divan/RMuseum/Services/Implementation/ArtifactService-Imports/ArtifactService-ImportChesterBeatty.cs

385 lines
21 KiB
C#

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