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- using Microsoft.Azure.Cosmos;
- using PuppeteerSharp;
- using PuppeteerSharp.Media;
- using System.Runtime.InteropServices;
- using System.Text;
- using System.Text.Json;
- using System.Text.Json.Nodes;
- using System.Text.RegularExpressions;
- using System.Web;
- using TEAMModelOS.SDK.DI;
- namespace HTEXScreen.Service
- {
- public class ScreenService
- {
- public static async Task UpdateStuArtPDF(IEnumerable<string> urls, ScreenshotDto screenshot, AzureRedisFactory _azureRedisFactory, AzureCosmosFactory _azureCosmosFactory) {
- var env = screenshot.env.Equals("release") ? "Default" : "Test";
- long now = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
- List<Task< ResponseMessage>> responses = new List<Task<ResponseMessage>>();
- List<Task<bool>> redisSaves = new List<Task<bool>>();
- foreach (var url in urls)
- {
- //https://teammodeltest.blob.core.chinacloudapi.cn/hbcn/art/e9a5ec36-7299-45dc-9517-7457960346c4/report/202106005.pdf
- var uri = HttpUtility.UrlDecode(url);
- var paths = uri.Split("/art/");
- if (paths.Length == 2) {
- var ps= paths[1].Split("/");
- if (ps.Length == 3) {
- Uri uris = new Uri(paths[0]);
- // 获取URL的Segments属性,这是一个String数组,包含URL中的每个部分
- string[] segments = uris.Segments;
- string key = $"ArtPDF:{ps[0]}";
- // 确保segments数组至少有一个元素
- if (segments.Length > 0)
- {
- // 获取数组中的最后一个元素,即最后一个'/'之后的部分
- string lastSegment = segments[segments.Length - 1];
- key = $"ArtPDF:{ps[0]}:{lastSegment}";
- }
- string field = ps[2].Replace(".pdf", "",StringComparison.OrdinalIgnoreCase);
- var value = _azureRedisFactory.GetRedisClient(8, env).HashGet(key, field);
- if (value.HasValue && !value.IsNullOrEmpty)
- {
- JsonNode node = JsonNode.Parse(value.ToString());
- if (node != null) {
- var pdfNode= node["pdf"];
- var id = node["id"];
- var code = node["code"];
- if (pdfNode != null)
- {
- pdfNode["url"] = uri;
- pdfNode["blob"] = $"/art/{paths[1]}";
- pdfNode["createTime"] = now;
- pdfNode["prime"] = true;//此处的作用是判断是否已经生成OK.
- node["pdf"] = pdfNode;
- }
- else {
- pdfNode = new JsonObject();
- pdfNode["url"] = uri;
- pdfNode["blob"] = $"/art/{paths[1]}";
- pdfNode["createTime"] = now;
- pdfNode["prime"] = true;//此处的作用是判断是否已经生成OK.
- node["pdf"] = pdfNode;
-
- }
- string json = node.ToJsonString();
- redisSaves.Add(_azureRedisFactory.GetRedisClient(8, env).HashSetAsync(key, field, json));
- byte[] bytes = Encoding.UTF8.GetBytes(json);
- var memoryStream = new MemoryStream(bytes);
- responses.Add(_azureCosmosFactory.GetCosmosClient(null,env).GetContainer("TEAMModelOS", "Student").ReplaceItemStreamAsync(memoryStream, $"{id}", new PartitionKey($"{code}")));
- }
- }
- }
- }
- }
- await Task.WhenAll(redisSaves);
- await Task.WhenAll(responses);
- }
- public static async Task<List<(string name ,string url )>> ScreenshotPdf(ScreenshotDto screenshot, AzureStorageFactory _azureStorage) {
- //W3C School教程 https://www.w3cschool.cn/puppeteer/puppeteer-rip537tj.html
- // 进入容器的命令 docker exec -it f9e27d175498 /bin/bash
- //依赖包 https://blog.csdn.net/weixin_45447477/article/details/115188938
- //sudo apt-get install libgdk-pixbuf2.0-0 libgdk-pixbuf-xlib-2.0-0 libdbusmenu-gtk3-4 libdbusmenu-glib4 libindicator3-7 ca-certificates fonts-liberation libappindicator3-1 libasound2 libatk-bridge2.0-0 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgbm1 libgcc1 libglib2.0-0 libgtk-3-0 libnspr4 libnss3 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 lsb-release wget xdg-utils -y
- //解决ubuntu18上使用puppeteer https://blog.csdn.net/qq_42414062/article/details/114539378
- //https://www.hardkoded.com/blog/running-puppeteer-sharp-azure-functions 使用。
- //string url = "https://teammodelos.blob.core.chinacloudapi.cn/0-public/pie-borderRadius.html";
- Browser browser = null;
- try
- {
- var bfOptions = new BrowserFetcherOptions();
- if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
- {
- string dir = "/app";
- if (!Directory.Exists(dir))
- {
- Directory.CreateDirectory(dir);
- }
- bfOptions.Path = dir;
- }
- var bf = new BrowserFetcher(bfOptions);
- var revisionInfo = bf.DownloadAsync(BrowserFetcher.DefaultChromiumRevision).Result;
- string BrowserExecutablePath = revisionInfo.ExecutablePath;
- browser = await Puppeteer.LaunchAsync(new LaunchOptions
- {
- ExecutablePath = BrowserExecutablePath,
- Headless = true,
- Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }
- });
- double unitPX = 37.7813;
- ViewPortOptions viewPortOptions = new ViewPortOptions
- {
- // Width = (int)Math.Ceiling(unitPX * 21),
- // Height = (int)Math.Ceiling(unitPX * 29.7 * 1)
- };
- //ViewPortOptions viewPortOptions = new ViewPortOptions
- //{
- // Width = screenshot.width,
- // Height = screenshot.height
- //};
- PdfOptions pdfOptions = new PdfOptions { DisplayHeaderFooter = true, FooterTemplate = "", PreferCSSPageSize = true, Format = PaperFormat.A4 };
- //ScreenshotOptions screenshotOptions= new ScreenshotOptions { FullPage = fullPage, BurstMode = true };
- List<(string anme ,string url )> urls = new List<(string name, string url)>();
- if (screenshot.urls.Count <= screenshot.pagesize)
- {
- urls.AddRange(await PageToPdfStream(_azureStorage,screenshot.urls, screenshot.fileNameKey, screenshot.cnt, screenshot.root, screenshot.env, browser, viewPortOptions, pdfOptions));
- }
- else
- {
- List<Task<List<(string name ,string url )>>> tasks = new List<Task<List<(string name, string url)>>>();
- int pages = (screenshot.urls.Count + screenshot.pagesize) / screenshot.pagesize;
- for (int i = 0; i < pages; i++)
- {
- var lists = screenshot.urls.Skip((i) * screenshot.pagesize).Take(screenshot.pagesize).ToList();
- tasks.Add(PageToPdfStream(_azureStorage,lists, screenshot.fileNameKey, screenshot.cnt, screenshot.root, screenshot.env, browser, viewPortOptions, pdfOptions));
- }
- var tsk = await Task.WhenAll(tasks);
- foreach (var ts in tsk)
- {
- urls.AddRange(ts);
- }
- }
- //browser.NewPageAsync();
- //foreach (var url in screenshot.urls) {
- // var page = await browser.NewPageAsync();
- // await page.SetViewportAsync(viewPortOptions);
- // string file = $"E://pdfs//{Guid.NewGuid().ToString()}.pdf";
- // var respons = await page.GoToAsync(System.Web.HttpUtility.UrlDecode(url), WaitUntilNavigation.Networkidle2);
- // if (respons.Ok)
- // {
- // await page.PdfAsync(file, pdfOptions);
- // // string base64 = await page.ScreenshotBase64Async(screenshotOptions);
- // }
- //}
- //关闭浏览器
- await browser.CloseAsync();
- await browser.DisposeAsync();
- return urls;
- }
- catch (Exception ex)
- {
- StreamWriter file = new StreamWriter("erorr_log.txt", append: true);
- await file.WriteLineAsync($"ScreenService {JsonSerializer.Serialize(screenshot)}-----{ex.Message}----{ex.StackTrace}");
- file.Close();
- return new List<(string name, string url)>();
- //return BadRequest($"{ex.Message}\n{ex.StackTrace}");
- }
- finally
- {
- if (browser != null && !browser.IsClosed)
- {
- await browser.CloseAsync();
- await browser.DisposeAsync();
- }
- }
- }
- private static async Task<List<(string name ,string url )>> PageToPdfStream(AzureStorageFactory _azureStorage,List<string> urls, string fileNameKey, string cnt, string root, string env, Browser browser, ViewPortOptions viewPortOptions, PdfOptions pdfOptions)
- {
- string name = env.Equals("release") ? "Default" : "Test";
- List<Task<Page>> pages = new List<Task<Page>>();
- urls.ForEach(x => {
- pages.Add(browser.NewPageAsync());
- });
- var page_tasks = await Task.WhenAll(pages);
- List<Task<Response>> responses = new List<Task<Response>>();
- page_tasks.ToList().ForEach(x => {
- x.SetViewportAsync(viewPortOptions);
- });
- for (int i = 0; i < urls.Count; i++)
- {
- responses.Add(page_tasks[i].GoToAsync(urls[i], 30000, new WaitUntilNavigation[] { WaitUntilNavigation.Networkidle2 }));
- }
- var responses_tasks = await Task.WhenAll(responses);
- //List<Task<Stream>> streams = new List<Task<Stream>>();
- List<Task> tasks = new List<Task>();
- List<Task<(string name , string url )>> uploads = new List<Task<(string name, string url)>>();
- foreach (var page_task in page_tasks)
- {
- string url = page_task.Url;
- string[] paths = HttpUtility.UrlDecode(url).Split("/");
- var reg = $"(?<=\\b{fileNameKey}=)[^&]*";
- Regex regex = new Regex(reg);
- string decode = HttpUtility.UrlDecode(url);
- Match match = Regex.Match(decode, reg);
- string id = "";
- while (match.Success)
- {
- id = id + $"{match.Value}";
- match = match.NextMatch();
- }
- //需要解析参数。paths[paths.Length-1]
- Stream stream = await page_task.PdfStreamAsync(pdfOptions);
- if (string.IsNullOrWhiteSpace(cnt))
- {
- uploads.Add(_azureStorage.GetBlobContainerClient("teammodelos", name).UploadFileByContainerBName(stream, root, $"{id}.pdf", true));
- }
- else
- {
- uploads.Add(_azureStorage.GetBlobContainerClient(cnt, name).UploadFileByContainerBName(stream, root, $"{id}.pdf", true));
- }
- }
- (string name ,string url )[] uploadUrls = await Task.WhenAll(uploads);
- page_tasks.ToList().ForEach(x => {
- tasks.Add(x.DisposeAsync().AsTask());
- });
- await Task.WhenAll(tasks);
- return uploadUrls.ToList();
- }
- }
- public class ScreenshotDto
- {
- public int width { get; set; } = 1920;
- public int height { get; set; } = 1080;
- public string? url { get; set; }
- /// <summary>
- /// 批量地址
- /// </summary>
- public List<string> urls { get; set; } = new List<string>();
- /// <summary>
- /// 提取参数的唯一id作为文件名
- /// </summary>
- public string? fileNameKey { get; set; }
- /// <summary>
- /// 存在哪个容器里
- /// </summary>
- public string? cnt { get; set; }
- public int delay { get; set; }
- public int pagesize { get; set; } = 5;
- public string? root { get; set; }
- public string? env { get; set; } = "release";
- public string? msgId { get; set; }
- }
- }
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