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eff8ec56
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Vojtěch Bartička
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using Core.Contexts;
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using Core.Entities;
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using Models.Annotations;
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using Models.Enums;
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using Serilog;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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6bdb3d95
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Vojtěch Bartička
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using Microsoft.EntityFrameworkCore;
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Vojtěch Bartička
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using AutoMapper;
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using Models.Tags;
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Vojtěch Bartička
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using Ganss.XSS;
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using HtmlAgilityPack;
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using System.Text.RegularExpressions;
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using Newtonsoft.Json;
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Vojtěch Bartička
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namespace Core.Services.AnnotationService
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{
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public class AnnotationServiceEF : IAnnotationService
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{
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private readonly DatabaseContext context;
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private readonly ILogger logger;
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private readonly IMapper mapper;
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private const string TAG_ID_ATTRIBUTE_NAME = "aswi-tag-id";
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private const string TAG_INSTANCE_ATTRIBUTE_NAME = "aswi-tag-instance";
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private const string TAG_EF_ID_ATTRIBUTE_NAME = "aswi-tag-ef-id";
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public AnnotationServiceEF(DatabaseContext context, ILogger logger, IMapper mapper)
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{
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this.context = context;
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this.logger = logger;
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this.mapper = mapper;
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}
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public void CreateDocumentAnnotations(AnnotationsAddRequest request, Guid clientUserId)
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{
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User addingUser = context.Users.Single(u => u.Id == clientUserId);
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// Check the documents exist
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var documents = context.Documents.Where(d => request.DocumentIdList.Contains(d.Id)).ToList();
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if (documents.Count() != request.DocumentIdList.Count)
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{
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logger.Information($"Received a non-existent Document ID when assigning documents to users");
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throw new InvalidOperationException($"{request.DocumentIdList.Count - documents.Count()} of the received documents do not exist");
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Vojtěch Bartička
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}
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var users = context.Users.Where(u => request.UserIdList.Contains(u.Id)).ToList();
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foreach (var user in users)
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{
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var userAnnotatedDocuments = context.Annotations.Where(a => a.User == user).Select(a => a.Document).ToList();
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foreach (var doc in documents)
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{
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if (userAnnotatedDocuments.Contains(doc))
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{
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logger.Information($"User {user.Username} has already been assigned the document {doc.Id}, ignoring");
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continue;
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}
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context.Annotations.Add(new Annotation()
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{
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User = user,
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UserAssigned = addingUser,
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DateAssigned = DateTime.Now,
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DateLastChanged = DateTime.Now,
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Document = doc,
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State = EState.NEW,
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Note = ""
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});
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}
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}
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context.SaveChanges();
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}
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public AnnotationListResponse GetUserAnnotations(Guid userId)
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{
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var annotations = context.Annotations.Where(a => a.User.Id == userId).Include(a => a.Document).ToList();
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var documentIds = annotations.Select(a => a.Document.Id).ToList();
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var documents = context.Documents.Where(d => documentIds.Contains(d.Id));
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var infos = new List<AnnotationListInfo>();
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var annotationsDocuments = annotations.Zip(documents, (a, d) => new { Annotation = a, Document = d });
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foreach (var ad in annotationsDocuments)
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{
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infos.Add(new AnnotationListInfo()
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{
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AnnotationId = ad.Annotation.Id,
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DocumentName = ad.Document.Name,
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State = ad.Annotation.State
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});
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}
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return new AnnotationListResponse()
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{
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Annotations = infos
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};
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}
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public AnnotationInfo GetAnnotation(Guid annotationId, Guid userId, ERole userRole)
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{
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var annotation = context.Annotations
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.Where(a => a.Id == annotationId)
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.Include(a => a.User)
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.Include(a => a.Document).ThenInclude(d => d.Content)
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.First();
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if (userRole < ERole.ADMINISTRATOR)
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{
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if (annotation.User.Id != userId)
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{
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throw new UnauthorizedAccessException($"User {userId} does not have assigned annotation {annotationId}");
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}
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}
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var documentContent = context.Documents.Where(d => d.Id == annotation.Document.Id).Select(d => d.Content).First();
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var tags = context.AnnotationTags.Where(at => at.Annotation.Id == annotationId)
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.Include(at => at.Tag)
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.ThenInclude(t => t.Category)
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.Include(at => at.SubTag)
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.OrderBy(at => at.Position)
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.ToList();
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List<TagInstanceInfo> tagInstanceInfos = new();
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foreach (var tag in tags)
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{
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var tagInstance = mapper.Map<TagInstanceInfo>(tag);
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tagInstanceInfos.Add(tagInstance);
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}
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var docToRender = "";
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if (annotation.CachedDocumentHTML == "")
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{
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docToRender = FullPreprocessHTML(documentContent.Content, tags);
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annotation.CachedStartPositions = JsonConvert.SerializeObject(TagStartPositions);
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annotation.CachedLengths = JsonConvert.SerializeObject(TagStartLengths);
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annotation.CachedClosingPositions = JsonConvert.SerializeObject(TagClosingPositions);
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annotation.CachedClosingLengths = JsonConvert.SerializeObject(TagClosingLengths);
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//annotation.CachedNodeDict = JsonConvert.SerializeObject(NodeDict);
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annotation.ModifiedType = EModified.NONE;
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annotation.CachedDocumentHTML = docToRender;
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context.SaveChanges();
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}
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else
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{
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docToRender = annotation.CachedDocumentHTML;
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TagStartPositions = JsonConvert.DeserializeObject<List<int>>(annotation.CachedStartPositions);
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TagStartLengths = JsonConvert.DeserializeObject<List<int>>(annotation.CachedLengths);
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TagClosingPositions = JsonConvert.DeserializeObject<List<int>>(annotation.CachedClosingPositions);
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TagClosingLengths = JsonConvert.DeserializeObject<List<int>>(annotation.CachedClosingLengths);
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// The annotation has been modified and we need to either add the new tag or remove the tag
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if (annotation.ModifiedType != EModified.NONE)
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{
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if (annotation.ModifiedType == EModified.ADDED)
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{
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var lastModifiedTag = context.AnnotationTags.Where(at => at.Id == annotation.LastModifiedTagId).First();
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docToRender = PartialPreprocessHTMLAddTag(docToRender, documentContent.Content, lastModifiedTag, tags);
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}
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else if (annotation.ModifiedType == EModified.REMOVED)
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{
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docToRender = PartialPreprocessHTMLRemoveTag(docToRender, documentContent.Content, new AnnotationTag() { Id = annotation.LastModifiedTagId.Value }, tags);
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}
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annotation.ModifiedType = EModified.NONE;
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annotation.CachedStartPositions = JsonConvert.SerializeObject(TagStartPositions);
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annotation.CachedLengths = JsonConvert.SerializeObject(TagStartLengths);
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annotation.CachedClosingPositions = JsonConvert.SerializeObject(TagClosingPositions);
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annotation.CachedClosingLengths = JsonConvert.SerializeObject(TagClosingLengths);
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annotation.CachedDocumentHTML = docToRender;
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//annotation.CachedNodeDict = JsonConvert.SerializeObject(NodeDict);
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context.SaveChanges();
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}
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}
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0a9f9349
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Vojtěch Bartička
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// We probably cannot use AutoMapper since we are dealing with too many different entities
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AnnotationInfo annotationInfo = new()
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{
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SourceDocumentContent = documentContent.Content,
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DocumentToRender = docToRender,
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TagStartPositions = TagStartPositions.ToArray(),
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TagLengths = TagStartLengths.ToArray(),
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Note = annotation.Note,
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State = annotation.State,
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Type = IsHtml(documentContent.Content) ? EDocumentType.HTML : EDocumentType.TEXT,
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TagInstances = tagInstanceInfos
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};
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553486ad
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Vojtěch Bartička
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NodeDict.Clear();
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Vojtěch Bartička
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return annotationInfo;
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}
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196 |
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0a9f9349
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Vojtěch Bartička
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private List<int> TagStartPositions = new();
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198 |
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private List<int> TagStartLengths = new();
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199 |
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private List<int> TagClosingPositions = new();
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200 |
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private List<int> TagClosingLengths = new();
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201 |
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private Dictionary<HtmlNode, HtmlNode> NodeDict = new();
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202 |
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203 |
553486ad
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Vojtěch Bartička
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/*
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204 |
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* Full HTML Preprocessing -------------------------------------------------------------------------------
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*/
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206 |
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private string FullPreprocessHTML(string htmlSource, List<AnnotationTag> tags)
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209 |
3c185841
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Vojtěch Bartička
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{
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210 |
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var docOriginal = new HtmlDocument();
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docOriginal.LoadHtml(htmlSource);
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212 |
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var docToEdit = new HtmlDocument();
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docToEdit.LoadHtml(htmlSource);
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var descendantsOriginal = docOriginal.DocumentNode.DescendantsAndSelf();
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216 |
553486ad
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Vojtěch Bartička
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var descendantsToEdit = docToEdit.DocumentNode.DescendantsAndSelf().ToList();
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217 |
3c185841
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Vojtěch Bartička
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218 |
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Vojtěch Bartička
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int currentId = 0;
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219 |
3c185841
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Vojtěch Bartička
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220 |
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Vojtěch Bartička
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FillNodeDict(descendantsOriginal, descendantsToEdit);
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221 |
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AssignIdsToOriginalDocument(descendantsOriginal, ref currentId);
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222 |
3c185841
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Vojtěch Bartička
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Vojtěch Bartička
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WrapTextInSpan(descendantsOriginal, docToEdit);
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224 |
3c185841
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Vojtěch Bartička
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225 |
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Vojtěch Bartička
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int descCount = descendantsToEdit.Count;
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226 |
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Vojtěch Bartička
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foreach (var tag in tags)
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228 |
3c185841
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Vojtěch Bartička
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{
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229 |
0a9f9349
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Vojtěch Bartička
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int i = 0;
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230 |
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List<HtmlNode> addedForSelection = new();
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231 |
553486ad
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Vojtěch Bartička
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while (i < descCount)
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232 |
3c185841
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Vojtěch Bartička
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{
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233 |
553486ad
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Vojtěch Bartička
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for (; i < descCount; i++)
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234 |
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Vojtěch Bartička
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{
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235 |
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var node = descendantsToEdit.ElementAt(i);
|
236 |
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if (!node.Name.Contains("#text") || addedForSelection.Contains(node) || addedForSelection.Contains(node.ParentNode) ||
|
237 |
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node.ParentNode.Name == "style")
|
238 |
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{
|
239 |
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continue;
|
240 |
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}
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241 |
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242 |
c9762683
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Vojtěch Bartička
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int nodeId = node.ParentNode.GetAttributeValue(TAG_ID_ATTRIBUTE_NAME, -1);
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243 |
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244 |
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var start = TagStartPositions[nodeId] + TagStartLengths[nodeId];
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245 |
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var end = TagClosingPositions[nodeId];
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246 |
0a9f9349
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Vojtěch Bartička
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247 |
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int selectionStart = tag.Position;
|
248 |
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int selectionEnd = tag.Position + tag.Length;
|
249 |
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|
250 |
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if (selectionStart < end && selectionEnd > start)
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251 |
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{
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252 |
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if (selectionStart <= start && selectionEnd >= end)
|
253 |
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{
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254 |
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addedForSelection.Add(SolveFullFill(node, selectionStart, selectionEnd, start, end, docToEdit, tag));
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255 |
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}
|
256 |
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else if (selectionStart <= start)
|
257 |
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{
|
258 |
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addedForSelection.AddRange(SolveRightGap(node, selectionStart, selectionEnd, start, end, docToEdit, tag));
|
259 |
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}
|
260 |
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else if (selectionEnd >= end)
|
261 |
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{
|
262 |
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addedForSelection.AddRange(SolveLeftGap(node, selectionStart, selectionEnd, start, end, docToEdit, tag));
|
263 |
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}
|
264 |
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else
|
265 |
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{
|
266 |
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addedForSelection.AddRange(SolveLeftRightGap(node, selectionStart, selectionEnd, start, end, docToEdit, tag));
|
267 |
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}
|
268 |
553486ad
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Vojtěch Bartička
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descendantsToEdit = docToEdit.DocumentNode.DescendantsAndSelf().ToList();
|
269 |
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descCount = descendantsToEdit.Count;
|
270 |
0a9f9349
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Vojtěch Bartička
|
break;
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271 |
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}
|
272 |
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}
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273 |
3c185841
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Vojtěch Bartička
|
}
|
274 |
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275 |
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}
|
276 |
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277 |
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string docToRender = docToEdit.DocumentNode.OuterHtml;
|
278 |
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HtmlSanitizer sanitizer = new HtmlSanitizer();
|
279 |
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sanitizer.AllowedAttributes.Clear();
|
280 |
0a9f9349
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Vojtěch Bartička
|
sanitizer.AllowedAttributes.Add(TAG_ID_ATTRIBUTE_NAME);
|
281 |
|
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sanitizer.AllowedAttributes.Add(TAG_INSTANCE_ATTRIBUTE_NAME);
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282 |
c9762683
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Vojtěch Bartička
|
sanitizer.AllowedAttributes.Add("end");
|
283 |
|
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sanitizer.AllowedAttributes.Add("start");
|
284 |
|
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sanitizer.AllowedAttributes.Add("class");
|
285 |
be4deff8
|
Vojtěch Bartička
|
if (sanitizer.AllowedTags.Contains("script"))
|
286 |
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{
|
287 |
|
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sanitizer.AllowedTags.Remove("script");
|
288 |
553486ad
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Vojtěch Bartička
|
}
|
289 |
c9762683
|
Vojtěch Bartička
|
if (!sanitizer.AllowedTags.Contains("style"))
|
290 |
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{
|
291 |
|
|
sanitizer.AllowedTags.Add("style");
|
292 |
be4deff8
|
Vojtěch Bartička
|
}
|
293 |
3c185841
|
Vojtěch Bartička
|
docToRender = sanitizer.Sanitize(docToRender);
|
294 |
|
|
|
295 |
c9762683
|
Vojtěch Bartička
|
HtmlDocument doc = new HtmlDocument();
|
296 |
|
|
doc.LoadHtml(docToRender);
|
297 |
|
|
var cssNode = GenerateCSS(doc, tags, new());
|
298 |
|
|
doc.DocumentNode.ChildNodes.Insert(0, cssNode);
|
299 |
|
|
|
300 |
|
|
return doc.DocumentNode.OuterHtml;
|
301 |
0a9f9349
|
Vojtěch Bartička
|
}
|
302 |
|
|
|
303 |
|
|
private HtmlNode SolveFullFill(HtmlNode node, int selectionStart, int selectionEnd, int start, int end, HtmlDocument docToEdit, AnnotationTag tag)
|
304 |
|
|
{
|
305 |
|
|
// full fill
|
306 |
|
|
string textSelected = node.InnerText;
|
307 |
|
|
|
308 |
|
|
var parentNode = node.ParentNode;
|
309 |
|
|
int nodeIndex = parentNode.ChildNodes.IndexOf(node);
|
310 |
|
|
parentNode.ChildNodes.RemoveAt(nodeIndex);
|
311 |
|
|
|
312 |
|
|
EPosition markerPosition = EPosition.MARK_NONE;
|
313 |
|
|
if (selectionEnd == end && selectionStart == start)
|
314 |
|
|
{
|
315 |
|
|
markerPosition = EPosition.MARK_LEFT_RIGHT;
|
316 |
|
|
}
|
317 |
|
|
|
318 |
553486ad
|
Vojtěch Bartička
|
HtmlNode spanSelected = CreateSpan(docToEdit, textSelected, TagStartPositions.Count, tag.Instance, tag.Id, start, markerPosition);
|
319 |
0a9f9349
|
Vojtěch Bartička
|
parentNode.ChildNodes.Insert(nodeIndex, spanSelected);
|
320 |
|
|
|
321 |
|
|
return spanSelected;
|
322 |
|
|
}
|
323 |
|
|
|
324 |
|
|
private List<HtmlNode> SolveRightGap(HtmlNode node, int selectionStart, int selectionEnd, int start, int end, HtmlDocument docToEdit,
|
325 |
|
|
AnnotationTag tag)
|
326 |
|
|
{
|
327 |
|
|
// partial fill, end gap
|
328 |
|
|
string text = node.InnerText;
|
329 |
|
|
string textAfter = text.Substring(Math.Min(selectionStart - start + tag.Length, text.Length));
|
330 |
|
|
string textSelected = text.Substring(0, selectionEnd - start);
|
331 |
|
|
|
332 |
|
|
var parentNode = node.ParentNode;
|
333 |
|
|
int nodeIndex = parentNode.ChildNodes.IndexOf(node);
|
334 |
|
|
parentNode.ChildNodes.RemoveAt(nodeIndex);
|
335 |
|
|
|
336 |
|
|
int spanSelectedStart = start;
|
337 |
|
|
int spanAfterStart = start + textSelected.Length;
|
338 |
|
|
|
339 |
553486ad
|
Vojtěch Bartička
|
HtmlNode spanSelected = CreateSpan(docToEdit, textSelected, TagStartPositions.Count, tag.Instance, tag.Id, spanSelectedStart, EPosition.MARK_RIGHT);
|
340 |
0a9f9349
|
Vojtěch Bartička
|
parentNode.ChildNodes.Insert(nodeIndex, spanSelected);
|
341 |
|
|
|
342 |
553486ad
|
Vojtěch Bartička
|
HtmlNode spanAfter = CreateSpan(docToEdit, textAfter, TagStartPositions.Count, null, null, spanAfterStart);
|
343 |
0a9f9349
|
Vojtěch Bartička
|
parentNode.ChildNodes.Insert(nodeIndex + 1, spanAfter);
|
344 |
|
|
|
345 |
|
|
return new() { spanSelected, spanAfter };
|
346 |
|
|
}
|
347 |
|
|
|
348 |
|
|
private List<HtmlNode> SolveLeftGap(HtmlNode node, int selectionStart, int selectionEnd, int start, int end, HtmlDocument docToEdit,
|
349 |
|
|
AnnotationTag tag)
|
350 |
|
|
{
|
351 |
|
|
// partial fill, start gap
|
352 |
|
|
string text = node.InnerText;
|
353 |
|
|
string textBefore = text.Substring(0, selectionStart - start);
|
354 |
|
|
string textSelected = text.Substring(selectionStart - start, Math.Min(tag.Length, text.Length - textBefore.Length));
|
355 |
|
|
|
356 |
|
|
var parentNode = node.ParentNode;
|
357 |
|
|
int nodeIndex = parentNode.ChildNodes.IndexOf(node);
|
358 |
|
|
parentNode.ChildNodes.RemoveAt(nodeIndex);
|
359 |
|
|
|
360 |
|
|
int spanBeforeStart = start;
|
361 |
|
|
int spanSelectedStart = start + textBefore.Length;
|
362 |
|
|
|
363 |
553486ad
|
Vojtěch Bartička
|
HtmlNode spanBefore = CreateSpan(docToEdit, textBefore, TagStartPositions.Count, null, null, spanBeforeStart);
|
364 |
0a9f9349
|
Vojtěch Bartička
|
parentNode.ChildNodes.Insert(nodeIndex, spanBefore);
|
365 |
|
|
|
366 |
553486ad
|
Vojtěch Bartička
|
HtmlNode spanSelected = CreateSpan(docToEdit, textSelected, TagStartPositions.Count, tag.Instance, tag.Id, spanSelectedStart, EPosition.MARK_LEFT);
|
367 |
0a9f9349
|
Vojtěch Bartička
|
parentNode.ChildNodes.Insert(nodeIndex + 1, spanSelected);
|
368 |
|
|
|
369 |
|
|
return new() { spanSelected, spanBefore };
|
370 |
|
|
}
|
371 |
|
|
|
372 |
|
|
private List<HtmlNode> SolveLeftRightGap(HtmlNode node, int selectionStart, int selectionEnd, int start, int end, HtmlDocument docToEdit,
|
373 |
|
|
AnnotationTag tag)
|
374 |
|
|
{
|
375 |
|
|
// partial fill, start gap end gap
|
376 |
|
|
string text = node.InnerText;
|
377 |
|
|
string textBefore = text.Substring(0, selectionStart - start);
|
378 |
|
|
string textAfter = text.Substring(selectionStart - start + tag.Length);
|
379 |
|
|
string textSelected = text.Substring(selectionStart - start, tag.Length);
|
380 |
|
|
|
381 |
|
|
var parentNode = node.ParentNode;
|
382 |
|
|
int nodeIndex = parentNode.ChildNodes.IndexOf(node);
|
383 |
|
|
parentNode.ChildNodes.RemoveAt(nodeIndex);
|
384 |
|
|
|
385 |
|
|
int spanBeforeStart = start;
|
386 |
|
|
int spanSelectedStart = start + textBefore.Length;
|
387 |
|
|
int spanAfterStart = start + textBefore.Length + textSelected.Length;
|
388 |
|
|
|
389 |
553486ad
|
Vojtěch Bartička
|
HtmlNode spanBefore = CreateSpan(docToEdit, textBefore, TagStartPositions.Count, null, null, spanBeforeStart);
|
390 |
0a9f9349
|
Vojtěch Bartička
|
parentNode.ChildNodes.Insert(nodeIndex, spanBefore);
|
391 |
|
|
|
392 |
553486ad
|
Vojtěch Bartička
|
HtmlNode spanSelected = CreateSpan(docToEdit, textSelected, TagStartPositions.Count, tag.Instance, tag.Id, spanSelectedStart, EPosition.MARK_LEFT_RIGHT);
|
393 |
0a9f9349
|
Vojtěch Bartička
|
parentNode.ChildNodes.Insert(nodeIndex + 1, spanSelected);
|
394 |
|
|
|
395 |
553486ad
|
Vojtěch Bartička
|
HtmlNode spanAfter = CreateSpan(docToEdit, textAfter, TagStartPositions.Count, null, null, spanAfterStart);
|
396 |
0a9f9349
|
Vojtěch Bartička
|
parentNode.ChildNodes.Insert(nodeIndex + 2, spanAfter);
|
397 |
|
|
|
398 |
|
|
return new() { spanSelected, spanBefore, spanAfter };
|
399 |
|
|
}
|
400 |
|
|
|
401 |
553486ad
|
Vojtěch Bartička
|
private HtmlNode CreateSpan(HtmlDocument doc, string text, int tagId, Guid? instanceId, Guid? entityId, int startPosition, EPosition position = EPosition.MARK_NONE)
|
402 |
0a9f9349
|
Vojtěch Bartička
|
{
|
403 |
|
|
HtmlNode span = doc.CreateElement("span");
|
404 |
|
|
span.InnerHtml = text;
|
405 |
|
|
TagStartPositions.Add(startPosition);
|
406 |
|
|
TagStartLengths.Add(0);
|
407 |
|
|
TagClosingPositions.Add(startPosition + text.Length);
|
408 |
|
|
TagClosingLengths.Add(0);
|
409 |
553486ad
|
Vojtěch Bartička
|
span.Attributes.Add(TAG_ID_ATTRIBUTE_NAME, tagId.ToString());
|
410 |
0a9f9349
|
Vojtěch Bartička
|
|
411 |
|
|
if (instanceId != null)
|
412 |
|
|
{
|
413 |
|
|
span.AddClass("annotation");
|
414 |
553486ad
|
Vojtěch Bartička
|
span.Attributes.Add(TAG_INSTANCE_ATTRIBUTE_NAME, instanceId.Value.ToString());
|
415 |
|
|
span.Attributes.Add(TAG_EF_ID_ATTRIBUTE_NAME, entityId.ToString());
|
416 |
0a9f9349
|
Vojtěch Bartička
|
|
417 |
|
|
if (position == EPosition.MARK_LEFT || position == EPosition.MARK_LEFT_RIGHT)
|
418 |
|
|
{
|
419 |
|
|
span.Attributes.Add("start", "1");
|
420 |
|
|
}
|
421 |
|
|
if (position == EPosition.MARK_RIGHT || position == EPosition.MARK_LEFT_RIGHT)
|
422 |
|
|
{
|
423 |
|
|
span.Attributes.Add("end", "1");
|
424 |
|
|
}
|
425 |
|
|
}
|
426 |
|
|
|
427 |
|
|
return span;
|
428 |
|
|
}
|
429 |
|
|
|
430 |
|
|
private enum EPosition
|
431 |
|
|
{
|
432 |
|
|
MARK_LEFT = 5,
|
433 |
|
|
MARK_RIGHT = 3,
|
434 |
|
|
MARK_LEFT_RIGHT = 2,
|
435 |
|
|
MARK_NONE = 0
|
436 |
|
|
}
|
437 |
|
|
|
438 |
|
|
private void WrapTextInSpan(IEnumerable<HtmlNode> descendantsOriginal, HtmlDocument docToEdit)
|
439 |
|
|
{
|
440 |
ecf6d2e0
|
Vojtěch Bartička
|
// Special case for non-html documents
|
441 |
|
|
if (descendantsOriginal.Count() == 2)
|
442 |
|
|
{
|
443 |
|
|
var documentNode = descendantsOriginal.ElementAt(0);
|
444 |
|
|
var childNode = descendantsOriginal.ElementAt(1);
|
445 |
|
|
if (documentNode.Name == "#document" && childNode.Name == "#text")
|
446 |
|
|
{
|
447 |
|
|
HtmlNode coveringSpan = docToEdit.CreateElement("span");
|
448 |
|
|
coveringSpan.InnerHtml = childNode.InnerHtml;
|
449 |
|
|
TagStartPositions.Add(childNode.InnerStartIndex);
|
450 |
|
|
TagStartLengths.Add(0);
|
451 |
|
|
TagClosingPositions.Add(childNode.InnerStartIndex + childNode.InnerLength);
|
452 |
|
|
TagClosingLengths.Add(0);
|
453 |
|
|
coveringSpan.Attributes.Add(TAG_ID_ATTRIBUTE_NAME, (TagStartPositions.Count - 1).ToString());
|
454 |
|
|
|
455 |
|
|
var parent = NodeDict[documentNode];
|
456 |
|
|
|
457 |
|
|
parent.ChildNodes.RemoveAt(0);
|
458 |
|
|
parent.ChildNodes.Add(coveringSpan);
|
459 |
|
|
|
460 |
|
|
return;
|
461 |
|
|
}
|
462 |
|
|
}
|
463 |
|
|
|
464 |
0a9f9349
|
Vojtěch Bartička
|
foreach (var node in descendantsOriginal)
|
465 |
|
|
{
|
466 |
|
|
var originalNode = node;
|
467 |
|
|
var toEditNode = NodeDict[node];
|
468 |
|
|
|
469 |
|
|
if (originalNode.Name.Contains("#"))
|
470 |
|
|
{
|
471 |
|
|
continue;
|
472 |
|
|
}
|
473 |
|
|
else
|
474 |
|
|
{
|
475 |
|
|
bool onlyText = true;
|
476 |
|
|
bool onlySubtags = true;
|
477 |
|
|
|
478 |
|
|
foreach (var child in node.ChildNodes)
|
479 |
|
|
{
|
480 |
|
|
if (child.Name.Contains("#"))
|
481 |
|
|
{
|
482 |
|
|
onlySubtags = false;
|
483 |
|
|
}
|
484 |
|
|
else
|
485 |
|
|
{
|
486 |
|
|
onlyText = false;
|
487 |
|
|
}
|
488 |
|
|
}
|
489 |
|
|
|
490 |
|
|
if (onlyText || onlySubtags)
|
491 |
|
|
{
|
492 |
|
|
continue;
|
493 |
|
|
}
|
494 |
|
|
else
|
495 |
|
|
{
|
496 |
|
|
|
497 |
|
|
foreach (var child in node.ChildNodes)
|
498 |
|
|
{
|
499 |
|
|
if (child.Name.Contains("#text"))
|
500 |
|
|
{
|
501 |
|
|
HtmlNode coveringSpan = docToEdit.CreateElement("span");
|
502 |
|
|
coveringSpan.InnerHtml = child.InnerHtml;
|
503 |
|
|
TagStartPositions.Add(child.InnerStartIndex);
|
504 |
|
|
TagStartLengths.Add(0);
|
505 |
|
|
TagClosingPositions.Add(child.InnerStartIndex + child.InnerLength);
|
506 |
|
|
TagClosingLengths.Add(0);
|
507 |
|
|
coveringSpan.Attributes.Add(TAG_ID_ATTRIBUTE_NAME, (TagStartPositions.Count - 1).ToString());
|
508 |
|
|
|
509 |
|
|
var parent = NodeDict[node];
|
510 |
|
|
var index = parent.ChildNodes.IndexOf(NodeDict[child]);
|
511 |
|
|
|
512 |
|
|
parent.ChildNodes.RemoveAt(index);
|
513 |
|
|
parent.ChildNodes.Insert(index, coveringSpan);
|
514 |
|
|
}
|
515 |
|
|
}
|
516 |
|
|
}
|
517 |
|
|
}
|
518 |
|
|
}
|
519 |
|
|
}
|
520 |
|
|
|
521 |
|
|
private HtmlNode GenerateCSS(HtmlDocument docToEdit, List<AnnotationTag> tags, List<int> paddings)
|
522 |
|
|
{
|
523 |
|
|
HtmlNode style = docToEdit.CreateElement("style");
|
524 |
|
|
|
525 |
|
|
string inner = "span.annotation {border-bottom: 2px solid;}";
|
526 |
|
|
inner += "span {line-height: 30px}\n";
|
527 |
|
|
|
528 |
|
|
// TODO temporary
|
529 |
c9762683
|
Vojtěch Bartička
|
int lastPadding = 0;
|
530 |
0a9f9349
|
Vojtěch Bartička
|
foreach (var tag in tags)
|
531 |
|
|
{
|
532 |
c9762683
|
Vojtěch Bartička
|
inner += $"span[{TAG_INSTANCE_ATTRIBUTE_NAME}=\"{tag.Instance}\"] {{ border-color:{tag.Tag.Color}; padding-bottom: {lastPadding % 5}px }}";
|
533 |
0a9f9349
|
Vojtěch Bartička
|
lastPadding += 2;
|
534 |
|
|
}
|
535 |
|
|
|
536 |
|
|
inner += "span[end=\"1\"] {border-end-end-radius: 0px; border-right: 1px solid darkgray}\n";
|
537 |
|
|
inner += "span[start=\"1\"] {border-end-start-radius: 0px; border-left: 1px solid darkgray}\n";
|
538 |
|
|
|
539 |
|
|
style.InnerHtml = inner;
|
540 |
|
|
return style;
|
541 |
|
|
}
|
542 |
|
|
|
543 |
|
|
private void AssignIdsToOriginalDocument(IEnumerable<HtmlNode> descendantsOriginal, ref int currentId)
|
544 |
|
|
{
|
545 |
|
|
foreach (var node in descendantsOriginal)
|
546 |
|
|
{
|
547 |
|
|
var originalNode = node;
|
548 |
|
|
var toEditNode = NodeDict[node];
|
549 |
|
|
|
550 |
|
|
if (originalNode.Name.Contains("#"))
|
551 |
|
|
{
|
552 |
|
|
continue;
|
553 |
|
|
}
|
554 |
|
|
else
|
555 |
|
|
{
|
556 |
|
|
TagStartPositions.Add(originalNode.OuterStartIndex);
|
557 |
|
|
TagStartLengths.Add(originalNode.InnerStartIndex - originalNode.OuterStartIndex);
|
558 |
|
|
currentId = TagStartPositions.Count - 1;
|
559 |
|
|
toEditNode.Attributes.Add(TAG_ID_ATTRIBUTE_NAME, currentId.ToString());
|
560 |
|
|
|
561 |
|
|
TagClosingPositions.Add(originalNode.InnerStartIndex + originalNode.InnerLength);
|
562 |
|
|
TagClosingLengths.Add((originalNode.OuterStartIndex + originalNode.OuterLength) - (originalNode.InnerStartIndex + originalNode.InnerLength));
|
563 |
|
|
}
|
564 |
|
|
}
|
565 |
|
|
}
|
566 |
|
|
|
567 |
|
|
private void FillNodeDict(IEnumerable<HtmlNode> descendantsOriginal, IEnumerable<HtmlNode> descendantsToEdit)
|
568 |
|
|
{
|
569 |
|
|
var zipped = descendantsOriginal.Zip(descendantsToEdit, (orig, toEdit) => new
|
570 |
|
|
{
|
571 |
|
|
Original = orig,
|
572 |
|
|
ToEdit = toEdit
|
573 |
|
|
});
|
574 |
|
|
foreach (var node in zipped)
|
575 |
|
|
{
|
576 |
|
|
var originalNode = node.Original;
|
577 |
|
|
var toEditNode = node.ToEdit;
|
578 |
|
|
NodeDict.Add(originalNode, toEditNode);
|
579 |
|
|
}
|
580 |
3c185841
|
Vojtěch Bartička
|
}
|
581 |
|
|
|
582 |
553486ad
|
Vojtěch Bartička
|
|
583 |
|
|
/*
|
584 |
|
|
* Full HTML Preprocessing -------------------------------------------------------------------------------
|
585 |
|
|
*/
|
586 |
|
|
|
587 |
|
|
/*
|
588 |
|
|
* Partial HTML Preprocessing ----------------------------------------------------------------------------
|
589 |
|
|
*/
|
590 |
|
|
|
591 |
|
|
private string PartialPreprocessHTMLAddTag(string htmlToEdit, string htmlOriginal, AnnotationTag tagToAdd, List<AnnotationTag> tags)
|
592 |
|
|
{
|
593 |
|
|
var docOriginal = new HtmlDocument();
|
594 |
|
|
docOriginal.LoadHtml(htmlOriginal);
|
595 |
|
|
var docToEdit = new HtmlDocument();
|
596 |
|
|
docToEdit.LoadHtml(htmlToEdit);
|
597 |
|
|
|
598 |
|
|
var descendantsToEdit = docToEdit.DocumentNode.DescendantsAndSelf().ToList();
|
599 |
|
|
RemoveCSS(docToEdit);
|
600 |
|
|
|
601 |
|
|
int i = 0;
|
602 |
|
|
List<HtmlNode> addedForSelection = new();
|
603 |
|
|
|
604 |
|
|
int descendantsCount = descendantsToEdit.Count();
|
605 |
|
|
while (i < descendantsCount)
|
606 |
|
|
{
|
607 |
|
|
for (; i < descendantsCount; i++)
|
608 |
|
|
{
|
609 |
|
|
var node = descendantsToEdit.ElementAt(i);
|
610 |
|
|
if (!node.Name.Contains("#text") || addedForSelection.Contains(node) || addedForSelection.Contains(node.ParentNode) ||
|
611 |
ecf6d2e0
|
Vojtěch Bartička
|
node.ParentNode.Name == "style" || node.ParentNode.Name.StartsWith("#"))
|
612 |
553486ad
|
Vojtěch Bartička
|
{
|
613 |
|
|
continue;
|
614 |
|
|
}
|
615 |
|
|
|
616 |
|
|
int nodeId = node.ParentNode.GetAttributeValue(TAG_ID_ATTRIBUTE_NAME, -1);
|
617 |
|
|
|
618 |
|
|
var start = TagStartPositions[nodeId] + TagStartLengths[nodeId];
|
619 |
|
|
var end = TagClosingPositions[nodeId];
|
620 |
|
|
|
621 |
|
|
int selectionStart = tagToAdd.Position;
|
622 |
|
|
int selectionEnd = tagToAdd.Position + tagToAdd.Length;
|
623 |
|
|
|
624 |
|
|
if (selectionStart < end && selectionEnd > start)
|
625 |
|
|
{
|
626 |
|
|
if (selectionStart <= start && selectionEnd >= end)
|
627 |
|
|
{
|
628 |
|
|
addedForSelection.Add(SolveFullFill(node, selectionStart, selectionEnd, start, end, docToEdit, tagToAdd));
|
629 |
|
|
}
|
630 |
|
|
else if (selectionStart <= start)
|
631 |
|
|
{
|
632 |
|
|
addedForSelection.AddRange(SolveRightGap(node, selectionStart, selectionEnd, start, end, docToEdit, tagToAdd));
|
633 |
|
|
}
|
634 |
|
|
else if (selectionEnd >= end)
|
635 |
|
|
{
|
636 |
|
|
addedForSelection.AddRange(SolveLeftGap(node, selectionStart, selectionEnd, start, end, docToEdit, tagToAdd));
|
637 |
|
|
}
|
638 |
|
|
else
|
639 |
|
|
{
|
640 |
|
|
addedForSelection.AddRange(SolveLeftRightGap(node, selectionStart, selectionEnd, start, end, docToEdit, tagToAdd));
|
641 |
|
|
}
|
642 |
|
|
descendantsToEdit = docToEdit.DocumentNode.DescendantsAndSelf().ToList();
|
643 |
|
|
descendantsCount = descendantsToEdit.Count();
|
644 |
|
|
break;
|
645 |
|
|
}
|
646 |
|
|
}
|
647 |
|
|
}
|
648 |
|
|
|
649 |
|
|
var cssNode = GenerateCSS(docToEdit, tags, new());
|
650 |
|
|
docToEdit.DocumentNode.ChildNodes.Insert(0, cssNode);
|
651 |
|
|
|
652 |
|
|
return docToEdit.DocumentNode.OuterHtml;
|
653 |
|
|
}
|
654 |
|
|
|
655 |
|
|
|
656 |
|
|
private string PartialPreprocessHTMLRemoveTag(string htmlToEdit, string htmlOriginal, AnnotationTag tagToRemove, List<AnnotationTag> tags)
|
657 |
|
|
{
|
658 |
|
|
var docOriginal = new HtmlDocument();
|
659 |
|
|
docOriginal.LoadHtml(htmlOriginal);
|
660 |
|
|
var docToEdit = new HtmlDocument();
|
661 |
|
|
docToEdit.LoadHtml(htmlToEdit);
|
662 |
|
|
|
663 |
|
|
var descendantsToEdit = docToEdit.DocumentNode.DescendantsAndSelf().ToList();
|
664 |
|
|
RemoveCSS(docToEdit);
|
665 |
|
|
|
666 |
|
|
int i = 0;
|
667 |
|
|
int descendantsCount = descendantsToEdit.Count();
|
668 |
|
|
while (i < descendantsCount)
|
669 |
|
|
{
|
670 |
|
|
for (; i < descendantsCount; i++)
|
671 |
|
|
{
|
672 |
|
|
var node = descendantsToEdit.ElementAt(i);
|
673 |
|
|
if (!node.Attributes.Contains(TAG_EF_ID_ATTRIBUTE_NAME))
|
674 |
|
|
{
|
675 |
|
|
continue;
|
676 |
|
|
}
|
677 |
|
|
else
|
678 |
|
|
{
|
679 |
|
|
if (node.Attributes[TAG_EF_ID_ATTRIBUTE_NAME].Value != tagToRemove.Id.ToString())
|
680 |
|
|
{
|
681 |
|
|
continue;
|
682 |
|
|
}
|
683 |
|
|
|
684 |
|
|
node.Attributes.Remove(TAG_EF_ID_ATTRIBUTE_NAME);
|
685 |
|
|
node.Attributes.Remove(TAG_INSTANCE_ATTRIBUTE_NAME);
|
686 |
|
|
node.Attributes.Remove("class");
|
687 |
|
|
node.Attributes.Remove("start");
|
688 |
|
|
node.Attributes.Remove("end");
|
689 |
|
|
|
690 |
|
|
/*var parent = node.ParentNode;
|
691 |
|
|
var contents = node.ChildNodes;
|
692 |
|
|
int index = parent.ChildNodes.IndexOf(node);
|
693 |
|
|
parent.ChildNodes.RemoveAt(index);
|
694 |
|
|
|
695 |
|
|
List<HtmlNode> newChildren = new();
|
696 |
|
|
for (int j = 0; j < index; j++)
|
697 |
|
|
{
|
698 |
|
|
newChildren.Add(parent.ChildNodes[j]);
|
699 |
|
|
}
|
700 |
|
|
for (int j = 0; j < contents.Count; j++)
|
701 |
|
|
{
|
702 |
|
|
newChildren.Add(contents[j]);
|
703 |
|
|
}
|
704 |
|
|
for (int j = index; j < parent.ChildNodes.Count; j++)
|
705 |
|
|
{
|
706 |
|
|
newChildren.Add(parent.ChildNodes[j]);
|
707 |
|
|
}
|
708 |
|
|
|
709 |
|
|
parent.ChildNodes.Clear();
|
710 |
|
|
foreach (var child in newChildren) { parent.ChildNodes.Add(child); }*/
|
711 |
58363b44
|
Vojtěch Bartička
|
|
712 |
553486ad
|
Vojtěch Bartička
|
descendantsToEdit = docToEdit.DocumentNode.DescendantsAndSelf().ToList();
|
713 |
|
|
descendantsCount = descendantsToEdit.Count();
|
714 |
|
|
break;
|
715 |
|
|
}
|
716 |
|
|
}
|
717 |
|
|
}
|
718 |
|
|
|
719 |
|
|
var cssNode = GenerateCSS(docToEdit, tags, new());
|
720 |
|
|
docToEdit.DocumentNode.ChildNodes.Insert(0, cssNode);
|
721 |
|
|
|
722 |
|
|
return docToEdit.DocumentNode.OuterHtml;
|
723 |
|
|
}
|
724 |
|
|
|
725 |
|
|
private void RemoveCSS(HtmlDocument doc)
|
726 |
|
|
{
|
727 |
|
|
doc.DocumentNode.ChildNodes.RemoveAt(0);
|
728 |
|
|
}
|
729 |
|
|
|
730 |
|
|
/*
|
731 |
|
|
* Partial HTML Preprocessing ----------------------------------------------------------------------------
|
732 |
|
|
*/
|
733 |
|
|
|
734 |
|
|
|
735 |
a6675a6d
|
Vojtěch Bartička
|
// TODO temporary
|
736 |
|
|
private bool IsHtml(string text)
|
737 |
|
|
{
|
738 |
0a9f9349
|
Vojtěch Bartička
|
return text.Contains("<html>");
|
739 |
a6675a6d
|
Vojtěch Bartička
|
}
|
740 |
be4deff8
|
Vojtěch Bartička
|
|
741 |
|
|
public void AddAnnotationInstance(Guid annotationId, Guid userId, ERole userRole, AnnotationInstanceAddRequest request)
|
742 |
|
|
{
|
743 |
|
|
var annotation = context.Annotations
|
744 |
|
|
.Where(a => a.Id == annotationId)
|
745 |
|
|
.Include(a => a.User)
|
746 |
|
|
.Include(a => a.Document).ThenInclude(d => d.Content)
|
747 |
|
|
.First();
|
748 |
|
|
|
749 |
|
|
if (userRole < ERole.ADMINISTRATOR)
|
750 |
|
|
{
|
751 |
|
|
if (annotation.User.Id != userId)
|
752 |
|
|
{
|
753 |
|
|
throw new UnauthorizedAccessException($"User {userId} does not have assigned annotation {annotationId}");
|
754 |
|
|
}
|
755 |
|
|
}
|
756 |
|
|
|
757 |
|
|
AnnotationTag annotationTag = new()
|
758 |
|
|
{
|
759 |
553486ad
|
Vojtěch Bartička
|
Id = Guid.NewGuid(),
|
760 |
be4deff8
|
Vojtěch Bartička
|
Annotation = annotation,
|
761 |
|
|
Instance = request.InstanceId == null ? Guid.NewGuid() : request.InstanceId.Value,
|
762 |
|
|
Length = request.Length,
|
763 |
|
|
Position = request.Position,
|
764 |
|
|
Note = ""
|
765 |
|
|
};
|
766 |
|
|
|
767 |
|
|
if (request.Type == ETagType.TAG)
|
768 |
|
|
{
|
769 |
|
|
annotationTag.Tag = context.Tags.Where(t => t.Id == request.Id).Single();
|
770 |
|
|
annotationTag.SubTag = null;
|
771 |
58363b44
|
Vojtěch Bartička
|
|
772 |
|
|
// If for the same annotation exists a tag with same position and length and of the same type, ignore
|
773 |
|
|
if (context.AnnotationTags.Any(at =>
|
774 |
|
|
at.Position == annotationTag.Position &&
|
775 |
|
|
at.Length == annotationTag.Length &&
|
776 |
|
|
at.Annotation == annotation &&
|
777 |
|
|
at.Tag == annotationTag.Tag))
|
778 |
|
|
{
|
779 |
|
|
throw new InvalidOperationException("Duplicate tag");
|
780 |
|
|
}
|
781 |
|
|
|
782 |
be4deff8
|
Vojtěch Bartička
|
}
|
783 |
|
|
else if (request.Type == ETagType.SUBTAG)
|
784 |
|
|
{
|
785 |
|
|
var subTag = context.SubTags.Where(st => st.Id == request.Id).Include(st => st.Tag).Single();
|
786 |
|
|
annotationTag.SubTag = subTag;
|
787 |
|
|
annotationTag.Tag = subTag.Tag;
|
788 |
58363b44
|
Vojtěch Bartička
|
|
789 |
|
|
if (context.AnnotationTags.Any(at =>
|
790 |
|
|
at.Position == annotationTag.Position &&
|
791 |
|
|
at.Length == annotationTag.Length &&
|
792 |
|
|
at.Annotation == annotation &&
|
793 |
|
|
at.Tag == annotationTag.Tag &&
|
794 |
|
|
at.SubTag == annotationTag.SubTag))
|
795 |
|
|
{
|
796 |
|
|
throw new InvalidOperationException("Duplicate tag");
|
797 |
|
|
}
|
798 |
be4deff8
|
Vojtěch Bartička
|
}
|
799 |
|
|
else
|
800 |
|
|
{
|
801 |
|
|
throw new ArgumentException($"Unknown tag type {request.Type}");
|
802 |
|
|
}
|
803 |
|
|
|
804 |
553486ad
|
Vojtěch Bartička
|
annotation.LastModifiedTagId = annotationTag.Id;
|
805 |
|
|
annotation.ModifiedType = EModified.ADDED;
|
806 |
|
|
|
807 |
abf94f21
|
Lukáš Vlček
|
context.AnnotationTags.Add(annotationTag);
|
808 |
be4deff8
|
Vojtěch Bartička
|
context.SaveChanges();
|
809 |
|
|
}
|
810 |
0f8d6304
|
Vojtěch Bartička
|
|
811 |
|
|
public void DeleteAnnotationInstance(Guid annotationId, Guid tagInstanceId, Guid loggedUserId, ERole userRole)
|
812 |
|
|
{
|
813 |
|
|
Annotation annotation = null;
|
814 |
|
|
try
|
815 |
|
|
{
|
816 |
|
|
annotation = context.Annotations
|
817 |
|
|
.Where(a => a.Id == annotationId)
|
818 |
|
|
.Include(a => a.User)
|
819 |
|
|
.Include(a => a.Document).ThenInclude(d => d.Content)
|
820 |
|
|
.First();
|
821 |
|
|
|
822 |
|
|
}
|
823 |
|
|
catch (Exception ex)
|
824 |
|
|
{
|
825 |
|
|
throw new InvalidOperationException("Could not find annotation");
|
826 |
|
|
}
|
827 |
|
|
|
828 |
|
|
|
829 |
|
|
if (userRole < ERole.ADMINISTRATOR)
|
830 |
|
|
{
|
831 |
|
|
if (annotation.User.Id != loggedUserId)
|
832 |
|
|
{
|
833 |
|
|
throw new UnauthorizedAccessException($"User {loggedUserId} does not have assigned annotation {annotationId}");
|
834 |
|
|
}
|
835 |
|
|
}
|
836 |
|
|
|
837 |
|
|
if (!context.AnnotationTags.Any(at => at.Id == tagInstanceId))
|
838 |
|
|
{
|
839 |
|
|
throw new InvalidOperationException("Could not find tag instance");
|
840 |
|
|
}
|
841 |
|
|
|
842 |
553486ad
|
Vojtěch Bartička
|
|
843 |
|
|
var annotationTag = context.AnnotationTags.First(at => at.Id == tagInstanceId);
|
844 |
|
|
annotation.LastModifiedTagId = annotationTag.Id;
|
845 |
|
|
annotation.ModifiedType = EModified.REMOVED;
|
846 |
|
|
|
847 |
|
|
context.AnnotationTags.Remove(annotationTag);
|
848 |
0a9f9349
|
Vojtěch Bartička
|
|
849 |
0f8d6304
|
Vojtěch Bartička
|
context.SaveChanges();
|
850 |
|
|
}
|
851 |
eff8ec56
|
Vojtěch Bartička
|
}
|
852 |
|
|
}
|