebayResults;
Hashtable jLewisResults;
ViewBag.ProductDescription = search;
// scrape retailers
try
{
jLewisResults = await jLewis.ScrapePricesForProduct(search);
ebayResults = await ebay.ScrapePricesForProduct(search);
amazonResults = await amazon.ScrapePricesForProduct(search);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
// create new result
var result = new Result()
{
Date = DateTime.Now,
AmazonPrice = Convert.ToDouble(amazonResults["Formatted Price"]),
EbayPrice = Convert.ToDouble(ebayResults["Formatted Price"]),
JohnLewisPrice = Convert.ToDouble(jLewisResults["Formatted Price"]),
AmazonLink = amazonResults["Product Link"].ToString(),
AmazonHeading = amazonResults["Product Heading"].ToString(),
EbayLink = ebayResults["Product Link"].ToString(),
EbayHeading = ebayResults["Product Heading"].ToString(),
JohnLewisHeading = jLewisResults["Product Heading"].ToString(),
JohnLewisLink = jLewisResults["Product Link"].ToString(),
};
//create Saved Search
var savedSearch = new SavedSearch()
{
CreatedDate = DateTime.Now,
Description = search,
};
// create save search view model
var viewModel = new SaveSearchViewModel()
{
Result = result,
SavedSearch = savedSearch
};
return(View(viewModel));
}
public static async Task UpdateSearches()
{
Console.WriteLine("task started successfully");
using (var _context = new PriceTrackerContext())
{
var amazon = new AmazonScraper();
var ebay = new EbayScraper();
var jLewis = new JohnLewisScraper();
//get the saved searches
var savedSearches = _context.SavedSearch.OrderByDescending(x => x.CreatedDate).Include(x => x.Results).ToList();
foreach (var search in savedSearches)
{
Hashtable amazonResults;
Hashtable ebayResults;
Hashtable jLewisResults;
try
{
jLewisResults = await jLewis.ScrapePricesForProduct(search.Description);
ebayResults = await ebay.ScrapePricesForProduct(search.Description);
amazonResults = await amazon.ScrapePricesForProduct(search.Description);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
var result = new Result()
{
Date = DateTime.Now,
AmazonPrice = Convert.ToDouble(amazonResults["Formatted Price"]),
EbayPrice = Convert.ToDouble(ebayResults["Formatted Price"]),
JohnLewisPrice = Convert.ToDouble(jLewisResults["Formatted Price"]),
AmazonLink = amazonResults["Product Link"].ToString(),
AmazonHeading = amazonResults["Product Heading"].ToString(),
EbayLink = ebayResults["Product Link"].ToString(),
EbayHeading = ebayResults["Product Heading"].ToString(),
JohnLewisHeading = jLewisResults["Product Heading"].ToString(),
JohnLewisLink = jLewisResults["Product Link"].ToString(),
};
search.Results.Add(result);
await _context.SaveChangesAsync();
}
}
}
public async Task UpdateResults()
{
Console.WriteLine($"Update Task started at {DateTime.Now}");
using (var _context = new PriceTrackerContext())
{
var amazon = new AmazonScraper();
var ebay = new EbayScraper();
var jLewis = new JohnLewisScraper();
//get the saved searches
var savedSearches = _context.SavedSearch.OrderByDescending(x => x.CreatedDate).Include(x => x.Results).ToList();
if (savedSearches.Count != 0)
{
foreach (var search in savedSearches)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine($"scraping prices for search: {search.Description} , id {search.SavedSearchId}, created on: {search.CreatedDate}");
Console.ForegroundColor = ConsoleColor.Gray;
Hashtable amazonResults;
Hashtable ebayResults;
Hashtable jLewisResults;
try
{
jLewisResults = await jLewis.ScrapePricesForProduct(search.Description);
ebayResults = await ebay.ScrapePricesForProduct(search.Description);
amazonResults = await amazon.ScrapePricesForProduct(search.Description);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
var result = new Result()
{
Date = DateTime.Now,
AmazonPrice = Convert.ToDouble(amazonResults["Formatted Price"]),
EbayPrice = Convert.ToDouble(ebayResults["Formatted Price"]),
JohnLewisPrice = Convert.ToDouble(jLewisResults["Formatted Price"]),
AmazonLink = amazonResults["Product Link"].ToString(),
AmazonHeading = amazonResults["Product Heading"].ToString(),
EbayLink = ebayResults["Product Link"].ToString(),
EbayHeading = ebayResults["Product Heading"].ToString(),
JohnLewisHeading = jLewisResults["Product Heading"].ToString(),
JohnLewisLink = jLewisResults["Product Link"].ToString(),
};
//get the latest result for this saved search
var currentSearchResult = search.Results.OrderByDescending(x => x.Date).FirstOrDefault();
search.Results.Add(result);
await _context.SaveChangesAsync();
// compare the prices here
var emailBody = ComparePrices(result, currentSearchResult);
if (!string.IsNullOrEmpty(emailBody))
{
Console.WriteLine(SendNotificationEmail(emailBody));
}
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("completed ");
Console.ForegroundColor = ConsoleColor.Gray;
}
}
else
{
Console.WriteLine("No Saved Searches to update");
}
}
Console.WriteLine($"Update Task completed successfully at {DateTime.Now}");
}