Creado apartir del commit b888de6c92056de294456f581a56e25e734d4ab7 de develop
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jrojas
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using adas_core.Domain.Enums;
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using adas_core.Domain.Models;
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using adas_core.Domain.Utils;
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using HtmlAgilityPack;
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using Serilog;
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namespace adas_core.module.LightBeacons.Devices;
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public class Turktbens2LightBeacon : LightBeacon
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{
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private readonly HttpClient _client;
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private readonly int _code = 75;
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private readonly bool _emulate;
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private readonly ILogger _logger;
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private readonly string _password = "password";
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private readonly int _port = 1;
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private readonly Dictionary<int, int[]> _portMappings = new()
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{
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{ 1, [0, 1] },
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{ 2, [2, 3] },
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{ 3, [4, 5] },
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{ 4, [6, 7] }
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};
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private readonly Dictionary<int, string[]> _ports = new()
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{
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{ 1, ["|1|1|1|2", "|12|0|1|0", "|1|0|1|2"] },
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{ 2, ["|1|3|1|2", "|12|1|1|0", "|1|2|1|2"] },
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{ 3, ["|1|5|1|2", "|12|2|1|0", "|1|4|1|2"] },
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{ 4, ["|1|7|1|2", "|12|3|1|0", "|1|6|1|2"] }
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};
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private readonly int _timeout = 30;
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private readonly string _url;
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public Turktbens2LightBeacon(EquatableDictionary<string, object> options) : base(options)
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{
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_logger = Log.ForContext<Turktbens2LightBeacon>();
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if (options == null) throw new ArgumentException("TURKTBENS2Beacon has no options");
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if (!options.TryGetValue("url", out var url))
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throw new ArgumentException("TURKTBENS2Beacon has no valid url option");
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if (url == null) throw new ArgumentException("TURKTBENS2Beacon has no valid url option");
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_url = url.ToString()!;
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if (options.TryGetValue("password", out var password)) _password = password.ToString() ?? "password";
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if (options.TryGetValue("port", out var port)) _port = Convert.ToInt32(port);
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if (options.TryGetValue("timeout", out var timeout)) _timeout = Convert.ToInt32(timeout);
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if (options.TryGetValue("code", out var code)) _code = Convert.ToInt32(code);
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if (options.TryGetValue("emulate", out var emulate)) _emulate = Convert.ToBoolean(emulate);
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_client = new HttpClient
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{
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Timeout = TimeSpan.FromSeconds(_timeout)
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};
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}
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/// <summary>
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/// GetByCodeSysAndCode beacon color downloading the html of the web. and using AgilityPackHtml to access.
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/// The web is bugged and sometimes you are logged or not. The information is in two urls, the color is formed by 3
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/// bits, Vaux html changes if logged/not logged
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/// returns OFF when some error appears or try to parse the bits to BalizaColors enum
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/// </summary>
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/// <returns></returns>
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public override async Task<LightBeaconColor> GetBeaconColor()
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{
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if (_emulate)
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return LightBeaconColor.Off;
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var httpClient = new HttpClient();
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try
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{
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//we dont need to login to check status
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var vauxValue = 0;
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var output1Value = 0;
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var output2Value = 0;
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var outputUri = new Uri($"{_url}/IO01_03.html");
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var vauxUri = new Uri($"{_url}/IO12_03.html");
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var outputs = await httpClient.GetAsync(outputUri);
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var vauxs = await httpClient.GetAsync(vauxUri);
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if (!outputs.IsSuccessStatusCode || !vauxs.IsSuccessStatusCode)
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return LightBeaconColor.Off;
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var outputsHtml = new HtmlDocument();
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outputsHtml.LoadHtml(await outputs.Content.ReadAsStringAsync());
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var vauxHtml = new HtmlDocument();
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vauxHtml.LoadHtml(await vauxs.Content.ReadAsStringAsync());
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//GetByCodeSysAndCode Vaux info from vauxUri can be on off and we translate it to 0,1
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var trElements = vauxHtml.DocumentNode.SelectNodes("//tr");
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if (trElements == null || trElements.Count < _port)
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return LightBeaconColor.Off;
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var portNode = trElements[_port - 1];
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var tdNodes = portNode.SelectNodes(".//td");
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var vauxResult = tdNodes[1];
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switch (vauxResult.InnerText)
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{
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case "on":
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vauxValue = 1;
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break;
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//sometimes it display a select option when logged and other times its a label. this case is for option, take selected option
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case "offon":
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{
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var selected = vauxResult.SelectSingleNode("select").SelectSingleNode("option[@selected]");
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if (selected.InnerText.Equals("on")) vauxValue = 1;
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break;
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}
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}
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//GetByCodeSysAndCode outputs info
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var checkboxElements = outputsHtml.DocumentNode.SelectNodes("//input[@type='checkbox']");
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if (checkboxElements == null)
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return LightBeaconColor.Off;
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var portsParsed = _portMappings.TryGetValue(_port, out var mappedValues);
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if (!portsParsed) return LightBeaconColor.Off;
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var output1 = checkboxElements[mappedValues![0]];
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var output2 = checkboxElements[mappedValues[1]];
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if (output1.Attributes["checked"] != null) output1Value = 1;
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if (output2.Attributes["checked"] != null) output2Value = 1;
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var finalValue = $"{output2Value}{vauxValue}{output1Value}";
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var parsed = Enum.TryParse(finalValue, out LightBeaconColor parsedColor);
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return parsed ? parsedColor : LightBeaconColor.Off;
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}
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catch (Exception e)
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{
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_logger.Error(
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"Exception trying to get beacon color for beacon: {url} port: {port} ex: {eMessage}, trace: {eStackTrace}",
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_url, _port, e.Message, e.StackTrace);
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return LightBeaconColor.Off;
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}
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finally
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{
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httpClient.Dispose();
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}
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}
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public override async Task BlueCode()
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{
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try
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{
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await Send(ColorsCodes.Blue);
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}
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catch (Exception e)
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{
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_logger.Error("An error occurred while sending the Blue code: {Message}", e.Message);
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throw;
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}
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}
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public override async Task RedCode()
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{
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try
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{
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await Send(ColorsCodes.Red);
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}
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catch (Exception e)
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{
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_logger.Error("An error occurred while sending the Red code: {Message}", e.Message);
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throw;
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}
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}
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public override async Task YellowCode()
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{
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try
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{
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await Send(ColorsCodes.Yellow);
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}
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catch (Exception e)
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{
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_logger.Error("An error occurred while sending the Yellow code: {Message}", e.Message);
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throw;
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}
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}
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public override async Task PowerOffLed()
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{
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try
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{
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await Send(ColorsCodes.Off);
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}
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catch (Exception e)
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{
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_logger.Error("An error occurred while sending the power off code: {Message}", e.Message);
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throw;
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}
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}
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public override Task GenerateColorAlert(PatientObservation obs)
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{
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throw new NotImplementedException();
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}
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private async Task Send(ColorsCodes colorCodes)
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{
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var clr = ((int)colorCodes).ToString().PadLeft(3, '0');
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var passwordEncoded = Uri.EscapeDataString(_password);
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var body = new Dictionary<string, string>
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{
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{ "access_password", passwordEncoded },
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{ _code + _ports[_port][0], clr[0].ToString() },
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{ _code + _ports[_port][1], clr[1].ToString() },
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{ _code + _ports[_port][2], clr[2].ToString() }
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};
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if (!_emulate)
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try
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{
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await SendMessage(body);
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}
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catch (Exception e)
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{
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_logger.Error("Failed to send color codes: {errorMessage}", e.Message);
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throw;
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}
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}
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protected async Task SendMessage(Dictionary<string, string> body)
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{
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if (string.IsNullOrEmpty(_url)) throw new InvalidOperationException("URL is not set.");
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var retryCount = 0;
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const int maxRetries = 3; // Número máximo de intentos
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var delayMilliseconds = 500; // Tiempo de espera inicial entre reintentos
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while (retryCount < maxRetries)
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try
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{
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var uri = new Uri(_url);
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var content = new FormUrlEncodedContent(body);
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var b = await content.ReadAsStringAsync();
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_logger.Debug("Sending to {url} body {b}", _url, b);
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var response = await _client.PostAsync(uri, content);
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if (!response.IsSuccessStatusCode)
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throw new Exception(
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$"HTTP error: {response.StatusCode} while sending message to {_url} with body {b}");
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break;
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}
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catch (Exception e)
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{
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retryCount++;
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_logger.Warning(
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"Error sending to url: {url}, message: {eMessage}, stack trace: {eStackTrace}, attempt: {retryCount}",
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_url, e.Message, e.StackTrace, retryCount);
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if (retryCount >= maxRetries)
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{
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_logger.Error("Max retry attempts reached. Failing operation.");
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throw;
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}
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await Task.Delay(delayMilliseconds);
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delayMilliseconds *= 2; // Incrementa el tiempo de espera para cada reintento
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}
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}
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private enum ColorsCodes
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{
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Off = 000,
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Red = 001,
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Yellow = 011,
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Green = 010,
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Cyan = 110,
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Blue = 100,
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Magenta = 101,
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White = 111
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}
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}
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