GoldbergGUI/GoldbergGUI.Core/Services/SteamService.cs
2021-01-10 17:28:57 +01:00

251 lines
10 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Text.Json;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using AngleSharp.Dom;
using AngleSharp.Html.Parser;
using GoldbergGUI.Core.Models;
using GoldbergGUI.Core.Utils;
using MvvmCross.Logging;
using NinjaNye.SearchExtensions;
using SteamStorefrontAPI;
namespace GoldbergGUI.Core.Services
{
// gets info from steam api
public interface ISteamService
{
public Task Initialize(IMvxLog log);
public IEnumerable<SteamApp> GetListOfAppsByName(string name);
public SteamApp GetAppByName(string name);
public SteamApp GetAppById(int appid);
public Task<List<SteamApp>> GetListOfDlc(SteamApp steamApp, bool useSteamDb);
}
// ReSharper disable once UnusedType.Global
// ReSharper disable once ClassNeverInstantiated.Global
public class SteamService : ISteamService
{
// ReSharper disable StringLiteralTypo
private readonly List<(string filename, string uri, string type)> _caches = new List<(string, string, string)>
{
(
"steamapps.json",
"https://api.steampowered.com/ISteamApps/GetAppList/v2/",
null
),
(
"steamapps_games.json",
"https://api.steampowered.com/IStoreService/GetAppList/v1/?include_games=1&key=" +
Secrets.SteamWebApiKey(),
AppType.Game
),
(
"steamapps_dlc.json",
"https://api.steampowered.com/IStoreService/GetAppList/v1/?include_games=0&include_dlc=1&key=" +
Secrets.SteamWebApiKey(),
AppType.DLC
)
};
// ReSharper enable StringLiteralTypo
private static readonly Secrets Secrets = new Secrets();
private const string UserAgent =
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) " +
"Chrome/87.0.4280.88 Safari/537.36";
private HashSet<SteamApp> _cache = new HashSet<SteamApp>();
private IMvxLog _log;
public async Task Initialize(IMvxLog log)
{
var path = _caches.First().filename;
var uri = _caches.First().uri;
_log = log;
_log.Info("Updating cache...");
var updateNeeded = DateTime.Now.Subtract(File.GetLastWriteTimeUtc(path)).TotalDays >= 1;
var cacheString = await GetCache(updateNeeded, uri, path).ConfigureAwait(false);
SteamApps steamApps;
try
{
steamApps = JsonSerializer.Deserialize<SteamApps>(cacheString);
}
catch (JsonException)
{
cacheString = await GetCache(true, uri, path).ConfigureAwait(false);
steamApps = JsonSerializer.Deserialize<SteamApps>(cacheString);
}
_cache = new HashSet<SteamApp>(steamApps.AppList.Apps);
_log.Info("Loaded cache into memory!");
}
private async Task<string> GetCache(bool updateNeeded, string steamUri, string cachePath)
{
string cacheString;
if (updateNeeded)
{
_log.Info("Getting content from API...");
var client = new HttpClient();
var response = await client.GetAsync(steamUri).ConfigureAwait(false);
var responseBody = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
_log.Info("Got content from API successfully. Writing to file...");
await File.WriteAllTextAsync(cachePath, responseBody, Encoding.UTF8).ConfigureAwait(false);
_log.Info("Cache written to file successfully.");
cacheString = responseBody;
}
else
{
_log.Info("Cache already up to date!");
cacheString = await File.ReadAllTextAsync(cachePath).ConfigureAwait(false);
}
return cacheString;
}
public IEnumerable<SteamApp> GetListOfAppsByName(string name)
{
var listOfAppsByName = _cache.Search(x => x.Name)
.SetCulture(StringComparison.OrdinalIgnoreCase)
.ContainingAll(name.Split(' '));
return listOfAppsByName;
/*var filteredList = new HashSet<SteamApp>();
foreach (var steamApp in listOfAppsByName)
{
try
{
var task = AppDetails.GetAsync(steamApp.AppId);
var details = await task.ConfigureAwait(false);
if (details?.Type != null && details.Type == AppType.Game) filteredList.Add(steamApp);
}
catch (Exception e)
{
_log.Debug($"{e.GetType()}: {steamApp}");
}
}
return filteredList;*/
}
public SteamApp GetAppByName(string name)
{
_log.Info($"Trying to get app {name}");
var comparableName = Regex.Replace(name, Misc.SpecialCharsRegex, "").ToLower();
var app = _cache.FirstOrDefault(x => x.CompareName(comparableName));
if (app != null) _log.Info($"Successfully got app {app}");
return app;
}
public SteamApp GetAppById(int appid)
{
_log.Info($"Trying to get app with ID {appid}");
var app = _cache.FirstOrDefault(x => x.AppId.Equals(appid));
if (app != null) _log.Info($"Successfully got app {app}");
return app;
}
public async Task<List<SteamApp>> GetListOfDlc(SteamApp steamApp, bool useSteamDb)
{
_log.Info("Get DLC");
var dlcList = new List<SteamApp>();
if (steamApp != null)
{
var task = AppDetails.GetAsync(steamApp.AppId);
var steamAppDetails = await task.ConfigureAwait(true);
if (steamAppDetails.Type == AppType.Game)
{
steamAppDetails.DLC.ForEach(x =>
{
var result = _cache.FirstOrDefault(y => y.AppId.Equals(x)) ??
new SteamApp {AppId = x, Name = $"Unknown DLC {x}"};
dlcList.Add(result);
});
dlcList.ForEach(x => _log.Debug($"{x.AppId}={x.Name}"));
_log.Info("Got DLC successfully...");
// Get DLC from SteamDB
// Get Cloudflare cookie
// Scrape and parse HTML page
// Add missing to DLC list
if (useSteamDb)
{
var steamDbUri = new Uri($"https://steamdb.info/app/{steamApp.AppId}/dlc/");
/* var handler = new ClearanceHandler();
var client = new HttpClient(handler);
var content = client.GetStringAsync(steamDbUri).Result;
_log.Debug(content); */
var client = new HttpClient();
client.DefaultRequestHeaders.UserAgent.ParseAdd(UserAgent);
_log.Info("Get SteamDB App");
var httpCall = client.GetAsync(steamDbUri);
var response = await httpCall.ConfigureAwait(false);
_log.Debug(httpCall.Status.ToString());
_log.Debug(response.EnsureSuccessStatusCode().ToString());
var readAsStringAsync = response.Content.ReadAsStringAsync();
var responseBody = await readAsStringAsync.ConfigureAwait(false);
_log.Debug(readAsStringAsync.Status.ToString());
var parser = new HtmlParser();
var doc = parser.ParseDocument(responseBody);
// Console.WriteLine(doc.DocumentElement.OuterHtml);
var query1 = doc.QuerySelector("#dlc");
if (query1 != null)
{
var query2 = query1.QuerySelectorAll(".app");
foreach (var element in query2)
{
var dlcId = element.GetAttribute("data-appid");
var dlcName = $"Unknown DLC {dlcId}";
var query3 = element.QuerySelectorAll("td");
if (query3 != null) dlcName = query3[1].Text().Replace("\n", "").Trim();
var dlcApp = new SteamApp {AppId = Convert.ToInt32(dlcId), Name = dlcName};
var i = dlcList.FindIndex(x => x.AppId.Equals(dlcApp.AppId));
if (i > -1)
{
if (dlcList[i].Name.Contains("Unknown DLC")) dlcList[i] = dlcApp;
}
else
{
dlcList.Add(dlcApp);
}
}
dlcList.ForEach(x => _log.Debug($"{x.AppId}={x.Name}"));
_log.Info("Got DLC from SteamDB successfully...");
}
else
{
_log.Error("Could not get DLC from SteamDB!");
}
}
}
else
{
_log.Error("Could not get DLC: Steam App is not of type \"game\"");
}
}
else
{
_log.Error("Could not get DLC: Invalid Steam App");
}
return dlcList;
}
}
}