380 lines
21 KiB
C#
380 lines
21 KiB
C#
using Microsoft.EntityFrameworkCore;
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using RMuseum.DbContext;
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using RMuseum.Models.Artifact;
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using RMuseum.Models.ImportJob;
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using RSecurityBackend.Models.Generic;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Net.Http;
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using System.Threading;
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using System.Threading.Tasks;
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namespace RMuseum.Services.Implementation
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{
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/// <summary>
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/// IArtifactService implementation
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/// </summary>
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public partial class ArtifactService : IArtifactService
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{
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/// <summary>
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/// import from https://viewer.cbl.ie
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/// </summary>
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/// <param name="resourceNumber">119</param>
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/// <param name="friendlyUrl">golestan-baysonghori</param>
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/// <param name="skipUpload"></param>
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/// <returns></returns>
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private async Task<RServiceResult<bool>> StartImportingFromChesterBeatty(string resourceNumber, string friendlyUrl, bool skipUpload)
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{
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try
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{
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string srcUrl = $"https://viewer.cbl.ie/viewer/object/Per_{resourceNumber}/1/";
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if (
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(
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await _context.ImportJobs
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.Where(j => j.JobType == JobType.ChesterBeatty && j.ResourceNumber == resourceNumber && !(j.Status == ImportJobStatus.Failed || j.Status == ImportJobStatus.Aborted))
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.SingleOrDefaultAsync()
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)
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!=
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null
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)
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{
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return new RServiceResult<bool>(false, $"Job is already scheduled or running for importing {srcUrl}");
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}
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if (string.IsNullOrEmpty(friendlyUrl))
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{
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return new RServiceResult<bool>(false, $"Friendly url is empty, server folder {srcUrl}");
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}
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if (
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(await _context.Artifacts.Where(a => a.FriendlyUrl == friendlyUrl).SingleOrDefaultAsync())
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!=
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null
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)
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{
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return new RServiceResult<bool>(false, $"duplicated friendly url '{friendlyUrl}'");
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}
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ImportJob job = new ImportJob()
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{
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JobType = JobType.ChesterBeatty,
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ResourceNumber = resourceNumber,
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FriendlyUrl = friendlyUrl,
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SrcUrl = srcUrl,
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QueueTime = DateTime.Now,
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ProgressPercent = 0,
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Status = ImportJobStatus.NotStarted
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};
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await _context.ImportJobs.AddAsync
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(
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job
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);
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await _context.SaveChangesAsync();
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_backgroundTaskQueue.QueueBackgroundWorkItem
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(
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async token =>
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{
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try
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{
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using (RMuseumDbContext context = new RMuseumDbContext(new DbContextOptions<RMuseumDbContext>()))
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{
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RArtifactMasterRecord book = new RArtifactMasterRecord($"extracted from url {job.ResourceNumber}", $"extracted from url {job.ResourceNumber}")
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{
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Status = PublishStatus.Draft,
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DateTime = DateTime.Now,
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LastModified = DateTime.Now,
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CoverItemIndex = 0,
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FriendlyUrl = friendlyUrl,
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};
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List<RTagValue> meta = new List<RTagValue>();
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RTagValue tag;
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tag = await TagHandler.PrepareAttribute(context, "Type", "Book", 1);
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meta.Add(tag);
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tag = await TagHandler.PrepareAttribute(context, "Type", "Manuscript", 1);
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meta.Add(tag);
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tag = await TagHandler.PrepareAttribute(context, "Source", "Chester Beatty Digital Collections", 1);
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tag.ValueSupplement = srcUrl;
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meta.Add(tag);
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using (RMuseumDbContext importJobUpdaterDb = new RMuseumDbContext(new DbContextOptions<RMuseumDbContext>()))
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{
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job.StartTime = DateTime.Now;
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job.Status = ImportJobStatus.Running;
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job.SrcContent = "";
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importJobUpdaterDb.Update(job);
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await importJobUpdaterDb.SaveChangesAsync();
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}
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List<RArtifactItemRecord> pages = new List<RArtifactItemRecord>();
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int order = 0;
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using (var client = new HttpClient())
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do
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{
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order++;
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using (RMuseumDbContext importJobUpdaterDb = new RMuseumDbContext(new DbContextOptions<RMuseumDbContext>()))
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{
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job.ProgressPercent = order;
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importJobUpdaterDb.Update(job);
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await importJobUpdaterDb.SaveChangesAsync();
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}
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RArtifactItemRecord page = new RArtifactItemRecord()
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{
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Name = $"تصویر {order}",
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NameInEnglish = $"Image {order} of {book.NameInEnglish}",
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Description = "",
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DescriptionInEnglish = "",
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Order = order,
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FriendlyUrl = $"p{$"{order}".PadLeft(4, '0')}",
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LastModified = DateTime.Now
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};
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//string imageUrl = $"https://viewer.cbl.ie/viewer/rest/image/Per_{resourceNumber}/Per{resourceNumber}_{$"{order}".PadLeft(3, '0')}.jpg/full/!10000,10000/0/default.jpg?ignoreWatermark=true";
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string imageUrl = $"https://viewer.cbl.ie/viewer/api/v1/records/Per_{resourceNumber}/files/images/Per{resourceNumber}_{$"{order}".PadLeft(2, '0')}.jpg/full/max/0/default.jpg";
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page.Tags = new RTagValue[] { };
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bool recovered = false;
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if (
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File.Exists
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "orig"), $"{order}".PadLeft(4, '0') + ".jpg")
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)
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&&
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File.Exists
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "norm"), $"{order}".PadLeft(4, '0') + ".jpg")
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)
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&&
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File.Exists
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "thumb"), $"{order}".PadLeft(4, '0') + ".jpg")
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)
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)
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{
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RServiceResult<RPictureFile> picture = await _pictureFileService.RecoverFromeFiles(page.Name, page.Description, 1,
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imageUrl,
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "orig"), $"{order}".PadLeft(4, '0') + ".jpg"),
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "norm"), $"{order}".PadLeft(4, '0') + ".jpg"),
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "thumb"), $"{order}".PadLeft(4, '0') + ".jpg"),
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$"{order}".PadLeft(4, '0') + ".jpg", friendlyUrl);
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if (picture.Result != null)
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{
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recovered = true;
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page.Images = new RPictureFile[] { picture.Result };
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page.CoverImageIndex = 0;
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if (book.CoverItemIndex == (order - 1))
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{
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book.CoverImage = RPictureFile.Duplicate(picture.Result);
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}
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tag = await TagHandler.PrepareAttribute(context, "Source", "Chester Beatty Digital Collections", 1);
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tag.ValueSupplement = $"https://viewer.cbl.ie/viewer/object/Per_{resourceNumber}/{$"{order}".PadLeft(3, '0')}/"; ;
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page.Tags = new RTagValue[] { tag };
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pages.Add(page);
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}
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}
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if (!recovered)
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{
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if (
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File.Exists
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "orig"), $"{order}".PadLeft(4, '0') + ".jpg")
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)
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)
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{
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File.Delete
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "orig"), $"{order}".PadLeft(4, '0') + ".jpg")
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);
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}
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if (
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File.Exists
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "norm"), $"{order}".PadLeft(4, '0') + ".jpg")
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)
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)
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{
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File.Delete
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "norm"), $"{order}".PadLeft(4, '0') + ".jpg")
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);
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}
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if (
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File.Exists
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "thumb"), $"{order}".PadLeft(4, '0') + ".jpg")
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)
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)
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{
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File.Delete
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(
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Path.Combine(Path.Combine(Path.Combine(_pictureFileService.ImageStoragePath, friendlyUrl), "thumb"), $"{order}".PadLeft(4, '0') + ".jpg")
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);
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}
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var imageResult = await client.GetAsync(imageUrl);
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if (imageResult.StatusCode == HttpStatusCode.Forbidden || imageResult.StatusCode == HttpStatusCode.NotFound)
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break;
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int _ImportRetryCount = 5;
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int _ImportRetryInitialSleep = 500;
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int retryCount = 0;
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while (retryCount < _ImportRetryCount && !imageResult.IsSuccessStatusCode && imageResult.StatusCode == HttpStatusCode.ServiceUnavailable)
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{
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imageResult.Dispose();
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Thread.Sleep(_ImportRetryInitialSleep * (retryCount + 1));
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imageResult = await client.GetAsync(imageUrl);
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retryCount++;
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}
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if (imageResult.IsSuccessStatusCode)
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{
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using (Stream imageStream = await imageResult.Content.ReadAsStreamAsync())
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{
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RServiceResult<RPictureFile> picture = await _pictureFileService.Add(page.Name, page.Description, 1, null, imageUrl, imageStream, $"{order}".PadLeft(4, '0') + ".jpg", friendlyUrl);
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if (picture.Result == null)
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{
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throw new Exception($"_pictureFileService.Add : {picture.ExceptionString}");
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}
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page.Images = new RPictureFile[] { picture.Result };
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page.CoverImageIndex = 0;
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if (book.CoverItemIndex == (order - 1))
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{
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book.CoverImage = RPictureFile.Duplicate(picture.Result);
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}
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tag = await TagHandler.PrepareAttribute(context, "Source", "Chester Beatty Digital Collections", 1);
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tag.ValueSupplement = $"https://viewer.cbl.ie/viewer/object/Per_{resourceNumber}/{$"{order}".PadLeft(3, '0')}/";
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page.Tags = new RTagValue[] { tag };
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pages.Add(page);
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}
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}
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else
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{
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using (RMuseumDbContext importJobUpdaterDb = new RMuseumDbContext(new DbContextOptions<RMuseumDbContext>()))
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{
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job.EndTime = DateTime.Now;
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job.Status = ImportJobStatus.Failed;
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job.Exception = $"Http result is not ok ({imageResult.StatusCode}) for page {order}, url {imageUrl}";
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importJobUpdaterDb.Update(job);
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await importJobUpdaterDb.SaveChangesAsync();
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}
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imageResult.Dispose();
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return;
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}
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imageResult.Dispose();
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GC.Collect();
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}
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pages.Add(page);
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}
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while (true);
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book.Tags = meta.ToArray();
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book.Items = pages.ToArray();
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book.ItemCount = pages.Count;
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if (pages.Count == 0)
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{
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using (RMuseumDbContext importJobUpdaterDb = new RMuseumDbContext(new DbContextOptions<RMuseumDbContext>()))
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{
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job.EndTime = DateTime.Now;
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job.Status = ImportJobStatus.Failed;
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job.Exception = "Pages.Count == 0";
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importJobUpdaterDb.Update(job);
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await importJobUpdaterDb.SaveChangesAsync();
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}
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return;
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}
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await context.Artifacts.AddAsync(book);
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await context.SaveChangesAsync();
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var resFTPUpload = await _UploadArtifactToExternalServer(book, context, skipUpload);
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if (!string.IsNullOrEmpty(resFTPUpload.ExceptionString))
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{
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job.EndTime = DateTime.Now;
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job.Status = ImportJobStatus.Failed;
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job.Exception = $"UploadArtifactToExternalServer: {resFTPUpload.ExceptionString}";
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job.ArtifactId = book.Id;
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job.EndTime = DateTime.Now;
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context.Update(job);
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await context.SaveChangesAsync();
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return;
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}
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job.ProgressPercent = 100;
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job.Status = ImportJobStatus.Succeeded;
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job.ArtifactId = book.Id;
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job.EndTime = DateTime.Now;
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context.Update(job);
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await context.SaveChangesAsync();
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}
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}
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catch (Exception exp)
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{
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using (RMuseumDbContext importJobUpdaterDb = new RMuseumDbContext(new DbContextOptions<RMuseumDbContext>()))
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{
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job.EndTime = DateTime.Now;
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job.Status = ImportJobStatus.Failed;
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job.Exception = exp.ToString();
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importJobUpdaterDb.Update(job);
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await importJobUpdaterDb.SaveChangesAsync();
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}
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}
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}
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);
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return new RServiceResult<bool>(true);
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}
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catch (Exception exp)
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{
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return new RServiceResult<bool>(false, exp.ToString());
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}
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}
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}
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}
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