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gamer147
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using System.Net;
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using System.Text;
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using System.Text.Json;
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using System.Text.RegularExpressions;
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using FictionArchive.Common.Enums;
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using FictionArchive.Service.NovelService.Constants;
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using FictionArchive.Service.NovelService.Models.Enums;
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using FictionArchive.Service.NovelService.Models.SourceAdapters;
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namespace FictionArchive.Service.NovelService.Services.SourceAdapters.Novelpia;
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public class NovelpiaAdapter : ISourceAdapter
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{
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private readonly HttpClient _httpClient;
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private readonly ILogger _logger;
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private const string NovelIdRegex = @"novelpia.com\/novel\/(\d+)";
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private const string ChapterIdRegex = @"novelpia.com\/viewer\/(\d+)";
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private const string EpisodeListEndpoint = "/proc/episode_list";
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private const string ChapterDownloadEndpoint = "/proc/viewer_data/";
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private const string SourceKey = "novelpia";
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private const string SourceName = "Novelpia";
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private const string SourceUrl = "https://novelpia.com";
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private const string ChapterDownloadFailedMessage = "본인인증";
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public NovelpiaAdapter(HttpClient httpClient, ILogger<NovelpiaAdapter> logger)
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{
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_httpClient = httpClient;
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_logger = logger;
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}
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public SourceDescriptor SourceDescriptor
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{
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get
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{
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return new SourceDescriptor()
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{
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Name = SourceName,
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Key = SourceKey,
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Url = SourceUrl
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};
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}
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}
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public async Task<bool> CanProcessNovel(string url)
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{
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return Regex.IsMatch(url, @"https://novelpia.com/novel/(\d+)");
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}
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public async Task<NovelMetadata> GetMetadata(string novelUrl)
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{
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// PROCESS
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// Get novelurl
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// Title is <div class="ep-info-line epnew-novel-title">따먹히는 순애 금태양</div>
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// Author is <a class="writer-name" href="/user/579482">구다수 </a>
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// Chapters are gotten from the episode_list proc
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uint novelId = uint.Parse(Regex.Match(novelUrl, NovelIdRegex).Groups[1].Value);
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NovelMetadata novel = new NovelMetadata()
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{
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Url = novelUrl,
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RawLanguage = Language.Kr,
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ExternalId = novelId.ToString(),
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SystemTags = new List<string>(),
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SourceTags = new List<string>(),
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Chapters = new List<ChapterMetadata>(),
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SourceDescriptor = SourceDescriptor
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};
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// Novel metadata
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var novelData = await _httpClient.GetStringAsync(novelUrl);
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var novelNameMatch = Regex.Match(novelData, @"<div class=""ep-info-line epnew-novel-title"">(.+)<\/div>");
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var authorMatch = Regex.Match(novelData, @"(?s)<a\s+class=""writer-name""\s+href=""([^""]+)"">\s*(.*?)\s*<\/a>");
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var descriptionMatch = Regex.Match(novelData, @"(?s)<div\s+class=""synopsis"">\s*(.*?)\s*<\/div>");
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novel.Name = novelNameMatch.Groups[1].Value;
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novel.Description = descriptionMatch.Groups[1].Value;
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novel.AuthorName = authorMatch.Groups[2].Value;
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novel.AuthorUrl = authorMatch.Groups[2].Value;
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// Some badge info
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var badgeSet = Regex.Match(novelData, @"(?s)<p\s+class=""in-badge"">(.*?)<\/p>");
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var badgeMatches = Regex.Matches(badgeSet.Groups[1].Value, @"<span[^>]*>(.*?)<\/span>");
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foreach (Match badge in badgeMatches)
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{
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var innerText = badge.Groups[1].Value;
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if (innerText == "19")
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{
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novel.SystemTags.Add(SystemTags.Nsfw);
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}
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if (innerText == "완결")
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{
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novel.RawStatus = NovelStatus.Completed;
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}
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else
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{
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novel.RawStatus = NovelStatus.InProgress;
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}
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}
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// Novel tags
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HashSet<string> tags = new HashSet<string>();
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var tagSetMatch = Regex.Match(novelData, @"(?s)<p\s+class=""writer-tag"">(.*?)<\/p>");
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var tagMatches =
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Regex.Matches(tagSetMatch.Groups[1].Value, @"<span[^>]*>#(.*?)<\/span>");
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foreach (Match tagMatch in tagMatches)
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{
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var tagText = tagMatch.Groups[1].Value;
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tags.Add(tagText);
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}
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foreach (string tag in tags)
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{
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novel.SourceTags.Add(tag);
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}
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// Chapters
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uint page = 0;
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List<ChapterMetadata> chapters = new List<ChapterMetadata>();
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List<uint> seenChapterIds = new List<uint>();
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uint chapterOrder = 0;
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while (true)
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{
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await Task.Delay(500);
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_logger.LogInformation("Next chapter batch");
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var response = await _httpClient.PostAsync(EpisodeListEndpoint, new FormUrlEncodedContent(new Dictionary<string, string>
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{
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{"novel_no", novelId.ToString()},
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{"sort", "DOWN"},
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{"page", page.ToString()}
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}));
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var responseContent = await response.Content.ReadAsStringAsync();
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var capturedChapters = Regex.Matches(responseContent, @"id=""bookmark_(\d+)""></i>(.+?)</b>");
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if (seenChapterIds.Contains(uint.Parse(capturedChapters[0].Groups[1].Value)))
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{
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break;
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}
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foreach (Match chapter in capturedChapters)
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{
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string chapterId = chapter.Groups[1].Value;
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string chapterName = chapter.Groups[2].Value;
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chapters.Add(new ChapterMetadata
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{
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Revision = 0,
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Order = chapterOrder,
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Url = $"https://novelpia.com/viewer/{chapterId}",
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Name = chapterName
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});
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seenChapterIds.Add(uint.Parse(chapterId));
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chapterOrder++;
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}
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page++;
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}
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novel.Chapters = chapters;
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return novel;
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}
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public async Task<string> GetRawChapter(string chapterUrl)
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{
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var chapterId = uint.Parse(Regex.Match(chapterUrl, ChapterIdRegex).Groups[1].Value);
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var endpoint = ChapterDownloadEndpoint + chapterId;
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var result = await _httpClient.PostAsync(endpoint, null);
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var responseContent = await result.Content.ReadAsStringAsync();
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if (string.IsNullOrEmpty(responseContent) || responseContent.Contains(ChapterDownloadFailedMessage))
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{
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throw new Exception();
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}
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StringBuilder builder = new StringBuilder();
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using var doc = JsonDocument.Parse(responseContent);
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JsonElement root = doc.RootElement;
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// Get the "s" array
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JsonElement sArray = root.GetProperty("s");
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foreach (JsonElement item in sArray.EnumerateArray())
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{
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string text = item.GetProperty("text").GetString();
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if (text.Contains("cover-wrapper"))
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{
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continue;
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}
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if (text.Contains("opacity: 0"))
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{
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continue;
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}
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builder.Append(WebUtility.HtmlDecode(text));
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}
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return builder.ToString();
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}
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}
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