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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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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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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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}
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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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// 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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DocumentText = documentContent.Content,
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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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};
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var tags = context.AnnotationTags.Where(at => at.Annotation.Id == annotationId)
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.Include(at => at.Tag).ThenInclude(t => t.Category)
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.Include(at => at.SubTag)
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.ToList();
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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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annotationInfo.TagInstances.Add(tagInstance);
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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("<!DOCTYPE html>");
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}
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}
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}
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