317 lines
11 KiB
C#
317 lines
11 KiB
C#
using System;
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using System.Threading.Tasks;
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using OpenQA.Selenium;
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using OpenQA.Selenium.Chrome;
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using OpenQA.Selenium.Support.UI;
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using System.Text.RegularExpressions;
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using WebDriverManager;
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using WebDriverManager.DriverConfigs.Impl;
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using System.IO;
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using System.Runtime.InteropServices;
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namespace BokBonCheck
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{
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public class KwangjuCityLibrarySearcher_choisangjun : KwangjuCityLibrarySearcher
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{
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public KwangjuCityLibrarySearcher_choisangjun()
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{
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SelectorValue = "MF";
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SiteName = "광주시교육청통합도서관(분관최상준도서관)";
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}
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}
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public class KwangjuCityLibrarySearcher_dagachi : KwangjuCityLibrarySearcher
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{
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public KwangjuCityLibrarySearcher_dagachi()
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{
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SelectorValue = "ME";
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SiteName = "광주시교육청통합도서관(송정다가치문화도서관)";
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}
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}
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public class KwangjuCityLibrarySearcher_central : KwangjuCityLibrarySearcher
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{
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public KwangjuCityLibrarySearcher_central()
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{
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SelectorValue = "MD";
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SiteName = "광주시교육청통합도서관(중앙도서관)";
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}
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}
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public class KwangjuCityLibrarySearcher_Student : KwangjuCityLibrarySearcher
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{
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public KwangjuCityLibrarySearcher_Student()
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{
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SelectorValue = "MC";
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SiteName = "광주시교육청통합도서관(학생교육문화회관)";
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}
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}
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public class KwangjuCityLibrarySearcher_Kumho : KwangjuCityLibrarySearcher
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{
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public KwangjuCityLibrarySearcher_Kumho()
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{
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SelectorValue = "MB";
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SiteName = "광주시교육청통합도서관(금호평생교육관)";
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}
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}
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public class KwangjuCityLibrarySearcher_Indi : KwangjuCityLibrarySearcher
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{
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public KwangjuCityLibrarySearcher_Indi()
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{
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SelectorValue = "MA";
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SiteName = "광주시교육청통합도서관(학생독립운동기념회관)";
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}
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}
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public abstract class KwangjuCityLibrarySearcher : ILibrarySearcher
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{
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public string SiteName { get; protected set; } = "광주시교육청통합도서관";
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public string SiteUrl => "https://lib.gen.go.kr/main/site/search/bookSearch.do#simple";
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protected string SelectorValue = "";
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private ChromeDriver _driver;
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private ChromeDriverService _service;
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[DllImport("user32.dll")]
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private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
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[DllImport("user32.dll")]
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private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
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private const int SW_MINIMIZE = 6;
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public void StartDriver()
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{
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if (_driver == null)
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{
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var driverPath = ChromeDriverManager.GetDriverPath();
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if (string.IsNullOrEmpty(driverPath) || !File.Exists(driverPath))
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{
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driverPath = ChromeDriverManager.SetupChromeDriverAsync().GetAwaiter().GetResult();
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}
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_service = ChromeDriverService.CreateDefaultService(Path.GetDirectoryName(driverPath), Path.GetFileName(driverPath));
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_service.HideCommandPromptWindow = true;
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var options = new ChromeOptions();
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options.AddArgument("--no-sandbox");
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options.AddArgument("--disable-dev-shm-usage");
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options.AddArgument("--disable-gpu");
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options.AddArgument("--window-size=1920,1080");
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options.AddArgument("--user-agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36");
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options.AddArgument("--disable-blink-features=AutomationControlled");
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options.AddExcludedArgument("enable-automation");
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options.AddAdditionalOption("useAutomationExtension", false);
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_driver = new ChromeDriver(_service, options);
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((IJavaScriptExecutor)_driver).ExecuteScript("Object.defineProperty(navigator, 'webdriver', {get: () => undefined})");
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}
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}
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public void StopDriver()
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{
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if (_driver != null)
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{
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_driver.Quit();
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_driver.Dispose();
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_driver = null;
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}
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if (_service != null)
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{
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_service.Dispose();
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_service = null;
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}
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}
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virtual protected void SelectLibrary(WebDriverWait wait)
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{
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try
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{
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// 콤보박스(select) 요소 찾기
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var selectElement = wait.Until(d => d.FindElement(By.CssSelector("#manage_code")));
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var select = new OpenQA.Selenium.Support.UI.SelectElement(selectElement);
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// value가 "MA"인 옵션 선택
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select.SelectByValue(SelectorValue);
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}
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catch
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{
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// 예외 처리 (필요시 로깅 등)
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}
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}
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public async Task<BookSearchResult> SearchAsync(string searchTerm)
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{
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var result = new BookSearchResult
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{
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SiteName = SiteName,
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SearchTerm = searchTerm,
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SearchTime = DateTime.Now
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};
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try
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{
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if (_driver == null)
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throw new InvalidOperationException("드라이버가 시작되지 않았습니다. StartDriver()를 먼저 호출하세요.");
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_driver.Navigate().GoToUrl(SiteUrl);
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// 페이지 로딩 대기
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var wait = new WebDriverWait(_driver, TimeSpan.FromSeconds(15));
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// 모든 감지 방법이 끝나면 크롬창 최소화
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IntPtr chromeWindow = FindWindow("Chrome_WidgetWin_1", null);
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if (chromeWindow != IntPtr.Zero)
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{
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ShowWindow(chromeWindow, SW_MINIMIZE);
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}
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//대상도서관 선택
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SelectLibrary(wait);
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// 검색창 찾기
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IWebElement searchBox = null;
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try
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{
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// 여러 가능한 선택자 시도
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var selectors = new[]
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{
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"input[id='search_txt']",
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"input[type='text']",
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};
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foreach (var selector in selectors)
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{
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try
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{
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searchBox = wait.Until(d =>
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{
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var el = d.FindElement(By.CssSelector(selector));
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return (el != null && el.Displayed && el.Enabled) ? el : null;
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});
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break;
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}
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catch
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{
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continue;
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}
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}
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if (searchBox == null)
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{
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throw new Exception("검색창을 찾을 수 없습니다.");
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}
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}
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catch (Exception ex)
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{
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throw new Exception($"검색창 찾기 실패: {ex.Message}");
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}
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// 혹시 readonly라면 속성 제거
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((IJavaScriptExecutor)_driver).ExecuteScript("arguments[0].removeAttribute('readonly')", searchBox);
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// 입력 전 clear
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searchBox.Clear();
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searchBox.SendKeys(searchTerm);
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// 검색 버튼 클릭
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IWebElement searchButton = null;
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try
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{
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var buttonSelectors = new[]
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{
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"input[type='submit']",
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};
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foreach (var selector in buttonSelectors)
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{
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try
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{
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searchButton = _driver.FindElement(By.CssSelector(selector));
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break;
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}
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catch
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{
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continue;
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}
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}
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if (searchButton == null)
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{
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// Enter 키로 검색 시도
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searchBox.SendKeys(Keys.Enter);
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}
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else
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{
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searchButton.Click();
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}
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}
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catch (Exception ex)
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{
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// Enter 키로 검색 시도
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searchBox.SendKeys(Keys.Enter);
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}
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// 페이지 변경을 감지하는 메서드
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await WaitForPageChange(new WebDriverWait(_driver, TimeSpan.FromSeconds(15)));
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// 검색 결과 수 추출
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var resultCount = ExtractBookCount(_driver);
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result.BookCount = resultCount;
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result.IsSuccess = true;
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}
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catch (Exception ex)
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{
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result.IsSuccess = false;
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result.ErrorMessage = ex.Message;
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result.BookCount = 0;
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}
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return result;
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}
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private int ExtractBookCount(IWebDriver driver)
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{
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try
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{
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// div.search-result 내부의 span에서 '전체 N' 텍스트 추출
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var resultDiv = driver.FindElement(By.CssSelector("div.ndls_result"));
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var span = resultDiv.FindElement(By.XPath(".//span[contains(text(),'전체')]"));
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string text = span.Text; // 예: "전체 5 "
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var match = System.Text.RegularExpressions.Regex.Match(text, @"전체\s*(\d+)");
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if (match.Success)
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{
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return int.Parse(match.Groups[1].Value);
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}
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return 0;
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}
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catch
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{
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return 0;
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}
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}
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// 페이지 변경을 감지하는 메서드
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public async Task WaitForPageChange(WebDriverWait wait)
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{
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try
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{
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await Task.Delay(500);
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// 방법 4: 페이지 로딩 상태 확인
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wait.Until(d =>
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{
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var readyState = ((IJavaScriptExecutor)d).ExecuteScript("return document.readyState");
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return readyState.Equals("complete");
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});
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// 방법 5: 특정 텍스트가 페이지에 나타날 때까지 대기
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wait.Until(d =>
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{
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var pageText = d.FindElement(By.TagName("body")).Text;
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return pageText.Contains("전체") || pageText.Contains("건") || pageText.Contains("검색결과");
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});
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}
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catch (Exception ex)
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{
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// 모든 감지 방법이 실패하면 최소한의 대기 시간 적용
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await Task.Delay(2000);
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throw new Exception($"페이지 변경 감지 실패: {ex.Message}");
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}
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}
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}
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} |