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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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using Microsoft.EntityFrameworkCore;
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using AutoMapper;
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using Models.Tags;
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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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using Core.GraphUtils;
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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 readonly IHTMLService htmlService;
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public AnnotationServiceEF(DatabaseContext context, ILogger logger, IMapper mapper, IHTMLService htmlService)
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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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this.htmlService = htmlService;
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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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}
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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 void AddNoteToAnnotation(Guid annotationId, Guid userId, ERole userRole, AddNoteToAnnotationRequest request)
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{
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Annotation annotation = null;
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try
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{
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annotation = context.Annotations.Include(a => a.User).First(a => a.Id == annotationId);
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}
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catch (Exception)
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{
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throw new InvalidOperationException("Annotation not found");
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}
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if (userRole < ERole.ADMINISTRATOR && annotation.User.Id != userId)
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{
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throw new UnauthorizedAccessException("User does not have access to this annotation");
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}
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annotation.Note = request.Note;
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context.SaveChanges();
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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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.Select(at => at as AnnotationTagGeneric)
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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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HTMLService.CachedInfo cachedInfoToReturn = new();
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if (annotation.CachedDocumentHTML == "")
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{
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var result = htmlService.FullPreprocessHTML(documentContent.Content, tags);
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cachedInfoToReturn = result.Item2;
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docToRender = result.Item1;
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annotation.CachedStartPositions = JsonConvert.SerializeObject(cachedInfoToReturn.TagStartPositions);
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annotation.CachedLengths = JsonConvert.SerializeObject(cachedInfoToReturn.TagStartLengths);
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annotation.CachedClosingPositions = JsonConvert.SerializeObject(cachedInfoToReturn.TagClosingPositions);
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annotation.CachedClosingLengths = JsonConvert.SerializeObject(cachedInfoToReturn.TagClosingLengths);
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annotation.CachedCSS = JsonConvert.SerializeObject(cachedInfoToReturn.TagInstanceCSS);
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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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cachedInfoToReturn = new()
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{
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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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TagInstanceCSS = JsonConvert.DeserializeObject<List<TagInstanceCSSInfo>>(annotation.CachedCSS)
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};
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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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var result = htmlService.PartialPreprocessHTMLAddTag(docToRender, documentContent.Content, lastModifiedTag, tags, cachedInfoToReturn);
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docToRender = result.Item1;
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cachedInfoToReturn = result.Item2;
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}
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else if (annotation.ModifiedType == EModified.REMOVED)
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{
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var result = htmlService.PartialPreprocessHTMLRemoveTag(docToRender, documentContent.Content, new AnnotationTag() { Id = annotation.LastModifiedTagId.Value }, tags, cachedInfoToReturn);
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docToRender = result.Item1;
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cachedInfoToReturn = result.Item2;
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}
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annotation.ModifiedType = EModified.NONE;
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annotation.CachedStartPositions = JsonConvert.SerializeObject(cachedInfoToReturn.TagStartPositions);
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annotation.CachedLengths = JsonConvert.SerializeObject(cachedInfoToReturn.TagStartLengths);
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annotation.CachedClosingPositions = JsonConvert.SerializeObject(cachedInfoToReturn.TagClosingPositions);
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annotation.CachedClosingLengths = JsonConvert.SerializeObject(cachedInfoToReturn.TagClosingLengths);
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annotation.CachedDocumentHTML = docToRender;
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annotation.CachedCSS = JsonConvert.SerializeObject(cachedInfoToReturn.TagInstanceCSS);
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context.SaveChanges();
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}
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}
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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 = cachedInfoToReturn.TagStartPositions.ToArray(),
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TagLengths = cachedInfoToReturn.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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CSSInfo = cachedInfoToReturn.TagInstanceCSS
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};
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return annotationInfo;
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}
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// TODO temporary
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private bool IsHtml(string text)
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{
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return text.Contains("<html>");
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}
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public void AddAnnotationInstance(Guid annotationId, Guid userId, ERole userRole, AnnotationInstanceAddRequest request)
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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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AnnotationTag annotationTag = new()
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{
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Id = Guid.NewGuid(),
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Annotation = annotation,
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Instance = request.InstanceId == null ? Guid.NewGuid() : request.InstanceId.Value,
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Length = request.Length,
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Position = request.Position,
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SelectedText = request.SelectedText,
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Note = ""
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};
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if (request.Type == ETagType.TAG)
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{
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annotationTag.Tag = context.Tags.Where(t => t.Id == request.Id).Single();
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annotationTag.SubTag = null;
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if (annotationTag.Tag.SentimentEnabled)
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{
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annotationTag.Sentiment = ETagSentiment.NEUTRAL;
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}
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// If for the same annotation exists a tag with same position and length and of the same type, ignore
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if (context.AnnotationTags.Any(at =>
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at.Position == annotationTag.Position &&
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at.Length == annotationTag.Length &&
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at.Annotation == annotation &&
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at.Tag == annotationTag.Tag))
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{
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throw new InvalidOperationException("Duplicate tag");
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}
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}
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else if (request.Type == ETagType.SUBTAG)
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{
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var subTag = context.SubTags.Where(st => st.Id == request.Id).Include(st => st.Tag).Single();
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annotationTag.SubTag = subTag;
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annotationTag.Tag = subTag.Tag;
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290
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if (annotationTag.SubTag.SentimentEnabled)
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{
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annotationTag.Sentiment = ETagSentiment.NEUTRAL;
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}
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295
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if (context.AnnotationTags.Any(at =>
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at.Position == annotationTag.Position &&
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at.Length == annotationTag.Length &&
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at.Annotation == annotation &&
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at.Tag == annotationTag.Tag &&
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at.SubTag == annotationTag.SubTag))
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{
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303
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throw new InvalidOperationException("Duplicate tag");
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}
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}
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else
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{
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throw new ArgumentException($"Unknown tag type {request.Type}");
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}
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310
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311
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if (annotation.State == EState.NEW)
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{
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annotation.State = EState.IN_PROGRESS;
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}
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315
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316
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annotation.LastModifiedTagId = annotationTag.Id;
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annotation.ModifiedType = EModified.ADDED;
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context.AnnotationTags.Add(annotationTag);
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context.SaveChanges();
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}
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322
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323
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public void DeleteAnnotationInstance(Guid annotationId, Guid tagInstanceId, Guid loggedUserId, ERole userRole)
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324
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{
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325
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Annotation annotation = null;
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326
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try
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327
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{
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328
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annotation = context.Annotations
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329
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.Where(a => a.Id == annotationId)
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.Include(a => a.User)
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331
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.Include(a => a.Document).ThenInclude(d => d.Content)
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.First();
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333
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334
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}
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335
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catch (Exception ex)
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336
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{
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337
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throw new InvalidOperationException("Could not find annotation");
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338
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}
|
339
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|
340
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341
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if (userRole < ERole.ADMINISTRATOR)
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342
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{
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343
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if (annotation.User.Id != loggedUserId)
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344
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{
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345
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throw new UnauthorizedAccessException($"User {loggedUserId} does not have assigned annotation {annotationId}");
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346
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}
|
347
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}
|
348
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349
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if (!context.AnnotationTags.Any(at => at.Id == tagInstanceId))
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350
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{
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351
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throw new InvalidOperationException("Could not find tag instance");
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352
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}
|
353
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|
354
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355
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var annotationTag = context.AnnotationTags.First(at => at.Id == tagInstanceId);
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356
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annotation.LastModifiedTagId = annotationTag.Id;
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357
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annotation.ModifiedType = EModified.REMOVED;
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358
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359
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context.AnnotationTags.Remove(annotationTag);
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360
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361
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context.SaveChanges();
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362
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}
|
363
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|
364
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public void SetTagInstanceSentiment(Guid annotationId, Guid instanceId, Guid userId, ERole userRole, ETagSentiment sentiment)
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365
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{
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366
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Annotation annotation = null;
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367
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try
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368
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{
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369
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annotation = context.Annotations
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370
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.Where(a => a.Id == annotationId)
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371
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.Include(a => a.User)
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372
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.Include(a => a.Document).ThenInclude(d => d.Content)
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373
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.First();
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374
|
|
375
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}
|
376
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catch (Exception ex)
|
377
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{
|
378
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throw new InvalidOperationException("Could not find annotation");
|
379
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}
|
380
|
|
381
|
|
382
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if (userRole < ERole.ADMINISTRATOR)
|
383
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{
|
384
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if (annotation.User.Id != userId)
|
385
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{
|
386
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throw new UnauthorizedAccessException($"User {userId} does not have assigned annotation {annotationId}");
|
387
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}
|
388
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}
|
389
|
|
390
|
|
391
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var tagInstances = context.AnnotationTags.Where(at => at.Instance == instanceId).ToList();
|
392
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if (tagInstances.Count() == 0)
|
393
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{
|
394
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throw new InvalidOperationException("No such instance found");
|
395
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}
|
396
|
|
397
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foreach (var tagInstance in tagInstances)
|
398
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{
|
399
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tagInstance.Sentiment = sentiment;
|
400
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}
|
401
|
|
402
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context.SaveChanges();
|
403
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}
|
404
|
|
405
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public void MarkAnnotationAsDone(Guid annotationId, Guid userId, ERole userRole, bool done)
|
406
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{
|
407
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Annotation annotation = null;
|
408
|
try
|
409
|
{
|
410
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annotation = context.Annotations
|
411
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.Where(a => a.Id == annotationId)
|
412
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.Include(a => a.User)
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413
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.Include(a => a.Document).ThenInclude(d => d.Content)
|
414
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.First();
|
415
|
|
416
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}
|
417
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catch (Exception ex)
|
418
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{
|
419
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throw new InvalidOperationException("Could not find annotation");
|
420
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}
|
421
|
|
422
|
|
423
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if (userRole < ERole.ADMINISTRATOR)
|
424
|
{
|
425
|
if (annotation.User.Id != userId)
|
426
|
{
|
427
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throw new UnauthorizedAccessException($"User {userId} does not have assigned annotation {annotationId}");
|
428
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}
|
429
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}
|
430
|
|
431
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annotation.State = done ? EState.DONE : EState.IN_PROGRESS;
|
432
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context.SaveChanges();
|
433
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}
|
434
|
|
435
|
public Guid CreateFinalAnnotation(Guid documentId, Guid userId)
|
436
|
{
|
437
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var document = context.Documents.Single(d => d.Id == documentId);
|
438
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var user = context.Users.Single(u => u.Id == userId);
|
439
|
|
440
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// Remove existing
|
441
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if (context.FinalAnnotations.Any(fa => fa.Document == document))
|
442
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{
|
443
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var finalAnnotationOld = context.FinalAnnotations.Single(fa => fa.Document == document);
|
444
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context.FinalAnnotations.Remove(finalAnnotationOld);
|
445
|
}
|
446
|
|
447
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var annotations = context.Annotations
|
448
|
.Include(a => a.Document)
|
449
|
.Where(a => a.Document == document && a.State == EState.DONE)
|
450
|
.ToList();
|
451
|
|
452
|
var finalAnnotation = new FinalAnnotation()
|
453
|
{
|
454
|
Id = Guid.NewGuid(),
|
455
|
DateAssigned = DateTime.Now,
|
456
|
DateLastChanged = DateTime.Now,
|
457
|
Document = document,
|
458
|
User = user,
|
459
|
UserAssigned = user,
|
460
|
Annotations = annotations,
|
461
|
State = EState.NEW
|
462
|
};
|
463
|
|
464
|
List<AnnotationTag> annotationTagsAll = new();
|
465
|
foreach (var annotation in annotations)
|
466
|
{
|
467
|
annotationTagsAll.AddRange(context.AnnotationTags
|
468
|
.Where(at => at.Annotation == annotation)
|
469
|
.Include(at => at.Tag)
|
470
|
.Include(at => at.SubTag)
|
471
|
.Include(at => at.Annotation)
|
472
|
.ThenInclude(a => a.User)
|
473
|
.ToList());
|
474
|
}
|
475
|
annotationTagsAll = annotationTagsAll.OrderBy(at => at.Position).ToList();
|
476
|
|
477
|
Dictionary<Guid, List<AnnotationTag>> occurenceDict = new();
|
478
|
foreach (var annotationTag in annotationTagsAll)
|
479
|
{
|
480
|
if (occurenceDict.ContainsKey(annotationTag.Instance))
|
481
|
{
|
482
|
occurenceDict[annotationTag.Instance].Add(annotationTag);
|
483
|
}
|
484
|
else
|
485
|
{
|
486
|
occurenceDict[annotationTag.Instance] = new();
|
487
|
occurenceDict[annotationTag.Instance].Add(annotationTag);
|
488
|
}
|
489
|
}
|
490
|
|
491
|
List<List<AnnotationTag>> occurenceLists = new();
|
492
|
foreach (var key in occurenceDict.Keys)
|
493
|
{
|
494
|
occurenceLists.Add(occurenceDict[key]);
|
495
|
}
|
496
|
|
497
|
List<List<AnnotationTag>> annotationTagsProcessed = new();
|
498
|
List<FinalAnnotationTag> finalAnnotationTags = new();
|
499
|
for (int i = 0; i < occurenceLists.Count; i++)
|
500
|
{
|
501
|
var occurrenceList1 = occurenceLists[i];
|
502
|
List<List<AnnotationTag>> sameLists = new();
|
503
|
|
504
|
for (int j = 0; j < occurenceLists.Count; j++)
|
505
|
{
|
506
|
var occurrenceList2 = occurenceLists[j];
|
507
|
|
508
|
if (annotationTagsProcessed.Contains(occurrenceList2))
|
509
|
{
|
510
|
continue;
|
511
|
}
|
512
|
|
513
|
if (SelectionsAreSame(occurrenceList1, occurrenceList2))
|
514
|
{
|
515
|
sameLists.Add(occurrenceList2);
|
516
|
}
|
517
|
}
|
518
|
|
519
|
// This means that this occurrence ahs already been processed as matching a previous tag
|
520
|
if (sameLists.Count() == 0)
|
521
|
{
|
522
|
continue;
|
523
|
}
|
524
|
|
525
|
List<User> relatedUsers = new();
|
526
|
foreach (var list in sameLists)
|
527
|
{
|
528
|
relatedUsers.Add(list[0].Annotation.User);
|
529
|
}
|
530
|
|
531
|
foreach (var tag in sameLists[0])
|
532
|
{
|
533
|
finalAnnotationTags.Add(new()
|
534
|
{
|
535
|
Id = Guid.NewGuid(),
|
536
|
Tag = tag.Tag,
|
537
|
SubTag = tag.SubTag,
|
538
|
Annotation = finalAnnotation,
|
539
|
SelectedText = tag.SelectedText,
|
540
|
Sentiment = tag.Sentiment,
|
541
|
Instance = tag.Instance,
|
542
|
IsFinal = sameLists.Count == annotations.Count,
|
543
|
Length = tag.Length,
|
544
|
Position = tag.Position,
|
545
|
Note = "",
|
546
|
Users = relatedUsers
|
547
|
});
|
548
|
}
|
549
|
|
550
|
annotationTagsProcessed.AddRange(sameLists);
|
551
|
}
|
552
|
|
553
|
context.FinalAnnotations.Add(finalAnnotation);
|
554
|
context.SaveChanges();
|
555
|
context.FinalAnnotationTags.AddRange(finalAnnotationTags);
|
556
|
|
557
|
context.SaveChanges();
|
558
|
return finalAnnotation.Id;
|
559
|
}
|
560
|
|
561
|
private bool SelectionsAreSame(List<AnnotationTag> list1, List<AnnotationTag> list2)
|
562
|
{
|
563
|
if (list1.Count != list2.Count)
|
564
|
{
|
565
|
return false;
|
566
|
}
|
567
|
|
568
|
bool sentimentEnabled = list1[0].Tag.SentimentEnabled;
|
569
|
|
570
|
if (sentimentEnabled)
|
571
|
{
|
572
|
for (int i = 0; i < list1.Count; i++)
|
573
|
{
|
574
|
var tag1 = list1[i];
|
575
|
var tag2 = list2[i];
|
576
|
if (tag1.Position == tag2.Position &&
|
577
|
tag1.Length == tag2.Length &&
|
578
|
tag1.Sentiment == tag2.Sentiment &&
|
579
|
tag1.Tag == tag2.Tag &&
|
580
|
tag1.SubTag == tag2.SubTag)
|
581
|
{
|
582
|
continue;
|
583
|
}
|
584
|
else
|
585
|
{
|
586
|
return false;
|
587
|
}
|
588
|
}
|
589
|
}
|
590
|
else
|
591
|
{
|
592
|
for (int i = 0; i < list1.Count; i++)
|
593
|
{
|
594
|
var tag1 = list1[i];
|
595
|
var tag2 = list2[i];
|
596
|
if (tag1.Position == tag2.Position &&
|
597
|
tag1.Length == tag2.Length &&
|
598
|
tag1.Tag == tag2.Tag &&
|
599
|
tag1.SubTag == tag2.SubTag)
|
600
|
{
|
601
|
continue;
|
602
|
}
|
603
|
else
|
604
|
{
|
605
|
return false;
|
606
|
}
|
607
|
}
|
608
|
}
|
609
|
|
610
|
return true;
|
611
|
}
|
612
|
}
|
613
|
}
|