IW4M-Admin/Plugins/Stats/Helpers/StatsResourceQueryHelper.cs

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C#
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using Microsoft.EntityFrameworkCore;
using SharedLibraryCore.Helpers;
using SharedLibraryCore.Interfaces;
using Stats.Dtos;
using System;
using System.Linq;
using System.Threading.Tasks;
using Data.Abstractions;
using Data.Models.Client.Stats;
namespace Stats.Helpers
{
/// <summary>
/// implementation for IResourceQueryHelper
/// used to obtain client statistics information
/// </summary>
public class StatsResourceQueryHelper : IResourceQueryHelper<StatsInfoRequest, StatsInfoResult>
{
private readonly IDatabaseContextFactory _contextFactory;
public StatsResourceQueryHelper(IDatabaseContextFactory databaseContextFactory)
{
_contextFactory = databaseContextFactory;
}
/// <inheritdoc/>
public async Task<ResourceQueryHelperResult<StatsInfoResult>> QueryResource(StatsInfoRequest query)
{
var result = new ResourceQueryHelperResult<StatsInfoResult>();
await using var context = _contextFactory.CreateContext(enableTracking: false);
// we need to get the ratings separately because there's not explicit FK
var ratings = await context.Set<EFClientRatingHistory>()
.Where(_ratingHistory => _ratingHistory.ClientId == query.ClientId)
.SelectMany(_ratingHistory => _ratingHistory.Ratings.Where(_rating => _rating.ServerId != null && _rating.Newest)
.Select(_rating => new
{
_rating.ServerId,
_rating.Ranking,
_rating.When
}))
.ToListAsync();
var iqStats = context.Set<EFClientStatistics>()
.Where(_stats => _stats.ClientId == query.ClientId)
.Select(_stats => new StatsInfoResult
{
Name = _stats.Client.CurrentAlias.Name,
ServerId = _stats.ServerId,
Kills = _stats.Kills,
Deaths = _stats.Deaths,
Performance = Math.Round(_stats.EloRating * 1/3.0 + _stats.Skill * 2/3.0, 2),
ScorePerMinute = _stats.SPM,
LastPlayed = _stats.Client.LastConnection,
TotalSecondsPlayed = _stats.TimePlayed,
ServerGame = _stats.Server.GameName.ToString(),
ServerName = _stats.Server.HostName,
});
var queryResults = await iqStats.ToListAsync();
// add the rating query's results to the full query
foreach(var eachResult in queryResults)
{
var rating = ratings.FirstOrDefault(_rating => _rating.ServerId == eachResult.ServerId);
eachResult.Ranking = rating?.Ranking ?? 0;
eachResult.LastPlayed = rating?.When ?? eachResult.LastPlayed;
}
result.Results = queryResults;
result.RetrievedResultCount = queryResults.Count;
result.TotalResultCount = result.RetrievedResultCount;
return result;
}
}
}