/// <summary>
/// Scrapes html page for image and text data
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public ActionResult Scrape(string url)
{
Scraper scraper = new Scraper(url);
if (scraper.Loaded)
{
scraper.Execute();
}
return(scraper.DocInfo != null
? View("~/Views/UrlScraper/Results.cshtml", scraper.DocInfo)
: null);
}
private static async Task Main(string[] args)
{
if (File.Exists(ConfigPath))
{
Xml.LoadConfig(ConfigPath);
}
string argInput;
try
{
argInput = args[0];
}
catch { argInput = null; }
string dmPath;
DirectoryInfo chatDir;
PathInput:
Console.Clear();
if (argInput == null)
{
Logger.Print("Path of files to be scraped: ", LogType.Info, false);
dmPath = Console.ReadLine();
}
else
{
dmPath = argInput;
}
if (!Directory.Exists(dmPath))
{
Console.Clear();
Logger.Print("Path was not found.", LogType.Error);
Thread.Sleep(1000);
goto PathInput;
}
else
{
chatDir = new DirectoryInfo(dmPath);
}
Console.Clear();
Logger.Print("Press any key to start downloading...", LogType.Info);
Console.Read();
var downloader = new Downloader();
_scraper = new Scraper(downloader, chatDir, dmPath);
await _scraper.Execute();
Console.WriteLine();
Logger.Print($"{DateTime.Now} | Finished scraping and downloading all links and files!", LogType.Info);
Console.ReadLine();
}
/// <summary>
/// main console start
/// </summary>
/// <param name="args"></param>
internal static void Main(string[] args)
{
//data map file
string dataMapFile = "";
//data output file
string dataOutFile = "";
//page download delay
int delay = 0;
Console.WriteLine("Welcome to Cidean's WebScraper.");
Console.WriteLine(LineDivider);
Console.WriteLine("Please use this application responsibly and respect all copyrighted material.");
try
{
//Check for command arguments, required for continuing
if (args.Length == 0)
{
throw new ArgumentNullException("No arguments set.");
}
//argument index for looping
int argsIndex = 0;
//grab command arguments and parameters
while (true)
{
switch (args[argsIndex].ToLower())
{
//data map file command
case "-m":
if (((args.Length) > (argsIndex)) && (!args[argsIndex + 1].StartsWith("-")))
{
dataMapFile = args[argsIndex + 1];
Console.WriteLine("Data Map File: " + dataMapFile);
argsIndex++;
}
break;
//data output file command
case "-o":
if (((args.Length) > (argsIndex)) && (!args[argsIndex + 1].StartsWith("-")))
{
dataOutFile = args[argsIndex + 1];
Console.WriteLine("Data Output File: " + dataOutFile);
argsIndex++;
}
break;
//delay between page downloads
case "-d":
if (((args.Length) > (argsIndex)) && (!args[argsIndex + 1].StartsWith("-")))
{
if (!int.TryParse(args[argsIndex + 1], out delay))
{
throw new ArgumentException("Delay is not an number.");
}
Console.WriteLine("Data Output File: " + dataOutFile);
argsIndex++;
}
break;
case "-r": //test: remove
break;
default:
//bad argument
throw new ArgumentException("Unknown argument " + args[argsIndex]);
}
argsIndex++;
//check if all arguments have been processed.
if (argsIndex >= args.Length)
{
break;
}
}
if (string.IsNullOrEmpty(dataMapFile) || string.IsNullOrEmpty(dataOutFile))
{
throw new ArgumentNullException("Missing Datamap file or Output file.");
}
//set file to relative path
dataMapFile = Path.Combine(baseDirectory, dataMapFile);
dataOutFile = Path.Combine(baseDirectory, dataOutFile);
//initialize web scraper and load data map
Scraper scraper = new Scraper();
scraper.LoggedEvent += Scraper_LoggedEvent;
scraper.Delay = delay;
//create datamap from xml file
DataMap map = DataMap.LoadFile(dataMapFile);
Console.WriteLine("Data map {0} loaded successfully.", dataMapFile);
//execute webscraping
scraper.Execute(map, Path.Combine(baseDirectory, dataOutFile));
}
catch (Exception ex)
{
//arguments didn't work out
Console.WriteLine(ex.Message);
Console.WriteLine("Exiting WebScraper Runner.");
Console.ReadKey();
return;
}
finally
{
//exit application
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
}
}
