diff options
Diffstat (limited to 'src/SMAPI.Web/Framework/Clients/Nexus/NexusWebScrapeClient.cs')
-rw-r--r-- | src/SMAPI.Web/Framework/Clients/Nexus/NexusWebScrapeClient.cs | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/src/SMAPI.Web/Framework/Clients/Nexus/NexusWebScrapeClient.cs b/src/SMAPI.Web/Framework/Clients/Nexus/NexusWebScrapeClient.cs deleted file mode 100644 index e83a6041..00000000 --- a/src/SMAPI.Web/Framework/Clients/Nexus/NexusWebScrapeClient.cs +++ /dev/null @@ -1,146 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Linq; -using System.Net; -using System.Threading.Tasks; -using HtmlAgilityPack; -using Pathoschild.Http.Client; -using StardewModdingAPI.Toolkit; - -namespace StardewModdingAPI.Web.Framework.Clients.Nexus -{ - /// <summary>An HTTP client for fetching mod metadata from the Nexus website.</summary> - internal class NexusWebScrapeClient : INexusClient - { - /********* - ** Fields - *********/ - /// <summary>The URL for a Nexus mod page for the user, excluding the base URL, where {0} is the mod ID.</summary> - private readonly string ModUrlFormat; - - /// <summary>The URL for a Nexus mod page to scrape for versions, excluding the base URL, where {0} is the mod ID.</summary> - public string ModScrapeUrlFormat { get; set; } - - /// <summary>The underlying HTTP client.</summary> - private readonly IClient Client; - - - /********* - ** Public methods - *********/ - /// <summary>Construct an instance.</summary> - /// <param name="userAgent">The user agent for the Nexus Mods API client.</param> - /// <param name="baseUrl">The base URL for the Nexus Mods site.</param> - /// <param name="modUrlFormat">The URL for a Nexus Mods mod page for the user, excluding the <paramref name="baseUrl"/>, where {0} is the mod ID.</param> - /// <param name="modScrapeUrlFormat">The URL for a Nexus mod page to scrape for versions, excluding the base URL, where {0} is the mod ID.</param> - public NexusWebScrapeClient(string userAgent, string baseUrl, string modUrlFormat, string modScrapeUrlFormat) - { - this.ModUrlFormat = modUrlFormat; - this.ModScrapeUrlFormat = modScrapeUrlFormat; - this.Client = new FluentClient(baseUrl).SetUserAgent(userAgent); - } - - /// <summary>Get metadata about a mod.</summary> - /// <param name="id">The Nexus mod ID.</param> - /// <returns>Returns the mod info if found, else <c>null</c>.</returns> - public async Task<NexusMod> GetModAsync(uint id) - { - // fetch HTML - string html; - try - { - html = await this.Client - .GetAsync(string.Format(this.ModScrapeUrlFormat, id)) - .AsString(); - } - catch (ApiException ex) when (ex.Status == HttpStatusCode.NotFound) - { - return null; - } - - // parse HTML - var doc = new HtmlDocument(); - doc.LoadHtml(html); - - // handle Nexus error message - HtmlNode node = doc.DocumentNode.SelectSingleNode("//div[contains(@class, 'site-notice')][contains(@class, 'warning')]"); - if (node != null) - { - string[] errorParts = node.InnerText.Trim().Split(new[] { '\n' }, 2, System.StringSplitOptions.RemoveEmptyEntries); - string errorCode = errorParts[0]; - string errorText = errorParts.Length > 1 ? errorParts[1] : null; - switch (errorCode.Trim().ToLower()) - { - case "not found": - return null; - - default: - return new NexusMod { Error = $"Nexus error: {errorCode} ({errorText})." }; - } - } - - // extract mod info - string url = this.GetModUrl(id); - string name = doc.DocumentNode.SelectSingleNode("//h1")?.InnerText.Trim(); - string version = doc.DocumentNode.SelectSingleNode("//ul[contains(@class, 'stats')]//li[@class='stat-version']//div[@class='stat']")?.InnerText.Trim(); - SemanticVersion.TryParse(version, out ISemanticVersion parsedVersion); - - // extract file versions - List<string> rawVersions = new List<string>(); - foreach (var fileSection in doc.DocumentNode.SelectNodes("//div[contains(@class, 'files-tabs')]")) - { - string sectionName = fileSection.Descendants("h2").First().InnerText; - if (sectionName != "Main files" && sectionName != "Optional files") - continue; - - rawVersions.AddRange( - from statBox in fileSection.Descendants().Where(p => p.HasClass("stat-version")) - from versionStat in statBox.Descendants().Where(p => p.HasClass("stat")) - select versionStat.InnerText.Trim() - ); - } - - // choose latest file version - ISemanticVersion latestFileVersion = null; - foreach (string rawVersion in rawVersions) - { - if (!SemanticVersion.TryParse(rawVersion, out ISemanticVersion cur)) - continue; - if (parsedVersion != null && !cur.IsNewerThan(parsedVersion)) - continue; - if (latestFileVersion != null && !cur.IsNewerThan(latestFileVersion)) - continue; - - latestFileVersion = cur; - } - - // yield info - return new NexusMod - { - Name = name, - Version = parsedVersion?.ToString() ?? version, - LatestFileVersion = latestFileVersion, - Url = url - }; - } - - /// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary> - public void Dispose() - { - this.Client?.Dispose(); - } - - - /********* - ** Private methods - *********/ - /// <summary>Get the full mod page URL for a given ID.</summary> - /// <param name="id">The mod ID.</param> - private string GetModUrl(uint id) - { - UriBuilder builder = new UriBuilder(this.Client.BaseClient.BaseAddress); - builder.Path += string.Format(this.ModUrlFormat, id); - return builder.Uri.ToString(); - } - } -} |