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Zeeshaun
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using System;
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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 Serilog;
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using LCU.Api.Internal.FileOperations.Services;
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using LCU.Library.Internal.FileOperationsModels.Models;
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using LCU.Library.Internal.Exceptions;
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using LCU.Library.Internal.FileOperationsModels.Models.HtmlToPdfModels;
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using LCU.Api.Internal.FileOperations.Extensions;
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using LCU.Api.Internal.FileOperations.Services.QueueServices;
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using LCU.Api.Internal.FileOperations.Services.PdfServices;
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namespace LCU.Api.Internal.FileOperations.Controllers;
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[ApiController]
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[Route("api/[controller]")]
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public class PdfController : ControllerBase
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{
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private readonly IQueueFileOperationsService _queueFileOperationsService;
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private readonly IPdfParserService _pdfParserService;
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private readonly IBatchPdfParserService _batchPdfParserService;
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private readonly IDirectFileService _directFileService;
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private readonly IHtmlToPdfService _htmlToPdfService;
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public PdfController(IQueueFileOperationsService queueFileOperationsService,
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IPdfParserService pdfParserService,
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IBatchPdfParserService batchPdfParserService,
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IDirectFileService directFileService,
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IHtmlToPdfService htmlToPdfService)
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{
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_queueFileOperationsService = queueFileOperationsService;
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_batchPdfParserService = batchPdfParserService;
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_pdfParserService = pdfParserService;
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_directFileService = directFileService;
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_htmlToPdfService = htmlToPdfService;
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}
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[HttpPost("QueueBatchPdfParser")]
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[ProducesResponseType(202)]
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[ProducesResponseType(400)]
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[ProducesResponseType(500)]
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public async Task<IActionResult> QueueBatchPdfParser([FromBody] BatchParsePdfRequest request)
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{
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try
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{
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var requestResponse = _batchPdfParserService.IsRequestValid(request, new RequestResponse());
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if (!requestResponse.IsSuccessful)
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{
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return BadRequest($"Request is invalid. Response: {String.Join("\n ", requestResponse.MessageStack.ToArray())}");
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}
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await _queueFileOperationsService.QueueFileOperations(request, FileOperationType.BatchPdfParser);
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return Accepted();
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}
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catch (ServiceException exception)
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{
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return StatusCode(StatusCodes.Status500InternalServerError, exception.Message);
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}
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catch (Exception exception)
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{
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Log.Error(exception, "Unexpected Exception");
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return StatusCode(StatusCodes.Status500InternalServerError);
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}
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}
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/// <remarks>
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/// This will parse a PDF from a starting page to and a stopping page, save new pdf to RootPath,
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/// and returns the PDF name. The PDF name will be set to ParsedPdfname or the default "{pdfParserRequest.PdfName}.{pdfParserRequest.StartingPage}.pdf".
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///
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/// Notes:
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/// - Page numbers range from 1-x.
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/// - If PDF exists it will automatically overwrite.
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/// - Original PDF can be open at the time of parsing.
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/// </remarks>
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/// <param name="pdfParserRequest"></param>
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/// <returns></returns>
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[HttpPost("ParsePdf")]
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[ProducesResponseType(200)]
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[ProducesResponseType(typeof(ParsePdfRequest), 400)]
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[ProducesResponseType(500)]
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public IActionResult ParsePdf([FromBody] ParsePdfRequest pdfParserRequest)
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{
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try
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{
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if (!ModelState.IsValid)
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{
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return BadRequest(ModelState.GetErrorMessages());
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}
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var result = _pdfParserService.ParsePdf(pdfParserRequest);
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return Ok(result);
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}
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catch (ServiceException exception)
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{
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return StatusCode(StatusCodes.Status500InternalServerError, exception.Message);
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}
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catch (Exception exception)
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{
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Log.Error(exception, "Unexpected Exception");
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return StatusCode(StatusCodes.Status500InternalServerError);
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}
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}
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[HttpGet("GetPdfContent/{pdfPath}")]
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[ProducesResponseType(200)]
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[ProducesResponseType(400)]
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[ProducesResponseType(500)]
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public IActionResult GetPdfContent([FromRoute] string pdfPath)
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{
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if (string.IsNullOrWhiteSpace(pdfPath))
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{
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return BadRequest("PDF Path is required");
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}
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try
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{
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var result = _directFileService.GetFileBytes(pdfPath);
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return new FileContentResult(result, "application/pdf");
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}
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catch (ArgumentException ae)
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{
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Log.Error(ae, $"Request for bad PDF path {pdfPath}");
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return BadRequest("PDF path not found");
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}
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catch (Exception ex)
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{
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Log.Error(ex, $"Unexpected error retrieving PDF path {pdfPath}");
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return StatusCode(StatusCodes.Status500InternalServerError);
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}
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}
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/// <remarks>
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/// ConvertHmtlToPdf will take the HtmlToPdfRequest and generate a HTML file filling in the tags with the supplied data.
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/// It will then utilize Chrome functionality to print a pdf and save it to a location. Finally converting to byte array and returning.
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///
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/// HtmlToPdfRequest:
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/// - HtmlTemplateFilePath: (REQUIRED) File Path of the main html template that the HTML file will start to build.
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/// - PdfName: (REQUIRED) What the PDF and HTML files will be called.
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/// - KeepHtmlFile: (Defaults = False) Mostly for testing purposes. If set to true it will keep the generated HTML file.
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/// - KeepPdfFile: (Defaults = False) Mostly for testing purposes. If set to true it will keep the generated PDF file
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/// - HtmlSaveFilePath: (REQUIRED) Location that the generated HTML file will be temporarily (KeepHtmlFile = false) stored.
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/// - PdfSaveFilePath: (REQUIRED) Location that the generated PDF file will be temporarily (KeepHtmlFile = false) stored.
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/// - BodyTagValues: Tags that will be filled in with supplied values.
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/// - TagValues:
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/// - Tag: (REQUIRED) Name of the tag in the HTML. In HTML should be surrounded by {}. This tag does not need {}.
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/// - Value: (REQUIRED) Value in which will replace the {TagName}.
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/// - BodyValueCollections: List of ValueCollections that give us the ability to replace a tag that is associated with a HTML Template. The ValucollectionItems is
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/// looped through to generate what will replace the tag. Common use case would be a list of items or a table of items.
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/// - CollectionTag: (REQUIRED) Name of the tag in the HTML. In HTML should be surrounded by {}. This tag does not need {}.
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/// - CollectionHtmlTemplateFilePath: (REQUIRED) File Path of the collections html template that the HTML file will start to build.
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/// - ValueCollectionItems: List of ValueCollectionItems that can be looped through to help build out what the CollectionTag will be replaced with.
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/// ValueCollection has a nested ValueCollectionItems, giving the ability to create infinite amount of nested collections within collections.
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/// - TagValues: List of TagValues
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/// - ValueCollections: List of ValueCollections
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///
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/// Notes:
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/// - In HTML templates tags should be surrounded by braces {TagName}. The request does not need the braces {}.
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/// - Any unused tags surrounded by braces will be removed at the end of the process.
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/// - Can use \\\\zeus\DataIntegrationsQA\\PDFCreation\\ folder to store templates, generated HTML files, and generated PDF
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/// - \\\\zeus\DataIntegrationsQA\\PDFCreation\\Html_Templates
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/// - \\\\zeus\DataIntegrationsQA\\PDFCreation\\Html_Drop
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/// - \\\\zeus\DataIntegrationsQA\\PDFCreation\\PDF_Drop
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/// </remarks>
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[HttpPost("ConvertHtmlToPdf")]
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[ProducesResponseType(200)]
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[ProducesResponseType(400)]
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[ProducesResponseType(500)]
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public IActionResult ConvertHtmlToPdf([FromBody] HtmlToPdfRequest htmlToPdfRequest)
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{
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try
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{
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var result = _htmlToPdfService.ConvertHtmlToPdf(htmlToPdfRequest);
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return new FileContentResult(result, "application/pdf");
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}
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catch (ServiceException exception)
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{
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return StatusCode(StatusCodes.Status500InternalServerError, exception.Message);
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}
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catch (Exception exception)
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{
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Log.Error(exception, "Unexpected Exception");
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return StatusCode(StatusCodes.Status500InternalServerError);
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}
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}
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}
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