kbruen
/
new-infofer-scraper
1
0
Fork 0
Code Pull Requests Releases Activity
Browse Source

Add proxy and .NET 8 support

master
Kenneth Bruen 3 weeks ago
parent
9e680e3bb2
commit
1ddf80cb8c
Signed by: kbruen
GPG Key ID: C1980A470C3EE5B1
11 changed files with 130 additions and 65 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      ConsoleTest/ConsoleTest.csproj
  2. 6
      ConsoleTest/Program.cs
  3. 2
      scraper/scraper.csproj
  4. 57
      scraper/src/Scrapers/Route.cs
  5. 47
      scraper/src/Scrapers/Station.cs
  6. 36
      scraper/src/Scrapers/Train.cs
  7. 9
      server/Models/ProxySettings.cs
  8. 22
      server/Services/Implementations/DataManager.cs
  9. 5
      server/Startup.cs
  10. 7
      server/Utils/Constants.cs
  11. 2
      server/server.csproj

2
ConsoleTest/ConsoleTest.csproj
Unescape View File

@ -6,7 +6,7 @@
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFrameworks>net6.0;net7.0</TargetFrameworks>
<TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
</PropertyGroup>
</Project>

6
ConsoleTest/Program.cs
Unescape View File

@ -40,7 +40,7 @@ async Task PrintTrain() {
Console.WriteLine(
JsonSerializer.Serialize(
await TrainScraper.Scrape(trainNumber),
await new TrainScraper().Scrape(trainNumber),
new JsonSerializerOptions {
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
WriteIndented = true,
@ -58,7 +58,7 @@ async Task PrintStation() {
Console.WriteLine(
JsonSerializer.Serialize(
await StationScraper.Scrape(stationName),
await new StationScraper().Scrape(stationName),
new JsonSerializerOptions {
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
WriteIndented = true,
@ -74,7 +74,7 @@ async Task ScrapeItineraries() {
if (from == null || to == null) return;
var data = await RouteScraper.Scrape(from, to);
var data = await new RouteScraper().Scrape(from, to);
Console.WriteLine($"{data.Count} itineraries:");
Console.WriteLine();

2
scraper/scraper.csproj
Unescape View File

@ -2,7 +2,7 @@
<PropertyGroup>
<Nullable>enable</Nullable>
<TargetFrameworks>net6.0;net7.0</TargetFrameworks>
<TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
</PropertyGroup>
<ItemGroup>

57
scraper/src/Scrapers/Route.cs
Unescape View File

@ -16,20 +16,10 @@ using scraper.Models.Itinerary;
namespace InfoferScraper.Scrapers;
public static class RouteScraper {
public class RouteScraper {
private const string BaseUrl = "https://mersultrenurilor.infofer.ro/ro-RO/";
private static readonly DateTimeZone BucharestTz = DateTimeZoneProviders.Tzdb["Europe/Bucharest"];
private static readonly CookieContainer CookieContainer = new();
private static readonly HttpClient HttpClient = new(new HttpClientHandler {
CookieContainer = CookieContainer,
UseCookies = true,
}) {
BaseAddress = new Uri(BaseUrl),
DefaultRequestVersion = new Version(2, 0),
};
private static readonly Regex KmTrainRankNoRegex = new(@"^([0-9]+)\skm\scu\s([A-Z-]+)\s([0-9]+)$");
private static readonly Regex OperatorRegex = new(@$"^Operat\sde\s([{Utils.RoLetters}\s]+)$");
private static readonly Regex DepArrRegex = new(@"^(Ple|Sos)\s([0-9]+)\s([a-z]+)\.?\s([0-9]+):([0-9]+)$");
@ -49,7 +39,28 @@ public static class RouteScraper {
["dec"] = 12,
};
public static async Task<List<IItinerary>?> Scrape(string from, string to, DateTimeOffset? dateOverride = null) {
private readonly CookieContainer cookieContainer = new();
private readonly HttpClient httpClient;
public RouteScraper(HttpClientHandler? httpClientHandler = null) {
if (httpClientHandler == null) {
httpClientHandler = new HttpClientHandler {
CookieContainer = cookieContainer,
UseCookies = true,
};
}
else {
httpClientHandler.CookieContainer = cookieContainer;
httpClientHandler.UseCookies = true;
}
httpClient = new HttpClient(httpClientHandler) {
BaseAddress = new Uri(BaseUrl),
DefaultRequestVersion = new Version(2, 0),
};
}
public async Task<List<IItinerary>?> Scrape(string from, string to, DateTimeOffset? dateOverride = null) {
var dateOverrideInstant = dateOverride?.ToInstant().InZone(BucharestTz);
dateOverride = dateOverrideInstant?.ToDateTimeOffset();
TrainScrapeResult result = new();
@ -70,7 +81,7 @@ public static class RouteScraper {
firstUrl = firstUrl.SetQueryParam("BetweenTrainsMinimumMinutes", "5");
firstUrl = firstUrl.SetQueryParam("ChangeStationName", "");
var firstResponse = await HttpClient.GetStringAsync(firstUrl);
var firstResponse = await httpClient.GetStringAsync(firstUrl);
var firstDocument = await asContext.OpenAsync(req => req.Content(firstResponse));
var firstForm = firstDocument.GetElementById("form-search")!;
@ -80,7 +91,7 @@ public static class RouteScraper {
.ToDictionary(elem => elem.Name!, elem => elem.Value);
var secondUrl = "".AppendPathSegments("Itineraries", "GetItineraries");
var secondResponse = await HttpClient.PostAsync(
var secondResponse = await httpClient.PostAsync(
secondUrl,
#pragma warning disable CS8620
new FormUrlEncodedContent(firstResult)
@ -90,10 +101,10 @@ public static class RouteScraper {
var secondDocument = await asContext.OpenAsync(
req => req.Content(secondResponseContent)
);
var (itineraryInfoDiv, _) = secondDocument
.QuerySelectorAll("body > div");
if (itineraryInfoDiv == null) {
return null;
}
@ -103,7 +114,7 @@ public static class RouteScraper {
var itineraries = new List<IItinerary>();
foreach (var itineraryLi in itinerariesLi) {
var itinerary = new Itinerary();
var cardDivs = itineraryLi.QuerySelectorAll(":scope > div > div > div > div");
var detailsDivs = cardDivs.Last()
.QuerySelectorAll(":scope > div > div")[1]
@ -127,7 +138,7 @@ public static class RouteScraper {
// Detail
var detailColumns = li.QuerySelectorAll(":scope > div > div");
var leftSideDivs = detailColumns[0].QuerySelectorAll(":scope > div");
var departureDateText = leftSideDivs[0]
.QuerySelectorAll(":scope > div")[1]
.Text()
@ -144,7 +155,7 @@ public static class RouteScraper {
if (departureDate < now.PlusDays(-1)) {
departureDate = departureDate.PlusYears(1);
}
var arrivalDateText = leftSideDivs[3]
.QuerySelectorAll(":scope > div")[1]
.Text()
@ -168,7 +179,7 @@ public static class RouteScraper {
.Text()
.WithCollapsedSpaces();
var kmRankNumberMatch = KmTrainRankNoRegex.Match(kmRankNumberText);
var operatorText = rightSideDivs[0]
.QuerySelectorAll(":scope > div > div")[1]
.Text()
@ -191,7 +202,7 @@ public static class RouteScraper {
if (text == "Nu sunt stații intermediare.") continue;
train.AddIntermediateStop(div.Text().WithCollapsedSpaces());
}
details.Add(train);
}
}
@ -200,10 +211,10 @@ public static class RouteScraper {
detail.To = iTo;
itinerary.AddTrain(detail);
}
itineraries.Add(itinerary);
}
return itineraries;
}
}
}

47
scraper/src/Scrapers/Station.cs
Unescape View File

@ -14,7 +14,7 @@ using NodaTime;
using NodaTime.Extensions;
namespace InfoferScraper.Scrapers {
public static class StationScraper {
public class StationScraper {
private static readonly Regex StationInfoRegex = new($@"^([{Utils.RoLetters}.0-9 ]+)\sîn\s([0-9.]+)$");
private static readonly Regex StoppingTimeRegex = new(
@ -28,25 +28,36 @@ namespace InfoferScraper.Scrapers {
private static readonly Regex PlatformRegex = new(@"^linia\s([A-Za-z0-9]+)$");
private static readonly Regex TrainUrlDateRegex = new(@"Date=([0-9]{2}).([0-9]{2}).([0-9]{4})");
private static readonly DateTimeZone BucharestTz = DateTimeZoneProviders.Tzdb["Europe/Bucharest"];
private const string BaseUrl = "https://mersultrenurilor.infofer.ro/ro-RO/";
private static readonly CookieContainer CookieContainer = new();
private readonly CookieContainer cookieContainer = new();
private readonly HttpClient httpClient;
private static readonly HttpClient HttpClient = new(new HttpClientHandler {
CookieContainer = CookieContainer,
UseCookies = true,
}) {
BaseAddress = new Uri(BaseUrl),
DefaultRequestVersion = new Version(2, 0),
};
public StationScraper(HttpClientHandler? httpClientHandler = null) {
if (httpClientHandler == null) {
httpClientHandler = new HttpClientHandler {
CookieContainer = cookieContainer,
UseCookies = true,
};
}
else {
httpClientHandler.CookieContainer = cookieContainer;
httpClientHandler.UseCookies = true;
}
httpClient = new HttpClient(httpClientHandler) {
BaseAddress = new Uri(BaseUrl),
DefaultRequestVersion = new Version(2, 0),
};
}
public static async Task<IStationScrapeResult> Scrape(string stationName, DateTimeOffset? date = null) {
public async Task<IStationScrapeResult> Scrape(string stationName, DateTimeOffset? date = null) {
var dateInstant = date?.ToInstant().InZone(BucharestTz);
date = dateInstant?.ToDateTimeOffset();
stationName = stationName.RoLettersToEn();
var result = new StationScrapeResult();
@ -59,7 +70,7 @@ namespace InfoferScraper.Scrapers {
if (date != null) {
firstUrl = firstUrl.SetQueryParam("Date", $"{date:d.MM.yyyy}");
}
var firstResponse = await HttpClient.GetStringAsync(firstUrl);
var firstResponse = await httpClient.GetStringAsync(firstUrl);
var firstDocument = await asContext.OpenAsync(req => req.Content(firstResponse));
var firstForm = firstDocument.GetElementById("form-search")!;
@ -69,7 +80,7 @@ namespace InfoferScraper.Scrapers {
.ToDictionary(elem => elem.Name!, elem => elem.Value);
var secondUrl = "".AppendPathSegments("Stations", "StationsResult");
var secondResponse = await HttpClient.PostAsync(
var secondResponse = await httpClient.PostAsync(
secondUrl,
#pragma warning disable CS8620
new FormUrlEncodedContent(firstResult)
@ -167,9 +178,9 @@ namespace InfoferScraper.Scrapers {
.Text()
.WithCollapsedSpaces();
foreach (var station in routeDiv.QuerySelectorAll(":scope > div > div")[1]
.Text()
.WithCollapsedSpaces()
.Split(" - ")) {
.Text()
.WithCollapsedSpaces()
.Split(" - ")) {
arrDep.ModifyableTrain.AddRouteStation(station);
}
@ -182,7 +193,7 @@ namespace InfoferScraper.Scrapers {
.QuerySelectorAll(":scope > div");
var delayDiv = statusDivComponents[0];
var (delayMin, (approx, _)) = (StatusRegex.Match(
delayDiv
.Text()

36
scraper/src/Scrapers/Train.cs
Unescape View File

@ -15,7 +15,7 @@ using NodaTime.Extensions;
using scraper.Exceptions;
namespace InfoferScraper.Scrapers {
public static class TrainScraper {
public class TrainScraper {
private const string BaseUrl = "https://mersultrenurilor.infofer.ro/ro-RO/";
private static readonly Regex TrainInfoRegex = new(@"^([A-Z-]+)\s([0-9]+)\sîn\s([0-9.]+)$");
private static readonly Regex OperatorRegex = new(@"^Operat\sde\s(.+)$");
@ -51,16 +51,28 @@ namespace InfoferScraper.Scrapers {
private static readonly DateTimeZone BucharestTz = DateTimeZoneProviders.Tzdb["Europe/Bucharest"];
private static readonly CookieContainer CookieContainer = new();
private static readonly HttpClient HttpClient = new(new HttpClientHandler {
CookieContainer = CookieContainer,
UseCookies = true,
}) {
BaseAddress = new Uri(BaseUrl),
DefaultRequestVersion = new Version(2, 0),
};
private readonly CookieContainer cookieContainer = new();
private readonly HttpClient httpClient;
public TrainScraper(HttpClientHandler? httpClientHandler = null)
{
if (httpClientHandler == null) {
httpClientHandler = new HttpClientHandler {
CookieContainer = cookieContainer,
UseCookies = true,
};
}
else {
httpClientHandler.CookieContainer = cookieContainer;
httpClientHandler.UseCookies = true;
}
httpClient = new HttpClient(httpClientHandler) {
BaseAddress = new Uri(BaseUrl),
DefaultRequestVersion = new Version(2, 0),
};
}
public static async Task<ITrainScrapeResult?> Scrape(string trainNumber, DateTimeOffset? dateOverride = null) {
public async Task<ITrainScrapeResult?> Scrape(string trainNumber, DateTimeOffset? dateOverride = null) {
var dateOverrideInstant = dateOverride?.ToInstant().InZone(BucharestTz);
dateOverride = dateOverrideInstant?.ToDateTimeOffset();
TrainScrapeResult result = new();
@ -73,7 +85,7 @@ namespace InfoferScraper.Scrapers {
if (dateOverride != null) {
firstUrl = firstUrl.SetQueryParam("Date", $"{dateOverride:d.MM.yyyy}");
}
var firstResponse = await HttpClient.GetStringAsync(firstUrl);
var firstResponse = await httpClient.GetStringAsync(firstUrl);
var firstDocument = await asContext.OpenAsync(req => req.Content(firstResponse));
var firstForm = firstDocument.GetElementById("form-search")!;
@ -83,7 +95,7 @@ namespace InfoferScraper.Scrapers {
.ToDictionary(elem => elem.Name!, elem => elem.Value);
var secondUrl = "".AppendPathSegments("Trains", "TrainsResult");
var secondResponse = await HttpClient.PostAsync(
var secondResponse = await httpClient.PostAsync(
secondUrl,
#pragma warning disable CS8620
new FormUrlEncodedContent(firstResult)

9
server/Models/ProxySettings.cs
Unescape View File

@ -0,0 +1,9 @@
namespace Server.Models;
public record ProxySettings(string Url, ProxyCredentials? Credentials = null) {
public ProxySettings() : this("") { }
}
public record ProxyCredentials(string Username, string Password) {
public ProxyCredentials() : this("", "") { }
}

22
server/Services/Implementations/DataManager.cs
Unescape View File

@ -1,12 +1,15 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using InfoferScraper;
using InfoferScraper.Models.Station;
using InfoferScraper.Models.Train;
using Microsoft.Extensions.Logging;
using scraper.Models.Itinerary;
using Server.Models;
using Server.Services.Interfaces;
using Server.Utils;
@ -18,17 +21,26 @@ namespace Server.Services.Implementations {
private NodaTime.IDateTimeZoneProvider TzProvider { get; }
private NodaTime.DateTimeZone CfrTimeZone => TzProvider["Europe/Bucharest"];
public DataManager(NodaTime.IDateTimeZoneProvider tzProvider, IDatabase database, ILogger<DataManager> logger) {
public DataManager(NodaTime.IDateTimeZoneProvider tzProvider, IDatabase database, ILogger<DataManager> logger, ProxySettings? proxySettings) {
this.TzProvider = tzProvider;
this.Database = database;
this.Logger = logger;
HttpClientHandler httpClientHandler = new (){
UseProxy = proxySettings != null,
Proxy = proxySettings == null ? null : new WebProxy(proxySettings.Url),
DefaultProxyCredentials = proxySettings?.Credentials == null ? null : new NetworkCredential(proxySettings.Credentials.Username, proxySettings.Credentials.Password),
};
InfoferScraper.Scrapers.StationScraper stationScraper = new(httpClientHandler);
InfoferScraper.Scrapers.TrainScraper trainScraper = new(httpClientHandler);
InfoferScraper.Scrapers.RouteScraper routeScraper = new(httpClientHandler);
stationCache = new(async (t) => {
var (stationName, date) = t;
Logger.LogDebug("Fetching station {StationName} for date {Date}", stationName, date);
var zonedDate = new NodaTime.LocalDate(date.Year, date.Month, date.Day).AtStartOfDayInZone(CfrTimeZone);
var station = await InfoferScraper.Scrapers.StationScraper.Scrape(stationName, zonedDate.ToDateTimeOffset());
var station = await stationScraper.Scrape(stationName, zonedDate.ToDateTimeOffset());
if (station != null) {
_ = Task.Run(async () => {
var watch = Stopwatch.StartNew();
@ -44,7 +56,7 @@ namespace Server.Services.Implementations {
Logger.LogDebug("Fetching train {TrainNumber} for date {Date}", trainNumber, date);
var zonedDate = new NodaTime.LocalDate(date.Year, date.Month, date.Day).AtStartOfDayInZone(CfrTimeZone);
var train = await InfoferScraper.Scrapers.TrainScraper.Scrape(trainNumber, zonedDate.ToDateTimeOffset());
var train = await trainScraper.Scrape(trainNumber, zonedDate.ToDateTimeOffset());
if (train != null) {
_ = Task.Run(async () => {
var watch = Stopwatch.StartNew();
@ -60,7 +72,7 @@ namespace Server.Services.Implementations {
Logger.LogDebug("Fetching itinerary from {From} to {To} for date {Date}", from, to, date);
var zonedDate = new NodaTime.LocalDate(date.Year, date.Month, date.Day).AtStartOfDayInZone(CfrTimeZone);
var itineraries = await InfoferScraper.Scrapers.RouteScraper.Scrape(from, to, zonedDate.ToDateTimeOffset());
var itineraries = await routeScraper.Scrape(from, to, zonedDate.ToDateTimeOffset());
if (itineraries != null) {
_ = Task.Run(async () => {
var watch = Stopwatch.StartNew();
@ -99,4 +111,4 @@ namespace Server.Services.Implementations {
return await itinerariesCache.GetItem((from, to, cfrDate));
}
}
}
}

5
server/Startup.cs
Unescape View File

@ -10,6 +10,7 @@ using Microsoft.Extensions.Hosting;
using Microsoft.OpenApi.Models;
using MongoDB.Bson.Serialization.Conventions;
using Newtonsoft.Json.Serialization;
using Server.Models;
using Server.Models.Database;
using Server.Services.Implementations;
using Server.Services.Interfaces;
@ -30,12 +31,14 @@ namespace Server {
});
}
services.Configure<ProxySettings>(Configuration.GetSection("Proxy"));
services.Configure<MongoSettings>(Configuration.GetSection("TrainDataMongo"));
var conventionPack = new ConventionPack { new CamelCaseElementNameConvention() };
ConventionRegistry.Register("camelCase", conventionPack, _ => true);
services.AddSingleton<IDataManager, DataManager>();
services.AddSingleton<IDatabase, Database>();
services.AddSingleton<NodaTime.IDateTimeZoneProvider>(NodaTime.DateTimeZoneProviders.Tzdb);
services.AddSingleton(NodaTime.DateTimeZoneProviders.Tzdb);
services.AddControllers()
.AddNewtonsoftJson(options => {
options.SerializerSettings.ContractResolver = new DefaultContractResolver {

7
server/Utils/Constants.cs
Unescape View File

@ -0,0 +1,7 @@
using NodaTime;
namespace Server.Utils;
public static class Constants {
public static readonly DateTimeZone BucharestTz = DateTimeZoneProviders.Tzdb["Europe/Bucharest"];
}

2
server/server.csproj
Unescape View File

@ -5,7 +5,7 @@
<AssemblyName>Server</AssemblyName>
<RootNamespace>Server</RootNamespace>
<LangVersion>11</LangVersion>
<TargetFrameworks>net6.0;net7.0</TargetFrameworks>
<TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
</PropertyGroup>
<ItemGroup>

Write Preview
Loading…
Cancel
Save