134 lines
4.4 KiB
C#
134 lines
4.4 KiB
C#
using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Routing;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.Extensions.Logging;
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using AyaNova.Models;
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using AyaNova.Api.ControllerHelpers;
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using AyaNova.Biz;
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using AyaNova.Util;
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using PuppeteerSharp;
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namespace AyaNova.Api.Controllers
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{
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[ApiController]
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[ApiVersion("8.0")]
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[Route("api/v{version:apiVersion}/report")]
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[Produces("application/json")]
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[Authorize]
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public class ReportController : ControllerBase
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{
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private readonly AyContext ct;
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private readonly ILogger<ReportController> log;
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private readonly ApiServerState serverState;
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/// <summary>
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/// ctor
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/// </summary>
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/// <param name="dbcontext"></param>
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/// <param name="logger"></param>
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/// <param name="apiServerState"></param>
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public ReportController(AyContext dbcontext, ILogger<ReportController> logger, ApiServerState apiServerState)
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{
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ct = dbcontext;
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log = logger;
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serverState = apiServerState;
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}
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[HttpGet("render-test")]
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[AllowAnonymous]
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public async Task<IActionResult> GetTestReport([FromRoute] string test)
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{
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if (!serverState.IsOpen)
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return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
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string outputFile = FileUtil.NewRandomTempFilesFolderFileName;
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switch (test)
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{
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case "chrome-reddit-to-pdf":
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//first test, just render a web page to pdf and return it
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//return PhysicalFile(filePath, mimetype, dbObject.DisplayFileName);
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outputFile += ".pdf";
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//http://www.puppeteersharp.com/api/index.html
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//https://github.com/hardkoded/puppeteer-sharp
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await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
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var browser = await Puppeteer.LaunchAsync(new LaunchOptions
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{
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Headless = true
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});
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var page = await browser.NewPageAsync();
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await page.GoToAsync("https://github.com/hardkoded/puppeteer-sharp");
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await page.PdfAsync(outputFile);
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return PhysicalFile(outputFile, "application/pdf");
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}
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return NotFound(test);
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}
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//---------------------------------------------------------------------
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[HttpGet("render")]
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[AllowAnonymous]
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public async Task<IActionResult> GetPdfReport([FromRoute] string url)
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{
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if (!serverState.IsOpen)
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return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
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// byte[] buffer = readfromdatabase();
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// return new FileContentResult(buffer, "text/html");
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//first test, just render a web page to pdf and return it
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//return PhysicalFile(filePath, mimetype, dbObject.DisplayFileName);
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//http://www.puppeteersharp.com/api/index.html
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//https://github.com/hardkoded/puppeteer-sharp
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await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
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//sample CSS
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var templateCSS = @"
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@page {
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margin: 1cm;
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}
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@page :first {
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margin: 2cm;
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}";
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//sample HTML
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var templateHtml = "<div><h1>Hello world!</h1></div>";
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using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true }))
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using (var page = await browser.NewPageAsync())
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{
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await page.AddStyleTagAsync(new AddTagOptions { Content = templateCSS });
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await page.SetContentAsync(templateHtml);
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var pdfBuffer = await page.PdfDataAsync();
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return new FileContentResult(pdfBuffer, "application/pdf");
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}
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}
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//-----------------------------------------
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//------------
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/*
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NOTES/TODO during testing
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Need job to automatically erase any temp files older than 5 minutes (or whatever)
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*/
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}//eoc
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}//eons |