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Ombi/PlexRequests.Helpers/Analytics/Analytics.cs

241 lines
9.9 KiB

#region Copyright
// /************************************************************************
// Copyright (c) 2016 Jamie Rees
// File: Analytics.cs
// Created By: Jamie Rees
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// ************************************************************************/
#endregion
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using NLog;
using HttpUtility = Nancy.Helpers.HttpUtility;
namespace PlexRequests.Helpers.Analytics
{
public class Analytics : IAnalytics
{
private const string AnalyticsUri = "http://www.google-analytics.com/collect";
private const string RequestMethod = "POST";
private const string TrackingId = "UA-77083919-2";
private static Logger Log = LogManager.GetCurrentClassLogger();
public void TrackEvent(Category category, Action action, string label, string username, string clientId, int? value = null)
{
var cat = category.ToString();
var act = action.ToString();
Track(HitType.@event, username, cat, act, label, clientId, value);
}
public async Task TrackEventAsync(Category category, Action action, string label, string username, string clientId, int? value = null)
{
var cat = category.ToString();
var act = action.ToString();
await TrackAsync(HitType.@event, username, cat, act, clientId, label, value);
}
public void TrackPageview(Category category, Action action, string label, string username, string clientId, int? value = null)
{
var cat = category.ToString();
var act = action.ToString();
Track(HitType.@pageview, username, cat, act, clientId, label, value);
}
public async Task TrackPageviewAsync(Category category, Action action, string label, string username, string clientId, int? value = null)
{
var cat = category.ToString();
var act = action.ToString();
await TrackAsync(HitType.@pageview, username, cat, act, clientId, label, value);
}
public void TrackException(string message, string username, string clientId, bool fatal)
{
var fatalInt = fatal ? 1 : 0;
Track(HitType.exception, message, fatalInt, username, clientId);
}
public async Task TrackExceptionAsync(string message, string username, string clientId, bool fatal)
{
var fatalInt = fatal ? 1 : 0;
await TrackAsync(HitType.exception, message, fatalInt, username, clientId);
}
private void Track(HitType type, string username, string category, string action, string clientId, string label, int? value = null)
{
if (string.IsNullOrEmpty(category)) throw new ArgumentNullException(nameof(category));
if (string.IsNullOrEmpty(action)) throw new ArgumentNullException(nameof(action));
var postData = BuildRequestData(type, username, category, action, clientId, label, value, null, null);
var postDataString = postData
.Aggregate("", (data, next) => string.Format($"{data}&{next.Key}={HttpUtility.UrlEncode(next.Value)}"))
.TrimEnd('&');
SendRequest(postDataString);
}
private async Task TrackAsync(HitType type, string username, string category, string action, string clientId, string label, int? value = null)
{
if (string.IsNullOrEmpty(category)) throw new ArgumentNullException(nameof(category));
if (string.IsNullOrEmpty(action)) throw new ArgumentNullException(nameof(action));
var postData = BuildRequestData(type, username, category, action, clientId, label, value, null, null);
var postDataString = postData
.Aggregate("", (data, next) => string.Format($"{data}&{next.Key}={HttpUtility.UrlEncode(next.Value)}"))
.TrimEnd('&');
await SendRequestAsync(postDataString);
}
private async Task TrackAsync(HitType type, string message, int fatal, string username, string clientId)
{
if (string.IsNullOrEmpty(message)) throw new ArgumentNullException(nameof(message));
var postData = BuildRequestData(type, username, null, null, null, clientId, null, message, fatal);
var postDataString = postData
.Aggregate("", (data, next) => string.Format($"{data}&{next.Key}={HttpUtility.UrlEncode(next.Value)}"))
.TrimEnd('&');
await SendRequestAsync(postDataString);
}
private void Track(HitType type, string message, int fatal, string username, string clientId)
{
if (string.IsNullOrEmpty(message)) throw new ArgumentNullException(nameof(message));
if (string.IsNullOrEmpty(username)) throw new ArgumentNullException(nameof(username));
var postData = BuildRequestData(type, username, null, null, null, clientId, null, message, fatal);
var postDataString = postData
.Aggregate("", (data, next) => string.Format($"{data}&{next.Key}={HttpUtility.UrlEncode(next.Value)}"))
.TrimEnd('&');
SendRequest(postDataString);
}
private void SendRequest(string postDataString)
{
var request = (HttpWebRequest)WebRequest.Create(AnalyticsUri);
request.Method = RequestMethod;
// set the Content-Length header to the correct value
request.ContentLength = Encoding.UTF8.GetByteCount(postDataString);
// write the request body to the request
using (var writer = new StreamWriter(request.GetRequestStream()))
{
writer.Write(postDataString);
}
try
{
var webResponse = (HttpWebResponse)request.GetResponse();
if (webResponse.StatusCode != HttpStatusCode.OK)
{
throw new HttpException((int)webResponse.StatusCode, "Google Analytics tracking did not return OK 200");
}
}
catch (Exception ex)
{
Log.Error(ex, "Analytics tracking failed");
}
}
private async Task SendRequestAsync(string postDataString)
{
var request = (HttpWebRequest)WebRequest.Create(AnalyticsUri);
request.Method = RequestMethod;
// set the Content-Length header to the correct value
request.ContentLength = Encoding.UTF8.GetByteCount(postDataString);
// write the request body to the request
using (var writer = new StreamWriter(await request.GetRequestStreamAsync()))
{
await writer.WriteAsync(postDataString);
}
try
{
var webResponse = (HttpWebResponse)await request.GetResponseAsync();
if (webResponse.StatusCode != HttpStatusCode.OK)
{
throw new HttpException((int)webResponse.StatusCode, "Google Analytics tracking did not return OK 200");
}
}
catch (Exception ex)
{
Log.Error(ex, "Analytics tracking failed");
}
}
private Dictionary<string, string> BuildRequestData(HitType type, string username, string category, string action, string clientId, string label, int? value, string exceptionDescription, int? fatal)
{
var postData = new Dictionary<string, string>
{
{ "v", "1" },
{ "tid", TrackingId },
{ "t", type.ToString() }
};
if (!string.IsNullOrEmpty(username))
{
postData.Add("uid", username);
}
postData.Add("cid", !string.IsNullOrEmpty(clientId)
? clientId
: Guid.NewGuid().ToString());
if (!string.IsNullOrEmpty(label))
{
postData.Add("el", label);
}
if (value.HasValue)
{
postData.Add("ev", value.ToString());
}
if (!string.IsNullOrEmpty(category))
{
postData.Add("ec", category);
}
if (!string.IsNullOrEmpty(action))
{
postData.Add("ea", action);
}
if (!string.IsNullOrEmpty(exceptionDescription))
{
postData.Add("exd", exceptionDescription);
}
if (fatal.HasValue)
{
postData.Add("exf", fatal.ToString());
}
return postData;
}
}
}