/// <summary>
/// Searches for a tutorial or the FAQ
/// </summary>
/// <param name="searchSeries">What series to search</param>
/// <param name="searchTerm">What term to search</param>
/// <param name="isPrivate">Was this invoked from a DM?</param>
/// <returns>Returns a 2D list of strings</returns>
public async Task <List <List <string> > > Search(string searchSeries, string searchTerm, bool isPrivate)
{
var foundData = new ImmutableArray <SearchDataResult>();
List <List <string> > listResults = new List <List <string> >();
//Let's us search on multiple terms at a time
string[] searchTermArray = searchTerm.Split(' ');
//Did we search FAQ?
if (searchSeries.ToLower() == "faq" || searchSeries.ToLower() == "f" || searchSeries.ToLower() == "7")
{
return(SearchFaq(searchTerm, isPrivate));
}
switch (searchSeries)
{
case "v2series":
case "v2":
case "1":
foundData = await DataBaseUtil.GetTutorialsAsync(searchTermArray, "v2");
break;
case "csgobootcamp":
case "bc":
case "2":
foundData = await DataBaseUtil.GetTutorialsAsync(searchTermArray, "bc");
break;
case "3dsmax":
case "3ds":
case "3":
foundData = await DataBaseUtil.GetTutorialsAsync(searchTermArray, "3ds");
break;
case "writtentutorials":
case "written":
case "4":
foundData = await DataBaseUtil.GetTutorialsAsync(searchTermArray, "written");
break;
case "legacyseries":
case "v1":
case "lg":
case "5":
foundData = await DataBaseUtil.GetTutorialsAsync(searchTermArray, "lg");
break;
case "hammertroubleshooting":
case "ht":
case "6":
case "misc":
foundData = await DataBaseUtil.GetTutorialsAsync(searchTermArray, "ht");
break;
case "all":
foundData = await DataBaseUtil.GetTutorialsAsync(searchTermArray, "all");
break;
default:
//do nothing
break;
}
//Process each result that was located
foreach (var result in foundData)
{
List <string> singleResult = new List <string>();
//Limit to 3 FAQ results.
//Then let's add another one with a direct link to the page. Only limit for non-DM
if (listResults.Count >= 2 && searchSeries == "all" && !isPrivate)
{
singleResult.Clear();
singleResult.Add(@"View All Tutorials");
singleResult.Add("https://www.tophattwaffle.com/tutorials/");
singleResult.Add(@"There are more results than I can display without flooding chat. [Consider viewing all tutorials](https://www.tophattwaffle.com/tutorials/), or do a search without `all`. If you DM me your search the results won't be limited.");
singleResult.Add(null);
listResults.Add(singleResult);
break;
}
//Create a HTML client so we can get info about the link
HtmlWeb htmlWeb = new HtmlWeb();
HtmlDocument htmlDocument = htmlWeb.Load(result.url);
string title = null;
//Processing for non-YouTube URLs
if (!result.url.Contains("youtube"))
{
//Get the page title
title = (from x in htmlDocument.DocumentNode.Descendants()
where x.Name.ToLower() == "title"
select x.InnerText).FirstOrDefault();
}
//Processing for YouTube URLs
else if (result.url.ToLower().Contains("youtube"))
{
title = GetYouTubeTitle(result.url);
}
string description = null;
//Get article content, this is by ID. Only works for my site.
if (result.url.ToLower().Contains("tophattwaffle"))
{
description = htmlDocument.GetElementbyId("content-area").InnerText;
}
else if (result.url.ToLower().Contains("youtube"))
{
description = result.url;
}
//Only if not Null - Fix the bad characters that get pulled from the web page.
description = description?.Replace(@"–", "-").Replace("\n", "").Replace(@"“", "\"").Replace(@"”", "\"").Replace(@"’", "'");
title = title?.Replace(@"–", "-").Replace("\n", "").Replace(" | TopHATTwaffle", "").Replace(@"“", "\"").Replace(@"”", "\"").Replace(@"’", "'");
//Limit length if needed
if (description != null && description.Length >= 250)
{
description = description.Substring(0, 250) + "...";
}
//Get images on the page
List <string> imgs = null;
if (!result.url.ToLower().Contains("youtube"))
{
imgs = (from x in htmlDocument.DocumentNode.Descendants()
where x.Name.ToLower() == "img"
select x.Attributes["src"].Value).ToList <string>();
}
//Set image to the first non-header image if it exists.
string finalImg = "https://www.tophattwaffle.com/wp-content/uploads/2017/11/1024_png-300x300.png";
if (imgs != null && imgs.Count > 1)
{
finalImg = imgs[_random.Next(0, imgs.Count)];
}
if (result.url.Contains("youtube"))
{
finalImg = GetYouTubeImage(result.url);
}
//Add results to list
singleResult.Add(title);
singleResult.Add(result.url);
singleResult.Add(description);
singleResult.Add(finalImg);
listResults.Add(singleResult);
}
return(listResults);
}
